Shaanxi, China
Business Range:
Agriculture & Food, Chemicals, Health & Medicine
Management System Certification:
ISO 9001, ISO 9000, ISO 20000, QSR
Export Year:
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
Average Lead Time:
Peak season lead time: within 15 workdays
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available

Resveratrol, Polygonum Cuspidatum Extract, Plant Extract manufacturer / supplier in China, offering High Quality 100% Natural Plant Extract Resveratrol Powder, Factory Supply Paeoniflorin for Peony Extract, 100% Oorganic Instant Papaya Juice Powder for Beverage and so on.

Gold Member Since 2015
Supplier Homepage Products Male health High Quality 100% Natural Plant Extract Resveratrol Powder

High Quality 100% Natural Plant Extract Resveratrol Powder

Purchase Qty. / Reference FOB Price
1-4 kg US $35
5-24 kg US $30
25+ kg US $25
Port: Qingdao, China
Production Capacity: 9000tone
Payment Terms: T/T, Western Union, Paypal, Money Gram
Certification: ISO
Application: Medicinal, Food, Beauty, Edible
Color: Brown Yellow
MOQ: 1kg
Sample: Available
OEM: Yes

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Basic Info.

Model NO.
Packaging Material
Cardboard-Drums and Two Plastic Bages
Storage Method
Cool&Dry Sealed Container
Extraction Process
Raw Material
Transport Package
25kg/Drum, Two Plastic Bags in Side
Xian Shaanxi
HS Code
roduct nameNatural Resveratrol Partroot
IngredientResveratrolAppearanceLight yellow or white fine powder
CAS No.501-36-0 
Molecular formulaC14H12O3
Molecular weight228.24
SpecificationResveratrol 50%, 98%, 99%
Test methodHPLC
Extraction typeSolvent extractionGradePharmaceutical and food
StorageStored in a clean, cool, dry area; keep away from strong, direct light.
Shelf life2 years.DeliveryWithin 3 days after payment.
IntroductionPolygonum cuspidatum, one of its original growth in East Asia and is widely distributed in China. Polygonum cuspidatum traditional medicine in China and Japan for the treatment of a variety of ailments by polygonum cuspidatum,including fungal infections, a variety of skin inflammation, cardiovascular disease and liver disease.Xi'an Rongsheng Biotech is a leading producer of resveratrol in China,Resveratrol is the the Polygonum cuspidatum main functional ingredients. Studies have shown that resveratrol showed extensive antioxidant properties, such as LDL cholesterol oxidation and lipid peroxidation. Resveratrol show to the help cardiovascular health and promoting blood circulation, relieve pain, heat dehumidification, detoxification. Other ingredients include Dan, anthrone, emodin and rhein have anti-inflammatory, cured arthritis and anti-microbial activity.
Function1.Resveratrol has the function of antipyretic and analgesic effect.
2.Resveratrol is effective on anti-cancer, anti-mutagenic capacity.
3.Resveratrol can prevent heart and liver damage.
4.Resveratrol is helpful to antithrombotic.
5.Resveratrol can be used to enhance immune system activity in the wound treatment.
6.Resveratrol is natural antioxidant ,and impacts on the metabolism of osseous issue.
Application1.Applied in food field, resveratrol is used as food additive with the function of lengthening life.
2.Applied in pharmaceutical field, resveratrol is frequently used as medicine supplement and
owns good efficacy for treatment of cancer and cardio-cerebrovascular disease.
3.Applied in cosmetics, resveratrol can delay aging and prevent UV radiation.
Package1kg with double plastic container inside/Aluminum foil bag outside. 
25kg with double plastic container inside/Fiber drum outside.
Or it's at your option.
ItemSpecificationMethod                                       Result
Physical Property  
AppearanceFine PowderOrganoleptic                                Conforms
ColorWhiteOrganoleptic                                Conforms
OdourCharacteristicOrganoleptic                                Conforms
Mesh Size100% through 80 mesh sizeUSP32<786>                               Conforms
General Analysis  
Resveratrol (trans)
Loss on Drying
Identical to R.S. sample
Ash                    ≤5.0%Eur.Ph.6.0[2.4.16]        3.02%
Pesticides ResidueMeet USP32<561>USP32<561>                              Conforms
Lead(Pb)≤3.0mg/kgEur.Ph6.0<2.2.58>ICP-MS      1.8
Arsenic(As)≤2.0mg/kgEur.Ph6.0<2.2.58>ICP-MS      1.5
Cadmium(Cd)≤1.0mg/kgEur.Ph6.0<2.2.58>ICP-MS      0.6
Mercury(Hg)≤0.1mg/kgEur.Ph6.0<2.2.58>ICP-MS     0.03
Total Plate Count≤1000cfu/gUSP30<61>                 112
Yeast &Mold≤100cfu/gUSP30<61>                  37
E.Coli.NegativeUSP30<62>             Conforms
SalmonellaNegativeUSP30<62>             Conforms
Packing & Storage
-25kg/drum, packing in drums and two plastic bags inside .
-Store in a well-closed container Away from moisture


3-6 working days after payment confirmed.

1. How to Contact Us?
1. You can chat with us via Trade Manager online.
2. You can choose your interested products and send us inquiry here.
3. You can dial our telephone directly, and you will get our reply immediately.
2. How to confirm the Product Quality before placing orders?
1. If stock specifications, you can get free samples from us, and you only need to pay the express fee or arrange a courier to us and take the samples.
2. If OEM products, we will manufacture the products according to your specifications and requests, then send to you to confirm
3. How to start order with us?
We will send your Performa Invoice after confirming each other. You will get our bank information. 
4. Can I make a small order? 
1.Yes, Our Mininum Order is 1kg, and it will be packed in the small bag, Alunium foil bag, sealed. 
2. You can choose to pay via paypal, or other online pay method.
5. How many days the small order would arrive? 
1. By DHL, Fedex, TNT, UPS, in 5-7 days
2. By EMS, in 10-15days
6. How is the after sales service?
- Customers' Benefits as Our Working Goal and Reliable Quality as our Surviving Base
- Customer Feedback is the source of our Business
- Customer Recognition is the powder of our Service
- We seriously promise here all of the products from RD Health Ingredients will definitely 101% top quality.
- If not, 100% refundable and offer compensation at once.

Company information
Xian Tianrui biotech Co., Ltd is a research and development, production and trade into an integrated enterprise, and its main products are all kinds of plant extracts. The products are raw materials for. Functional food, nutritional supplements, medicaments, cosmetics and so on. The company with excellent product quality, high business reputation, strong technical force, perfect quality assurance system, flexible operational mechanism, is deeply welcome among domestic and foreign merchants. 

We are adhering to the business philosophy of "customer first, forge ahead" and insist "customer first" principle to provide our clients with quality services. We believe that quality is the life of our company. So We manufacture our products in strict quality management system during the whole entire production process. Sinuote people warmly welcome domestic and foreign friends cooperate with us.

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