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for invention","granted":true,"earliest_filing_date":"2004-06-14","grant_date":"2009-11-04","anticipated_term_date":"2024-06-14","has_disclaimer":false,"patent_status":"ACTIVE","publication_count":2,"has_spc":false,"has_grant_event":true,"has_entry_into_national_phase":false},"abstract":{"en":[{"text":"A method for the reduction of acrylamide in food products, food products having reduced levels of acrylamide, and an article of commerce. In one aspect, the method comprises reducing the level of reducing sugar in a food material before final heating (e.g., cooking). In another aspect, the method comprises adding to a food material an enzyme capable of reducing the level of reducing sugar. In yet another aspect, an article of commerce communicates to the consumer that a food product has reduced or low levels of acrylamide or reducing sugar.","lang":"en","source":"DOCDB_NATIONAL_OFFICE","data_format":"DOCDBA"}]},"abstract_lang":["en"],"has_abstract":true,"claim":{"en":[{"text":"A method for reducing the level of acrylamide in a food material, comprising reducing the level of reducing sugar in the food material before heating, \nwherein reducing the level of reducing sugar in the food product comprises adding a reducing sugar-altering enzyme to the food material; and \nwherein said reducing sugar enzyme comprises aldose reductase.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"A method for reducing the level of acrylamide in food, comprising;\n (1) adding a reducing sugar-altering enzyme to a food material wherein said reducing sugar enzyme comprises aldose reductase wherein said food material comprises reducing sugar; \n (2) optionally mixing the enzyme with the food material; \n (3) allowing a sufficient time for the enzyme to react with the reducing sugar; \n (4) optionally deactivating or optionally removing the enzyme; and \n (5) heating the food material to form the finished food product.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The method of claim 3, wherein the level of acrylamide in the finished food product is reduced by at least about 10%.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The method of claim 4, wherein the level of acrylamide in the finished food product is reduced by at least about 30%.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The method of claim 5, wherein the level of acrylamide in the finished food product is reduced by at least about 50%.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The method of claim 6, wherein the level of acrylamide in the finished food product is reduced by at least about 70%.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The method of claim 7, wherein the level of acrylamide in the finished food product is reduced by at least about 90%.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"}],"de":[{"text":"Verfahren zum Reduzieren des Gehalts an Acrylamid in einem Lebensmittelmaterial, umfassend das Reduzieren des Gehalts an reduzierendem Zucker in dem Lebensmittelmaterial vor dem Erwärmen, wobei das Reduzieren des Gehalts an reduzierendem Zucker in dem Lebensmittelprodukt das Zugeben eines Enzyms, das reduzierenden Zucker verändert, zu dem Lebensmittelmaterial umfasst und wobei das Enzym für reduzierenden Zucker Aldosereduktase umfasst.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Verfahren zum Reduzieren des Gehalts an Acrylamid in Lebensmittel, umfassend:\n (1) Zugeben eines Enzyms, das reduzierenden Zucker verändert, zu einem Lebensmittelmaterial, wobei das Enzym für reduzierenden Zucker Aldosereduktase umfasst und wobei das Lebensmittelmaterial reduzierenden Zucker umfasst; \n (2) wahlweise Mischen des Enzyms mit dem Lebensmittelmaterial; \n (3) Gewähren einer ausreichenden Zeit, damit dass Enzym mit dem reduzierenden Zucker reagieren kann; \n (4) wahlweise Deaktivieren oder wahlweise Entfernen des Enzyms; und \n (5) Erwärmen des Lebensmittelmaterials, um das fertige Lebensmittelprodukt zu bilden.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Verfahren nach Anspruch 3, wobei der Gehalt an Acrylamid in dem fertigen Lebensmittelprodukt um mindestens ungefähr 10 % reduziert wird.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Verfahren nach Anspruch 4, wobei der Gehalt an Acrylamid in dem fertigen Lebensmittelprodukt um mindestens ungefähr 30 % reduziert wird.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Verfahren nach Anspruch 5, wobei der Gehalt an Acrylamid in dem fertigen Lebensmittelprodukt um mindestens ungefähr 50 % reduziert wird.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Verfahren nach Anspruch 6, wobei der Gehalt an Acrylamid in dem fertigen Lebensmittelprodukt um mindestens ungefähr 70 % reduziert wird.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Verfahren nach Anspruch 7, wobei der Gehalt an Acrylamid in dem fertigen Lebensmittelprodukt um mindestens ungefähr 90 % reduziert wird.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"}],"fr":[{"text":"Procédé pour réduire le taux d'acrylamide dans un produit alimentaire, comprenant la réduction du taux de sucre réducteur dans le produit alimentaire avant chauffage, dans lequel la réduction du taux de sucre réducteur dans le produit alimentaire comprend l'ajout d'une enzyme modifiant les sucres réducteurs au produit alimentaire, et dans lequel ladite enzyme des sucres réducteurs comprend de l'aldose réductase.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Procédé pour réduire le taux d'acrylamide dans un produit alimentaire, comprenant :\n (1) ajouter une enzyme modifiant les sucres réducteurs à un produit alimentaire, où ladite enzyme des sucres réducteurs comprend de l'aldose réductase et, dans lequel ledit produit alimentaire comprend un sucre réducteur ; \n (2) facultativement mélanger l'enzyme au produit alimentaire ; \n (3) laisser un temps suffisant pour permettre à l'enzyme de réagir avec le sucre réducteur ; \n (4) facultativement désactiver ou facultativement retirer enzyme ; et \n (5) chauffer le produit alimentaire de façon à former le produit alimentaire fini.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Procédé selon la revendication 3, dans lequel le taux d'acrylamide dans le produit alimentaire fini est réduit d'au moins environ 10 %.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Procédé selon la revendication 4, dans lequel le taux d'acrylamide dans le produit alimentaire fini est réduit d'au moins environ 30 %.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Procédé selon la revendication 5, dans lequel le taux d'acrylamide dans le produit alimentaire fini est réduit d'au moins environ 50 %.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Procédé selon la revendication 6, dans lequel le taux d'acrylamide dans le produit alimentaire fini est réduit d'au moins environ 70 %.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Procédé selon la revendication 7, dans lequel le taux d'acrylamide dans le produit alimentaire fini est réduit d'au moins environ 90 %.