Calcium Ascorbate – Non-Acidic Vitamin C & Premium Antioxidant
Calcium Ascorbate is a buffered form of Vitamin C that combines ascorbic acid with calcium carbonate. Unlike regular ascorbic acid, Calcium Ascorbate is pH-neutral, making it gentle on the digestive system while providing highly bioavailable Vitamin C and essential calcium. It is widely used in the nutraceutical, food, and beverage industries as a superior antioxidant and nutrient enhancer.
⚪ Product Identification
- Product Name: Calcium Ascorbate (Buffered Vitamin C)
- CAS Number: 5743-27-1
- HS Code: 293627 (Vitamin C and its derivatives)
- Chemical Formula:
- Appearance: White to slightly yellowish crystalline powder
- Grade: Food Grade / Pharmaceutical Grade (USP/FCC)
🔬 Technical Specification (Standard)
| Parameters | Specification |
|---|---|
| Assay (as
) |
98.0% – 101.0% |
| Vitamin C Content | Approx. 82% – 90% |
| Calcium Content | Approx. 9% – 11% |
| Specific Rotation | +95.0° to +97.0° |
| pH (10% solution) | 6.8 – 7.4 (Neutral) |
| Heavy Metals (as Pb) | ≤ 10 ppm |
🌟 Key Benefits & Applications
1. Gentle on the Stomach (Buffered Vc)
Due to its neutral pH, Calcium Ascorbate is the ideal choice for individuals with sensitive stomachs who cannot tolerate highly acidic regular Vitamin C. It prevents gastric irritation while ensuring maximum absorption.
2. High-Performance Food Antioxidant
As a highly effective antioxidant (E302), it is used to prevent browning in cut fruits and vegetables, and to maintain color and flavor stability in processed meats and beverages.
3. Nutritional Fortification
A dual-action ingredient that provides both immune-boosting Vitamin C and bone-supporting Calcium. It is a staple in premium multivitamin tablets, capsules, and functional drink mixes.
4. Extended Shelf Life
Its stable chemical structure makes it more resistant to oxidation compared to pure ascorbic acid, ensuring longer potency in final product formulations.
📦 Logistics & Storage
- Packaging: 25kg/Fiber Drum with aluminum foil or PE inner liner.
- Storage: Store in a cool, dry, and dark place. Protect from light, moisture, and heat to prevent oxidation.
- Shelf Life: 24 months.
