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Specifications
St John's Wort P.E.
purity quotient:0.3%
form:powder..
with good price and excellent quality...
St John's Wort P.E.
|
Quality Standard |
||
|
Test Items |
Methed |
Result |
|
Physical |
||
|
Appearance |
Visual |
Dark Brown powder |
|
Mesh |
80 Mesh Screen |
100% through 80 mesh |
|
Chemical |
||
|
Hypericin |
By UV |
0.32% |
|
Lose on drying |
5g/105°C/2h |
3.62% |
|
Residue on ignition |
YB/T 5082-2005 |
4.30% |
|
Pb |
Atomic Absorption |
<1.0mg/kg |
|
As |
Atomic Absorption |
<1.0mg/kg |
|
Microbiological (Culture Medium Method) |
||
|
Total Plate Count |
<1000cfu/g |
Conform |
|
Yeast&Mold |
<100cfu/g |
Conform |
|
E.Coli |
Negative |
Conform |
|
Salmonella |
Negative |
Conform |
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