Preparation of spice extract antioxidant in oil

Details Preparation of spice extract antioxidant in oil Preparation of spice extract antioxidant in oil

1992-02-18

1996-06-11

Geist, Gary

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

426429, 426253, 426481, 426488, 426542, 426654, 426655, C09K 1500

Patent

active

055252605

ABSTRACT:
An oil containing a spice extract which has antioxidant activity is prepared by mixing a spice extract contained in a polar solvent with an oil, evaporating the polar solvent from the mixture, adding a non-polar solvent to the mixture, to dilute the mixture and to precipitate constituents of the mixture, and stirring to obtain a homogenized non-polar solvent/extract/oil mixture, separating precipitate from that mixture and then evaporating the non-polar solvent phase to obtain an oil containing spice extract. The oil containing the spice extract may be mixed with further polar solvent containing the spice extract, after which the process is repeated to enrich the final oil product with spice extract.

REFERENCES:
patent: 3732111 (1973-05-01), Berner et al.
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patent: 4012531 (1977-03-01), Viani
patent: 4352746 (1982-10-01), Bracco et al.
patent: 4363823 (1982-12-01), Kimura et al.
patent: 4380506 (1983-04-01), Kimura et al.
patent: 4450097 (1984-05-01), Nakatani et al.
patent: 5026550 (1991-06-01), Aeschbach et al.
Translation of Kobayashi et al. Re: Japanese Application 58 208 383 (1983).
Derwent WPIL accession No. 84-015010 Re: Japanese Application 58 208 383.
European Search Report 91105128 (1991).

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