Does every packaged bread contain calcium propionate?
No. Many do, and some sourdough and sprouted loaves do not. The ingredient list decides, which is why swaps stay in the bread category.
Preservatives & additives
Calcium propionate
A bakery mold inhibitor printed as calcium propionate or E282.
Matches personal ingredient preferences based on label evidence; not medical, allergy, or dietary safety advice
What the label is naming
Calcium propionate is the preservative used to slow mold in packaged bread. Labels spell it out or use E282. It is not the same as calcium sulfate or other calcium salts used as dough conditioners. The pattern requires propionate.
Where it hides
Sandwich bread, hamburger buns, and tortillas. A short bakery-style sourdough often omits it, which is why those loaves show up as swaps when this category is on.
Names and codes
- Calcium propionate
- E282
Aisles to check
- Sandwich bread
- Buns
- Tortillas
Label-reading tips
- Look at the end of a bread label.
- Other calcium salts are not propionate.
Check a label for Calcium propionate
Paste an ingredient list. This checker looks only for Calcium propionate. It does not score the rest of the food.
Questions
Is calcium sulfate a match?
No. The pattern is calcium propionate or E282.