1. It neutralizes the acid in the inverted syrup to prevent the sourness of the mooncakes from affecting the taste and mouthfeel;

2. Controls the speed of oil return and adjusts the softness and hardness of the cake skin;

3. It increases the alkalinity of the mooncake skin, which is conducive to the coloring of the mooncakes. The higher the alkalinity, the easier it is for the mooncake skin to color;

4. It is the process of alkaline water and acid. The neutralization reaction produces a certain amount of carbon dioxide gas, which promotes the moderate expansion of the mooncakes and makes the mooncake skins more loose and non-deformable.

Extended information:

Alkaline water substitute:

Baking soda solution

Baking soda is sodium bicarbonate, also called acid Sodium carbonate is an acid salt with the chemical formula NaHCO3. It can usually be used to make bread and make soda. The pH value of saturated sodium bicarbonate solution at room temperature is about 10.

Dissolve 1/2 tsp baking soda and 1 tsp water and take the clear liquid.

If you are making mooncakes, it is best to use soda water. You can buy baking soda (Baking Soda). Put the baking soda powder into the oven and adjust the temperature to 450 degrees Fahrenheit (232 degrees Celsius), bake for 30 minutes to make edible alkaline noodles.

Baidu Encyclopedia-Alkaline Water