Ingredient
Potassium Bromate
What is Potassium Bromate?
Potassium bromate is a chemical compound used as a flour improver in the bread-making process. It strengthens dough and allows it to rise higher, creating a fluffier texture.
It is used for its ability to yield consistent baking results. However, its safety has been questioned due to studies that suggest it may have carcinogenic properties. Various studies on rodents have shown a potential link between potassium bromate and the development of tumors, leading to concerns about its use in food products.
When you see potassium bromate on a label, it often means the product has been treated to improve its rise and texture. Some countries have banned its use in food due to health concerns, so its presence might indicate regulatory differences.
Commonly found in: Bread, Baking flour, Pizza dough
What to watch
- Linked to cancer in animal studies.
- Banned in the EU, Canada, and several other countries due to health concerns.
Benefits
- Improves dough strength and consistency in baking.
The FDA considers it safe for use in food production as long as it is used within specific limits and appropriately processed to limit residues.
Research has shown potential carcinogenic effects in laboratory animals, contributing to its ban in several countries.
Potassium bromate is a chemical additive and not derived from animals, so it is generally considered vegan.
Sources: Potassium Bromate Q&A
Scout's take
Flour 'improver' present in the bleached wheat flour. Classified by IARC as Group 2B (possibly carcinogenic to humans) and listed on California Proposition 65 as a known carcinogen. BANNED in the European Union, United Kingdom, Canada, Brazil, China, India, Argentina, Peru, Nigeria, and Sri Lanka — but still legal in the US. The FDA has urged voluntary removal since 1991 but never banned it. Bromate residue can persist in the finished crust if baking is incomplete.
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