Grape Seed Extract Powder

Grape Seed Extract/ grape seed p.e.,excellent quality with competitive price will meet your requirements

PurityProanthocyanide 40%-95%-98% Tested By HPLC
Molecular FormulaC30H26O12
Specification: 95% Proantocyanidins

Appearance: Reddish-brown Power
Identification:Show the same reaction as that in the standard
ITEMS Contracted stipulations RESULTS
1% in water(25) Insoluble5.0% 2.60%
2g in 100ml 5% alcoholic solution Transparent
PH(4% in wate) 2.5-4.5 3.6
Loss on drying 7% 4.50%
Sulphated ash 0.5% 0.20%
Iron 20ppm 20ppm
Arsenic 1ppm 0.5ppm
Heavy metals(Pb) 10ppm 10ppm
Powder size pass 100 mesh
Content(proanthocyanidin) 95.0%(UV) 97.4%
(calculaed on basis of anhydrous)
Polyphenol(Folin c)(Caculated on basis of anhydrous) 80.0%
ORAC value(oxygen radical Absorbance capacity value) 8500 molTE/g
Packing The carton bucket 25kg
Organophosphate N.D.
Organonitrogen N.D.
Carbamater Pesticides N.D.
[Solvents]
Items Results Items Results
Ethylacetate Negative Acetone Negative
N_Butanol Negative Chlorform N
egative
Toluene Negative Ethanol 1000ppm
[Microbial Characteristics]
Items Results Items Results
Total Aerobic <10CFU/g Yeast and Mold <10CFU/g
Salmonella Negative li Negative

Update Date:2011-11-10 22:49:11