2007•Chemical and Pharmaceutical BulletinOpen access

Medicinal Flowers. XI. Structures of New Dammarane-Type Triterpene Diglycosides with Hydroperoxide Group from Flower Buds of Panax ginseng

Masayuki Yoshikawa, Sachiko Sugimoto, Seikou Nakamura, Hisashi Matsuda

Abstract

Six new dammarane-type triterpene diglycosides with a hydroperoxide group, floralginsenosides A, B, C, D, E, and F, were isolated from ginseng flower, the flower buds of Panax ginseng C. A. MEYER, together with seven known dammarane-type triterpene oligoglycosides. The structures of new floralginsenosides were elucidated on the basis of chemical and physicochemical evidence.

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Key concepts: Dammarane, Triterpene, Ginseng, Chemistry, Araliaceae, Saponin, Ginsenoside, Glycoside