... flavone glycosides≥ 24%, Total terpene lactones ≥ 6%, Ginkgolic acid<5ppm5. Total Ginkgo flavone glycosides≥ 24%, Total ... terpene lactones ≥ 6%, Ginkgolic acid<1ppm6. Water solubleTotal Ginkgo flavone glycosides≥ 24%, Total ... terpene lactones ≥ 6%Ginkgolic acid <1ppm, Quercatin: Kaemperol 0.8--1.5FunctionThe Gingko ...