What is E529? Calcium Oxide Explained

As an Amazon Associate and AWIN affiliate partner we earn from qualifying purchases — at no extra cost to you. Disclosure ›

🟢 🟢 Safe
E529 — Calcium Oxide
Acidity Regulators
🌱VeganYes
🥚VegetarianYes
☪️HalalHalal
🌴Palm OilUnlikely

E529 is Calcium Oxide — a acidity regulator (mineral) used in soft drinks, jams.

What is E529 (Calcium Oxide)?

E529 is Calcium Oxide, a food additive classified as a acidity regulator that control pH and add tartness. A acidity regulator (mineral) used in soft drinks, jams. You'll find it in soft drinks, jams, canned goods and many other packaged foods. Like every E-number, E529 has been authorised for use in food following an EFSA safety evaluation — though authorisation doesn't mean concern-free, as the safety section below explains.

Where is E529 found?

E529 (Calcium Oxide) is found in soft drinks, jams, canned goods, baked products, cheese, wine.

Is E529 safe?

EFSA has reviewed E529 and considers it safe for human consumption at the levels used in food. No credible evidence links Calcium Oxide to harm at normal dietary intakes.

EFSA opinion: Calcium Oxide — status Safe.

Check the calorie content of foods containing E529. If you’re pregnant, see our pregnancy food safety guide.

Related to E529 (Calcium Oxide)

Products relevant to this additive and your dietary choices

Best match

Additive-Free Cookbook
Recipes using whole, unprocessed ingredients with no E-numbers.

Additive-Free Cookbook on Amazon →

Whole Food Cooking Guide
Guides to cooking from scratch and reducing processed food intake.

Whole Food Cooking Guide →

E529 FAQs

What is E529 in food?

E529 is Calcium Oxide — a acidity regulator (mineral) used in soft drinks, jams.

Is E529 safe to eat?

EFSA has reviewed E529 and considers it safe for human consumption at the levels used in food. No credible evidence links Calcium Oxide to harm at normal dietary intakes.

Is E529 vegan?

E529 (Calcium Oxide) is vegan. It is derived from mineral, with no animal involvement in standard food production.

Is E529 halal?

E529 (Calcium Oxide) is halal. It is derived from mineral, which involves no haram sources.

Related Acidity Regulators additives

Data: Open Food Facts (ODbL) · EFSA

Last updated: