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Appearance:
Red-brownish powder
Identification:
Positive reaction
Product specification:
| Item |
Index |
| Proanthocyanidins |
% ≥ |
90.0 |
 |
≥ |
150 |
| pH |
|
2.5-4.5 |
| Loss on drying |
% ≤ |
5.0 |
| Sulphated ash |
% ≤ |
0.5 |
| Heavy metals |
ppm ≤ |
10 |
| Iron |
ppm ≤ |
10 |
Solvents :
| Ethyl acetate |
Negtive |
| Chloroform |
Negtive |
| Toluene |
Negtive |
| n-Butanol |
Negtive |
| Acetate |
Negtive |
| Ethanol |
<500 ppm |
Microbial characteristics:
| Total plate unite |
<1000unites/g |
Yeast and mold |
<50units/g |
| Salmonella |
Negtive |
E.coll |
Negtive |
Usage:
As a dietary supplement, pine bark is rich in oligo-polyphenols, specifically proanthocyanidins (OPC) biologically-active flavonoids, it is a potent free radical scavenger, and strong antioxidant.
Packaging and storage:
Preserve in tight, light-resistant container, store in cool place, do not freeze.
20 kg / drum, or according to order.
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