
Keywords: Buckwheat; Orientin; Flavan-3-ol; Antioxidant activity; ABTS; 2,2â²-Azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt; DPPH; 2,2-diphenyl-1-picrylhydrazyl; ECg; (â)-epicatechin gallate; FRAP; ferric reducing antioxidant power; GAE; gal