... (Turcz.) Baill. Plant part used Fruits (Berries) Active Ingredient Schisandrins (mostly Schisandrol A, Schisandrin A) Specification 1%, 2%, 5%, ... 9% Schisandrins HPLC,10:1 Test Method HPLC Case No 61281-37- ... dibenzocyclooctene derivative lignans (about 2% by weight), known totally as schisandrins, with the main constituents being: 1. Schisandrin (Schisandrin B ...