Pure Natural 24% Flavonoids 6% Lactones 5ppm Ginkgo Biloba Leaf Extract Powder

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Pure Natural 24% Flavonoids 6% Lactones 5ppm Ginkgo Biloba Leaf Extrac...
Posting date : Jul 24, 2021
Free Member Scince Jul 23, 2021
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China [CN]
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Basic info:

Product Name: Ginkgo Biloba Extract

Latin Name: Ginkgo Biloba L.

Product Type: Light Yellow or Brown-yellowPowder

Part of the Plant Used:Leaf (Dry, 100% Natural)

Extract Method: Ethanol & Water

CAS#: [90045-36-6]

Ginkgo biloba Extract specifications:

1. CP2005 (Ginkgoflavon Glycosides≥24%, Total TerpeneLacosides≥6%, Acid<10PPM, Peak area ratio 0.8-1.5)

2. CP2010 (Ginkgoflavon Glycosides≥24%, Total TerpeneLacosides≥6%, Acid<5PPM, Peak area ratio Q:K 0.8-1.2)

3. EP6 (Ginkgoflavon Glycosides 22~27%, Total TerpeneLacosides5.4~6.6%, Acid<5PPM; Ginkgolide A+B+C 2.8%-3.4%; Bilobalide2.6%-3.3%)

4. USP31 (Ginkgoflavon Glycosides 24~27%, Total TerpeneLacosides5.4~12%, Acid<5PPM, Peak area ratio 0.8-1.5; Ginkgolide A+B+C2.8%-6.2%; Bilobalide 2.6%-5.8%)

5. Water-soluble Grade (Ginkgoflavon Glycosides≥24%,Total Terpene Lacosides≥6%, Acid 1~5PPM; sobubility:1~5%)

6. Low acid (Ginkgoflavon Glycosides≥24%, Total TerpeneLacosides≥6%, Acid<1PPM)

Standard: CP2015 , CP2010 , EP, USP , Water-soluble


Ginkgo has long been cultivated in China; some planted trees at temples are believed to be over 1,500 years old. Ginkgos adapt well to the urban environment, tolerating pollution and confined soil spaces. They rarely suffer disease problems, even in urban conditions, and are attacked by few insects. For this reason, and for their general beauty, ginkgos are excellent urban and shade trees, and are widely planted along many streets.

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

Medical Function:

1. Expand blood vessels and protect vascular endothelial tissue

2. Regulate blood lipids

3. Protect low-density lipoprotein

5. Inhibit PAF (platelet activating factor) and inhibit thrombosis

7. Scavenging free radicals

8. Anti-hypoxia effect

9. Prevent arterial spasm

Skin care Function:


When the body is not in good condition, our endocrine is easily disordered and imbalanced. At this time, there are too many oxygen free radicals in the body, but the superoxide dismutase (SOD) is insufficient, which leads to excessive oxygen free radicals and dermal layer cells to produce oxidation In response to this, a large amount of lipofuscin (lipid peroxide) is formed, causing melasma or pregnancy spots. The flavonoids contained in ginkgo biloba can hinder the formation and deposition of pigments in the dermis, whitening the skin and preventing pigmented patches. In addition to flavonoids, trace elements such as manganese and molybdenum in ginkgo leaves can also scavenge oxygen free radicals and inhibit the growth of melanin.


It takes about 3 months for the human skin to completely renew once, but why do we still have annoying fine lines on our face? The reason is that the new cells formed in the dermis have been passed before they reach the surface of the skin. Many free radicals oxidize, and when they reach the epidermis, they already belong to aging cells. The flavonoid glycosides and flavonols in ginkgo biloba are both free radical scavengers, which can protect cells in the dermis, improve blood circulation, and prevent cells from being oxidized to produce wrinkles.


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