International Numbering System (INS) for Food Additives: 924
Food additives Europe numbers: E924
Potassium bromate (KBrO3) is a controversial food excipient that was once used as a strengthening agent in bread dough. However, due to potential health concerns, its use in most countries is currently banned or severely restricted. Here's a breakdown of its properties and the reasons behind its limited use:
What is Potassium Bromate?
- Chemical compound: Potassium bromate is a white crystalline powder.
Historical Use in Bread Making:
- Strengthens dough: Potassium bromate was previously used as a dough conditioner. It strengthens gluten, the protein network in wheat flour, leading to increased dough stability, elasticity, and ultimately, higher bread volume. This resulted in commercially desirable characteristics like a more uniform crumb and improved rise.
Health Concerns and Regulations:
- Potential carcinogenicity: Studies have raised concerns about a possible link between long-term exposure to potassium bromate and an increased risk of certain cancers in animals. While the evidence for human health risks is inconclusive, the potential for harm has led to restrictions.
- Regulatory actions: Due to these concerns, many countries have banned or severely limited the use of potassium bromate in food products.
Alternatives to Potassium Bromate:
- Bakers can achieve similar results through other dough conditioning methods, such as:
- Using alternative flours with higher protein content.
- Employing mechanical processing techniques like kneading and folding.
- Utilizing natural dough conditioners like ascorbic acid (vitamin C) or malted barley flour.
Overall:
While potassium bromate once played a role in bread making, its use is no longer recommended due to potential health concerns. Bakers have adopted alternative methods to achieve the desired dough properties and bread characteristics. If you're concerned about potassium bromate in bread, you can look for labels that specifically mention "bromate-free."