Polygonum 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.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.
Resveratrol (trans-3,5,4'-trihydroxystilbene), belongs to a class of polyphenolic compounds called stilbenes , can inhibit the oxidation of low-density lipoprotein(LDL).
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.
ITEMS |
SPECIFICATION |
RESULTS |
METHOD |
APPEARANCE |
WHITE or off white powder |
Off white powder |
Visual |
MELTING POINT |
258-263 º C |
260.1-263.1 º C |
Ch.p2015 2 Appendix |
ASSAY(HPLC) |
≥99% |
99.85% |
HPLC |
LOSS ON DRYING |
≤0.5% |
0.11% |
Ch.p2015 2 Appendix |
MOISTURE CONTENT |
≤0.5% |
0.06% |
GB 5009.3 Karl Fiscoher method |
HEAVY METALS |
≤10ppm |
Conforms |
GB 5009.74 |
AR-SENIC |
≤2.0ppm |
Conforms |
BS EN ISO 17294-2 2016 |
C-ADMIUM |
≤1.0ppm |
Conforms |
|
LEAD |
≤2.0ppm |
Conforms |
|
M-ERCURY |
≤0.1ppm |
Conforms |
BS EN 13806:2002 |
Total Plate Count |
≤1000CFU/G |
Conforms |
ISO 4833-1:2013 |
Mold and Yeast |
≤100CFU/G |
Conforms |
ISO21527:2008 |
E.coli |
Not-detected |
Conforms |
ISO 7251:2005 |
Salmonella |
Not-detected |
Conforms |
ISO 6579-1:2023 |
8.FAQ
Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within
24 hours.