Grape Seeds Extract with Polyphenols 95% by UV

$15.00 - $25.00
Min. Order
1 Kilogram
Company Information

Sinoway Industrial Co., Ltd.

CN Trading Company
Response Time
Response Rate:
US$ 120,000+
13 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Port: beijing/tianjin/shanghai/ningbo
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,ESCROW, Paypal
Supply Ability: 40 Metric Ton/Metric Tons per Year (Capacity: 60T/year)
Type: Herbal Extract
Variety: grape seed extract
Form: Powder
Part: grape seed
Extraction Type: Solvent Extraction
Packaging: Drum
Place of Origin: Fujian China
Grade: food grade/cosmetic grade/pharmaceutical grade
Brand Name: SINOWAY
Model Number: SI
Appearance: Fine Red Brownish Powder
Raw material: China
Botanical source: Vitis Vinifera
Used part: grape seed
Specification: Proanthocyanidins 95% by UV
Extraction solvent: ethanol and water
Excipient: not adding
Particle size: 100% pass 80 mesh
Shelf life: 2 years
Certificate: nsf-GMP/ISO/HACCP/Kosher/HALAL
Packaging Detail: 25kg/drum (double plastic bag inside and paper drum outside)

Sinoway Industrial Co., Ltd. 

state owned company which specialized in herbal extract industry since 1987.



1. Specification

** Series of grape extract:

Product NameSpecification
Grape leaf extractPolyphenols 18%, 30%, 50%
Grape seed extractProanthocyanidins (OPC) 95%, 98%
Polyphenols 75%, 80%, 85%, 90%
Resveratrol 0.5%, 5%
Grape skin extractPolyphenols 30%, 50%
Grape vine extractPolyphenols 30%
Resveratrol 0.5%, 5%


** typical specification of grape seed extract ---- proanthocyanidins 95% by UV

AppearanceFine Red Brownish Powder
NatureExtract From Grape Seed
Odor & TasteCharacteristic; Astringent and Bitter
Proanthocyanidins≥95% by UV
Loss on Drying≤5%
Bulk Density30~50g/100ml
Partical Size100% Through 80 Mesh
Heavy Metals< 5ppm
Lead(Pb)< 2ppm
Arsenic(As)< 2ppm
Cadmium(Cd)< 0.5ppm
Mercury(Hg)< 0.2ppm
T. Sulphites< 20ppb
Total Plate Count<1000CFU/G
Yeast and moulds<100 CFU/G




2. Usage


Proanthocyanidin is a kind of bioflavonoid,owning stronger anti-oxidant and free radical scavenging ability.Its oxidation effect is 50times of vitamin E,20 times of vitamin C.

(1)Anti-oxidation ,scavenging free radical ,preventing skin aging and UV radiation .
(2)Protect the brain and nerve tissue from oxidation .
(3)Maintaining capillary and artery vascular health, enhancing the tension of vascular and reducing the risk of cardiovascular disease.
(4)Anti-cancer and preventing cancer .
(5)Relieving PMS problems ,and alleviating would,edema from injury trauma ,varicose veins,lower limb swelling and retinopathy.



Proanthocyanidin is a new kind of natural and efficient anti-oxidant that can not be synthesized by human body ,its widely used in pharmaceutical ,health product ,food and cosmetics field .
(1)Applied in pharmaceutical field ,it is used to treat cardiovascular disease.
(2)Applied in health product field ,its made into capsule ,and it has become the top the
Salable natural plant extract product and owns the reputation natural health care product and orally cosmeticsin America.
(3)Applied in food field ,its added into cake and cheese as nutrition exhanancer and inartificial preservative
(4)Applied in cosmetics field ,its the main efficacy factor of toning lotion or cream,it has the efficacy of refrming ,crease resisthing and freckle curing .It ca make skin smooth ,exquisite and be full of flexibility. 



3. Package and Storage


(1)1kg/bag (1kg net weight, 1.2kg gross weight, packed in an aluminum foil bag; Outer: paper carton; Inner: double-layer PE)

(2)5kg/bag (5kg net weight, 5.2kg gross weight, packed in an aluminum foil bag; Outer: paper carton; Inner: double-layer PE)

(3)10kg/drum (10kg net weight, 12kg gross weight; Packed in a cardboard-drum with two plastic-bags inside; Drum Size: 310mm high, 400mm diameter)

(4)25kg/drum (25kg net weight, 28kg gross weight; Packed in a cardboard-drum with two plastic-bags inside; Drum Size: 510mm high, 350mm diameter)

(5)Customized package is available.



(1)Stored in a cool and dry well-closed container and in ventilated area,

(2)kept away from moisture and strong light or high temperature.
(3)Two years under well storage situation and stored away from direct sun light.



4. How to Cooperate with Sinoway?

Main Buying Procedures:

(1)Enquiry: contact us by email, phone call, fax, Instant tools (Trademanager, MSN, Skype).
(2)Discussion: specify the items you desire, confirm specification.
(3)Quotation: Prices offered and accepted.
(4)Place order as per contract or discussion.
(4)Proforma invoice offered to double confirm the order for both-side records.
(4)Payment settled.
(5)Order completed under our arrangement.
(6)Goods shipped as per contracted term.
(7)Goods arrive at local port or warehouse, depending on contracted term.
(8)Support & re-ordering.


Trade Terms:

(1)Payment: T/T, L/C, Western Union, ESCROW, Paypal.
(2)Production lead time: within 2 weeks after your final confirmation.
(3)Shipping methods: by air, by sea, by courie(FEDEX/DHL/EMS)
(4)FOB dhipping port: Bejing, Tianjin, Shanghai, Hangzhou, Xiamen, Guangzhou

(4)CIP/CIF distination port: all over the world's main airport/seaport. 



5. How Sinoway control the quality?

Quality Guarantee:

Because herbal extract products are enterprise standard, always we will send typical samples (usually 20g) for your testing by FEDEX/DHL/EMS.

** If the quality is confirmed by you, we insist on batch sample confirmation after your commercial order.

** If your testing result is different from us. We hope to exchange and unify the testing mothod, until the quality is confirmed by you.  We also insist on batch sample confirmation after your commercial order.



Please kindly check the packages after you receive the goods, if you got wrong products/ quality problem/ short quantity, please get back to us as priority. Please note that you need to send us pictures of the defective items concerning this, and we will consider to replace or refund accordingly.



(1)No manufacturers had Chinese GMP for most herbal extract products, except milk thistle extract, ginkgo biloba extract, licorice extract, etc.

(2)Our manufacturer had nsf-GMP, ISO, HACCP, Kosher and HALAL for most of the herbal extract products.

(3)For some products, such as aloe vera extract, stevia extract, etc. Our manufacturer had organic certificate.



6. Sinoway's Service and Advantage


(1)Your inquiry related to our product & price will be replied within 24hours.
(2)Well-trained & experienced staff are to answer all your inquiries in English of course.
(3)Working time: 8:00am - 24:00pm, Monday to Sunday (UTC+8).
(4)OEM & ODM projects are highly welcomed. We have strong R&D team here to help.
(5)Your business relationship with us will be confidential to any third party.
(6)Good after-sale service offered, please get back if you got question.



(1)12 years membership of ALIBABA. ----- Onsite check and Supplier assessment

(2)Certified by ISO9001:2008, SGS and Bureau Veritas.

(3)30+ years and professional experience in herbal extract products.

(4)China office of Fischer Chemicals AG (Switzerland).



7. Production Process

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