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"}]},"claim_lang":["en","de","fr"],"has_claim":true,"description":{"en":{"text":"FIELD OF INVENTION The present invention relates to the reduction of acrylamide in food products. The invention may be used in the manufacture of an article of commerce. BACKGROUND OF THE INVENTION Since the dawn of civilization, carbohydrate-containing foods have been a staple in man's diet. Today, carbohydrate-containing foods such as breads, breakfast cereals, biscuits, crackers, cookies, French fries, cooked starchy vegetables, taco shells, and snack foods are popularly consumed. Although such foods have been part of the human diet for countless years, researchers have only recently discovered that many of these foods contain acrylamide. In April 2002, the Swedish National Food Administration and researchers from Stockholm University announced their fmdings that acrylamide, a potentially cancer-causing chemical, is formed in many types of cooked foods. Acrylamide has a carcinogenic potency in rats that is similar to that of other carcinogens in food, but for humans, the relative potency in food is not known. Only limited human population data are available for acrylamide and these provide no evidence of cancer risk from occupational exposure. ( FAO/WHO Consultation on the Health Implications of Acrylamide in Food: Summary Report; Geneva, Switzerland, 25-27 June 2002 .) Although further research is needed to assess what health effects, if any, may result from human consumption of acrylamide at the levels commonly found in such foods, many consumers have voiced concern. Accordingly, it is an object of the present invention to provide a method for reducing the level of acrylamide in foods. It is also an object of the present invention to provide food products having reduced levels of acrylamide. Further, it is an object of the present invention to provide an article of commerce that communicates to the consumer that a food product has reduced or low levels of acrylamide. SUMMARY OF THE INVENTION In one aspect, the present invention provides a method for reducing the level of acrylamide in a food product as defined by the claims. In one embodiment, the method comprises adding a reducing sugar-altering enzyme to the food material before heating, wherein said reducing sugar-altering enzyme comprises aldose reductase. The citation of any document is not to be construed as an admission that it is prior art with respect to the present invention. BRIEF DESCRIPTION OF THE DRAWINGS \n Figure 1. Figure 1 sets forth the proposed reaction mechanism by which acrylamide forms from asparagine and a carbonyl source (such as glucose). R 1 and R 2 can = H, CH 3 , CH 2 OH, CH 2 (CH 2 ) n CH 3 , or any other component making up a reducing sugar; n can be any integer less than 10. DETAILED DESCRIPTION OF THE INVENTION Applicants have discovered that foods containing reducing sugars and asparagine, a naturally occurring amino acid found in virtually all living systems, can form acrylamide when heated. Thus, foods richer in reducing sugars, when heated, tend to contain higher levels of acrylamide; this is especially the case when reducing sugar-containing foods are heated in the presence of foods containing higher levels of asparagine. Formation of acrylamide has also been found to be higher when foods are cooked to a lower final moisture content. While not being limited by theory, it is believed that acrylamide forms in food products via the reaction mechanism set forth in Figure 1 . It is believed that the alpha-amine group of free asparagine reacts with a carbonyl source, forming a Schiff base. Under heat, the Schiff base adduct decarboxylates, forming a product that can either: (1) hydrolyze to form beta-alanine amide (which can, under heat, further degrade to form acrylamide) or (2) decompose to form acrylamide and the corresponding imine. (Applicants have discovered that the circled precursor atoms comprise the carbons and nitrogens in acrylamide.) Accordingly, Applicants have further discovered that acrylamide formation in heated foods can be reduced by converting the reducing sugar in the food to another substance before cooking. When such foods containing reduced levels of reducing sugar are heated, the amount of acrylamide formed is reduced. Furthermore, Applicants have found that reducing the level of acrylamide in the finished food product can be accomplished by adding an enzyme that alters the reducing sugar (\"reducing sugar-altering enzyme\"). According to the invention, the reducing sugar-altering enzyme catalyzes the reduction of the reducing sugar prior to heating (e.g., cooking) the food, wherein said enzyme comprises aldose reductase. The mechanism by which reducing sugars are oxidized or reduced by enzymes are well known. The advantages of using enzymes in food processing are numerous. These advantages include: (a) they are natural, nontoxic substances; (b) they generally catalyze a given reaction without causing unwanted side reactions; (c) they are active under very mild conditions of temperature and pH; (d) they are active at low concentrations; (e) the rate of reaction can be controlled by adjusting temperature, pH, and the amount of enzyme employed; and (f) they can be inactivated after the reaction has proceeded to the desired extent. ( Food Chemistry, 4th Ed., Owen R. Fennema, Ed., Marcel Dekker, Inc., New York, 1985, pp. 427, 433 .) A. Method for Reduction of Acrylamide in Food Products In one aspect, the present invention provides a method as defined by the claims for the reduction of acrylamide in a food product, said method comprising reducing the level of reducing sugar in a food material before final heating (e.g., cooking) by adding to a food material an enzyme capable of catalyzing the reduction of the carbonyl group of reducing sugar, wherein said enzyme comprises aldose reductase. As used herein, the term \"reducing sugar\" refers to any carbohydrate found in food materials that can contribute a carbonyl group when reacting with asparagine to form acrylamide. In a preferred embodiment, the present invention provides a method for reducing the level of acrylamide in food, comprising:\n (1) adding a reducing sugar-altering enzyme to a food material, wherein said food material comprises reducing sugar, wherein said enzyme comprises aldose reductase; (2) optionally mixing the enzyme with the food material; (3) allowing a sufficient time for the enzyme to react with the reducing sugar; (4) optionally deactivating or optionally removing the enzyme; and (5) heating the food material to form the finished food product. 