Astaxanthin, 3,3'-dihydroxy-4,4'-dione-β,β'-carotene, is a strong antioxidant, and its oxidative activity is 10 times more thanβ-carotene, and 500 times greater than vitamin E, so it is called“super vitamin E”. In addition, it also has anti-tumor and immunity enhancement activities. In aquaculture, it can be used in food additives and other industries.
Currently, astaxanthin are mainly produced from processing wastes of the crustaceans and chemical synthesis. In this paper, the author investigated the ...