China High Quality L-Threonine Supplier - Huperzia Serrate Plant Exrtact – Huperzine A – COLORKEM
China High Quality L-Threonine Supplier - Huperzia Serrate Plant Exrtact – Huperzine A – COLORKEM Detail:
Products Description
Huperzine A is a naturally occurring sesquiterpene alkaloid compound found in the firmoss Huperzia serrata, and in varying quantities in other Huperzia species, including H. elmeri, H. carinat,and H. aqualupian.
HuperzineA has been investigated for its potential as a medicine for helping people with neurological conditions such as Alzheimer’s disease.
Specification
Huperzine A 1
| ITEM | STANDARD |
| Assay | Huperzine A NLT 1.0% |
| Appearance | Brownish yellow to brown powder |
| Odor&Taste | Characteristic |
| Loss on Drying | NMT 5.0% |
| Insoluble Ash | NMT 1.0% |
| Sieve Analysis | NLT 95% pass 80 mesh |
| Irradiation Status | Non Irradiated |
| Heavy metals | NMT 20ppm |
| Lead (Pb) | NMT 3ppm |
| Arsenic (As) | NMT 2ppm |
| Cadmium(Cd) | NMT 0.3ppm |
| Mercury(Hg) | NMT 0.2ppm |
| BHC | NMT 0.1ppm |
| DDT | NMT 0.1ppm |
| PCNB | NMT 0.1ppm |
| Aflatoxin | NMT 5ppb |
| Total Plate Count | NMT 1,000Cfu/g |
| Total Yeast&Mold | NMT 100Cfu/g |
| E.Coli. | Negative |
| Salmonella | Negative |
| Coliforms | =<3cfu/g |
| Staphylococcus | Negative |
Huperzine A 2
| ITEM | STANDARD |
| Appearance | Off White Fine Powder |
| Assay(HPLC) | 99.0% Min |
| Particle size | 100% pass 80 mesh |
| Loss on drying | 3% Max |
| Ash | 3% Max |
| Heavy metals | 10 ppm Max |
| As | 2 ppm Max |
| Total Plate Count | 1000cfu/g Max |
| Yeast and Mold | 100cfu /g Max |
| Salmonella | Negative |
| E.coil | Negative |
Product detail pictures:
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By Frederica from New York - 2018.06.12 16:22
This company can be well to meet our needs on product quantity and delivery time, so we always choose them when we have procurement requirements.
By Muriel from Guatemala - 2018.10.31 10:02