1. Adding a reducing sugar-altering enzyme to a food material, wherein said food material comprises reducing sugar The reducing sugar-altering enzyme is an enzyme capable of catalyzing the reduction of the carbonyl group of the reducing sugar. As used herein, \"reducing sugar enzyme\" or \"reducing sugar-altering enzyme\" or \"enzyme\" includes any enzyme capable of reducing the level of one or more reducing sugar in a food product. Reducing sugar-altering enzyme can include two classes of enzymes: oxidases and reductases, which catalyze either the oxidation or reduction of reducing sugars, respectively. The methods of the present invention require aldose reductase. The enzyme may be added to the food material in any suitable form. For instance, the enzyme may be added as a powder or in the form of a solution. Furthermore, the enzyme may be added to the food material in any suitable manner, such as directly (for example, sprinkled, poured, or sprayed on the food material) or indirectly. In one embodiment, the enzyme is admixed with a food that does not contain reducing sugar, then the resulting mixture is added to the reducing sugar-containing food. In another embodiment, at least a portion of the reducing sugar is extracted from the food material, the resulting extract is treated with the enzyme, then at least a portion of the extract is added back into at least a portion of the food material; for example, the enzyme may be added to the stream, or the stream may be pumped through a bed or column of immobilized enzyme (enzyme either adsorbed or chemically bonded to a substrate, preferably an inert substrate, e.g., pieces of plastic or beads in a column). As used herein, \"adding\" the enzyme to the food material includes, but is not limited to, any means of bringing the reducing sugar and the enzyme together. The reducing enzyme aldose reductase, is used to convert the reducing sugar to the reduced species. The use of a reductase is preferred because the resulting enzymatic product is a sugar that retains its sweetness. The enzyme can be added to the food material at any suitable stage of the method. For example, the enzyme may be added with the other ingredients during the mixing of a dough. As used herein, \"food material\" includes any type of reducing sugar-containing food, food product, food ingredient, or mixtures thereof, including any edible material used in the preparation of food. The food material can be in any suitable form, including raw or pre-treated. Suitable methods of pre-treating the food material include, but are not limited to, blanching, steaming, boiling, chopping, macerating, comminuting, reducing the particle size, drying with heat, and combinations thereof. For example, enzyme can be added to a food material before, during, or after maceration. In one embodiment, the food material is soaked in water before the enzyme is added. Enzymes are marketed by units of activity, rather than by weight or volume. Thus, the effective amount of enzyme required to achieve the desired level of acrylamide reduction in the finished food product will depend upon the activity of the particular enzyme product used. The amount of enzyme to add can depend upon the level of reducing sugar reduction, and accordingly the level of acrylamide reduction, that is desired. The amount of enzyme to add can also depend upon the amount of reducing sugar present in the food material; food materials higher in reducing sugar will generally require increased levels of enzyme or increased reaction time to achieve the same level of acrylamide reduction. The amount of enzyme to add can also depend upon the particular enzyme used (for example, the particular enzyme's ability to degrade reducing sugar) and the particular food material treated. One skilled in the art will be able to determine the effective amount of enzyme based upon the specific food material, the specific enzyme, the enzyme's specific activity, and the desired result. 2. Optionally mixing the enzyme with the food material Optionally but preferably, the enzyme is thoroughly mixed with the food material. Any suitable method of mixing can be used. In one embodiment, mixing is carried out simultaneously with the maceration of the food material and the addition of the enzyme. 3. Allowing sufficient time for the enzyme to react with the reducing sugar The amount of time needed for the enzyme to react with the reducing sugar will depend upon factors including, but not limited to, the desired level of acrylamide reduction, the characteristics of the particular food material (e.g., chemical composition, amount of reducing sugar present, particle size), and the particular enzyme added. Preferably, the enzyme is allowed to react for a sufficient amount of time to result in a food material wherein the level of reducing sugar has been reduced by at least about 10%, preferably at least about 30%, more preferably at least about 50%, still more preferably at least about 70%, and even more preferably at least about 90%. In general, the longer the enzyme is allowed to react, the greater the level of reducing sugar reduction and thus the greater the level of acrylamide reduction. The step of allowing a sufficient time for the enzyme to react can be carried out in any suitable manner; for example, it can be carried out simultaneously with adding the enzyme to the food material, mixing the enzyme with the food material, or combinations thereof. As known in the art, pH and temperature are factors that affect enzymatic activity. One skilled in the art should readily be able to determine optimal conditions of these and other parameters (e.g., water content). In addition, optimal pH and temperature conditions for specific enzymes are typically available in the literature and/or from enzyme suppliers. 4. Optionally deactivating or optionally removing the enzyme After the enzyme has reacted to the desired extent, it can optionally be inactivated or removed from the food material. When an enzyme that is safe for consumption (e.g., naturally occurring and found in common foods) is used, one may choose not to deactivate or remove the enzyme. Alternatively, the enzyme can be deactivated by any suitable means that inactivates the enzyme. For example, the enzyme can be deactivated through the use of heat, pH adjustment, treatment with a protease, or combinations thereof. Furthermore, the enzyme can be removed from the food material by any suitable means including, but not limited to, extraction. The enzyme can be deactivated, removed, or subjected to a combination of deactivation and removal. 5. Heating the food material to form the finished food product The food material can then be heated in the usual manner, such as by baking, frying, extruding, drying (e.g., via vacuum oven or drum dryer) puffing, or microwaving. At least a portion of the enzyme may be added to the food material during the heating step. Deactivating the enzyme may occur through heating, thus the optional deactivation step and the cooking step may be carried out simultaneously. Heat processing via cooking can denature and inactivate the enzyme such that the food material is not subjected to continuing enzymatic activity. Furthermore, at least a portion of the time allowed for enzymatic reaction may be carried out during the heating step. As used herein the term \"finished food product\" or \"food product\" includes, but is not limited to, foods ready for consumption and foods to be used as ingredients to prepare other foods. Preferably, the level of acrylamide in the finished food product is reduced by at least about 10%, preferably at least about 30%, more preferably at least about 50%, still more preferably at least about 70%, and even more preferably at least about 90%. B. Means of Practicing the Method The present