Extraction of carotenoids from natural sources

Details Extraction of carotenoids from natural sources Extraction of carotenoids from natural sources

C - Chemistry, Metallurgy

07

C

C07C 403/24 (2006.01) C07C 7/10 (2006.01) C07C 11/21 (2006.01) C09B 61/00 (2006.01)

Patent

CA 2108016

2108016 9218471 PCTABS00016 A carotenoid-enriched fraction is extracted from natural sources, such as carrots, by (i) separating the carotenoid-containing natural source into a carotenoid-containing liquid fraction and a pulp fraction, (ii) adding a carotenoid precipitation agent including calcium chloride, calcium hydroxide, calcium lactate or calcium glyconate to the liquid fraction to form a carotenoid-enriched solid precipitate, and (iii) separating the carotenoid-enriched solid precipitate from the carotenoid-depleted liquid portion.

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