Provitamin
(redirected from provitamin D3)

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provitamin [prō′vīd·ə·mən]

(biochemistry)

A vitamin precursor; assumes vitamin activity upon activation or chemical change.

Provitamin

a biochemical precursor of a vitamin. Provitamin A (carotene), which is synthesized by plant cells, forms the A vitamins in animal cells. Ergosterol and its derivatives form the calciferols, the D vitamins.

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Provitamin (redirected from provitamin D3)

Provitamin
(redirected from provitamin D3)