Leavening Agents

Leavening Agents

1. What is LEAVENING AGENTS?

   • Leavening agent is a substance that triggers a chemical action causing a baked product to rice.

2. Types of Leavening Agents

   • Pysical Leavening
     • Air : Trapped air in mixture expands when the product is heated
     • Steam : as a product bakes, temperature of water rises and steam is formed
   • Chemical Leavening
     • Baking powder: does not require acid and needs minimal moisture
     • Baking soda: Requires acid to active.
     • Baking ammonia : a mixture of ammonium carbonate ammonium bicarbonate and ammonium carbanate
   • Biological Leavening
     • Yeast: a living organism that requires heat, moisture and food to activate

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