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Contact Supplier
| Changsha Staherb Natural Ingredients Co., Ltd., | |
|---|---|
| Country: | China |
| Tel: | 86-731-84213302 |
| Mobile: | 18374838656 |
| E-mail: | info@staherb.cn |
| QQ: | |
| Skype: | Chat Now! |
huperzia serrata extract
Release time: 2023-08-15
Specification
|
Product Name
|
huperzia serrata extract
|
|
Specification
|
huperzine a 1%-99%
|
|
Active ingredient
|
huperzine
|
|
Appearance
|
white to brown yellow fine powder
|
|
Test Method
|
HPLC
|
|
Storage
|
in cool dry place, away from light, wet and heat
|
|
Shelf Life
|
24 months when properly stored
|
Certificate of Analysis
|
Analysis
|
Specification
|
Results
|
|
Assay（HPLC）
|
≥99%
|
99.05%
|
|
Appearance
|
White crystalline powder
|
Complies
|
|
Extract Solvents
|
Soluble in Methanol;
Partly soluble in Ethanol; Insoluble in water |
Complies
|
|
Alkaloid identification
|
Positive reaction
|
Complies
|
|
HPLC identification
|
The retention time of sample consistents with that of the reference in the HPLC map
|
Complies
|
|
Related substances
|
Totle area of impurities in the test solution must be less then the area of main leap in the reference solution
|
Complies
|
|
Ash
|
≤5.0%
|
3.8%
|
|
Moisture
|
≤5.0%
|
2.5%
|
|
Pesticides
|
Negative
|
Complies
|
|
Heavy metals
|
≤10ppm
|
Complies
|
|
As
|
≤2.0ppm
|
Complies
|
|
Odor
|
Odorless and Bitter taste
|
Complies
|
|
Particle size
|
100% through 80 mesh
|
Complies
|
|
Microbioiogical ：
|
||
|
Total of bacteria
|
≤1000cfu/g
|
Complies
|
|
Fungi
|
≤100cfu/g
|
Complies
|
|
Salmgosella
|
Negative
|
Complies
|
|
Coli
|
Negative
|
Complies
|
|
Storage Store in cool & dry place. Do not freeze.
Keep away from strong light and heat. Shelf life 2 years when properly stored |
||