Detailed Product Description Ginkgo biloba extract1.Ginkgo Flavonoids 24%, Terpene Lactones 6%2.Ginkgo Flavonoids 24%, Terpene Lactones 6%, Ginkgolic acid 5ppm3.Ginkgo Flavonoids 24%, Terpene Lactones 6%, Ginkgolic acid 1ppm4.GBE water soluble with ginkgolic acid 5ppm or 1ppm5.European standard GBE Ginkgo Flavonoids 22-27%, Terpene Lactones 5-7% GA+GB+GC=2.8-3.4% BB 2.6-3.2% Ginkgolic acid 5ppm