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HPLC Grape Skin Extract Powder Polyphenols 70% Sambucus Nigra L.

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HPLC Grape Skin Extract Powder Polyphenols 70% Sambucus Nigra L.

Brand Name : BNP

Model Number : Polyphenols 10%-60%


Place of Origin : China

MOQ : 1kg

Price : USD32-47/KG

Payment Terms : L/C, D/A, D/P, T/T, Western Union

Supply Ability : 1000000KGS PER YEAR

Delivery Time : 3-5DAYS

Packaging Details : 25kg/drum

Product Name : Grape Seed Extract

Latin Name : Sambucus nigra L.

Ingredients : Polyphenols 10%-60%

Part Used : Skin

Color : Red-Brown

Shelf Life : 24 months

Test Method : HPLC/UV

Application : Health Care Supplement

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Natural Antioxidant Grape Skin Extract Powder Red Wine Polyphenols

What is Grape Seed Extract?

The grape seed extract is a new type of highly effective natural antioxidant substance extracted from grape seeds that cannot be synthesized in the human body. It is the strongest antioxidant and free radical scavenger found in nature, with 50 times more antioxidant activity than vitamin E and 20 times more antioxidant activity than vitamin C. It can effectively scavenge excess free radicals in the body and has a superb effect of delaying aging and enhancing immunity.


Product Name

Latin Name


Grape Seed Extract

Sambucus nigra L.

Proanthocyanidins 95%

Polyphenol 70-95%


1. Anti-bacterial

2. Anti-viral

3. Anti-cancer

4. Anti-inflammatory

5. Anti-allergic

6. Vasodilatory effect


1. Drug development
2. Cosmetic development
3. Health product development

Test Method:

HPLC method

This method determines the content of each monomer, oligomer, and homopolymer in the extract. However, due to the limitations of the control and the analytical means, only the content of monomers and some oligomers in grape seed extracts can be determined. In practice, it is sufficient to determine the content of only those monomers. The main monomers in grape seed extracts are catechin, epicatechin, gallic acid, and epicatechin gallate. [5]

The content of monomers in grape seed extracts is generally around 10.0% and can reach up to 30.0%. Due to the complexity of grape seed extract components, it is generally difficult to completely separate multiple monomers by the HPLC method if the sample is not pretreated. Therefore, the extracts need to be pretreated to remove the polymers and improve the monomer content before injection. Commonly used pretreatment methods are silica gel column chromatography, SephadexLH- 20, Sephadex G25, Toyopeah TSK HW40, and other column chromatography methods. The sample can also be pretreated by thin-layer chromatography, generally using toluene: acetone: acetic acid = 3 : 3: 1 (V/V/V) as the unfolding agent.


Q: Are you a manufacturer or trader?
A: We are a manufacturer in China and our factory is located in Guangzhou City. Welcome to visit our factory!

Q: What is your minimum order quantity?
A: The minimum order quantity is 1000 pieces. But it's negotiable.

Q: Can you accept customization?
A: Yes, we offer OEM or ODM service. The recipe and component can be made as per your requirements.

Q: What kind of payment do you accept?
A: Paypal, West Union, MoneyGram, T/T, L/C, Cash, etc.

Product Tags:

HPLC grape skin extract powder


Proanthocyanidins 95% grape skin extract powder


Polyphenols 70% sambucus powder

Wholesale HPLC Grape Skin Extract Powder Polyphenols 70% Sambucus Nigra L. from china suppliers

HPLC Grape Skin Extract Powder Polyphenols 70% Sambucus Nigra L. Images

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