Abstract

AbstractChikusetsusaponin II and IVc, the minorsaponins of Panacis japonici rhizoma (rhizome of Panax japonicum C.A. MEYER) have been isolated. The structure of these saponins were established as being oleanolic acid‐(3)‐[β‐D‐glucopyranosyl (1→6)]‐β‐D‐glucuronopyranoside and 20S‐protopanaxatriol‐6‐(O‐α‐L‐rhamnopyranosyl (1→2)‐β‐D‐glucopyranoside]‐20‐O‐β‐D‐glucopyranoside.Chikusetsusaponin II is a new structure, while chikusetsusaponin IVc is identical with ginsenoside‐Re, isolated from P. ginseng C. A. MEYER.

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