Polygonum cuspidatum P.E.

Polygonum cuspidatum P.E.
Aactive ingredient:Polydatin & Resveratrol
content:[20%-80%]
detection method:HPLC

Molecular formula: C14H12O3
Molecular weight: 228.24
CAS No.: 501-36-0
Melt Point: 253∼257
Solubility: Poor solubility in water, soluble in aether, chloroform, ethanol, acetic acid and acetone.
Appearance: Fine crystal powder
Color: White
Specific Rotation [α]: -77.5° (c=0.2, EtOH)
What is resveratrol:
Resveratrol (trans-3,5,4'-trihydroxystilbene), belongs to a class of polyphenolic compounds called stilbenes , found largely in the skins of red grapes and root of Polygonum cuspidatum Sieb. et Zucc ( Japanese knotweed), is a component of Ko-jo-kon, an oriental medicine used to treat diseases of the blood vessels, heart and live.. Resveratrol is a fat-soluble compound that occurs in a trans and a cis configuration (see figure 1). Both cis- and trans-resveratrol also occur as glucosides (bound to a glucose molecule). Resveratrol-3-O-beta-glucoside is also called piceid.
Sources
While present in other plants, such as eucalyptus, spruce, and lily, and in other foods such as mulberries and peanuts, resveratrol's most abundant natural sources are Vitis vinifera, labrusca, and muscadine grapes, Polygonum cuspidatum Sieb.
Cardiovascular Effects
Many studies suggest that consuming alcohol (especially red wine) may reduce the incidence of coronary heart disease (CHD). Several studies have demonstrated that resveratrol is an effective antioxidant. It inhibits lipid peroxidation of low-density lipoprotein (LDL), prevents the cytotoxicity of oxidized LDL, and protects cells against lipid peroxidation.
packaging :Depending on clients' requirements