FOURNI-LABO
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54ème Année

EXTRAIT DE GINKGO BILOBA

 
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Date maj 15 04 2014
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English

Ginkgo Biloba

EUROMED ginkgo biloba extracts are standardized herbal extracts of Ginkgo biloba L. leaves, a "fossil tree" growing in Oriental Asia and today widely cultivated as a medicinal plant in Korea, the south-east of France and the United States.

Chemistry

A multitude of polar and apolar compounds have been isolated in ginkgo biloba leaves: aliphatic alcohols and ketones, organic acids, sesquiterpenes (bilobalide) and saccharides.

Interesting compounds from the therapeutic point of view are flavonoids and diterpenes.

The flavonoids are represented by about twenty flavonol glycosides, quercetin and kaempferol 3-rhamnosides and 3-rutinosides, p-coumaric esters of glucorhamnosides of quercetin and kaempferol, and by biflavonoids

(amentoflavone, bilobetol, 5-methoxybilobetol...). Ginkgo biloba leaves also have flavan-3-ols and proanthocyanidins. Ginkgo biloba diterpenes, known as ginkgolides A, B, C, J and M,

have an hexacyclic structure characterized by a spiro-[4,4]-nonanic sequence, a tert-butyl group, and three lactones rings.

Indications

Extracts of ginkgo biloba leaves are proposed to treat the symptoms of senile cerebral insufficiency, memory loss associated with aging,

early stages of Alzheimer's disease, poor circulation to the extremities, intermittent claudication, tinnitus and hearing loss.

Ginkgo biloba extracts have antoxidant activity and ability to inhibit platelet aggregation, which are critical in the prevention of circulatory diseases.

Extrait de ginkgo biloba

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Ref.: 001180 / 001180102109
 
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