Astaxanthin is a kind of carotenoid with potent antioxidant activity and tinting strength widelyused in food, medicine, cosmetics and feed industries. Shrimp shell is an important resource ofnatural astaxanthin. Astaxanthin was extracted and purified from Antarctic krill shells to achieve thecomprehensive utilization ofAntarctic krill.
Firstly, pretreatment methods were explored. The effects of crushing, drying, acidolysis andenzymatic treatment on extraction rate of carotenoids were studied. The result...