1. Adding alkali can prevent noodles from becoming sour. Noodles in restaurants are prepared in advance, and noodles that can't be sold out on the same day may be left for the next day, especially when the weather is hot, and noodles are more likely to sour. So the restaurant adds edible alkali when cooking noodles. In case the noodles turn sour, this edible alkali can neutralize the sour taste, so that diners can't eat sour taste. Alkali can neutralize organic acids or sulfides attached to dark green vegetables due to excessive spraying of pesticides, which can not only maintain the original color of vegetables, but also remove the pollution of pesticides on vegetables.

In fact, edible alkali is not commonly used in life. It is usually used as food filler and meat tenderizer. Adding edible alkali to flour can soften fiber and neutralize the sour taste caused by long-term fermentation. In addition, adding edible alkali when soaking seafood can make seafood foam fuller. Alkaline water can help food digestion, neutralize gastric acid and inhibit fungal infection. The usual alkaline water refers to sodium bicarbonate solution, which can promote the structural changes of starch, protein and other components and is easily digested.

Drinking alkaline water regularly can not only delay aging, but also make the skin elastic and prevent wrinkles from appearing on human skin. Drinking alkaline water can also adjust the internal environment and pH value of the human body, thus preventing excessive accumulation of acidic substances in the human body. Drinking alkaline water often can also discharge toxins and wastes in the human body, thus achieving the effect of improving immunity. Alkaline water can beautify skin. Acidic constitution can easily lead to premature aging, skin relaxation, increased wrinkles and memory loss. Drinking alkaline water regularly can keep the acid-base balance of human body and delay aging.

Long-term use of alkaline water will lead to loss of appetite, and at the same time, the digestive function will become worse, which is not easy to absorb, and in severe cases, it will lead to alkalosis. Therefore, the use of alkaline water should be appropriate, otherwise it will bring harm to the body. Drinking alkaline water will weaken the digestion ability of gastric acid, and the food eaten in the stomach will not be fully digested and decomposed, leading to a series of gastrointestinal diseases. Food that stays in the intestine for a long time will increase the frequency of constipation, abdominal distension and stomachache, and will also affect the absorption of iron, which will lead to anemia and hypoglycemia for a long time.