invention can be practiced by any suitable means. For example, the method herein can be practiced in batch, semi-batch, or continuous mode. C. Food Products Having Reduced Levels of Acrylamide Food products prepared according to the method herein can have a reduction in the acrylamide level of at least about 10%, preferably at least about 30%, more preferably at least about 50%, still more preferably at least about 70%, and even more preferably at least about 90%. The method herein can be applied to the production of any suitable food product, including but not limited to carbohydrate-containing foods, especially low-moisture foods (e.g., less than about 10%), that are heated during preparation. For instance, the method can be used to reduce the level of acrylamide found in mashed potatoes, potato chips, fabricated snack foods, French fries, breakfast cereals, breads, cookies, crackers, toaster pastries, pizza crust, pretzels, hash browns, tater tots, corn tortillas, and taco shells. In one embodiment, fried fabricated potato crisps have less than about 400 ppb acrylamide, preferably less than about 300 ppb, more preferably less than about 200 ppb, still more preferably less than about 50 ppb, and most preferably less than about 10 ppb. In yet another embodiment, French fries made from cut potatoes have less than about 40 ppb acrylamide, preferably less than about 30 ppb, more preferably less than about 20 ppb, and most preferably less than about 10 ppb. In a particular embodiment, potato chips made according to the method herein can have less than about 150 ppb acrylamide, preferably less than about 100 ppb, more preferably less than about 50 ppb, even more preferably less than about 10 ppb, and most preferably less than about 5 ppb. In still another embodiment, tortilla chips and corn chips have less than about 75 ppb acrylamide, preferably less than about 50 ppb, and more preferably less than about 10 ppb. Although the method herein will generally be described in terms of preferred potato food products and tortilla chips, it should be understood by one skilled in the art that the method herein can be applied to any suitable food product. Examples include crackers, breads (e.g., rye, wheat, oat, potato, white, whole grain products, mixed flours, loaves, twists, buns, rolls, pitas, matzos, foccoccia, melba toast, zwieback, croutons, soft pretzels, soft and hard bread sticks, heat and serves), toaster pastries, cookies, danish, croissant, tarts, pie crusts, pastries, muffins, brownies, sheet cakes, donuts, snack foods (e.g., pretzels, tortilla chips, corn chips, potato chips, fabricated snacks, fabricated potato crisps, extruded snacks, extruded filled snacks, trail mix, granola, snack mixes, shoe-string potatoes), flours, mixes (e.g., cake mixes, biscuit mixes, brownie mixes, bread mixes, pancake mixes, crepe mixes, batter mixes, pizza dough), refrigerated doughs (e.g., biscuits, breads, bread sticks, croissants, dinner rolls, pizza dough, cookies, danish, brownies, pie crust), frozen foods (pie crusts, pies, tarts, turnovers, pizzas, food pockets, cakes, French fries, hash browns, breaded products such as chicken and fish, breaded vegetables), bagels, breakfast cereals, biscuits, French fries, vegetables (e.g., dried, grilled, roasted, broiled, fried, vacuum dried), taco shells, hash browns, mashed potatoes, toast, grilled sandwiches, flour and corn tortillas, crepes, pancakes, waffles, batters, pizza crust, rice, nut-based foods (e.g, peanut butter, foods containing chopped nuts), fruit (e.g., dried, grilled, roasted, broiled, fried, vacuum dried, jellies, baked, pie fillings, flambés, raisins), hush puppies, alcoholic beverages (e.g., beers and ales), products comprising roasted cocoa beans (e.g., chocolates, confectionary coatings, hot chocolate, hot chocolate mixes), and animal foods (e.g., dog food, cat food, ferret food, guinea pig food, rabbit food, rat food, mouse food, chicken food, turkey food, pig food, horse food, goat food, sheep food, monkey food, fish food). 1. Dehydrated Potato Products The present invention can be used to make dehydrated potato products having reduced levels of acrylamide. The following sets forth a preferred method of making such dehydrated potato products, but the present invention is not limited to this particular embodiment. Although the embodiment set forth in detail below describes addition of enzyme before the cooked potatoes are comminuted, it should be understood that enzyme may be added at any suitable stage of any suitable process for making dehydrated potato products. For instance, enzyme may be added to the potatoes before cooking, after cooking, before comminution, after comminution, or during any other suitable processing step before the final dehydrated potato product is formed. Furthermore, examples of other embodiments may comprise: (a) adding enzyme to raw potato followed by conventional dehydrated potato processing, (b) adding enzyme to raw potato followed by shredding or thinly slicing and conventional processing, (c) adding enzyme to raw potato followed by shredding or thinly slicing, then blanching, then followed by conventional processing, (d) adding enzyme to blanched, shredded, or thinly sliced potato followed by conventional processing, or (e) any other suitable means of adding enzyme. The method herein may also be practiced with any suitable method for making dehydrated potato products known in the art, such as those set forth in Potato Processing, 4th Ed., Talburt and Smith, Eds., AVI Books, Van Nostrand Reinhold Co., New York, 1987, [hereinafter \"Potato Processing\"], at pp. 535-646 . In a preferred embodiment, dehydrated potato products, such as potato flakes, flanules, or granules, can be made in accordance with the following method. In general, the method comprises: (1) cooking potatoes; (2) adding a reducing sugar-altering enzyme to the cooked potatoes; (3) forming a wet mash; and (4) drying the mash to form dehydrated potato products. Any suitable potatoes, such as those used to prepare conventional potato flakes, flanules, or granules, can be used to prepare the dehydrated potato products herein. Preferably, the dehydrated potato products are prepared from potatoes such as, but not limited, to Norchip, Norgold, Russet Burbank, Lady Rosetta, Norkotah, Sebago, Bintje, Aurora, Saturna, Kinnebec, Idaho Russet, Altura, Russet Norkotah, Atlantic, Shepody, Asterix, and Mentor. The potatoes are subjected to cooking to soften them for mashing. The potatoes may be peeled, partially peeled, or unpeeled. The potatoes may be whole or may be sliced into pieces of any size before cooking. The cooking procedure can be any thermal or other type of cooking process that softens the potatoes for mashing. For instance, the potatoes may be cooked by submersion in water or steam. For example, potato slices having an average thickness of about 3/8 inch (0.95 cm) to about 1/2 inch (1.27 cm) are typically cooked with steam having a temperature of from about 200°F (93°C) to about 250°F (121°C) from about 12 to about 45 minutes, more particularly from about 14 to about 18 minutes. Shoestring cut potatoes pieces are typically cooked with steam having a temperature of from about 200°F (93°C) to about 250°F (121°C) for about 7 to about 18 minutes, more particularly from about 9 to about 12 minutes, to achieve the desired softness. Next, an effective amount of aldose reductase enzyme is added to the cooked potatoes. Depending upon the functional temperature range of the enzyme used, the cooked potatoes may first require temperature adjustment before addition of the enzyme. The cooked potatoes are then comminuted to produce a wet mash. Comminution of the cooked potatoes may be accomplished by any suitable means, such as but not limited to ricing, mashing, shredding, or a combination thereof. Optional ingredients can be added and mixed into the wet mash. Such optional ingredients can include starch. Starch can include, but is not limited to, any suitable native or modified starch, including any dried potato products that are added into or back into the mash. Emulsifier can also optionally be added to the wet mash as a processing aid. After the mash is formed, it can be further dried and processed as described below to form dehydrated potato products. Alternatively, the wet mash can be used to produce products such as, but not limited to, mashed potatoes, potato patties, potato pancakes, and potato snacks such as extruded French fries, potato sticks, and snack chips. For example, the wet potato mash can be used to produce extruded French fried potato products such as those described in U.S. Patent No. 3,085,020, issued April 9, 1963 to Backinger et al. After forming the mash, the mash is dried to form dehydrated potato products. These dehydrated potato products can be in any form, such as but not limited to flakes, flanules, granules, agglomerates, sheets, pieces, bits, flour, or particulates. Any suitable procedure, such as those known in the art, for producing such dehydrated potato products from a mash may be employed, and any suitable equipment may be used. For example, the mash can be dried to produce flakes according to known processes such as those described in U.S. Patent No. 6,066,353, issued May 23, 2000 to Villagran, et al. , as well as those processes described in U.S. Patent Nos. 2,759,832 issued August 19, 1956 to Cording et al. , and 2,780,552 issued February 5, 1957 to Willard et al. The mash can be dried to make flanules according to the process set forth in U.S. Patent No. 6,287,622, issued September 11, 2001 to Villagran et al. Granules can be produced by processing the mash according to the process described in U.S. Patent No. 3,917,866, issued November 4, 1975 to Purves et al. , or by other known processes such as that described in U.S. Patent No. 2,490,431 issued December 6, 1949 to Greene et al. Suitable dryers can be selected from those well known drying devices including but not limited to fluidized bed dryers, scraped wall heat exchangers, drum dryers, freeze-dryers, air lift dryers, and the like. Preferred drying methods include those that reduce the amount of total thermal input. For example, freeze drying, drum drying, resonant or pulse flow drying, infrared drying, or a combination thereof is preferred when producing flakes; and air lift drying, fluidized bed drying, or a combination thereof is preferred when producing granules. Although the dehydrated potato products herein will be primarily described in terms of flakes, it should be readily apparent to one skilled in the art that the potato mash of the present invention can be dehydrated to produce any desired dehydrated potato product that can be derived from a mash. Drum drying, such as with drum driers commonly used in the potato product industry, is the preferred method for drying the potato mash to form flakes. The preferred process utilizes a single drum drier wherein the wet potato mash is spread onto the drum in a thin sheet having a thickness of from about 0.005\" (0.13 mm) to about 0.1\" (2.5 mm), preferably from about 0.005\" (0.13 mm) to about 0.05\" (1.3 mm), more preferably about 0.01\" (0.25 mm). Typically, when a drum dryer is used, the mash is fed to the top surface of the drum by a conveying means. Small diameter unheated rolls progressively apply fresh potato mash to portions already on the drum, thus building up a sheet, or layer, having a predetermined thickness. The peripheral speed of the small rolls is the same as that of the drum. After the layer of mash travels around a portion of the circumference of the drum, a doctor knife removes the dried sheet by peeling the dried sheet away from the drum. Typically, the drum dryer itself is heated to temperatures in a range of from about 250°F (121°C) to about 375°F (191°C), preferably from about 310°F (154°C) to about 350°F (177°C), and more preferably from about 320°F (160°C) to about 333°F (167°C) by pressurized steam contained within the drum at pressures of from about 70 psig (4.8 bar) to about 140 psig (9.6 bar). For best results, the rotational speed of the dryer drum and the internal temperature thereof are uitably controlled so as to give a final product having a moisture content of from about 5% to about 14%, preferably from about 5% to about 12%. Typically, a rotational speed of from about 9 sec/rev to about 25 sec/rev., preferably about 11 sec/rev to about 20 sec/rev, is sufficient. Once the wet mash is sheeted and dried, the resulting dried sheet of flakes can then be broken into smaller sections if desired. These smaller sections can be of any desired size. Any method of breaking the sheet that minimizes starch and potato cell damage, such as fracturing, grinding, breaking, cutting, or pulverizing, can be used. For example, the sheet can be comminuted with an Urschel Comitrol™, manufactured by Urschel Laboratories, Inc. of Valparaiso, Indiana, to break up the sheet. Alternatively, the sheet of flakes can be left intact. As used herein, both the intact sheet of flakes and smaller sheet sections are included in the term \"potato flakes.\" 2. Foods Made from Dehydrated Potato Products The dehydrated potato products can be used to make any suitable food product. An especially preferred use of the dehydrated potato products is in the production of fabricated snacks made from a dough, preferably fabricated chips. Examples of such fabricated chips include those described in U.S. Patent No. 3,998,975 issued December 21, 1976 to Liepa , U.S. Patent No. 5,464,642 issued November 7, 1995 to Villagran et al. , U.S. Patent No. 5,464,643 issued November 7, 1995 to Lodge , and WO 96/01572 published January 25, 1996 by Dawes et al. In one embodiment, the fabricated snack is made by the method comprising:\n (1) adding a reducing sugar-altering enzyme to a dough, wherein said enzyme comprises aldose reductase; (2) forming a snack piece from the dough; and (3) cooking the snack piece to form a fabricated snack. \nCooking can be performed by any suitable method, for instance by frying, baking, or a combination of frying or baking. Furthermore, the forming and cooking steps can be carried out simultaneously, such as with extruded snack products. In another embodiment, the fabricated snack is made by the method comprising:\n (1) blending dry ingredients; (2) optionally adding emulsifier to dry ingredients; (3) adding water; (4) mixing to form a dough; (5) forming a dough sheet; (6) forming a snack piece from the dough sheet; and (7) cooking the snack piece to form a fabricated snack. \nEnzyme can be added at any suitable stage of the process, for instance enzyme may be added during the blending, optionally adding emulsifier, adding water, mixing, and/or forming steps. Alternatively, the enzyme can be applied, preferably as a solution, to the dough surface; this can occur either before or after the snack pieces are formed from the dough sheet. In one embodiment, the enzyme solution is added to the surface of the dough sheet. The enzyme comprises aldose reductase. The dehydrated potato products can also be rehydrated and used to produce food products such as mashed potatoes, potato patties, potato pancakes, and other potato snacks such as extruded French fries and potato sticks. For example, dehydrated potato products can be used to produce extruded French fried potato products such as those described in U.S. Patent No. 3,085,020, issued April 9, 1963 to Backinger et al. , and U.S. Patent No. 3,987,210, issued October 18, 1976 to Cremer . The dehydrated potato products can also be used in breads, gravies, sauces, baby food, or any other suitable food product. 3. Potato Chips The present invention can be used to make potato chips having reduced levels of acrylamide. The following sets forth a preferred method of making such potato chip products, but the present invention is not limited to this particular embodiment. For example, enzyme may be added at any suitable processing stage of art-recognized potato-chipping methods, such as those set forth in Potato Processing , at pp. 371-489. In a preferred embodiment, the present invention provides a method for reducing the level of acrylamide in potato chips, comprising:\n (1) optionally peeling potatoes; (2) optionally washing potatoes; (3) slicing potatoes to form potato slices; (4) optionally rinsing the potato slices; (5) optionally blanching the potato slices; (6) optionally cooling the potato slices; (7) adding a reducing sugar-altering enzyme to the potato slices wherein said enzyme comprises aldose reductase; (8) optionally drying the potato slices; (9) frying the potato slices to form potato chips. Most preferably, the potato slices are blanched before the enzyme is added. Although the foregoing describes addition of enzyme at step (7) above, it should be understood that enzyme may be added at any suitable stage of the process. For instance, enzyme may be added to the potatoes before slicing, after slicing, after rinsing, during blanching, during cooling, or at any other suitable stage before drying, if the optional drying step is performed, or at any other suitable stage before frying if the potato slices are not optionally dried. In another embodiment, potato slice blanching and soaking solutions containing reducing sugar are pumped through a column containing immobilized enzyme. The effluent from the column is returned to the potato slices. The potato slices are then processed according to typical processing procedures. Practicing the method in this manner can return at least part of the native potato flavors back to the chip that may be lost during the blanching and enzyme treatment steps. Potato chips made according to the method herein can have less than about 150 ppb acrylamide, preferably less than about 100 ppb, more preferably less than about 50 ppb, even more preferably less than about 10 ppb, and most preferably less than about 5 ppb. 4. French Fries The present invention can be used to make French fries having reduced levels of acrylamide. The following sets forth a preferred method of making such French fries, but the present invention is not limited to this particular embodiment. For example, enzyme may be added at any suitable processing stage of art-recognized methods for making French fries, such as those set forth in Potato Processing , at pp. 491-534, or those methods described in U.S. Patent Nos. 6,001,411 and 6,013,296 . In a preferred embodiment, the present invention provides a method for reducing the level of acrylamide in French-fries, comprising:\n (1) optionally peeling potatoes; (2) optionally washing potatoes; (3) cutting potatoes to form potato strips; (4) optionally rinsing the potato strips; (5) optionally blanching the potato strips; (6) optionally cooling the potato strips; (7) adding a reducing sugar-altering enzyme to the potato strips wherein said reducing sugar-altering enzyme comprises aldose reductase; (8) optionally drying the potato strips; (9) optionally coating the potato strips; and (10) par-frying the potato strips to form par-fries. The par-fries can then be frozen, packaged, and stored for later frying to form the final French fries. Most preferably, the potato strips are blanched before the enzyme is added. If coated French fries are desired, a suitable coating material, such as starch or a blend of materials comprising one or more starches, can be used to coat the potato strips before par-fiying. Although the foregoing describes addition of enzyme at step (7) above, it should be understood that enzyme may be added at any suitable stage of the process. For instance, enzyme may be added to the potatoes before cutting, after cutting, after rinsing, during blanching, during cooling, or at any other suitable stage before drying, if the optional drying step is performed, or at any other suitable stage before par-frying if the potato strips are not optionally dried. Although less preferred, enzyme may be added between the steps of par-frying and final frying to form the final French fries. Finished French-fries made from the par-fries of the present invention can have less than about 40 ppb acrylamide, preferably less than about 30 ppb, more preferably less than about 20 ppb, and most preferably less than about 10 ppb. 5. Tortilla Chips Tortilla chips are particularly popular consumer snack products. Tortilla chips are traditionally made from whole kernel corn that has been cooked in a hot lime solution for about 5 to about 50 minutes, then steeped overnight. The cooking-steeping process softens the outer hull and partially gelatinizes the starch in the endosperm of the corn. This cooked-steeped corn, called \"nixtamal,\" is then washed to remove the outer hull and ground to form a plastic dough, known as \"masa,\" that contains about 50% moisture. The freshly-ground masa is sheeted, cut into snack pieces, and baked for about 15 to about 30 seconds at a temperature of from about 575°F to about 600°F (302°C to 316°C) to reduce the moisture content to from about 20% to about 35%. The baked snack pieces are then fried in hot oil to form tortilla chips having a moisture content of less than about 3%. See, e.g., U.S. Patent No. 2,905,559, issued November 1, 1958 to Anderson et al. , U.S. Patent No. 3,690,895, issued September 12, 1972 to Amadon et al. , and Corn: Chemistry and Technology, American Association of Cereal Chemists, Stanley A. Watson, et. al., Ed., pp. 410-420 (1987 ). Tortilla chips can also be made from dried masa flour. In