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Herbal Extract Giant Knotweed Extract Powder 20: 1/ Polygonum Cuspidatum Extract with 50% Resveratrol
Herbal Extract Giant Knotweed Extract Powder 20: 1/ Polygonum Cuspidatum Extract with 50% Resveratrol
Herbal Extract Giant Knotweed Extract Powder 20: 1/ Polygonum Cuspidatum Extract with 50% Resveratrol
Herbal Extract Giant Knotweed Extract Powder 20: 1/ Polygonum Cuspidatum Extract with 50% Resveratrol
Herbal Extract Giant Knotweed Extract Powder 20: 1/ Polygonum Cuspidatum Extract with 50% Resveratrol
Herbal Extract Giant Knotweed Extract Powder 20: 1/ Polygonum Cuspidatum Extract with 50% Resveratrol

Herbal Extract Giant Knotweed Extract Powder 20: 1/ Polygonum Cuspidatum Extract with 50% Resveratrol

Min.Order: 1
Product origin: Changsha, Hunan, China
Infringement complaint: complaintComplaint
US$ 1 ~ 10

Description
Product Description:
Product Name:Giant knotweed extract resveratrol/polygonum cuspidatum extract resveratrol/giant knotweed
Plant Source: root 
Specification:  Resveratrol 40%-98%
Latin name:Polygonum cuspidatum      
Appearance: Brown powder
Test Method: HPLC/UV/TLC

Description:
Resveratrol is a naturally occurring phytoalexin produced by some higher plants in response to injury or fungal infection. Phytoalexins are chemical substances produced by plants as a defense against infection by pathogenic microorganisms, such as fungi. Alexin is from the Greek, meaning to ward off or to protect. Resveratrol may also have alexin-like activity for humans. Epidemiological, in vitro and animal studies suggest that a high resveretrol intake is associated with a reduced incidence of cardiovascular disease, and a reduced risk for cancer.

 
Function:
1. Anti-cancer
2. Effect on cardiovascular system
3.Antibacterial and antifungal
4.Nourish and protect liver
5. Antioxidant and quench free-radicals
6.Impact on the metabolism of osseous issue


Application:
1.Applied in the food field,
2.Applied in the health product field
3.Applied in the pharmaceutical field



COA:

Item Specification  Results Methods
Marker compoundResveratrol 50%50.32%HPLC
Marker compoundEmodin <5%3.76%HPLC
Appearance & ColorYellow BrownConformGB5492-85
Odor & Taste CharacteristicConformGB5492-85
Plant Part Used RootConform 
Extract Solvent  EthanolConform 
Bulk Density0.4-0.6g/ml0.50g/ml 
Mesh Size 80100%GB5507-85
Loss on Drying  ≤5.0%3.41%GB5009.3
Ash Content  ≤5.0%3.32%GB5009.4
Solvent Residue NegativConformGC(2005 E)
Heavy Metals
Total Heavy Metals  ≤10ppm3ppmAAS
Arsenic (As)   ≤1.0ppm0.15ppmAAS(GB/T5009.11)
Lead (Pb)  ≤1.5ppm0.7ppmAAS(GB5009.12)
Cadmium  <1mg/kgNot DetectedAAS(GB/T5009.15)
Mercury ≤0.3ppmNot DetectedAAS(GB/T5009.17)
Microbiology 
Total Plate Count  ≤1000cfu/g<100GB4789.2
Total Yeast & Mold ≤25cfu/g<10GB4789.15
E. Coli ≤40MPN/100gNot DetectedGB/T4789.3-2003
Salmonella Negative in 25gNot DetectedGB4789.4
Staphylococcus Negative in 10gNot DetectedGB4789.1
Packing and Storage 25kg/drum Inside: Double-deck plastic bag, Outside: Neutral cardboard barrel & Leave in the shady and cool dry place
Shelf Life 3 Years When Stored properly
Expiration Date 3 Years

 

 

 Services:
1. Any inquiries will be replied within 12 hours.

2. Dedication to quality, supply & service.
3. Strictly on selecting raw materials.
4. OEM/ODM Available.
5. Reasonable & competitive price, fast lead time.
6. Sample is available for your evaluation & Formulation development.
7. Faster delivery:Sample order in stock and 3-7 days for bulk production.
8. We have strong cooperation with DHL,UPS, FEDEX, EMS. Or you also can choose your own shipping forwarder.

Advantage:
1.More than 10 years experiences, Leading plant extract industry in China;
2.Own GAP planting bases & GMP factory;
3.Top quality, Competitive price, Best service;
4.Highly motivated and dedicated staff with only one goal "to achieve excellence";
5.Supplied more than 500 kinds of standard herbal extracts and 900 kinds of botanical extracts.


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