Alpha arbutin is a chemical substance. Alpha arbutin is similar to arbutin, which can inhibit the production and deposition of melanin and remove stains and freckles. Studies have shown that Ursin can inhibit the activity of tyrosinase at a relatively low concentration, and its inhibitory effect on tyrosinase is better than that of arbutin. Alpha-arbutin can be used in cosmetics as a whitening agent.
1.Alpha arbutin powder can protect the skin against damage caused by free radicals. have the function of anti-aging; Alpha arbutin powder can protect the skin against damage caused by free radicals. have the function of anti-aging;
2.Alpha arbutin powder is a skin whitening agent;
3.Alpha arbutin powder inhibits the formation of melanin pigment by inhibiting Tyrosinase activity.
| Product Name: | Alpha Arbutin | Manufacture Date: | 2023-04-17 | |||
| Batch No.: | Ebos-230417 | Test Date: | 2023-04-17 | |||
| Quantity: | 25kg/Drum | Expiration Date: | 2025-04-16 | |||
| ITEMS | STANDARD | RESULTS | ||||
| Assay | ≥99% | 99.99% HPLC | ||||
| Appearance | White crystalline powder | Conforms | ||||
| Hydroquinone | Negative | Negative | ||||
| Melting Point | 203-206(±1)℃ | 203.9-205.6 ℃ | ||||
| Specific Optical Rotation | [a]20D= + 174.0°- +186.0° | +179.81° | ||||
| Solubility | Soluble in water, slightly soluble in ethanol | Conforms | ||||
| Clarity | Solution should be clarify, none suspended matters | Conforms | ||||
| PH(1% water solution) | 5.0-7.0 | 6.3 | ||||
| Loss on drying | ≤0.5% | 0.01% | ||||
| Residue on Ignition | ≤0.5% | 0.01% | ||||
| Heavy Metals | ||||||
| Heavy metals | ≤10ppm | Conforms | ||||
| Lead | ≤2ppm | Conforms | ||||
| Arsenic | ≤2ppm | Conforms | ||||
| Mercury | ≤1ppm | Conforms | ||||
| Total Plate Count | ≤100cfu/g | Conforms | ||||
| Total Yeast & Mold | ≤50cfu/g | Conforms | ||||
| E.Coli | Negative | Negative | ||||
| Salmonella | Negative | Negative | ||||
| Staphylococcus | Negative | Negative | ||||
| Conclusion | Conform to the specification of the requirement | |||||
| Storage | Store in a cool and dry place, keep away from direct strong and heat. | |||||
| Shelf Life | Two years if sealed and store away from direct sun light. | |||||
| Tester | 01 | Checker | 06 | Authorizer | 05 | |
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