Vitamin C is widely known as the vitamin whose deficiency causes scurvy in humans. It is is a vital product of our food additives and food ingredients. Of our food additives and food ingredients, Vitamin C has won a high reputation in China and foreign countries.Main physiological functions of Vitamin C: 1. Vitamin C plays an important role in the biosynthesis of bone collagen, which can accelerate the healing of wounds.2. Vitamin C can promote the metabolism of tryptophan and tyrosine, prolonging the life of the body.3. Vitamin C can improve the utilization of the iron, calcium and folic acid. 4. Vitamin C can improve the metabolism of fats, lipoid, and especially cholesterol, which can prevent cardiovascular disease. 5. Vitamin C also can accelerate the growth of bones and teeth, preventing the bleeding of gums. 6. Vitamin C also can enhance body's anti-stress and immunity against the outside environment.
ITEMS
Specifications
Appearance
White crystalline powder
Identification
Positive reaction
Melting point
About 190 ºC
Specific rotation
+20.5 --- +21.5 º
PH value
2.1 - 2.6
Clarity of solution
Clear
Colour of solution
BY7 max
Heavy metals
10 ppm max
Copper
5 ppm max
Iron
2 ppm max
Assay(on dried basis)
99.0 - 100.5%
Residue on ignition
0.1% max
Organic volatile impurities
Conforms
Oxalic Acid
0.2% max