TWO NEW GYMNEMIC ACID CONGENERS CONTAINING A HEXULOPYRANOSIDE MOIETY

Fumiyuki KIUCHI; Hong-Min LIU; Yoshisuke TSUDA

doi:10.1248/cpb.38.2326

著者情報

キーワード: Gymnema sylvestre, gymnemic acid, gymnemic acid-VIII, gymnemic acid-IX, oxo-glycoside, D-arabino-2-hexulopyranose

ジャーナルフリー

1990 年 38 巻 8 号 p. 2326-2328

DOI https://doi.org/10.1248/cpb.38.2326

詳細

抄録

Two new saponins, gymnemic acid-VIII and -IX, were isolated from the water extract of leaves of Gymnema sylvestre R. Br. along with three known saponins, gymnemic acid III, IV, and V. Their structures, clarified on the basis of spectroscopic and chemical means, present rare examples of a hexulopyranoside moiety at 0-3' on gymnemic acid-III and -IV, respectively.

責任著者(Corresponding author)

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