antioxidant INS 302

Calcium Ascorbate E302

vitamin derivative β€” Primarily synthetic.

πŸ‡ͺπŸ‡Ί EU: Approved
πŸ‡ΊπŸ‡Έ USA: Approved
πŸ‡―πŸ‡΅ Japan: Approved
πŸ‡¦πŸ‡Ί AU/NZ: Approved
πŸ‡¨πŸ‡¦ Canada: Approved
Scientific Name

Calcium L-ascorbate

CAS: 5743-27-1

Data verified: 2026-04-04

Factual Regulatory Reference

This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.

? Did You Know?

Beyond food, Calcium Ascorbate is also used in cosmetics, medicine, household products. Its versatility makes it one of the most multi-purpose chemical compounds in everyday life.

Detailed Regulatory Assessment

πŸ‡ͺπŸ‡Ί

European Union (EFSA)

approved Max: quantum satis (varies by food category) mg/kg

Re-evaluated together with E300 and E301 in 2015 EFSA opinion

Official EFSA Link
πŸ‡ΊπŸ‡Έ

United States (FDA)

approved GRAS (Generally Recognized As Safe)

Approved for use in food as antioxidant and nutrient

πŸ‡―πŸ‡΅

Japan (MHLW)

approved Cat: ζ—’ε­˜ζ·»εŠ η‰©

Approved as existing food additive

Acceptable Daily Intake (ADI)

International Standard (JECFA)

Not specified

mg/kg body weight per day

European Standard (EFSA)

Not specified

Everyday Perspective

For a 60kg adult, this limit is roughly equivalent to consuming:

Natural Occurrence

This additive is not known to occur naturally in significant quantities.

Manufacturing

Method: chemical synthesis

Produced by reacting ascorbic acid with calcium carbonate or calcium hydroxide to form the calcium salt. The resulting compound is a white to slightly yellow powder.

Applications Beyond Food

Cosmetics

Stabilizer and antioxidant

Medical

Calcium and vitamin C dietary supplement

Household

Nutritional supplement

Frequently Asked Questions

What is Calcium Ascorbate (E302)?
Calcium Ascorbate (E302) is a antioxidant used in food products. It is vitamin derivative and synthetic. Synthetically produced calcium salt of L-ascorbic acid (Vitamin C). Non-acidic, gentle form of vitamin C. The ascorbic acid portion is identical to naturally occurring vitamin C found in many fruits and vegetables.
What foods contain Calcium Ascorbate?
Calcium Ascorbate is used in various food categories including Meat preparations, Fruit and vegetables. It is used as a antioxidant in these products.
Is Calcium Ascorbate the same as Calcium salt of ascorbic acid?
Yes, Calcium Ascorbate is also known as Calcium salt of ascorbic acid, Calcium vitamin C. These are different names for the same substance.