Food Safety Substance
Calcium oxideE529
Calcium oxide (E529) is a food additive with PUBLISHED in the EU, GRAS in the US, and data from 8 regulatory sources.
Substance Identity
Resolved identifiers used to render this food-safety record.
Multi-Jurisdiction Comparison
Side-by-side status rows for the same resolved substance across public food regulators.
| Jurisdiction | Authority | Status | Evidence |
|---|---|---|---|
| European Union | EU Commission | PUBLISHED | EU additive listing; Annex II entry |
| Canada | Health Canada | Listed | To modify texture |
| Codex | Codex Alimentarius | Listed | Acidity regulator; Flour treatment agent |
EU Food Additive Status
EU Commission food-additive listing rows from eu_food_additives.
| Jurisdiction | E-number | Status | Type | Name | Note |
|---|---|---|---|---|---|
| European Union | E529 | PUBLISHED | substanceFAD | Calcium oxide | - |
EU Annex II Authorised Uses
Authorised additive rows and use conditions from EU Annex II tables.
| Jurisdiction | E-number | Name | INS | Policy item | Note |
|---|---|---|---|---|---|
| European Union | E529 | Calcium oxide | - | POL-FAD-IMPORT-3226 | - |
Conditions and restrictions
| Jurisdiction | Food category | Restriction | Comment | Source |
|---|---|---|---|---|
| European Union | - | - | - | EU Annex II Union List |
| European Union | - | - | - | EU Food Additives Database |
Codex GSFA Status
Codex Alimentarius GSFA permissions and maximum-use rows.
| Jurisdiction | INS / E-number | Function | Food category | Max level | Notes |
|---|---|---|---|---|---|
| Codex | 529 | Acidity regulator; Flour treatment agent | 01.2.1.2 Fermented milks (plain), heat-treated after fermentation | GMP | - |
Health Canada Status
Health Canada food-additive permissions by functional class and food scope.
| Jurisdiction | Class | Permitted foods | Maximum level | List |
|---|---|---|---|---|
| Canada | To modify texture | - | (a) Good Manufacturing Practice | List of Permitted Food Additives with Other Purposes of Use |
| Canada | To facilitate the removal of extraneous matter and to reduce moisture loss during cooking | - | (b) To be used in a solution with sodium chloride (salt) and sodium hydroxide. Residue of calcium oxide not to exceed 30 ppm in the food. | List of Permitted Food Additives with Other Purposes of Use |
| Canada | Coating agent | - | (c) Good Manufacturing Practice. To form a thin coating on the whole nutmeg. | List of Permitted Food Additives with Other Purposes of Use |
| Canada | Acidity regulator | (a) Beer | (a) Good Manufacturing Practice | List of Permitted Acidity Regulators and Acid-Reacting Materials |
| Canada | Acidity regulator | (b) Gelatin | (b) Good Manufacturing Practice | List of Permitted Acidity Regulators and Acid-Reacting Materials |
| Canada | Acidity regulator | (c) Ice cream mix; Ice milk mix | (c) Good Manufacturing Practice | List of Permitted Acidity Regulators and Acid-Reacting Materials |
| Canada | Acidity regulator | (d) Unstandardized foods | (d) Good Manufacturing Practice | List of Permitted Acidity Regulators and Acid-Reacting Materials |
EU FCM Substances
EU food-contact material rows and migration-limit fields.
| Jurisdiction | FCM no. | Ref no. | Substance | Use | SML | Regulation |
|---|---|---|---|---|---|---|
| European Union | 395 | 41520 | calcium oxide | additive/PPA | - | Regulation (EU) No 10/2011, Annex I |
JECFA ADI Values
JECFA ADI records and evaluation years.
| Jurisdiction | Chemical name | JECFA no. | CAS | ADI | ADI upper | Function | Evaluation year |
|---|---|---|---|---|---|---|---|
| JECFA | CALCIUM OXIDE | - | 1305-78-8 | NOT LIMITED | - | YEAST_FOOD, ACIDITY_REGULATOR, FLOUR_TREATMENT_AGENT | 1965 |
Cross-Reference to Cosmetics / Chemicals / Pharma
Same-CAS public rows from adjacent Roots verticals where available.
Cross-Vertical Regulatory Divergence
This substance has different regulatory treatment across food, cosmetics, and industrial use.
Frequently Asked Questions
Food-use, safety, ADI, and cross-vertical answers mirrored into FAQPage JSON-LD.
What is Calcium oxide used for in food?
Calcium oxide appears in food-use rows as: Acidity regulator; Acidity regulator; Flour treatment agent; To modify texture.
Is Calcium oxide / E529 safe?
This page does not assign a standalone safety verdict; it renders public regulatory evidence. ADI/reference value: ADI NOT LIMITED mg/kg bw. EU status evidence: PUBLISHED. US/FDA evidence: GRAS.
What is the ADI for Calcium oxide?
Calcium oxide has this ADI/reference value in the food-safety tables: ADI NOT LIMITED mg/kg bw. Source: WHO JECFA.
Is Calcium oxide also used in cosmetics?
Calcium oxide has a same-CAS cosmetics cross-reference: Calcium Oxide, EU status prohibited.