typical processes for making such dried masa flour, such as those described in U.S. Patent No. 2,704,257 issued March 1, 1955, to de Sollano et al. , and U.S. Patent No. 3,369,908, issued February 20, 1968 to Gonzales et al. , the lime-treated corn is ground and dehydrated to a stable form. The dried masa flour can be later rehydrated with water to form a masa dough that is then used to produce tortilla chips, such as those described in WO 01/91581, published December 6, 2001, by Zimmerman et al. In one embodiment, a tortilla chip made from masa is made by the method comprising:\n (1) adding a reducing sugar-altering enzyme to a dough comprising masa, wherein said enzyme comprises aldose reductase; (2) forming a snack piece from the dough; and (3) cooking the snack piece to form a tortilla chip. In another embodiment, a tortilla chip made from nixtamal is made by the method comprising:\n (1) adding a reducing sugar-altering enzyme to nixtamal, wherein said enzyme comprises aldose reductase; (2) forming a snack piece from the nixtamal; and (3) cooking the snack piece to form a tortilla chip. \nEnzyme can be added at any suitable stage of the process. In one embodiment, the enzyme solution is added to the surface of the dough sheet. Cooking can be performed by any suitable method, for instance by frying, baking, or a combination of frying or baking. Furthermore, the forming and cooking steps can be carried out simultaneously, such as by extrusion. In one another embodiment, the tortilla chips comprise less than about 75 ppb acrylamide, preferably less than about 50 ppb, and more preferably less than about 10 ppb. In another embodiment, corn chips made by the method herein comprise less than about 75 ppb acrylamide, preferably less than about 50 ppb, and more preferably less than about 10 ppb. D. Article of Commerce The present invention may be used in the manufacture of an article of commerce comprising:\n (a) a food product, wherein said food product has a reduced level of acrylamide; (b) a container for containing the food product; and (c) a message associated with the container. \nThe message informs the user that the food product contains a reduced level of acrylamide. The message can be printed material attached directly or indirectly to the container, attached directly or indirectly near the container, or alternatively can be a printed, electronic, or broadcast message associated with the food product or with the container. The food product having reduced levels of acrylamide is provided in a container having a message associated therewith. Any container from which the food product can be dispensed, presented, displayed, or stored is suitable. Suitable containers include, but are not limited to, bags, canisters, boxes, bowls, plates, tubs, and cans. The message informs the consumer that the food product contains a reduced level of acrylamide. The message can be printed material attached directly or indirectly to the container, attached directly or indirectly near the container, or alternatively can be a printed, electronic, or broadcast message associated with the food product or with the container. Suitable messages include, but are not limited to, messages that communicate \"reduced\" or \"low\" levels of acrylamide, messages that communicate that less than a specified amount of acrylamide is present (e.g., less than 5 ppb), and messages that communicate that the food product meets or exceeds a suggested or mandatory level (e.g., regulatory threshold or signal level). The message might also inform the consumer that the food product is made with an ingredient or ingredients with reduced or low levels of reducing sugar. ANALYTICAL METHODS Parameters used to characterize elements of the present invention are quantified by particular analytical methods. These methods are described in detail as follows. 1. Acrylamide Method for Measuring Acrylamide (AA) in Food Products Summary Food products are spiked with 1- 13 C-acrylamide ( 13 C-AA) and extracted with hot water. The aqueous supernatant is extracted three times with ethyl acetate, and the ethyl acetate extracts are combined and concentrated and analyzed by LC/MS with selected ion monitoring for specific detection of AA and 13 C-AA. Extraction of Sample \n 1. Weigh 6.00 ± 0.01 g of sample into a 125-mL Erlenmeyer flask. Note: Place the sample into a food processor and pulse for 30 seconds so that the particle size is about 1/8 inch or less. If the sample is too small to be effectively ground in a food processor, place the sample in a new plastic bag (e.g., Whirl-Pak™ or equivalent) and pulverize with a rubber mallet until the particle size is 1/8 inch or less. 2. Add 120 µL of 100 ng/µL 13 C-AA in de-ionized distilled water (ISTD 2), with an adjustable 1000-µL pipette (calibrated), directly onto the sample. 3. Using a dispenser, add 40 mL of de-ionized distilled water to the flask and cover with foil. 4. Place into a 65°C water bath for 30 min. 5. With a dispenser, add 10 mL of ethylene dichloride to the flask, and homogenize with a Tekmar Tissumizer™ (SDT-1810) or Ultra-Tuffax ® (T18 Basic) for 30 seconds, or until uniform. Rinse the probe into the flask with deionized distilled water. 6. Place 25 g of the homogenate into an 8-dram vial 7. Tightly cap the tube and centrifuge for 30 minutes at 2500-5200 RPM. 8. Transfer 8 g of supernatant to another 8-dram vial being careful to avoid solid particles. 9. Add 10 mL of ethyl acetate with a dispenser, cap, and vortex for 10 seconds. 10. Allow any emulsion to break up; help by swirling or shaking once or twice and then allowing layers to split. 11. Transfer as much of the top layer (ethyl acetate) as possible to a scintillation vial, without transferring any liquid (water) from the interface. Extract twice more with 5-mL portions of ethyl acetate and add to the same scintillation vial. Then, add approximately 2 g of anhydrous sodium sulfate. 12. Concentrate the extract with a gentle stream of nitrogen in a 60-65°C water bath to about 1 mL. Transfer the extract to a Pierce REACTI-VIAL™ or equivalent conical-shaped glass vial and further concentrate the extract to a final volume of approximately 100-200 µL. Place this extract into an autosampler vial with a conical sleeve. Preparation of Standards Stock Solutions and Internal Standards \n TABLE-tabl0001 Solution Weight Volumetric Flask Solvent Concentration (ppm) Stock 1 0.1000 g Acrylamide (AA) 100-mL Ethyl Acetate 1000 ISTD 1 0.0100g 13 C-Acrylamide 100-mL Ethyl Acetate 100 Stock 2 0.1000 g Acrylamide (AA) 100-mL Deionized Distilled Water 1000 ISTD 2 0.0100g 13 C-Acrylamide 100-mL Deionized Distilled Water 100 Intermediate Standards \n TABLE-tabl0002 Solution Volume Stock 1 AA Volumetric Flask Solvent Concentration (ppm) (µL) (mL) INT 1 100 10 Ethyl Acetate 10 INT 2 1000 10 Ethyl Acetate 100 Calibration Standards \n TABLE-tabl0003 Standard Volume INT 1 ( µ L) Volume INT 2 ( µ L) Volume ISTD 1 ( µ L) Volumetric Flask (mL) Solvent Cone. AA (ppm) Cone. ISTD 1 (ppm) 0 0 0 450 10 Ethyl Acetate 0 4.50 0.25 250 0 450 10 Ethyl Acetate 0.250 4.50 0.75 750 0 450 10 Ethyl Acetate 0.750 4.50 1.5 0 150 450 10 Ethyl Acetate 1.50 4.50 3.0 0 300 450 10 Ethyl Acetate 3.00 4.50 5.0 0 500 450 10 Ethyl Acetate 5.00 4.50 Homogenizer Cleaning Procedure Use this cleaning procedure between every sample.