Abstract: Gallic acid, (+)catechin, (-)epicatechin, (-)gallocatechin, (-)epigallocatechin, (-)epicatechin 3-0-gallate, (-)epigallocatechin3-0-gallate, theogallin, 1,4,6-tri-O-galloyl-/?-D-glucose, l-0-galloyl-4,6-(-)-hexahydroxydiphenoyl-j8-D-glucose and caffine together a mixture crystal ofrutin and kaempferol-3-rutinoside were isolated from ^ecological tea". This is first detailed chemical report for a kind of green tea prepared by the leaves of Camellia sinensis var. assamica cultivated in the south of Yunnan, China.

Key words: Camellia sinensis var. assamica