Catechin-7-O-glucoside

Catechin-7-O-glucoside is a flavan-3-ol glycoside formed from catechin.

Natural occurrences

Catechin-7-O-glucoside can be isolated from the hemolymph of the European pine sawfly. It also occurs in relatively large quantities in cowpea as the dominant flavan-3-ol monomer, and actually accounts for up to 70% of cowpea proanthocyanidins.
It can also be produced by biotransformation of -catechin by cultured cells of Eucalyptus perriniana.

Presence in natural traditional drugs

Catechin-7-O-glucoside can be found in paeoniae radix, the crude drug made from the roots of Chinese peony, in red knotweed, in the stem barks of the Nepali hog plum, in the Korean plum yew and in Huanarpo Macho. -Catechin 7-O-β-D-glucopyranoside is found in the bark of Rhaphiolepis umbellata.

Presence in food

It is found in buckwheat groats, in the red bean, in barley and malt. -Catechin 7-O-β-D-glucopyranoside is found in rhubarb.

Health effects

This compound has an antioxidant activity leading to a cytoprotective effect.