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Calcium diascorbate

May 22, 2026
Product name Calcium diascorbate
Synonym Calcium L-Ascorbate
ASCORBIC ACID CALCIUM SALT;
CALCIUM ASCORBATE;
calcium diascorbate;
L-Ascorbic acid, calcium salt (2:1);
Calciumdiascorbat;
Calcium Ascorbate Granular
CAS NO. 5743-27-1
Appearance White powder
Purity 98% Min
MF C6H10CaO6
MW 218.22
Structural formula
Related categories Antioxidants;Food additives;Pharmaceutical Raw Materials
Transport Information Non-hazardous materials
HS Code 2936270000
Product Manager Email sophia@coreychem.com

 

 

Product Application (Calcium Diascorbate, CAS:5743-27-1)

Calcium diascorbate is a neutral calcium salt of vitamin C. It possesses both the antioxidant activity of vitamin C and calcium supplementing effects. It features better stability than ordinary vitamin C, low irritation and easy absorption, and is widely applied in food, pharmaceuticals, health products, feed, daily chemicals and industrial fields.

1. Food Industry (Core Application)

1.1 Antioxidant and Color Protectant

  • Meat products: Inhibit fat oxidation, preserve color and freshness, and delay deterioration; limited to ≤1.0 g/kg (calculated as vitamin C) in accordance with GB 2760.
  • Fruit and vegetable processing: Prevent browning and color fading to extend shelf life, applicable to canned fruits and vegetables, quick-frozen fruits and vegetables, fresh-cut fruits and vegetables.
  • Oils & fats and bakery foods: Inhibit oil rancidity and prolong shelf life, used in instant noodles, pastries (≤0.2 g/kg), bread, biscuits.
  • Beverages and dairy products: Realize nutritional fortification and antioxidation, stabilize color and flavor, suitable for fruit juice, dairy drinks, yogurt and infant formula foods.

1.2 Nutritional Fortifier

It provides dual supplementation of vitamin C and calcium. Being neutral and mild without stomach irritation, it enjoys high absorption rate. Applicable to infant foods, middle-aged and elderly foods, sports nutritional foods and special dietary foods.

1.3 Functional Additive

  • Bakery industry: Improve gluten property, increase bread volume and optimize texture.
  • Meat products: Maintain gelling property and taste in low-salt formulas, partially replace salt.

2. Pharmaceutical & Health Care Products

2.1 Nutritional Supplement

Prevent and improve vitamin C deficiency (scurvy), boost immunity, promote collagen synthesis and accelerate wound healing. It can gently supplement about 10% calcium, ideal for people with insufficient gastric acid, gastritis, the elderly, pregnant women and children, avoiding acidic irritation caused by common vitamin C. Available dosage forms: tablets, effervescent tablets, granules, capsules, oral liquids.

2.2 Pharmaceutical Excipients & Preparations

  • Antioxidant stabilizer: Applied in injections and lyophilized preparations to prevent oxidative degradation of vitamin C.
  • Facilitate iron absorption and assist in improving iron deficiency anemia. Indications: Prevention and treatment of vitamin C and calcium deficiency, hypocalcemia, immunity enhancement and adjuvant antiviral treatment.

3. Feed & Aquaculture

  • Livestock and poultry feed additives: Supplement vitamin C and calcium, enhance immunity, relieve stress response, promote growth and improve meat quality.
  • Aquaculture: Strengthen stress resistance and disease resistance of fish and shrimp, reduce loss during transportation and breeding, and improve body color and product quality.

4. Daily Chemicals & Cosmetics

  • Antioxidation and anti-aging: Scavenge free radicals, resist photoaging, brighten skin tone and fade pigmentation.
  • Promote collagen synthesis, improve skin elasticity, reduce wrinkles and repair skin barrier. Applied in essence, face cream, facial mask, sunscreen products and oral care products.

5. Industry & Other Fields

  • Polymer stabilizer: Used for antioxidation of plastics, rubber and lubricating oil to slow down aging and degradation.
  • Organic synthetic intermediate: Used for synthesis of vitamin C derivatives and pharmaceutical intermediates.
  • Agriculture: Promote plant growth, enhance stress resistance (drought resistance, cold resistance, disease resistance) and keep post-harvest fruits and vegetables fresh.

 

 

Contact information:

Contact: Sophia Li

Email: sophia@coreychem.com

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