Tag: Provitamin A carotenoids such as α-carotene

Q1. _________ is a nonprovitamin A. α-Carotene β-carotene β-cryptoxanthin Lutein ANSWER: D. Lutein Explanation: Carotenoids are a group of more than 750 colors produced naturally by plants, algae, and photosynthetic microorganisms. The majority of the 40 to 50 carotenoids contained ...