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β-Carotene is an organic compound and classified as a terpenoid. It is a strongly-coloured red-orange pigment abundant in plants and fruits. β-Carotene is also the substance ...

Beta-carotene is one of a group of red, orange, and yellow pigments called carotenoids. Beta-carotene and other carotenoids provide approximately 50% of the vitamin A needed in ...

β-keratin or beta-keratin (not to be confused with β-carotene) is rich in stacked β pleated sheets, in contrast to alpha-keratin, a fibrous protein rich in alpha helices.

The term carotene (also carotin) is used for several related hydrocarbon substances having the formula C 40 H x, which are synthesized by plants but cannot be made by animals.

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