... Schisandrins (mostly Schisandrol A, Schisandrin A) Specification 1%, 2%, 5%, 9% Schisandrins HPLC,10:1 Test Method HPLC ... (berry) contains lignans, including dibenzocyclooctene derivative lignans (about 2% by weight), known totally as schisandrins, with the main ... some extent as esters, amony them those of angelic acid, benzoic acid and acetic acid2. Schisandrin A (deoxyschizandrin), Schisandrin C3. ...