Herbal & plant extracts commodity specification; L-Rhamnose: 98%; Rutin: Dab10; Quercetin: 98% min; Hesperidin: 90-98%; Hesperitin: 95%,98%; Magnolia P.E: 50-99%; Puerarin: 99%HPLC’ Camptothecin: 99% Rhodiola rosea.