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calcium ascorbate ​

Basic Information ​

FieldContent
Chinese namecalcium ascorbate
English namecalcium ascorbate
INS/E numberINS 302
Functional classAntioxidant
Year adopted1958
Approved byAustralia/New Zealand (FSANZ), European Union (EFSA)

What is it? ​

Calcium ascorbate is the calcium salt of ascorbic acid, used as an antioxidant and colour stabiliser while also supplying calcium.

Source ​

Industrial：抗坏血酸与碳酸钙（或氢氧化钙）中和反应制得抗坏血酸钙

Why is it used? ​

  • Antioxidant preventing oxidation and browning
  • Inhibits enzymatic browning
  • Supplies a calcium source
  • Suitable for liquid and high-moisture foods

Common Foods ​

  • Beverages and fruit juices
  • Canned fruits
  • Meat products (colour fix)
  • Dairy products
  • Calcium-fortified foods

Safety ​

ADI (Acceptable Daily Intake)：not limited (维生素C)

Concerns：

  • 过量补钙可能影响矿物质平衡

Usage Standard ​

China：GB 2760《食品安全国家标准 食品添加剂使用标准》；GB 14880 营养强化剂

International：

  • EU Regulation 1333/2008 Annex II (E 302)
  • FDA 21 CFR 182.3189 (Calcium ascorbate, GRAS)
  • Codex GSFA (INS 302)
  • Australia New Zealand Food Standards Code (Calcium ascorbate)
  • JECFA Monograph (ADI not specified)

In a nutshell ​

Calcium ascorbate is the calcium salt of vitamin C, combining antioxidant, colour-stabilising and calcium-supplying roles, highly safe.

Consumer Advice ​

Calcium ascorbate is the calcium salt of vitamin C. It is gentler and less acidic than ascorbic acid and is used as an antioxidant and nutrient fortifier in drinks, juices and fruit products, preventing oxidation while supplying calcium. In the body it provides vitamin C and calcium, both of which are needed, so it is very safe at authorised levels.

Dietary Restrictions ​

  • Vegan: ✅
  • Halal: ✅
  • Kosher: ✅

Allergens ​

✅ Free from common allergens

Disclaimer ​

The information provided here is for discussion and educational purposes only. It is not medical advice or an evaluation/rating of any product or ingredient. This information may not apply to you; before using or taking any action, you should contact the manufacturer, vendor, medical, dietary, fitness, or other professionals. If you use any information provided here, you do so at your own risk.