Authentic Chongqing noodles are alkaline water, the noodles are yellow in color and have a strong alkaline taste. Chongqing noodles must use fresh water, which Chongqing people call "water leaves".

Alkaline water is a natural alkali, and its main components are sodium carbonate and potassium carbonate. Proper alkali can make the powder absorb water when it is decomposed by heat, and achieve good viscoelasticity. Alkaline water also has the functions of anticorrosion and neutralization of acidity.

Extended data:

The main components of alkaline water surface are protein and carbohydrates. The nutritional components of alkaline water surface added with auxiliary materials change with the type and proportion of auxiliary materials, which is easy to digest and absorb.

References:

Baidu encyclopedia-alkaline water surface