Crossword Solver > found answer > PROVITAMIN

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provitamin

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The answer PROVITAMIN has 1 possible clue(s) in existing crosswords.

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The word PROVITAMIN is VALID in some board games. Check PROVITAMIN in word games in Scrabble, Words With Friends, see scores, anagrams etc.

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Definitions of provitamin in various dictionaries:

noun - vitamin precursor

A vitamin precursor that the body converts to its active form through normal metabolic processes.

PROVITAMIN - A provitamin is a substance that may be converted within the body to a vitamin. The term previtamin is a synonym. For example, "Provitamin B5" is a n...

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Possible Crossword Clues
Beta carotene, since it can become A

Last Seen in these Crosswords & Puzzles
Jul 7 2018 Newsday.com

Possible Dictionary Clues
A vitamin precursor that the body converts to its active form through normal metabolic processes. Carotene, for example, is a provitamin of vitamin A.
vitamin precursor a substance that is converted into a vitamin in animal tissues

Provitamin description
A provitamin is a substance that may be converted within the body to a vitamin. The term previtamin is a synonym. For example, "Provitamin B5" is a name for panthenol, which may be converted in the body to vitamin B5 (pantothenic acid). * The term "provitamin" is used when it is desirable to label a substance with little or no vitamin activity, but which can be converted to an active form by normal metabolic processes. For example, "provitamin A" is a name for -carotene, which has only about 1/6 the biological activity of retinol (vitamin A); the body uses an enzyme to convert -carotene to retinol. In other contexts, both -carotene and retinol are simply considered to be different forms (vitamers) of vitamin A. * Provitamin D2 is ergosterol, and provitamin D3 is 7-dehydrocholesterol. Menadione is a synthetic provitamin of vitamin K.

Provitamin description

A provitamin is a substance that may be converted within the body to a vitamin. The term previtamin is a synonym. For example, "Provitamin B5" is a name for panthenol, which may be converted in the body to vitamin B5 (pantothenic acid).
* The term "provitamin" is used when it is desirable to label a substance with little or no vitamin activity, but which can be converted to an active form by normal metabolic processes. For example, "provitamin A" is a name for -carotene, which has only about 1/6 the biological activity of retinol (vitamin A); the body uses an enzyme to convert -carotene to retinol. In other contexts, both -carotene and retinol are simply considered to be different forms (vitamers) of vitamin A.
* Provitamin D2 is ergosterol, and provitamin D3 is 7-dehydrocholesterol. Menadione is a synthetic provitamin of vitamin K.

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