Tianjin Jianfeng Natural Product Co.,Ltd

JF-Natural is the biggest grape seed extract manufacturer in China, specialized in the production of a series of products from grape, such as Grape Seed Extract, Grape Skin Extract, Grape Seed Oil, Grape Leaf Extract, etc.

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Latest Products

  • Apple Polyphenol

    Apple PolyphenolAppjfnol is a natural blend of polyphenols with brown dried powder ; which extracted from apple skin, it has a hint of apple aroma and good solubility toward water and ethanol. This product also has a very stable quality even to heat

  • Grape seed extract( Polyphenol, proanthocyanidin)

    Grape seed extract( Polyphenol, proanthocyanidin)The Grape Seed extract is a new type of efficient anti-oxidant, it has the strongest effect among all of the current free radicals clearance and it is very active inside the body.

  • Momordica Grosvenori Extract ( Momordica Grosvenori P.E. )

    Momordica Grosvenori Extract ( Momordica Grosvenori P.E. )Momordica Grosvenori Extract is extracted from the Momordica Grosvenori Swingla, which is a special plant of China, the main component is Mogrosides, including Mogroside IIE, III, IIIE, IV, V and , mogro 1, Siamenside, 11-oxo-Mogroside,neomogroside.

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Grape seed extract( Polyphenol, proanthocyanidin)

3,As the natural functional content which possess the strong anti-oxidant, it is widely added into all kinds of cake, cheese as the nurture, natural antiseptic in Europe and USA, it has increased the safety of the food.

Products characteristics:

1,All kinds of specification of grape seed extract,(40%,60%,80%,90%,95%), high quality can meet different customer's requirement.

2,The raw material is adopt the excellent grape seed from the the north of Yellow River which is suitable for the grape's grow, it is free of pestiside.

3,The extraction process is only use water and ethanol, ensure the safety of the product.

4,The oligomers( ) content is very high, ensure the unit proanthocyanidin's treatment.

5, low ash, impurity, heavy metal residue is lower than 10ppm.

6,It has good solubility in water and ethanol, so it was widely used in different field.

The specification of the Grape seed extract:

Specification

Active ingredient

content

Method

Opcs

OPCs/Polyphenol

80%/95%

HPLC/GAE

OPCs/Polyphenol

60%/95%

HPLC/GAE

Polyphenol

Polyphenol

95% , 90% , 80% , 75% , 60%

Folin-C (GAE)

40% , 30% , 20%

Folin-C (GAE)

Total Flavones

Total Flavones

95% , 80% , 20%

HCl-Vanillin

Proanthocyanidin

Procynidin index

95 , 80 , 40

Bate-smith

Grape skin extract

Anthocyanidin/Polyphenol

25%/40%

UV/Folin-C (GAE)

Grape twig extract

Procynidin index

Bate-smith

Grape leave extract

10 : 1

Red wine extract

Polyphenol/

Folin-C (GAE)

Grape seed oil

Grape seed oil

9 7 3 1 2 3 4 8 :