We need Hydrastis canadensis (dried root) Qty-30 kg- with CITES certificate.Hydrastis canadensis need the following contents:Hydrastin (C21H21NO6; Mr 383,4): min. 2,5 %Berberin (C20H18NO4; Mr 336,4): min. 3,0 %383,4): min. 2,5 %Berberin (C20H18NO4; Mr 336,4): min. 3,0 %Show More