Customization: | Available |
---|---|
Powder: | Yes |
Customized: | Non-Customized |
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Ascorbic Acid/Coated Ascorbic CAS 50-81-7
tem | 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 ( ºC) | about 190 |
Cadmium | ≤1 ppm |
Lead | ≤2 ppm |
Storage | in the shade |
Packing | 25kg/bag |
Vitamin C is widely used in many fields such as food , beverage, breeding and forage additives. Its main functions reflected in following 5 aspects:
1)Keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2)Prevent formation of nitrous amine from nitrous acid in meat products.
3)Improve dough quality and make baked food expand to its maximum.
4)Compensate the Vitamin C losses of beverage ,fruits and vegetables during processing rocedures.
5)Used as nutritional element in additives,Feed additives.