Starter produces gas through biological fermentation. Yeast is a unicellular fungus, which can survive in both aerobic and anaerobic environments and belongs to facultative anaerobic bacteria. Yeast powder is a compound leavening agent, also known as foaming powder and yeast powder, which reacts with water to produce gas.

2. Different uses

The leavening agent is mainly used in the production of baked goods, which can not only improve the sensory quality of food, but also be beneficial to the digestion and absorption of food. Today, it is of certain importance to develop instant food and emphasize its nutritional function.

Mainly used as a quick loosening agent for flour food. Some kinds of baking powder can be divided into sweet baking powder and edible baking powder, which is a kind of fast starter and is mainly used for the rapid fermentation of grain products. Production of cakes, cakes, steamed bread, steamed bread, shortbread, bread and other foods.

3. Different degrees of environmental impact:

Baking powder is little affected by temperature and humidity; The leavening agent 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.

4. Different nutritional values:

Baking powder is a chemical expansion agent, which consists of chemical substances; Relatively speaking, yeast is natural, nutritious, healthy and safe, and will not produce bad flavor. From the point of view of human health, fillers are more beneficial to human health.

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