Giant Knotweed Resveratrol 98%

Giant Knotweed Resveratrol is naturally occurring phytoalexin produced by some higher plants in response to injury or fungal in fection. Phytoalexins are chemical substances produced by plants as a defense against in faction 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 resveratrol intake is associated with a reduced incidence of cardiovascular disease, and a reduced risk for cancer.

Resveratrol is extracted from Polygonium cuspidatum and grape skin, its rich with Both cis-resveratrol and trans-resveratrol.

Product Name	Giant Knotweed Extract
Botanical Name	Polygonum Cuspidatum Sieb. et Zucc.
Test Method	HPLC
Used Part	Root
Appearance	White powder
Odor &Taste	Characteristic
Active Ingredient	Resveratrol, Polydatin, Emodin
Resveratrol	CAS NO.	501-36-0
	Molecular Formula	C14H12O3
	Molecular Weight	228.24
	Structure
Polydatin	CAS NO.	65914-17-2
	Molecular Formula	C20H22O8
	Molecular Weight	390.38
	Structure
CAS NO.	501-36-0
Molecular Formula	C14H12O3
Molecular Weight	228.24

Physical Characteristics
Sieve Analysis NLT 100% pass 80 mesh
Loss on Drying ≤4.0%
Ash Content ≤2.0%
Residual Solvents
Ethanol ≤5000ppm
Total Heavy Metals ≤20ppm
Pesticide Residues ≤10ppb
Microbiological Assay
Total Plate Count 1000cfu/g
Total Yeast & Mold 100cfu/g
E.Coli Negative
Salmonella Negative
Staphylococcus Negative

The function of Giant Knotweed Resveratrol used to?

Anti-cancer
Effect on cardiovascular system
Antibacterial and antifungal
Nourish and protect liver
Antioxidant and quench free-radicals
Impact on the metabolism of osseous issue

Application of Giant Knotweed Resveratrol:

Applied in food field, it’s used as the food additive with the function of lengthening life.
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.
Applied in cosmetics, it can delay aging and prevent UV radiation.