β-Carotene is an organic, strongly colored red-orangepigment abundant in plants and fruits. It is a memberof the carotenes, which are terpenoids, synthesizedbiochemically from eight isoprene units and thushaving 40 carbons. Among the carotenes, β-caroteneis distinguished by having beta-rings at both ends ofthe molecule. β-Carotene is biosynthesized fromgeranylgeranyl pyrophosphate.
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