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Product Name | Usnic Acid |
Other Name | Lichen Extract,Lichen Usnea Extract |
Part Use | Leaf |
Specification | 98% |
Package | 1kg/bag,25kgs/drum |
MOQ | 1KG |
Shelf Life | 2 Years |
Storage | Cool Dry Place |
Test Method | HPLC |
Product Name | Lichen Usnea Extract | ||
Botanical Name | Usnea diffracta Vain. | ||
Used Part | Leaf | ||
Test Items | Specifications | Test Methods | |
Assay | ≥98.0% Usnic Acid | HPLC | |
Appearance | Light Yellow Crystallin Powder | Visual | |
Odor and Taste | Characteristic | Organoleptic | |
Sieve analysis | Through 80 mesh | 80 Mesh Screen | |
Loss on Drying | ≤5.0 % | 105℃/2 hrs | |
Total Ash | ≤5.0 % | GB 5009.4-2016 | |
Bulk Density | 40~60g/100mL | GB/T 18798.5 | |
Tap Density | 50~80g/100mL | GB/T 18798.5 | |
Lead (Pb) | <3.0mg/kg | ICP-MS | |
Arsenic (As) | <2.0mg/kg | ICP-MS | |
Cadmium (Cd) | <1.0mg/kg | ICP-MS | |
Mercury (Hg) | <0.1mg/kg | ICP-MS | |
Total Aerobic Count | ≤1000cfu/g | GB 4789.2 | |
Yeast & Moulds | ≤100cfu/g | GB 4789.15 | |
E-Coli | Negative | GB 4789.3 | |
Salmonella | Negative | GB 4789.4 | |
Staphylococcus Aureus | Negative | GB 4789.10 |
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