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  2. Carotene - Wikipedia

    en.wikipedia.org/wiki/Carotene

    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;

  3. β-Carotene - Wikipedia

    en.wikipedia.org/wiki/Β-Carotene

    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 .

  4. Carotenoid - Wikipedia

    en.wikipedia.org/wiki/Carotenoid

    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 ...

  5. Lycopene - Wikipedia

    en.wikipedia.org/wiki/Lycopene

    In plants, algae, and other photosynthetic organisms, lycopene is an intermediate in the biosynthesis of many carotenoids, including beta-carotene, which is responsible for yellow, orange, or red pigmentation, photosynthesis, and photoprotection. [4] Like all carotenoids, lycopene is a tetraterpene. [4] It is soluble in fat, but insoluble in ...

  6. δ-Carotene - Wikipedia

    en.wikipedia.org/wiki/Δ-Carotene

    δ-Carotene (delta-carotene) or ε,ψ-carotene is a form of carotene with an ε-ring at one end, and the other uncyclized, labelled ψ . It is an intermediate synthesis product in some photosynthetic plants between lycopene and α-carotene (β,ε-carotene) or ε-carotene (ε,ε-carotene).

  7. The 40 Best Foods for Lowering Your Cholesterol, According to ...

    www.aol.com/40-best-foods-lowering-cholesterol...

    A study published in the Journal of Nutrition found that beta-carotene was associated with reductions in circulating plasma cholesterol—one of the strongest risk factors for cardiovascular disease.

  8. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

    www.aol.com/vitamins-expire-nutritionists-weigh...

    How can you tell if they’re safe past their expiration dates? Here, doctors explain how long most vitamins last and any risks associated with taking expired vitamins.

  9. Biological pigment - Wikipedia

    en.wikipedia.org/wiki/Biological_pigment

    These pigments in addition to chlorophylls, are phycobiliproteins, fucoxanthins, xanthophylls and carotenes, which serve to trap the energy of light and lead it to the primary pigment, which is responsible for initiating oxygenic photosynthesis reactions. Algal phototrophs such as dinoflagellates use peridinin as a light harvesting pigment.