
Product Name: Giant Knotweed Extract
Botanical Name: Polygonum Cuspidatum
Part Used: Root
Specification:
10%--98% Resveratrol;
20%-99% Polydatin
Acetyl-resveratrol 98%
Test method: HPLC
Appearance: Brown yellow or white fine powder
CAS No.: 501-36-0
Molecular Formula: C14H12O3
Molecular Weight: 228.25
Brand: Hunan Nutramax Inc.
INTRODUCTION:
Huzhang ("tiger cane") or giant knotweed is an east Asian species (Polygonum cuspidatum), belonging to the Polygonaceaefamily. Documented uses in traditional Chinese medicine date to the first century BC, and contemporary medical uses supported by clinical results include acute microbial infections or viral hepatitis, chemo- or radiation-induced leukocytopenia, atherosclerosis, and hyperlipidemia.
Resveratrol can be produced from polydatin fermented by Aspergillus oryzae. That's why people call polydatin as the precursor of resveratrol. This latter species produces a piceid-b-D-glucosidase.
Trans-piceid is the glucoside formed with trans-resveratrol, while cis-piceid is formed with cis-resveratrol. Trans-resveratrol-3-O-glucuronide is one of the two metabolites of trans-piceid in rat.
FUNCTION:
Function of Resveratrol
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 food field, it's used as food additive with the function of lengthening life.
2. Applied in pharmaceutical field, it is frequently used as medicine supplement or OTCs ingredients and owns good efficacy for
treatment of cancer and cardio-cerebrovascular disease.
3. Applied in comestics, it can delay aging and prevent UV radiation.
Packing:
- Delivery Time: Around 3-5 workdays after your payment.
- Package: In fiber-drums with two-plastic bags inside.
- Net Weight: 25kgs/Drum / Gross Weight: 28kgs/Drum
- Drum Size & Volume: I.D.42cm × H52cm, 0.08 m³/ Drum
- Storage: Stored in dry and cool place, keep away from strong light and heat.
- Shelf Life: Two years when properly stored.
Shipping:
- 1, DHL Express, FEDEX and EMS for quantity less than 50KG, usually called as DDU service;
- 2, Sea shipping for quantity over 500KG; and air shipping is available for 50KG above;
- 3, For high value products, please select air shipping and DHL express for safe;
- 4, Please confirm if you can make the clearance when goods reach your customs before placing an order, for buyers from Mexico, Turkey, Italy, Romania,Russia, and other remote area.

Advantages:
- More than 10 years experiences, Leading plant extract industry in China;
- Own GAP planting bases & GMP factory;
- Top quality, Competitive price, Best service;
- Highly motivated and dedicated staff with only one goal "to achieve excellence";
- Supplied more then 200 kinds of standard herbal extracts and 900 kinds of botanical extracts.

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