[Botanic Name] Ginkgo Biloba Leaf
[Appearance] Brownish Yellow Fine Powder
[Specification] Flavones22.0%-27.0% , Lactones5.4%-12.0% ,BB 2.6%-5.8% ,Ginkgolic acid≤5ppm, Free Quercetin≤0.5% , Rutin≤4% ,
Lactones(a+b+c) 2.8-6.2%,Kaempfero / Quercetin≥0.7,Isorhamnetin / Quercetin≥0.1