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Note | Regular issue | Vol 57, No. 8, 2002, pp.1507-1512
Published online, 1st January, 1970
DOI: 10.3987/COM-02-9527
Four Dimeric Stilbenes in Stem Lianas of Gnetum Africanum

Ibrahim Iliya, Toshiyuki Tanaka,* Munekazu Iinuma, Zulfiqar Ali, Miyuki Furasawa, Ken-ichi Nakaya, Nobuyasu Matsuura, and Makoto Ubukata

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


From the stem lianas of Gnetum africanum Welw., four new stilbenoid dimers (gneafricanins C, D, E and F) were isolated along with four known compounds. The structures were established by spectroscopic analyses and chemical evidence. In addition the antioxidant activities of the compounds were also investigated.