Introduction of Ginkgo Biloba Extract :
What is Ginkgo Biloba Extract?Basic Information | |
Product name: | Ginkgo Leaf Extract Powder |
Ginkgo Biloba Extract | |
English name: | Ginkgo Biloba Extract |
Latin name: | Gingko Biloba L |
Active ingredients: | Ginkgo flavone / Ginkgolide |
Part: | Leaves |
Appearance: | yellow brown powder |
Specification: | flavonoids:24%,lactones:6% |
Extract Method: | Grain alcohol |
Test Method: | HPLC |
Product Specifications
High-quality Ginkgo Leaf Extract Powder | ||
Items | Specifications | Results |
Appearance | yellow brown powder | Conforms |
Identification | TLC | Conforms |
sulphuric acid reaction a yellow colour develops | Conforms | |
it gives reaction of chlorides | Conforms | |
PH | 2.0~3.0 | 2.3 |
Specific absorbance | at 349nm e(1%) 300~355 | 320 |
Specific optical rotation | -105 ~ -120° | -110° |
Heavy metals: | ≤50ppm | < 20ppm |
Light-absorbing impurities | at 490nm ≤0.07 | 0.03 |
Related substances | 6-epidoxycycline ≤2.0% | 1.60% |
metacycline ≤2.0% | 0.10% | |
4-epidoxycycline ≤0.5% (ep5) | Not found | |
4-epi-6-epidoxycycline ≤0.5% (ep5) | Not found | |
oxytetracycline ≤0.5% (ep5) | Not found | |
any other impurity ≤0.5% | Not found | |
not identified impurities ≤0.1% (ep5) | Not found | |
Ethanol | 4.3~6.0% (m/m) | 4.50% |
Sulphated ash | ≤0.4% | 0.05% |
Water | 1.4~2.8% | 1.80% |
Assay | 95.0~102.0% ( c22h25cln2o8) | 98.60% |
based on anhydrous, ethanol-free substance | ||
Conclusion | Conform with USP43 |
Products Function
Used for chest pain, stroke, hemiplegia, and strong tongue caused by blood stasis and obstruction of collaterals; stable angina pectoris and cerebral infarction of coronary heart disease are seen with the above syndromes.
1. Ginkgo Leaf Extract Powder Dilating blood vessels, vascular endothelial protection organizations; |
2. Ginkgo Leaf Extract Powder Regulating blood lipids; |
3. Ginkgo Leaf Extract Powder Protecting low-density lipoprotein; |
4. Ginkgo Leaf Extract Powder Improving blood rheology; |
5. Ginkgo Leaf Extract Powder Inhibiting PAF(platelet activating factor), thromboxane formation; |
6. Ginkgo Leaf Extract Powder Improving memory; |
7. Ginkgo Leaf Extract Powder Scavenging free radicals; |
8. Ginkgo Leaf Extract Powder Anti-hypoxia; |
9. Ginkgo Leaf Extract Powder Preventing artery spasm. |
Application Field
l Anti-Aging:
Ginkgo biloba, ginkgo biloba, ginkgol and quercetin in Ginkgo biloba inhibited lipid peroxidation, especially quercetin has stronger inhibitory activity.
l Anti-oxidation:
Ginkgo biloba extract can directly eliminate lipid free radicals, lipid peroxidation free radicals and alkyl radicals, and terminate the free radical chain reaction chain.
Medicine raw materials:
Ø Ginkgo biloba extract can simultaneously promote circulation of the brain and body limbs
Ø Resist dementia and improve memory
Ø Flavonoids in Ginkgo may stop or relieve certain retinopathy
Ø Treatment of hypertension
Ø Treating diabetes
Ø Improve sexual function
Ø Ginkgo biloba significantly reduces pre-menstrual unpleasant symptoms, especially breast pain and emotional instability.
company information
Packaging & Shipping
Recommended Transportation Selections | ||
By Air | By Express | By Sea |
Suitable for >50kg | Suitable for sample order or <50kg | Suitable for > 300kg |
Fast: 3-7 days | Fast: 3-10 days | Slow: 7-45 days |
Lower than express cost | High shipping cost | Lowest cost |
Airport to airport service | Door to door service | Port to port serviceRecommended transportation selections |
Professional broker needed | Professional broker needed |
FAQ:
Q1: Can i get some samples? |
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers. |
Q2: How to start orders or make payments? |
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union |
or Paypal or Escrow(Alibaba). |
Q3: How to confirm the Product Quality before placing orders? |
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the |
samples. You can send us your product specifications and requests,we will manufacture the products according to your requests. |
Q4:What's your MOQ? |
A:Our MOQ is 1kg or 10g(Different products have different MOQs). But usually we accept less quantity such as 10g on the condition that sample charge is 100% paid. |
Q5: How about delivery leadtime? |
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included) |
Q6:Is there a discount? |
A:Different quantity has different discount. |
Q7: How do you treat quality complaint? |
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, |
we will send you free goods for replacement or refund your loss. |
Q8: How to contact us ? |
A:You can chat with us by Trademanager,MSN&Skype Online. You can choose your interested products and send inquiry to us. You can dial our telephone directly, you will get our reply. Send Email to us. |