2, different fermentation methods: baking powder is chemical fermentation, baking powder contains baking soda and tartaric acid, and generates carbon dioxide when heated with water; Yeast is biological fermentation, and yeast produces carbon dioxide through yeast.
3. Different uses: baking powder is usually used to bake cakes, biscuits and desserts, while yeast is mainly used to bake bread.
4, the start time is different: baking powder starts quickly; But the yeast powder made by yeast is slow to start.
5. Different environmental impacts: baking powder is less affected by temperature and humidity; Yeast powder needs a certain temperature and humidity to start. If the weather is cold, it takes more time to start or it is not easy to start.
6, the price is different: the price of baking powder is low; Yeast is more expensive.
7. Health and safety are different: baking powder is a chemical expansion agent, which is composed of chemical substances. It is recommended to minimize the use of children and pregnant women at home; Relatively speaking, yeast is natural, nutritious, healthy and safe, and will not produce bad flavor.