... Lactones6% ,Ginkgolic Acid<5ppm(Enterprise standard)4) Total Flavone Glycosides 24%and Total Lactones 6% and Quercetin Glycoside ... Ginkgolic Acid<5ppm14) Pure ginkgo biloba extract:Total Flavone Glycosides 24%,Total Lactones6%, Quercetin Glycoside/ Kaempferol Glycoside ... 16) Water soluble Pure ginkgo biloba extract:Total Flavone Glycosides 24%,Total Lactones6%, Quercetin Glycoside/ Kaempferol Glycoside ...