Ginkgo Biloba Leaf Extract Details Product Name: Ginkgo Biloba Leaf Extract Herb Source: Ginkgo biloba L Part Used: Leaf Active Ingredient: Flavones, Lactones Specification: 24% Flavones, 6% Lactones, Ginkgolic Acid Appearance: Yellow Brown Powder Test Method: HPLC CAS#: 90045-36-6 What Is Ginkgo Biloba Extract ? The Chinese have been using ginkgo to treat health conditions for thousands of years. Ginkgo …