Bread improver are widely used and important in the field of baking. As a compound food additive, it is mainly composed of emulsifiers, oxidants, enzymes, inorganic salts and fillers, aiming to improve the quality and performance of bread.
1. The main function of bread improver
Improve the heating expansion of dough: bread improver can increase the binding between proteins in the dough, make the gluten organization more dense, and strengthen the gluten organization to form a more regular network structure. During the baking process, the gas expands due to heat, and the strong gluten can better wrap the gas, so that the bread is larger, fuller in shape, and more delicate in internal organization.
Strengthening gluten: Enzyme preparations and emulsifiers in bread improver can improve the structure of gluten, make the dough more resistant to stirring, improve the stability of the dough during the fermentation process, and improve the mechanical operability of the dough.
Improve the pH of the dough fermentation environment: bread improver can adjust the pH value of water in the dough so that it is neither too high nor too low, thereby compensating for the instability caused by poor flour quality in bread making. At the same time, improvers can also create a better environment for yeast fermentation in the dough.
Delaying bread aging: Enzymes and emulsifiers in bread improver play a key role in delaying bread aging. Enzymes can decompose starch structure, and emulsifiers can combine with proteins and starch to enhance gluten extensibility and delay starch aging. Emulsifiers can also help dough and bread have better water retention capacity, thereby maintaining the softness of bread for a long time.
2. Specific application of bread improver in the field of baking
Improving bread quality: bread improver can significantly improve the quality of bread, making it softer, more delicious, nutritious and easy to digest. By adding bread improver, the volume of bread can be increased, and the internal organizational structure of bread can be improved, making it uniform, fine, white and well-layered. At the same time, bread improver can also improve the water retention of bread, delay bread aging and extend shelf life.
Improve production efficiency: The use of bread improver can shorten the fermentation time of bread and improve production efficiency. By adding bread improver, gluten can be fully expanded, which is more conducive to mechanized bread production. In addition, bread improver can also improve the rheological properties of dough, improve the handling performance and mechanical processing performance of dough (beating resistance, preventing collapse before and after entering the oven, etc.).
Adapt to different flour qualities: In actual production, the quality of flour is often uncontrollable. By adding bread improver, the stability of flour in the production process can be improved and the quality of bread can be improved. Especially for flour with insufficient gluten strength, bread improver can effectively expand gluten and improve the water absorption and stability of dough.
Meet diversified needs: With the improvement of people’s living standards and the continuous improvement of dietary structure, people’s demand for bread is becoming more and more diversified. bread improver can be adjusted according to different needs to meet consumers’ different requirements for taste, appearance, shelf life, etc. For example, for bread that needs to be stored for a long time, you can choose a bread improver with anti-aging effect; for bread that needs to increase the elasticity of bread, you can choose a bread improver containing a gluten strengthener.
3. Precautions for using bread improver
Pay attention to mixing evenly: When stirring the dough, make sure that the bread improver is mixed evenly with other ingredients. If the mixing is not even, the quality of the bread will be unstable and even have side effects.
Adapt to environmental conditions: When using bread improver, you also need to pay attention to the impact of environmental conditions. For example, when it is cold in the north in winter, when mixing the dough, you should first add hot water and then add the improver to increase the temperature and activity of the dough.
FAQ
How does a bread improver prevent bread from becoming stale or dry quickly?
Bread improvers use a synergistic combination of enzymes and emulsifiers to slow down starch retrogradation (the primary chemical process behind staling) and significantly enhance the bread’s water retention.
The Enzyme Action: Specialized enzymes (such as amylases) hydrolyze and break down the complex starch structures in the flour into dextrins and simpler sugars. This modification delays the recrystallization of starch granules as the bread cools and ages.
The Emulsifier Action: Emulsifiers (such as DATEM or CSL) bind tightly with both proteins and starches in the dough. This molecular binding creates a stronger, highly stable gluten-starch network that traps moisture, keeping the crumb soft, elastic, and fresh for a much longer period.
Why do commercial bakeries rely on bread improvers to improve mechanical production efficiency?
In mechanized baking, dough is subjected to intense stress from high-speed mixing, dividing, and shaping machinery. Bread improvers physically strengthen the gluten structure, giving the dough the elasticity and mechanical resilience needed to withstand industrial processing without tearing or collapsing.
Gluten Network Reinforcement: Ingredients like glucose oxidase and oxidants (such as ascorbic acid) promote the formation of disulfide bonds between proteins, creating a denser, more regular gluten network that can better trap carbon dioxide (CO2) gas.
Dough Stability and Tolerance: By regulating the pH of the water in the dough and optimizing the environment for yeast fermentation, bread improvers prevent the dough from becoming too sticky, reduce mixing resistance, and protect against collapse during high-speed production line transfers and early baking stages.
