Doc Type: Patent Application

Extraction Method

Abstract

There is disclosed a method for treating a source of azadirachtin: (a) dissolving said sample in an organic polar solvent; (b) combining the solution of step (a) with an organic non-polar solvent to form a single phase containing the said solvents and dissolved sample; (c) treating said single phase of step (b) with an aqueous salt solution to form an aqueous phase and a phase containing the organic non-polar solvent; and (d) recovering one or other or both of the aqueous phase and the phase containing the organic polar solvent.


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Document History
  • Publication: Apr 25, 2002
  • Application: Oct 15, 2001
    WO GB 0104590 W
  • Priority: Oct 16, 2000
    GB GB 0025313 A

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