Rutin , a natural citrus bioflavonoid, is extracted from the dry
buds of sophora japonical.
Rutin is a tasteless, yellow or greenish-yellow crystalline powder
than becomes plastic when heated between **5 degree and **2 degree
and dicomposed at **5 degree.
Rutin is practically insoluble in water while soluble in methanol
and ethanol. It is a naturally occcuring pigment.
Rutin is classified as vitamin P which increases the strength of
the walls of the blood capillaries and regulates their
permeability.Others classified as vitamin P are catechin , citrin,
eriodictin, hesperetin, hesperidin, nobiletin, quercetin,
sinensetin, and tangeretin.
