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动植物原料和提取物
乳蓟提取物/水飞蓟素
CAS number: 22888-70-6;65666-07-1
Molecular formula: C25H22O10
molecular weight: 482.4362
Chemical structure:

CERTIFICATE OF ANALYSIS
Product Name Milk Thistle Extract Shlef Life 2 years
Items Standards Results
Description Yellowish crystalline powder Comply
Solubility Soluble in acetone and ethanol, insoluble in water Comply
Identification UV:similar to the reference standard Comply
Clarity and color of solution 1% Methanol should be clear Comply
Heavy metal max 10ppm <10ppm
Arsenic ≤1ppm ≤1ppm
Sulfate Ash max 0.6% <0.6%
Loss on drying(2 hours 130℃) max 3.0% 2.5%
ASSAY Silymarin(Dried) min.80% 81.3%
ASSAY Silibinin + Isosilibinin min.30% 32.4%
Residual solvents    
Acetone max.5000ppm Comply
Hexane max.290ppm Comply
Pesticide Residues Complies DAB10 Comply
Microbiological test    
Bacteria max.1000/g Comply
Molds max.100/g Comply
E.coli no No detected
Salmonella no No detected
Conclusion     Comply To DAB10


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