[Tannic substances in the tea leaf in relation to the problem of improving the quality of tea].
D001578:Benzopyrans; D010636:Phenols; D013634:Tannins; D013662:Tea
D001578:Benzopyrans; D010636:Phenols; D013634:Tannins; D013662:Tea
PHENOLS; TANNIN; TEA
Dubii'nye veshchestva chaĭnogo lista v svîazi s problemoä povysheniîa kachestva chaîa.