A new myricetin-rhamnodiglucoside from Camellia sinensis.

The isolation and structural elucidation of the novel myricetin-3-O-[beta-D-glucopyranosyl-(1 --> 3)-alpha-L-rhamnopyranosyl-(1 --> 6)-beta-D-glucopyranoside] from tea (Camellia sinensis (L.) O. Kuntze) by means of HPLC-MS/MS and various NMR techniques is described.