Putalun W, Xuan L J, Tanaka H, Shoyama Y
Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashiku, Fukuoka 812-0054, Japan.
J Nat Prod. 1999 Jan;62(1):181-3. doi: 10.1021/np980301a.
Solakhasoside (1), a novel steroidal saponin, was isolated from the fruit of Solanum khasianum. Its structure was determined as (23S, 25S)-spirot-5-en-3beta,17alpha, 23-triol-3-O-[alpha-L-rhamnopyranosyl-(1-->2)[beta-D-xylopyranosyl-(1 -->3)]-beta-D-galactopyranoside] (1) by spectroscopic analysis.