Customization: | Available |
---|---|
Powder: | Yes |
Customized: | Non-Customized |
Still deciding? Get samples of US$ 250/kg
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Product name: Resveratrol powder
Source: Extracted from Polygonum cuspidatum/Grape skin/Synthetic
CAS NO.: 501-36-0
Specification: 5%-99%
Molecular formula: C14H12O3
Molecular Weight: 228.25
Appearance: Off-white powder(98% and 99%),Red powder(5%)
Item
|
Specifcation
|
Testing
|
Assay Content % by HPLC
|
≥99%
|
99.74%
|
Characters
|
Powder
|
Complies
|
Color
|
White or off-white
|
Complies
|
Odour
|
Characteristic
|
Complies
|
Mesh
|
100
|
Complies
|
Melting point
|
258~263ºC
|
261~263ºC
|
Loss on drying %
|
≤0.5
|
0.08
|
Pesticides
|
Negative
|
Negative
|
Ash %
|
≤1.0
|
0.4
|
Heavy metals PPM
|
≤10
|
Complies
|
As
|
<2ppm
|
Complies
|
Pb
|
<2ppm
|
Complies
|
cd
|
<1ppm
|
Complies
|
Total Plate Count
|
<1000cfu/g
|
Complies
|
Yeast & Mold
|
<100cfu/g
|
Complies
|
E.Coli
|
Negative
|
Complies
|
S.Aureus
|
Negative
|
Complies
|
Salmonella
|
Negative
|
Complies
|
Conclusion
|
Conforms with enterprise standard
|
Function
1.Are you a manufacturer or trade company?