Process for the extraction of carotenes from natural sources

Chemistry of hydrocarbon compounds – Alicyclic compound synthesis – Carotene or derivative

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585240, 585803, 585833, 585864, 585866, C07C40300, C07C 710

Patent

active

057146586

ABSTRACT:
For the extraction of carotenes, in particular of .beta.-carotene, from natural sources, these are stirred for several hours at at least 30.degree. C. in a solvent mixture composed of acetic esters of C.sub.1 -C.sub.4 alcohols as well as a portion of 1 to 25% by weight of an oil of biological origin. The natural colorant is in this way obtained in very high space-time yields and high purity.

REFERENCES:
patent: 4439629 (1984-03-01), Ruegg
patent: 5019668 (1991-05-01), Keat et al.
patent: 5246722 (1993-09-01), Kunst et al.
patent: 5310554 (1994-05-01), Haigh
patent: 5378369 (1995-01-01), Rose et al.

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