Food additive · Preservative

Calcium propionate

E-number
E282
CAS
4075-81-4

A preservative that keeps bread and baked goods from molding.

  • Food additive
  • Preservative
  • Expert review pending

Concern level

Low concern Level 1 of 4 How concern levels work

A minor or very limited concern, such as being an ultra-processing marker only. The concern level sets how many points calcium propionate costs on a product’s receipt.

What the evidence says

  • Restricted useRegulatory

    Health Canada permits it only in listed foods, up to set limits (2,000 ppm in bread, as propionic acid). [1]

Evidence tiers say how sure the evidence is, separately from how much it matters. About evidence tiers.

Popular products that list calcium propionate

359 of the 17,000 most-scanned products in the US with a GoodSwap page list calcium propionate. The 12 most scanned:

Diets and allergens

Vegan
Yes
Vegetarian
Yes
Gluten-free
Yes

For the ingredient in general. Always check the package: a product’s own labels win.

Names GoodSwap recognizes on labels (17)
  • e282
  • preservative e282
  • calcium propionate
  • propionate de calcium
  • calcium propionate preservative
  • preservative calcium propionate
  • calcium propionate preservatives
  • preservatives calcium propionate
  • calcium propionate a preservative
  • calcium propionate mold inhibitor
  • calcium propionate to retard mold
  • calcium propionate to inhibit mold
  • calcium propionate as a preservative
  • calcium propionate to retard spoilage
  • calcium propionate to maintain freshness
  • calcium propionate to preserve freshness
  • calcium propionate added as a preservative

Sources

  1. 11. List of Permitted Preservatives (Lists of Permitted Food Additives)

    Health Canada · Oct 20, 2025 · Regulator

    “B.2 Butylated Hydroxyanisole n/a (a) Active dry yeasts (a) Preservative (a) 1,000 ppm n/a”

    canada.ca