vitamin P

vi·ta·min P

a 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 vitamin

Farlex Partner Medical Dictionary © Farlex 2012

vitamin P

n.

A water-soluble vitamin, found as a crystalline substance especially in citrus juices, that functions as a bioflavonoid in promoting capillary resistance to hemorrhaging.

The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

vitamin P

(1) Citrin, a mixture of bioflavinoids derived from citrus fruits. 
(2) Bioflavonoid.

Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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.

Medical Dictionary for the Dental Professions © Farlex 2012