Vitamin C, also known as ascorbic acid and L-ascorbic acid, is a vitamin found in food and used as a dietary supplement. The disease scurvy is prevented and treated with vitamin C-containing foods or dietary supplements. Evidence does not support use in the general population for the prevention of the common cold.There is, however, some evidence that regular use may shorten the length of colds.It is unclear if supplementation affects the risk of cancer, cardiovascular disease, or dementia.It may be taken by mouth or by injection.
Food Grade: Ascorbic acid, Vitamin C sodium, Vitamin C calcium, Vitamin C direct compression
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| Analysis Contents | Analysis Standard | Analysis Results |
| Characteristics | White or almost White crystals Crystalline Powder |
Pass |
| Identification | Positive Reaction | Positive |
| Melting Point | About 190℃ | 190.7℃ |
| PH(5% aqueous solution) | 2.1-2.6 | 2.36 |
| Clarity Of Solution | Clear | Clear |
| Colour Of Solution | ≤BY7 | <BY7 |
| Copper | ≤5ppm | <5ppm |
| Heavy Metals | ≤10ppm | <10ppm |
| Mercury | <0.1mg/kg | <0.1mg/kg |
| Lead | <2mg/kg | <2mg/kg |
| Arsenic | ≤2ppm | <2ppm |
| Oxalic Acid | ≤0.2% | <0.2% |
| Iron | ≤2ppm | <2ppm |
| Impurity E | ≤0.2% | <0.2% |
| Loss on Drying | ≤0.4% | 0.03% |
| Sulphate Ash(Residue On Ignition) | ≤0.1% | <0.1% |
| Specific Optical Rotation | +20.5°–+21.5° | +21.16° |
| Organic Volatile Impurities | Pass | Pass |
| Assay | 99.0% -100.5% | 99.75% |
| Total plate count | ≤1000cfu/g | <100cfu/g |
| Yeasts & molds | ≤100cfu/g | <10cfu/g |
| Conclusion: | The Above-Mentioned Product Conforms To BP2019/USP41 |
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