High quality food grade Vitamin C

Vitamin C CAS50-81-7

Vitamin C (vitaminC), also known as ascorbic acid, is an important water-soluble vitamin, which is related to various metabolisms of the human body. The human body cannot synthesize and store it, and must be taken from outside. It is rich in fresh green leafy vegetables, oranges, grapefruits and lemons. In the case of normal dosage, the body stock of vitamin C is 1500mg.
When it comes to vitamin C, everyone knows its "strengthening resistance and preventing colds". In fact, vitamin C is also a particularly effective antioxidant. It has the effects of capturing free oxygen free radicals, reducing melanin, and promoting collagen synthesis. It can effectively strengthen the skin's ability to resist sun damage.

CAS:50-81-7

Chemical formula:C₆H₈O₆

Molecular weight:176.13

Specification

Item	Standard
Appearance	White or almost white, crystalline powder or colourless crystals
Melting point	About 190℃. with decomposition
Infrared absorption spectrum	Infrared absorption spectrum accord with the referance spectrum of ascorbic acid CRS
PH(With 5% water solution)	2.1-2.6
PH(With 2% water solution)	2.4-2.8
Appearance of solution	Clarity; clear; colour: ≤BY7
Specific optical rotation	20.5℃- 21.5℃
Loss on drying	≤0.4%
Impurity E	≤0.2%
Related substance	Impurity C: ≤0.15%
	Impurity D: ≤0.15%
	Unpecified impurities:≤0.10%
	Total impurities:≤0.20%
Copper	≤5.0ppm
Iron	≤2.0ppm
Arisenic	≤3.0ppm
Lead	≤2.0ppm
Mercury	≤1.0ppm
Cadmium	≤1.0ppm
Heavy metals	≤10ppm
Sulphated ash	≤0.1%
Assay	99.0% ~ 100.5%

The function of vitamin C
1. Promote the biosynthesis of bone collagen, which is conducive to the faster healing of tissue wounds; promote the synthesis of collagen and prevent gum bleeding; promote the growth of teeth and bones, prevent gum bleeding, prevent joint pain, low back and leg pain.

2. Promote the metabolism of tyrosine and tryptophan in Amino Acids, extend the life of the body; enhance the body's anti-stress ability and immunity to the external environment.

3. Improve the utilization of iron, calcium and folic acid; improve the metabolism of fat and lipids, especially cholesterol, and prevent cardiovascular diseases.

4. Insist on taking vitamin C on time to reduce skin melanin, thereby reducing dark spots and freckles, and whitening the skin.

Package

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