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β-Carotene (beta-carotene) is an organic, strongly colored red-orange pigment abundant in fungi, [7] plants, and fruits. It is a member of the carotenes , which are terpenoids (isoprenoids), synthesized biochemically from eight isoprene units and thus having 40 carbons .
This is a list of antioxidants naturally occurring in food. Vitamin C and vitamin E – which are ubiquitous among raw plant foods – are confirmed as dietary antioxidants, whereas vitamin A becomes an antioxidant following metabolism of provitamin A beta-carotene and cryptoxanthin.
Vitamin A occurs as two principal forms in foods: A) retinoids, found in animal-sourced foods, either as retinol or bound to a fatty acid to become a retinyl ester, and B) the carotenoids α-carotene (alpha-carotene), β-carotene, γ-carotene (gamma-carotene), and the xanthophyll beta-cryptoxanthin (all of which contain β-ionone rings) that ...
All fruits and vegetables are high in antioxidants and foods including beans, legumes, nuts and seeds are too. Related: 'I'm an Oncologist and This Is the Dinner I Swear By for Cancer Prevention'
α-Carotene is produced when the all-trans lycopene first undergoes reaction with epsilon-LCY then a second reaction with beta-LCY; whereas β-carotene is produced by two reactions with beta-LCY. α- and β-Carotene are the most common carotenoids in the plant photosystems but they can still be further converted into xanthophylls by using beta ...
Known dietary antioxidants are vitamins A, C, and E, but the term has also been applied to various compounds that exhibit antioxidant properties in vitro, with little evidence for antioxidant properties in vivo. [3] Dietary supplements marketed as antioxidants have not been shown to maintain health or prevent disease in humans. [3] [4]
The Basics of Losing Weight After 40. Losing weight can be challenging at the best of times. But after the big 4-0, a few more challenges pop up, making weight gain common and weight loss harder.
Quercetin is an antioxidant that may reduce your risk of certain diseases. We consulted research and registered dietitians to explain the benefits, how to add it to your diet, and the side effects ...