A New Flavonoid from Camellia sinensis Fermented Tea
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A new flavonoid, quercetin 3-0-α-L-rhamnopyranosyl-(l-6)-(2-E-p-coumaroyl)-D-D-glucopyranoside-4'-O-α-L-rhamnopyranoside, was isolated from the fermented tea of Camellia sinensis L. (Pu-erh tea) from China. The chemical structure was elucidated based on anal... ...