\n 1. Fill a 1-L Erlenmeyer flask with hot tap water (≈80% full) and add a drop of Dawn™ dishwashing liquid (available from the Procter & Gamble Co.) or equivalent. 2. Insert the dispersing element probe into the water as far as possible. 3. Homogenize the solution for about 10-15 seconds. 4. Empty the cleaning solution from the Erlenmeyer; rinse and refill the flask with hot tap water. 5. Homogenize again for about 10-15 seconds. 6. Empty the flask and refill with hot tap water; homogenize again for about 10-15 seconds. 7. If the water is not clear and free of particulates, continue homogenizing clean hot tap water as many times as necessary to achieve this condition. 8. When the hot tap water is clear and free of particulates, rinse the probe with deionized distilled water. Analysis by LC/MS \n TABLE-tabl0004 Samples are analyzed using a Waters 2690 LC interfaced to a Micromass LCZ mass spectrometer. Mobile Phase 100% H 2 O, 10 mM NH 4 Ac, adjusted to pH 4.6 w/ formic acid Column 2.0 mm x 150 mm, YMC C18 AQ (available from Waters Corp.) Flow rate 0.2 mL/min Interface Direct (no split) Injection volume 5 µL MS ionization mode Electrospray, positive ion mode MS detection mode Selected ion monitoring: m/z 72 (AA), m/z 73 ( 13 C-AA); dwell times: 0.5 s Data Analysis Response ratios (area of AA peak/area of 13 C-AA peak) are plotted against the corresponding concentration ratios for a series of five standards in ethyl acetate. All standards contain 4.5 µg/mL 13 C-AA, and AA concentrations ranging from 0 to 5 µg/mL. Linear regression results in a calibration curve from which concentration ratios in extracts are determined from measured response ratios. When this concentration ratio is multiplied by the accurately known 13 C-AA level (nominally 2 ppm) added to sample in step two of the extraction procedure, the level of AA in ppm results. Sample Calculation for LC/MS: The calibration curve is generated by plotting the response ratio (area m/z 72 / area m/z 73) on the y axis vs. the concentration ratio ([AA] / [13C-AA]) on the x-axis. For this example, the equation of that line is y = 0.899x + 0.0123. \nMeasured area of AA peak (m/z 72) at 4.0 min: 100,000 \nMeasured area of 13C-AA peak (m/z 73) at 4.0 min: 500,000 \nResponse ratio R r = 0.200. From the slope and intercept of the calibration curve, the concentration ratio R c is calculated: R c = (0.200 - 0.0123) / 0.899 = 0.209 Given the spike level of 13C-AA in the sample (2 ppm), the measured level of AA is 0.209 x 2 ppm = 0.418 ppm Quality Assurance/Quality Control (QA/QC) \n 1. All balances used in the preparation of standards and/or samples, must have their calibrations checked weekly with a set of qualified weights. The balances should be checked with at least three weights covering the range of sample/standard weights to be measured. 2. A six-point calibration curve should be performed daily. 3. A working reference material (WRM) should be analyzed with each set of samples. The concentration of this material should be within 2σ of the running mean. If it is not, the instrument should be recalibrated and the WRM recalculated. 2. % Reduction of Acrylamide The control sample is prepared in exactly the same manner as the enzyme-treated sample, with the exception that enzyme is not added.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"}},"description_lang":["en"],"has_description":true,"has_docdb":true,"has_inpadoc":true,"has_full_text":true,"biblio_lang":"en"},"jurisdiction":"EP","collections":[],"usersTags":[],"lensId":"022-685-522-869-348","publicationKey":"EP_1641353_B1","displayKey":"EP 1641353 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PATENT OFFICE","inventorModel":{"inventors":[{"name":{"value":"HOWIE JOHN KEENEY","valueNormalised":"Howie John Keeney"},"inventorship":null},{"name":{"value":"LIN PETER YAU TAK","valueNormalised":"Lin Peter Yau Tak"},"inventorship":null},{"name":{"value":"ZYZAK DAVID VINCENT","valueNormalised":"Zyzak David Vincent"},"inventorship":null},{"name":{"value":"SCHAFERMEYER RICHARD GERALD","valueNormalised":"Schafermeyer Richard Gerald"},"inventorship":null}],"inventorships":[],"unmatchedInventorships":[],"activeUserHasInventorship":false},"simpleFamilyId":187802250,"citesPatentCount":4,"countrySpec":{"countryName":"EUROPEAN PATENT OFFICE","description":"PATENT SPECIFICATION","rule":"","docType":"GRANTED_PATENT"},"pageTitle":"EP 1641353 B1 - Method For Reducing Acrylamide In Foods Comprising Reducing The Level Of Reducing Sugars","documentTitle":"Method For Reducing Acrylamide In Foods Comprising Reducing The Level Of Reducing Sugars"},"claims":{"source":"xml_claims","claims":[{"lines":["A method for reducing the level of acrylamide in a food material, comprising reducing the level of reducing sugar in the food material before heating, wherein reducing the level of reducing sugar in the food product comprises adding a reducing sugar-altering enzyme to the food material; and wherein said reducing sugar enzyme comprises aldose reductase."],"number":1,"annotation":false,"title":false,"claim":true},{"lines":["A method for reducing the level of acrylamide in food, comprising;
(1) adding a reducing sugar-altering enzyme to a food material wherein said reducing sugar enzyme comprises aldose reductase wherein said food material comprises reducing sugar;
(2) optionally mixing the enzyme with the food material;
(3) allowing a sufficient time for the enzyme to react with the reducing sugar;
(4) optionally deactivating or optionally removing the enzyme; and
(5) heating the food material to form the finished food product."],"number":2,"annotation":false,"title":false,"claim":true},{"lines":["The method of claim 3, wherein the level of acrylamide in the finished food product is reduced by at least about 10%."],"number":3,"annotation":false,"title":false,"claim":true},{"lines":["The method of claim 4, wherein the level of acrylamide in the finished food product is reduced by at least about 30%."],"number":4,"annotation":false,"title":false,"claim":true},{"lines":["The method of claim 5, wherein the level of acrylamide in the finished food product is reduced by at least about 50%."],"number":5,"annotation":false,"title":false,"claim":true},{"lines":["The method of claim 6, wherein the level of acrylamide in the finished food product is reduced by at least about 70%."],"number":6,"annotation":false,"title":false,"claim":true},{"lines":["The method of claim 7, wherein the level of acrylamide in the finished food product is reduced by at least about 90%."],"number":7,"annotation":false,"title":false,"claim":true}]}},"filters":{"npl":[],"notNpl":[],"applicant":[],"notApplicant":[],"inventor":[],"notInventor":[],"owner":[],"notOwner":[],"tags":[],"dates":[],"types":[],"notTypes":[],"j":[],"notJ":[],"fj":[],"notFj":[],"classIpcr":[],"notClassIpcr":[],"classNat":[],"notClassNat":[],"classCpc":[],"notClassCpc":[],"so":[],"notSo":[],"sat":[]},"sequenceFilters":{"s":"SEQIDNO","d":"ASCENDING","p":0,"n":10,"sp":[],"si":[],"len":[],"t":[],"loc":[]}}