We supply a large number of Ginkgo Biloba Extract Powder Provide OEM and generation processing [Botanic Name] Ginkgo biloba L.Leaves [Appearance] Brown Powder [Specification] 24% Flavones /6%Lactones Ginkgolic acid â?¤10ppm Free Quercatinâ?¤1.0% Free kaemperol â?¤1.0% Free Isorhamnetinâ?¤0.4% Sophoricoside Negative