| Customization: | Available |
|---|---|
| Powder: | Yes |
| Customized: | Customized |
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4-methyl umbels ketone, also known as hydroxymethylcoumarin and cholantong, is a new gallbladder medicine, a derivative of coumarin, white or white crystalline powder at room temperature, odorless, tasteless. Insoluble in water, slightly soluble in , ethanol, solution, on biliary sphincter diastolic function, have stronger antispasmodic and analgesic action, at the same time also can moderate, continuously promote bile secretion, strengthen the gallbladder contraction and bacteriostasis, have obvious cholagogic effect, calculous eduction, had a row of stone effect of common bile duct calculi
| Items | Specification | Result |
| Diosgenin | 4-Methylumbelliferone 98% | Conforms |
| Organoleptic | ||
| Appearance | Fine Powder | Conforms |
| Color | Off white powder | Conforms |
| Odor | Characteristic | Conforms |
| Taste | Characteristic | Conforms |
| Drying Method | Vacuum drying | Conforms |
| Physical Characteristics | ||
| Particle Size | NLT 100% Through 80 mesh | Conforms |
| Loss on Drying | <=12.0% | 10.60% |
| Ash (Sulphated Ash) | <=0.5% | 0.16% |
| Total Heavy Metals | ≤10ppm | Conforms |
| Neodiosmin | ≤2% | 0.12% |
| Naringin-dihydrochalcone | ≤2% | 0.41% |
| Anyother impurity | ≤0.5% | 0.21 |
| Total of all impurities | ≤2.5% | 0.74% |
| Microbiological Tests | ||
| Total Plate Count | ≤10000cfu/g | Conforms |
| Total Yeast & Mold | ≤1000cfu/g | Conforms |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |
| Staphylococcus | Negative | Negative |
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