Beta-carotene is a member of the carotenoid family, a group...
and lutein. However, of all the carotenoids, only alpha-carotene and beta-carotene are converted to significant amounts of vitamin A in the body, and beta-carotene is by far the Β -胡萝卜素是类胡萝卜素家庭的成员,也包括阿尔法胡萝卜素、番茄红素、玉米黄质和叶黄素的一个小组强有力的抗氧剂...