Item | | Specification(BP 2004/ USP 29 / FCC V) | Name | Ascorbic Acid | CAS No. | 50-81-7 | Formula | C6H88O6 | Appearance | White crystalline powder | Assay(on dry basis) | 99.0 - 100.5% | Melting point | 190OC | Identification | Positive reaction | Specific rotation | +20.5 --- +21.5o | PH value | 2.1 - 2.6 | Clarity of solution | Clear | Organic volatile impurities | Conforms | Heavy metals(as Pb) | 10 ppm max | Copper | 5 ppm max | Iron | 2 ppm max | Residue on ignition | 0.1% max | Oxalic Acid | 0.2% max | Functional use | Antioxidant | Ascorbic Acid, also known as Vitamin C, is a vitamin which human body can not produce on its own. It can be used as antioxidants. Antioxidants are food ingredients and food additives that act as preservatives by inhibiting the effects of oxygen on food, and can be beneficial to health. And food ingredients, food additives become more and more important in our daily life.Main physiological functions of Ascorbic Acid:1. To facilitate the biosynthesis of ossein and accelerate the healing of wounds. 2. To play an important role in the metabolism of tryptophan and tyrosine, which can prolong the life of the body. 3. Could improve the utilization of the iron, calcium and folic acid. 4. To improve the metabolism of fats, lipoid and cholesterol, which can prevent cardiovascular disease.5. Besides accelerating the growth of teeth and bone, Ascorbic Acid also can prevent the bleeding of the gum.6. It can enhance the body's anti-stress and immunity to the outside environment. |
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