Part one of term paper
Beta-carotene is a member of the carotenoid family and has over 500 relatives. Carotenoids are yellow-to-red pigments found in all green plant tissues and in some species of algae. So far 21 different carotenoids have been found in human blood. The most abundant ones are alpha-carotene, beta-carotene, lutein, lycopene, cryptoxanthin and zea ...

Part two of term paper
... but also, to some extent, act to break up the chain reactions involved in lipid peroxidation. Numerous studies have shown that people who consume a diet rich in dark yellow orange vegetables (carrots) and dark green vegetables (broccoli) are much less likely to develop cancer and heart disease. It has also been established that people with low levels of beta-carotene in their blood have a higher incidence of heart disease and cancer, particularly lung cancer. The National Cancer Institute endor ...