Vitamin C

Vitamin C

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.

Specifications of Vitamin C:

Name	Ascorbic Acid
CAS No.	50-81-7
Chemical Formula	C₆H₈O₆
Specification	BP 2000 / USP 24 / FCC IV
Packing	In 25kg cartons
Functional use	Antioxidant
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

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Vitamin C