Ascorbic Acid (Vitamin C)
CAS Number: 50-81-7
L-Ascorbic acid (Vitamin C) is an essential water-soluble vitamin and potent antioxidant used extensively in food and beverage preservation and fortification. As E300, it prevents enzymatic and non-enzymatic browning in cut fruits and juices, protects flavor in beverages, and serves as a dough conditioner in baking. Available as fine powder (mesh 60–100) and granular (mesh 14–30) grades with ≥99.7% purity.
Technical Specifications
| appearance | White to off-white crystalline powder or granules |
| purity (%) | ≥99.7 |
| moisture (%) | ≤0.4 |
| heavy metals (ppm) | ≤10 |
| specific rotation [α]D20 | +20.5 to +21.5 |
Applications
- Fruit and vegetable browning inhibition (enzymatic)
- Beverage antioxidant and Vitamin C fortification
- Bread dough conditioner (gluten network strengthening)
- Meat color preservation synergist with sodium ascorbate
- Dietary supplement and nutraceutical manufacturing
Key Features
- Dual function as antioxidant and essential vitamin in a single ingredient
- Effective browning inhibitor for fresh-cut produce at low concentrations (0.1%)
- Available in powder and granular grades for different processing needs
- EU E300 approved, GRAS status, Chinese Pharmacopoeia and FCC grade available
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CAS Number
50-81-7
Category
Food / Beverage AdditivesAvailability
In StockSample
Dispatched within 5 days