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vitamin P
vitamin Pn. 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] Thesaurus| Noun | 1.vitamin P - a vitamin that maintains the resistance of cell and capillary walls to permeationbioflavinoid, citrinwater-soluble vitamin - any vitamin that is soluble in water |
vitamin P
vitamin P[′vīd·ə·mən ¦pē] (biochemistry) A substance, such as citrin or one or more of its components, believed to be concerned with maintenance of the normal state of the walls of small blood vessels. vitamin P
vi·ta·min Pa mixture of bioflavonoids extracted from plants (especially citrus fruits). It reduces the permeability and fragility of capillaries and is useful in the treatment of certain cases of purpura that are resistant to vitamin C therapy.
See also: hesperidin, quercetin, rutin. Synonym(s): capillary permeability factor, citrin, permeability vitaminvitamin Pn. A water-soluble vitamin, found as a crystalline substance especially in citrus juices, that functions as a bioflavonoid in promoting capillary resistance to hemorrhaging.vitamin P (1) Citrin, a mixture of bioflavinoids derived from citrus fruits.
(2) Bioflavonoid.vi·ta·min P (vītă-min) Mixture of plant bioflavonoids (especially citrus fruits); reduces permeability and fragility of capillaries and is useful in treatment of some cases of purpura that are resistant to vitamin C therapy. vitamin P
Related to vitamin P: vitamin ESynonyms for vitamin Pnoun a vitamin that maintains the resistance of cell and capillary walls to permeationSynonymsRelated Words |