Pure vitamin c food grade
Vitamin C is widely used in many fields such as food , beverage, breeding and forage additives.
Pure vitamin c food grade
1. Product introduction
Product name: Pure vitamin c food grade
Purity: 99% Min
Molecular weight: 176.12
MP: 190-192 ℃
Density: 1.954g/cm3
Vitamin C is a strong reducing agent with antioxidant effects. Since vitamin C is an optically active molecule, it can be divided into left-handed and right-handed according to its optical rotation. L(+)-Ascorbic acid is the only form of vitamin C that can be directly absorbed by human skin. It promotes collagen proliferation, repairs UV damage to the skin, and diminishes melanin.
1). Ascorbic Acid Keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2). Ascorbic Acid Prevent formation of nitrous amine from nitrous acid in meat products.
3). Ascorbic Acid Improve dough quality and make baked food expand to its maximum.
4). Ascorbic Acid Compensate the Vitamin C losses of beverage ,fruits and vegetables during processing rocedures.
2. Product Specification
Product name | Vitamin C (Ascorbic acid) | |
Items | Specifications | Analysis results |
Appearance | White crystalline powder | White crystalline powder |
Identification | Positive | Positive |
Clarity of solution | Clear | Clear |
Assay (%) | 99.0~100.5 | 99.6 |
Loss on drying (%) | ≤0.40 | 0.04 |
Residue on ignition (%) | ≤0.10 | 0.04 |
Sulphate ash (%) | ≤0.10 | 0.04 |
Specific rotation (°) | +20.5~+21.5 | +20.95 |
PH value (2% solution) | 2.4 ~2.8 | 2.64 |
PH value (5% solution) | 2.1 ~ 2.6 | 2.32 |
Melting range (℃) | About 190 | 191 |
Heavy metals (ppm) | ≤3 | ＜3 |
Iron (ppm) | ≤2 | ＜2 |
Copper (ppm) | ≤2 | ＜2 |
Total plate count (cfu/g) | ≤1000 | ＜1000 |
Arsenic (ppm) | ≤1 | ＜1 |
Lead (ppm) | ≤2 | ＜2 |
Cadmium (ppm) | ≤1 | ＜1 |
Mercury (ppm) | ≤1 | ＜1 |
3. Product Details
4. Product Qualification
We are specialized in food additives for many year. We have FDA, SGS, CNAS, ITAT, CO and health certificate etc.
5. Service And Shipping
6. FAQ
1. Can I get sample before order?
Yes, we can provide free sample once price is agreed, and you have to pay us the delivery fee in advance.
2. Where is your loading port?
Usually Huangpu port, Guangzhou.
3. How to confirm the Product Quality before placing orders?
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
4. What's your MOQ?
Usually, our MOQ starts from 25kg and 100kg.
5. Is there a discount?
Yes, for larger quantity, we always support with better price.
6. How do you treat quality complaint?
First of all, our quality control will reduce the quality problem to near zero. If there is a quality problem caused by us, we will send you free goods for replacement or refund your loss.
