The interaction of water, acid, heat and chemical leavening agents (baking powders)releases CO2. The release of gas may occur in the dough prior to or during oven baking.

• 水、酸、热和化学发酵剂(焙烤粉)的相互作用可使面团中释放出co2,该CQ气体的释放一般发生在将面团放置于烤箱中焙烤之前或焙烤过程中。