Carotenoid pigments are of commercial interest as animal feed and play an important role in human metabolism. β-Carotene is important as provitamin A and lutein and zeaxanthin have to be constantly
文摘Carotenoid pigments are of commercial interest as animal feed and play an important role in human metabolism. β-Carotene is important as provitamin A and lutein and zeaxanthin have to be constantly