Geranin A is an

A type proanthocyanidin A type proanthocyanidins are a specific type of proanthocyanidins, which are a class of flavonoid. Proanthocyanidins fall under a wide range of names in the nutritional and scientific vernacular, including oligomeric proanthocyanidins, flavonoids ...

of the

propelargonidin Propelargonidins are a type of condensed tannins formed from epiafzelechin. They yield pelargonidin when depolymerized under oxidative conditions. Propelargonidins can be found in the rhizomes of the fern '' Drynaria fortunei'', in buckwheat (''Fa ...

sub type. Its structure is epi- afzelechin-(4β→8, 2β→O→7)-afzelechin. Geranins A and B can be found in ''

Geranium niveum ''Geranium niveum'' is a plant species in the genus '' Geranium''. It is a medicinal herb widely used by the Tarahumara Indians of Mexico. Geranin A (epi-afzelechin-(4β→8, 2β→O→7)-afzelechin), geranin B (epi-catechin-(4β→8, 2β→ ...

'' and show

antiprotozoal Antiprotozoal agents ( ATC code: ATC P01) is a class of pharmaceuticals used in treatment of protozoan infection. A paraphyletic group, protozoans have little in common with each other. For example, ''Entamoeba histolytica'', a unikont eukaryotic ...

activity.

References

Condensed tannin dimers {{aromatic-stub