Extraction of carotenoproteins from crustacean wastes

Details Extraction of carotenoproteins from crustacean wastes Extraction of carotenoproteins from crustacean wastes

C - Chemistry, Metallurgy

12

S

99/30, 195/64, 5

C12S 3/14 (2006.01) A23K 1/10 (2006.01) A23K 1/16 (2006.01) C07K 14/435 (2006.01) C12P 23/00 (2006.01)

Patent

CA 1313835

ABSTRACT OF THE DISCLOSURE A process is provided for the extraction of carotenoproteins from crustacean wastes. The process comprises the steps of (a) homogenizing the crustacean waste in water to form a homogenizate; (b) treating the homogenizate with at least 0.1% w/w based on the crustacean waste of a proteolyte enzyme selected from the group consisting of animal-derived trypsin and a bacterial protease, at a temperature of 0°C to 50°C for from 1 to 24 hours; and (c) separating an aqueous solution of carotenoproteins therefrom, the carotenoproteins being substantially free of chitin and ash. Such carotenoproteins may be used as a tissue colorant feed supplement.

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