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Ginkgo Biloba Extract (GBE) refers to the effective substances extracted from Ginkgo biloba, and contains Ginkgo biloba total flavonoids, ginkgolides and other substances. It has the functions of expanding blood vessels, protecting vascular endothelial tissue, regulating blood lipids, protecting low-density lipoprotein, inhibiting PAF (platelet activating factor), inhibiting thrombosis, and scavenging free radicals.
Ginkgo biloba has a wide range of biological activities and contains a variety of chemical components, including flavonoids, terpenes, polysaccharides, phenols, organic acids, alkaloids, amino acids, steroids, trace elements, etc. Among them, vitamin C, vitamin E, carotene, calcium, phosphorus, boron, selenium and other mineral elements are also very rich, but the most important medicinal components are flavonoids and terpenes. Flavonoids and terpenes have many functions such as vasodilation and anti-oxidation.
Certificate of Analysis:
Name Ginkgo Leaf Extract Powder Ginkgo Biloba Extract
Botanical SourceGinkgo Biloba L.
Color Brown yellow to Brown
Part Used Leaf
Appearance Fine Powder
Test Method HPLC
Maker Compounds Flavone glycosides 22%-27% Terpene Lactories 5.4%-12%
Lactones A 1.46%
Lactones B 0.83%
Lactones C 1.22%
Bilobalides 2.6%-5.8%
Quercetin:Kaemp ferol 0.8-1.2
Isorhamnetin:Quercetin 0.15
Ginkgolic Acid ≤4.0 ppm
Free Quercetin ≤10mg/g
Free Kaempferol ≤ 10mg/g
Free Isorhamnetin ≤4mg/g
Molecular Formula C15H20O3
Molecular Weight 248.322
Ash Content ≤5%
Extract solvent Ethanol & Water
Drying Method Spray Dying
Particle Size NLT100%Through 80 mesh
Loss on Drying ≤ 5.0%
Bulk Density 40-60g/100ml
Arsenic ≤2ppm
Lead ≤2ppm
Total Plate Count ≤1000cfu/g
Total Yeast & Mold ≤100cfu/g