There are ever growing reasons to find egg replacements in a bakery setting. One aspect is savings: while egg prices rise and fluctuate, many egg replacers can come at half the cost. A few other reasons are supply chain issues, allergies or for vegan baking.
The functions of eggs in bakery goods include:
Emulsifying: natural emulsifiers in the egg yolk
Gel forming: the coagulation of egg produces a gel
Binding: brings together and helps hold the batter system together
Aeration: produces foams that are essential for volume
Sensory: contributes to color, flavor, appearance, texture and quality of bakery goods
Wetting agent: eggs provide moisture to dough or cake batter
How to replace eggs based on function
Eggs work as thickeners and binders in baking. In bakery goods, egg white proteins are responsible for good foaming capacity, stabilization, elasticity, etc. Egg yolks are mainly responsible for emulsification. Here are replacement suggestions.
Isolated protein from chickpea, beans, peas, lentils and lupins have been reported to have fat binding, water holding capacity, solubility, gelling, foaming, and emulsifying properties. Whey protein is a well-known gelling agent and contributes to emulsification in the bakery system. Wheat gluten plays an important role in the bakery goods for holding the structure. It will help the dough rise by trapping gas bubbles during fermentation and provide the unique texture for the final bakery goods.
Dairy proteins are also known to provide the building function in dough and batter systems. They are classified into whey proteins and milk proteins. Whey protein can function as the building agent in the dough system for holding structure.
Hydrocolloids or gums: improves the viscosity of the product, therefore entrapping more air. This results in an improved volume.
Fiber: usually contains fibrous composition for entrapping water and oil droplets. So, fiber could provide water-binding capacity and emulsification property. Some fibers such as citrus or maple can provide mouthfeel for textural purpose.
Dr. Lin is the baking industry’s influencer who has had a love affair with baking for 30 years. Starting with a BSc degree in Food Science & Technology at the Ohio State University, a MSc and PhD from the Department of Grain Science at Kansas State University. While working at Wendy’s and Dave’s Killer Bread, her technical teams experienced the lack of technical baking information on the internet. Seeing that this was not freely shared, Dr. Lin decided to launch BAKERpedia to cover this gap. With over 2 million pages read annually, BAKERpedia is the world’s only FREE and comprehensive online technical resource for the baking industry. Catch Dr. Lin at our BAKER Academy solving baking problems, subscribe to the BAKERpedia YouTube Channel & follow her on LinkedIn.
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