Why us?
● Made in China, using own planted raw material to make premium products
● Fast lead times
● 9 – step quality control process
● Highly experienced operations and quality assurance staff
● Stringent in-house testing standards
● Warehouse both in USA and China, fast response
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.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 |