vitamin P


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Related to vitamin P: vitamin E

vitamin P

n.
A substance isolated from citrus rind that was thought to be a vitamin that reduced the permeability of capillaries. It was later determined to be a mixture of flavonoids.

vitamin P

n, pl P vitamins
(Biochemistry) any of a group of water-soluble crystalline substances occurring mainly in citrus fruits, blackcurrants, and rosehips: they regulate the permeability of the blood capillaries. Also called: citrin or bioflavonoid

bi•o•fla•vo•noid

(ˌbaɪ oʊˈfleɪ vəˌnɔɪd)

n.
any of a group of water-soluble yellow compounds, present in citrus fruits, rose hips, and other plants, that in mammals maintain the resistance of capillary walls to permeation and change of pressure. Also called vitamin P.
[1950–55]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.vitamin P - a vitamin that maintains the resistance of cell and capillary walls to permeation
water-soluble vitamin - any vitamin that is soluble in water
References in periodicals archive ?
Now an aesthetic treatment for facial spider veins and varicose veins is starting to gain some notice -- a cream containing the little known Vitamin P.
Vitamin P is part of the vitamin C Complex that includes rutin and citrus bioflavanoids.
In the course of doing this he discovered and dubbed the bioflavonoid substances vitamin P, for permeability.