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Ginkgo Biloba Leaf Extract Basics / Overview / Introduction

Ginko Biloba Extract is made from the leaves of Ginkgo biloba L, by using appropriate solvents to extract the active ingredients. Pharmacological research results showed that Ginko Biloba Extract contained more than 100 chemical components including flavonoids, terpenoids, organic acids, polyisopentenols, steroidal compounds, amino acids and trace elements.

The main active components in Ginko Biloba Extract are Flavone glycosides and Terpene lactones.

Studies have shown that ginkgo flavone has anti-inflammatory, antioxidant, vascular dilation, inhibition of platelet aggregation and other pharmacological effects. Ginkgolide has a protective effect on brain tissue after cerebral ischemia/reperfusion.Various preparations made from Ginko Biloba Extract are widely used in medicine, health care products, food additives, functional drinks, cosmetics and other fields.

The Main Active Ingredients in Ginkgo Biloba Standardized Extract Include:

1. Flavonoid: including isorhamnetin, kaonetin, quercetin, trihydroxyl flavone, five hydroxyl flavone, hydroxyl flavone, etc., accounted for about 24% in the extract of Ginkgo biloba leaves;
2. Terpene lactones: including difololides and ginkgolides, the proportion of ginkgo biloba leaf extract is about 6%;
3. Organic acids: it includes 6-hydroxyquinolinic acid, protocatechuic acid, vanillic acid and shikimic acid, among which 6-hydroxyquinolinic acid is an excitatory amino acid antagonist, which can relieve nerve cell injury, cerebral ischemia and other symptoms, accounting for about 5%-10% in the extract of Ginkgo biloba leaves.

In addition, the extract of Ginkgo biloba leaves also contains polysaccharides, polypentenols ester, alkyl phenolic acid compounds and other nutrients.

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