Identification and Characterization of Component Organic and Glycosidic Acids of Crude Resin Glycoside Fraction from Calystegia soldanella

Ayako Takigawa; Hiroaki Setoguchi; Masafumi Okawa; Junei Kinjo; Hiroyuki Miyashita; Kazumi Yokomizo; Hitoshi Yoshimitsu; Toshihiro Nohara; Masateru Ono

doi:10.1248/cpb.59.1163

Notes

Identification and Characterization of Component Organic and Glycosidic Acids of Crude Resin Glycoside Fraction from Calystegia soldanella

Ayako Takigawa, Hiroaki Setoguchi, Masafumi Okawa, Junei Kinjo, Hiroyuki Miyashita, Kazumi Yokomizo, Hitoshi Yoshimitsu, Toshihiro Nohara, Masateru Ono

Author information

Ayako Takigawa
School of Agriculture, Tokai University
Hiroaki Setoguchi
Graduate School of Human and Environmental Studies, Kyoto University
Masafumi Okawa
Faculty of Pharmaceutical Sciences, Fukuoka University
Junei Kinjo
Faculty of Pharmaceutical Sciences, Fukuoka University
Hiroyuki Miyashita
Faculty of Pharmaceutical Sciences, Sojo University
Kazumi Yokomizo
Faculty of Pharmaceutical Sciences, Sojo University
Hitoshi Yoshimitsu
Faculty of Pharmaceutical Sciences, Sojo University
Toshihiro Nohara
Faculty of Pharmaceutical Sciences, Sojo University
Masateru Ono
School of Agriculture, Tokai University

Keywords: resin glycoside, glycosidic acid, Calystegia soldanella, Convolvulaceae, organic acid, calysolic acid

JOURNAL FREE ACCESS

2011 Volume 59 Issue 9 Pages 1163-1168

DOI https://doi.org/10.1248/cpb.59.1163

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Abstract

Alkaline hydrolysis of the crude resin glycoside fraction of the leaves, stems, and roots of Calystegia soldanella ROEM. et SCHULT. (Convolvulaceae) gave four new glycosidic acids, named calysolic acids A, B, C, and D, along with one known glycosidic acid, soldanellic acid B, and three organic acids, 2S-methylbutyric, tiglic, and 2S,3S-nilic acids. The structures of the new glycosidic acids were characterized on the basis of spectroscopic data and chemical evidence.

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