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Biflavone glucosides from Ginkgo biloba yellow leaves
Sook Kyung Hyun1, Sam Sik Kang, Kun Ho Son
1Faculty of Food Science and Biotechnology, Pukyong National University; Busan 608-737, Korea.
Chemical & Pharmaceutical Bulletin
|September 6, 2005
Abstract:
Phytochemical investigation of Ginkgo biloba (Ginkgoaceae) has resulted in the isolation of two new biflavone glucosides, ginkgetin 7''-O-beta-D-glucopyranoside (1) and isoginkgetin 7-O-beta-D-glucopyranoside (2). The structures were determined on the basis of chemical and spectroscopic evidences.
