Acta Medica Okayama 74 2008 New dimeric flavans from gambir, an extract of Uncaria gambir 595 605 EN Shoko Taniguchi Kayo Kuroda Naomi Yoshikado Kou-ichi Doi Masahiro Tanabe Takashi Shibata Takashi Yoshida Tsutomu Hatano <p>Three new dimeric flavans, catechin-(4 alpha -&#62; 8)-ent-epicatechin (7), gambirflavan D1 (8), and gambirflavan D2 (9), were isolated from gambir (an extract from the leaves and young twigs of Uncaria gambir), and their structures were determined based on spectroscopic and chemical data.</p> No potential conflict of interest relevant to this article was reported.

Acta Medica Okayama 2003 加水分解性タンニンの植物組織培養による生産とその制御 EN No potential conflict of interest relevant to this article was reported.