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| Product Name | Melatonin | CAS:73-31-4 |
| Items Tested | Specification | Result |
| Assay( HPLC ) | 99.0-102% | 99.56% |
| Description | White or almost white, crystalline powder or colorless crystals. |
White crystalline powder |
| Identification | IR & UV | Confirm |
| Melting point | 116-120 °C | 117.2-117.8 °C |
| Loss on drying | < 0.5% | 0.18% |
| Residue on ignition | < 0.1% | 0.07% |
| Related substances | < 0.1% | confirm |
| Heavy metal | < 10 ppm | 0.8 ppm |
| total viable count | < 3000cfu/g | confirm |
| yeast and moulds | < 300cfg/g | confirm |
| e. coli | Absence/g | confirm |
| salmonella | Absence/25g | confirm |
Jining Hengkang Biomedical Co., Ltd. is located in the bank of the Beijing-Hangzhou Grand Canal, the hometown of the great ancient Chinese thinker and educator Confucius - Jining, is a collection of scientific research, production, sales in one of the health industry companies. Hengkang Biological Medicine was registered in 2005, with nearly 20 years of research and development, production, management and sales experience, now has a number of modern tablets, granules, powder, soft capsules, liquid drinks and cosmetics: Water, milk, cream, cream, facial mask and other GMP certification production lines and a number of national food health word approval number, SC, national makeup special brand, etc. Committed to the ancient Chinese dietary nutrition, medicine and food homology theory combined with modern science and technology, to develop special medical and special food preparation, health food, remote mobilization of special food, plant extraction, medicine and food homology, new resources, medical devices, cosmetics, liquid drinks, Chinese medicine fermentation extraction research and development production...
Company according to the market need development and production of constant calcium vitamin D series, board series, the series of yi xue kang blood zinc supplementation D hin, meal times, vitamin series, series of effervescent tablets, collagen peptide series, coffee, meal, fruit and vegetable series, the series of rose oil soft capsule, plants drink enzyme series, the series of Chinese wolfberry concentrate, sodium hyaluronate, yam solomonseal, sea cucumber Peptide series, vinegar egg series and cosmetic water series, emulsion series, essence series, cream series, wash and care series, isolation series, lyophilized powder series, stock liquid medical beauty series and more than 500 series of products, to meet different customer groups
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