Baking powder is a kind of compound leavening agent, which is made of sodium bicarbonate powder as acidic substance and corn flour as filler. Also called baking powder and baking powder. Baking powder is a rapid starter, which is mainly used for the rapid fermentation of cereal products. When making cakes, cakes, steamed bread, steamed bread, shortbread, bread and other foods, the dosage is large.

Soda powder is the most widely used loosening agent in food processing, which is used to produce biscuits, bread and so on. , is the producer of carbon dioxide in carbonated drinks; It can be compounded with alum to form alkaline baking powder, or with soda ash to form civil caustic soda; It can also be used as a butter preservative.

principle

Baking powder is a kind of white powder, which contains acid substances such as baking soda powder and corn flour as filler. When baking powder comes into contact with water, acid powder and alkaline powder are dissolved in water at the same time to react, and some of them will start to release carbon dioxide (CO), and at the same time, more gas will be released during baking and heating, which will make the product swell and soften.

Fast-reaction baking powder starts to work only when it is dissolved in water, while slow-reaction baking powder starts to work during baking and heating. Among them, the double reaction baking powder has the reaction characteristics of fast and slow baking powder. Generally, the baking powder purchased in the market is double reaction baking powder.

Although baking powder contains baking soda powder, acid powder (such as Tata powder) is added after precise detection to balance its pH value. So basically, although baking powder is alkaline, baking powder on the market is neutral. Therefore, baking powder and baking powder cannot be replaced at will.

As a filler in baking powder, corn flour is mainly used to separate acidic powder and alkaline powder in baking powder to avoid their premature reaction. Baking powder should also be preserved as much as possible to avoid premature failure due to moisture.

Refer to the above contents: Baidu Encyclopedia-baking powder, Baidu Encyclopedia-baking soda.