provitamin


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Related to provitamin: Prooxidant, provitamin A carotenoids

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

/pro·vi·ta·min/ (-vi´tah-min) a precursor of a vitamin.
provitamin A  usually β-carotene, sometimes including any of the provitamin A carotenoids.
provitamin D2  ergosterol.
provitamin D3  7-dehydrocholesterol.

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.

provitamin

[prōvī′təmin]
a precursor of a vitamin; a substance found in certain foods that in the body may be converted into a vitamin. Also called previtamin.

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.

provitamin

substance converted within the body forming 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.

provitamin (prōvī´təmin),

n a substance in food that may be transformed into a vitamin within the body; a potential vitamin.

provitamin

a substance, e.g. ergosterol, from which the animal organism can form a vitamin.

provitamin A
References in periodicals archive ?
300 grams X +15 mg/kg provitamin A carotenoids X 30% X 25% = +0.
Although it is a derivative of Vitamin B5, pathenol is considered a provitamin of pantothenic acid and alcohol.
Provitamin A enrichment in cassava maize and sweet potato ironenrichment in beans rice and wheat zincenrichment in beans rice and wheat showed that biofortification was very cost effective relative to supplementation and fortification.
6 times) the conversion of provitamin A to vitamin A.
The provitamin A was calculated according to the new conversion factor (IOM, 2001), in which 12 [micro]g of [beta]-carotene and 24 [micro]g of [alpha]-carotene, [alpha]-cryptoxanthin and [beta]-cryptoxanthin correspond to 1 RAE (retinol activity equivalent).
The micronutrient with provitamin A activity occurs naturally in carrots.
By combining colour, ProVitamin A activity and antioxidant properties, CaroCare Nat.
The soft lens, all-in-one solution, contains carnosine, an antioxidant that supports the natural defence mechanism of the cornea against harmful free radicals and Provitamin B5 (Dexpanthenol) which cares, supports and protects regeneration of damaged corneal cells.
Packing renowned ingredients like bioflavonoids, coenzyme Q10 (a special Retinol complex), hydrating sea minerals, provitamin B5, aloe vera, vitamins E and C, allantoin and other active extracts, the skin care line retails from $1.
The ten chapters cover phytoestrogens, fatty acids in functional foods, flavanoids, anthocyanins, carotenoids and provitamin A, chlorophyll, water-soluble vitamins, amino acid analysis, and carbohydrates and other electrochemically active compounds in functional foods.
A team of plant geneticists and crop scientists pioneers an economical approach to the selective breeding of corn that can boost levels of provitamin A, the precursors that are converted to vitamin A upon consumption.
It also sells a Revitalising Cream that contain ingredients more commonly found in the women's aisle, such as Coenzyme Q10, Vitamin E and Provitamin B5.