Two new flavonoids, compounds 1 and 2, together with seven known flavonoids, were isolated from Galium verum L. Their structures were elucidated as diosmetin 7-O-α-l-rhamnopyranosyl-(1-2)-[-d-xylopyranosyl-(1-6)]--d-glucopyranoside (1) and 3,5,7,3',4',3'',5'',7'',3''',4'''-decahydroxyl-[8-CH2-8'']-biflavone (2) by chemical methods and spectroscopic analyses. Compounds 3 and 4 were isolated from the genus Galium for the first time.
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Galium verum L;
Document Type: Research Article
School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, China
July 1, 2008