[Description]:Reddish-brown Power
[Identification]:Show the same reaction as that in the standard
[Inspection]
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 PASS
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 E.coli Negative