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Medicinal Flowers. XVII. New Dammarane-Type Triterpene Glycosides from Flower Buds of American Ginseng, Panax quinquefolium L.

2007; Pharmaceutical Society of Japan; Volume: 55; Issue: 9 Linguagem: Inglês

10.1248/cpb.55.1342

1347-5223

Seikou Nakamura, Sachiko Sugimoto, Hisashi Matsuda, Masayuki Yoshikawa,

Pharmacological Effects of Natural Compounds

Five new dammarane-type triterpene glycosides, floralquinquenosides A, B, C, D, and E, were isolated from the flower buds of American ginseng, Panax quinquefolium L., together with 18 known dammarane-type triterpene glycosides and 3 flavonoid glycosides. The structures of new floralquinquenosides were elucidated on the basis of chemical and physicochemical evidence.