St.John’s Wort Extract,Hypericin
Hypericum perforatum, known as perforate St John’s- wort, common Saint John’s wort and St John’s wort, is a flowering plant in the family Hypericaceae.
Typical COA: Specification UV0.3%
Analysis |
Specification |
Method |
Assay(Hypericins) |
≥0.30% |
UV |
Appearance |
Dark brown to black Powder |
Visual |
Odor |
Characteristic |
Organoleptic |
Taste |
Characteristic |
Organoleptic |
Sieve Size |
90% pass 80 mesh |
Complies |
Loss on drying |
≤5.0% |
CP2015 |
Total ashes |
≤15.0% |
CP2015 |
Heavy Metals: |
||
Total |
≤20ppm |
CP2015 |
Microbiological Control |
||
Total Plate Count |
NMT1000cfu/g |
CP2015 |
Yeast & Mold |
NMT100cfu/g |
CP2015 |
E.Coli |
Negative |
CP2015 |
Packing and Storage |
|
Packing |
25kgs/drum. Packing in paper-drums and two plastic-bags inside. |
Storage |
Store in a well-closed container away from moisture, sun light, or heat. |
Shelf Life |
2 years. |
Typical COA: SpecificationHPLC0.3% (USP/EP)
Analysis | Specification | Method |
Assay(Hypericins) | ≥0.3% | HPLC-USP |
Hypericins | ≥0.5% | UV |
Appearance | Yellow to brown Powder | Visual |
Identification | Correspond to standard | TLC || USP<201> |
Odor | Characteristic | Organoleptic |
Taste | Characteristic | Organoleptic |
Sieve Size | 90% pass 80 mesh | Analytical sieving || USP <786> |
Loss on drying | NMT 5.00% | USP <731> |
Total Ash | NMT15.00% | USP <561> |
Bulk Density | Between 30-65g/100ml | USP <616> Method I |
Solvent Residues | Ethanol≤2000ppm | USP <467> |
Heavy Metals: | ||
Total | ≤10ppm | USP <231> Method II |
Lead (Pb) | ≤2ppm | ICP-MS |
Cadmium(Cd) | ≤1ppm | ICP-MS |
Mercury(Hg) | ≤0.5ppm | ICP-MS |
Arsenic (As) | ≤1ppm | ICP-MS |
Packing and Storage |
|
Packing |
25kgs/drum. Packing in paper-drums and two plastic-bags inside. |
Storage |
Store in a well-closed container away from moisture, sun light, or heat. |
Shelf Life |
2 years. |