High Quality Resveratrol 20% 50% 85% 98%,China Xi'an Rainbow price supplier

Resveratrol 50%

 

1,Pure Resveratrol Powder 20%-98%
Plant: Giant Knotweed Root
Appearance: Fine brown yellow to white Powder
Test method: HPLC

 

Latin Name: Rhizoma Et Radix Polygoni Cuspidati

 

Used Part: Root & Rhizome of Polygonum Cuspidatum Sieb.

 

CAS No.: 501-36-0

 

Specification: 20%, 50%, 98% Test By HPLC

 

Molecular Formula: C14H12O3

 

Molecular weight : 228.25 

 

 

 

 

 

Introduction:

 

 

 

Resveratrol is 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 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.

 

 

Maker Compounds	50%Resveratrol
Organoleptic
Appearance	Brown  powder
Part Used	Root
Extract solvent	Ethanol
Physical Characteristics
Particle Size	80 mesh
Loss on Drying	5.0%
Ash	4.0%
Heavy metals
Total Heavy Metals	10ppm
Arsenic	3ppm
Lead	3.3ppm
Microbiological Tests
Total Plate Count	1000cfu/g
Total yeast & Mold	100cfu/g
E.Coli	Negative
Salmonella	Negative