Main active ingredients of lignans, such as Deoxyschizandrin (Deoxyschizandrin), Schisandrin B (γ-Schisandra), Schisandrin (Schisandra), schizandrol B (Aomisin), Schisandra C prime (pseudo-a r - Schisandra), schisantherin A (Schisantherin A), etc., also contains pinene and other volatile oil and citric acid, malic acid, tartaric and other organic acid compounds. Appearance: brownish yellow fine powder. Main Specifications: Schisandra Schisandra A 2% -5% 2% of the total prime ~ 9%, and Schisandra (b) B Su, Schisandra (a) A prime, a variety of specifications schisandrin detection methods: UV detection.