China H&Z® Vitamin C is a colorless crystal, odourless, acidic taste. Soluble in water and ethanol. Stable in dry air , and its solution is not stable. As well as, vitamin C takes part in many metabolism procedures in the human body, helps decrease brittleness of blood capillaries and increase body resistance
China Ascorbic Acid/Vitamin C Factory
Ascorbic Acid/Vitamin C CAS NO:50-81-7
L(+)-Ascorbic acid Chemical Properties
MF:C6H8O6
MW:176.12
Melting point:190-194°C (dec.)
alpha:20.5º(c=10,H2O)
Boiling point:227.71°C (rough estimate)
Density:1,65 g/cm3
Refractive index :21°(C=10, H2O)
Solubility H2O: 50 mg/mL at 20°C, clear, nearly colorless
Form:powder
Color:white to slightly yellow
PH:1.0 - 2.5 (25℃, 176g/L in water)
Odor:Odorless
Ascorbic Acid/Vitamin C Description:
1.H&Z® Vitamin C is involved in collagen synthesis.Vitamin C can prevent scurvy, iron deficiency anemia, but also participate in the synthesis of human collagen, make our skin shiny, delay aging;Make our blood vessel wall full of elasticity, so as to effectively prevent atherosclerosis and other cardiovascular diseases;Make our bones, joints, lubricating ligaments elastic, conducive to rapid wound healing.
2.The H&Z® vitamin C in food basically exists in fresh vegetable, fruit, human body cannot synthesize.Fruit new jujube, sour jujube, orange, hawthorn, lemon, kiwi, seabuckthorn and roxburgh rose are rich in vitamin C;The content of green leafy vegetables, green pepper, tomato and Chinese cabbage is higher.
3.In the human body, vitamin C is a highly effective antioxidant, which is used to reduce the ascorbate peroxidase SCH's oxidative stress.Vitamin C is also involved in many important biosynthesis processes.
4.Vitamin C prevents iron deficiency anemia.Vitamin C is a water-soluble vitamin that cannot be synthesized by the human body. It mainly comes from fresh vegetables and fruits. Proper supplementation of vitamin C can prevent iron deficiency anemia.
Ascorbic Acid/Vitamin C Specification:
Item |
Standard |
Appearance |
White crystalline powder |
Identification |
Positive |
Clarity of solution |
Clear |
Assay (%) |
99.0~100.5 |
Loss on drying (%) |
≤0.40 |
Residue on ignition (%) |
≤0.10 |
Sulphate ash |
≤0.10 |
Specific rotation |
from +20.5 to +21.5 |
PH value (2% solution) |
2.4 ~ 2.8 |
PH value (5% solution) |
2.1 ~ 2.6 |
Heavy metals |
≤3 ppm |
Iron |
≤2 ppm |
Copper |
≤2 ppm |
Total plate count |
≤1000 cfu/g |
Arsenic |
≤1 ppm |
Mercury |
≤1 ppm |
Organic volatile impurities |
Meets the requirements |
Chloride (Cl) (%) |
≤0.30 |
Melting point (℃) |
about 190 |
Cadmium |
≤1 ppm |
Lead |
≤2 ppm |
Ascorbic Acid/Vitamin C Function:
In the food industry,it can both use as nutrition-al supplements,supplementary VC in food processing,and also is good Antioxidants in food preservation,widely used in meat products,,fermented flour products,beer,tea dtinks, fruit juice,canned fruit,canned meat and so on;also commonly used in cosmetics,feed additives and other industrial areas.
Ascorbic Acid/Vitamin C Application:
1.Food additives:as antioxidant and food nutrition enhancer,VitaminC is used in flour product,beer,candy,jam,can,drink,dairy products.
2.Medicine intermediates:Vitamin medicines,prevent scurvy,and a various of drugs.
3.Cosmetic Material:Vitamin C can promote collagen information,its antioxidation can restrain pigment spots.