Potassium Bromate
This is what the ingredient is.
Potassium bromate is an oxidizing agent used in bread making. Improves dough strength and rise.
Here is why it shows up on the label.
Dough conditioner and flour improver. Strengthens gluten structure in bread dough, improving volume and texture.
Here is what food agencies say.
The FDA has approved it as food additive but usage declining. GRAS status revoked. Banned in EU, Canada, Brazil, and many other countries. IARC classified as Group 2B (possibly carcinogenic). Still legal in US with limits.
Here is what research has found.
IARC classified as possibly carcinogenic to humans (Group 2B) in 1999. Studies show carcinogenicity in animals. Supposed to break down to harmless bromide during baking, but residues may remain. Several countries banned use.
Here are a few things worth knowing.
Classified as possible carcinogen. Banned in EU, Canada, and many countries. California requires Prop 65 warning. Supposed to dissipate during proper baking. Many US bakers have voluntarily discontinued use. Avoid when possible.
Sources
- FDA Status
- IARC Monograph 1999
- California Prop 65 List
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.