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Paper | Regular issue | Vol 63, No. 8, 2004, pp.1821-1828
Published online, 1st June, 2004
DOI: 10.3987/COM-04-10100
New Resveratrol Dimer Glucosides and Trimers in Stem and Root of Welwitschia mirabilis

Hiroko Murata, Toshiyuki Tanaka,* Ibrahim Iliya, Miyuki Furasawa, Tetsuro Ito, Ken-ichi Nakaya, and Munekazu Iinuma

*Gifu Prefectrual Institute of Health and Environmental Sciences, 1-1 Nakafudogaoka, Kakamigahara, Gifu 504-0838, Japan

Abstract

Two new resveratrol dimer glucosides, mirabilosides A (1) and B (2), and two new resveratrol trimers, mirabilols A (3) and B (4) were isolated from stem and root of Welwitschia mirabilis (Welwitschiaceae) together with four known stilbene oligomers (gnetins C, E, F and I). The structures of isolated compounds were determined by spectroscopic analysis.