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The α-carotene molecule has a β-ring at one end; the other end is called an ε-ring. There is no such thing as an "α-ring". These and similar names for the ends of the carotenoid molecules form the basis of a systematic naming scheme, according to which: α-carotene is β,ε-carotene; β-carotene is β,β-carotene;
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 ...
A 2018 meta-analysis found that both dietary and circulating α-carotene are associated with a lower risk of all-cause mortality.The highest circulating α-carotene category, compared to the lowest, correlated with a 32% reduction in the risk of all-cause mortality, while increased dietary α-carotene intake was linked to a 21% decrease in the risk of all-cause mortality.
Alpha-carotene – color; Beta-carotene – color; Gamma-carotene – color; Carrageenan – thickener, vegetable gum, stabilizer, gelling agent, emulsifier; Carrot oil – Cashew oil – somewhat comparable to olive oil. May have value for fighting dental cavities. [2] Cassia – Catechu extract – Celery salt – Celery seed –
Alpha-carotene - found in carrots, winter squash, tomatoes, green beans, cilantro, Swiss chard; Astaxanthin - found naturally in red algae and animals higher in the marine food chain. It is a red pigment familiarly recognized in crustacean shells and salmon flesh/roe.
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 .
α-Zeacarotene (alpha-zeacarotene) is a form of carotene with a β-ionone ring at one end and a ζ-ionone ring at the opposite end. It is an intermediate in the biosynthesis of various carotenoids and plays a crucial role in the metabolic pathway leading to the production of lycopene and other important carotenoids.
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