Gomisin G is an ethanolic extract of the stems of Kadsura interior; exhibits potent anti-HIV activity with EC50 and therapeutic index (TI) values of 0.006 microgram/mL and 300, respectively.
[1]. Chen DF, et al. Anti-AIDS agents--XXVI. Structure-activity correlations of gomisin-G-related anti-HIV lignans from Kadsura interior and of related synthetic analogues. Bioorg Med Chem. 1997 Aug;5(8):1715-23. [2]. Ikeya Y, et al. The constituents of Schizandra chinensis Baill. I. Isolation and structure determination of five new lignans, gomisin A, B, C, F and G, and the absolute structure of schizandrin. Chem Pharm Bull (Tokyo). 1979 Jun;27(6):1383-94.