Title: Study on application of papain in astaxanthin extraction from antarctic krill shell
Abstract: To explore a astaxanthin extraction process from hydrolyzing the antarctic krill shell by papain. Results through the optimization test the optimal acetone extraction conditions were sample/solution 1 ∶32 (g ∶mL ) , extraction temperature 39℃ ,extraction time 416min. And the optimal hydrolyzing conditions of papain were solid∶liquid 1∶113(g∶mL),E/S 6∶100,temperature 50℃ ,hydrolyzed time 185min,pH=5 by designing another optimization test. Under the experimental conditions ,the amount of the total carotenoids (astaxanthin ) was (350.709±12.060)μg in per gram dried krill shell. The amount was higher 53.214% than the amount of acetone direct extraction(228.902±6.761)μg/g.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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