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Ginkgo Biloba
Standardized Herbal Extract
GINKGO BILOBA
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Active Ginkgo Ingredients

The standardized ginkgo biloba extract is prepared from dried ginkgo biloba leaves by a multistep extraction procedure and is usually concentrated for 50 times. This means that 50 grams of dried ginkgo leaves ends up with only 1 gram of extract.

The extraction procedure serves to preserve the active ingredients and meanwhile to get rid of other useless and even harmful ingredients. The standardized ginkgo biloba extract contains two fractions of active components, ginkgo-flavone glycosides and terpene lactones, which constitute about 24% and 6% of the extract respectively. The ginkgo-flavone glycosides fraction consists of quercetin, kaempferol, and isorhamnetin whereas the terpene lactones fraction consists of ginkgolides A, B, C, J and bilobalide.

Contribution of each individual active ingredient to the action of the standardized ginkgo biloba extract as a whole is not quite clear. However, ginkgo-flavone glycosides seem to be free radical scavengers and may contribute to the antioxidant properties of ginkgo biloba. Ginkgolides are potent antagonists of platelet activating factor (PAF).

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product specification  
ActiveHerb Ginkgo Biloba Standardized Extract
(ginkgolic acid < 1ppm)

60 mg Tablet, 60 ct
for only
1 bottle
$5.99
6 bottles
$32.98

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