provitamin

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provitamin

 [pro-vi´tah-min]
a substance, e.g., ergosterol, from which the animal organism can form a vitamin.

pro·vi·ta·min

(prō-vī'tă-min),
A substance that can be converted into a vitamin; for example, β-carotene.

provitamin

(prō-vī′tə-mĭn)
n.
A vitamin precursor that the body converts to its active form through normal metabolic processes. Carotene, for example, is a provitamin of vitamin A.

pro·vi·ta·min

(prō'vī'tă-min)
An inactive form of a vitamin that needs activation before it can be used by the body.

provitamin

A substance that is converted in the body to a VITAMIN.

pro·vi·ta·min

(prō'vī'tă-min)
An inactive form of a vitamin that needs activation before it can be used by the body.
References in periodicals archive ?
Tenders are invited for Provitamins, vitamins and hormones; glycosides and vegetable alkaloids and their derivatives; antibiotics under the Civil Code 21.10.5 016: 2010 (analgesics code 33661200-3 according YEZS DK 021: 2015), drugs
Lot 1 - provitamins, vitamins and their derivatives (21.10.51-00.00); Lot 2 - hormones, derivatives of these substances; other steroids that they are used primarily as hormones (21.10.52-00.00); Lot 3 - antibiotics (21.10.54-00.00).
Tenders are invited for 21.10.5 provitamins, vitamins and hormones; glycosides and vegetable alkaloids and their derivatives; antibiotics, two lots Lot number 1 - 21.10.54-00.00 Antibiotics lot number 2 - 21.10.54-00.00 Antibiotics