beta carotene

noun Biochemistry.
the most abundant of various isomers of carotene, C 40 H 56 , that can be converted by the body to vitamin A.
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American Heritage
Medical Dictionary

beta carotene n.
An isomer of carotene.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Taking high doses of antioxidant vitamins, especially beta carotene, is harmful to smokers.
It is loaded with beta carotene and has a nutty flavor.
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