Is Calcium Propionate Safe in Bread?

Quick Answer: Calcium propionate is a preservative in bread that prevents mold growth. It is generally considered safe, but a 2002 Australian study linked it to irritability, restlessness, inattention, and sleep disturbance in some children. Propionic acid occurs naturally in Swiss cheese.

Calcium propionate (E282) is the most common bread preservative worldwide, used to inhibit mold and bacterial growth and extend shelf life. It's found in virtually all commercially produced bread, bagels, tortillas, and baked goods. The FDA classifies it as GRAS. However, a controlled study conducted at the Royal Prince Alfred Hospital in Sydney found that some children experienced increased irritability, restlessness, inattention, and sleep disturbances when consuming bread preserved with calcium propionate compared to preservative-free bread. The study was small but double-blinded. Propionic acid (the active compound) occurs naturally in Swiss cheese at much higher concentrations than in bread, and is also produced by beneficial gut bacteria during fiber fermentation. For most people, calcium propionate in bread is unlikely to cause problems.

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Frequently Asked Questions

Why is calcium propionate in bread?

Calcium propionate prevents bread from growing mold, extending shelf life from 2-3 days to a week or more. Without it, commercial bread distribution would be impractical.

Can calcium propionate affect behavior in children?

A 2002 Australian study found some children experienced irritability, restlessness, and inattention from calcium propionate, but the study was small and results haven't been widely replicated.

Related Ingredients

Calcium PropionateSodium Benzoate

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APACheckIt AI. (2026). "Is Calcium Propionate Safe in Bread? — CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/answers/is-calcium-propionate-safe
MLA"Is Calcium Propionate Safe in Bread? — CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/answers/is-calcium-propionate-safe.
HTML Embed<a href="https://getcheck.it/answers/is-calcium-propionate-safe">Is Calcium Propionate Safe in Bread? — CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026answersiscalciumpropionatesafe, title = {Is Calcium Propionate Safe in Bread? — CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/answers/is-calcium-propionate-safe}, note = {Retrieved 2026-03-05} }