Method for separating the toxic resinous fraction from prepared

Details Method for separating the toxic resinous fraction from prepared Method for separating the toxic resinous fraction from prepared

1995-11-17

1997-09-30

Paden, Carolyn

Food or edible material: processes, compositions, and products

Processes

Extraction utilizing liquid as extracting medium

426478, 426486, 554 12, 554 14, A23L 1211

Patent

active

056723717

ABSTRACT:
The resinous fraction comprising toxic p-coumaric acid derivatives is extracted from jojoba press-cake by means of an apolar mixture of solvents which mixture is a selective eluter for said p-coumaric acid derivatives. Particularly the extraction is performed with a mixture of acetone and hexane comprising up to 70 vol. % acetone or with a mixture of methyl ethyl ketone and hexane comprising up to 80 vol. % methyl ethyl ketone.

REFERENCES:
patent: 4148928 (1979-04-01), Sodini
patent: 4387110 (1983-06-01), Emmi
patent: 4548755 (1985-10-01), Stahl
patent: 5290959 (1994-03-01), Rice
patent: 5516923 (1996-05-01), Hebert
patent: 5525746 (1996-06-01), Franke
"Detoxified and Debittered Jojoba Meal: Biological Evaluation and Physical-Chemical Characterization", Medina et al., Cereal Chemistry, Sep./Oct. 1990, vol. 67, No. 5, pp. 476-479.
"Comparison of Alternative Solvents for Oils Extraction", Johnson et al., JAOCS, Feb. 1983, vol. 60, No. 2, pp. 229-242.

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