Almost all delicious foods are acidic, such as fish, meat, rice, wine and sugar. On the contrary, alkaline foods, such as kelp, vegetables, white radish and tofu, are mostly foods that are not easy to arouse appetite but are beneficial to health. The layman thinks that sour things are acidic foods, such as strawberries and lemons, which make people drool at first sight. In fact, these things are typical alkaline foods, and this is the trouble.

It can be judged by referring to the contents of calcium and phosphorus in food. Calcium-rich foods are alkaline foods, while phosphorus-rich foods are acidic foods. Therefore, we should carefully review what we eat on weekdays, whether there is a tendency of excessive acidity.

white rice is a typical acidic food, and China people who take it as their staple food will easily become acidic if they don't consume a considerable amount of alkaline food. Especially in recent years, environmental pollution, pesticide pollution of fruits and vegetables, chemically processed food and other hazards caused by industrial development have intensified, and the acidification of soil has led to a relative lack of calcium in food.

In addition, there is another reason for acidic constitution, that is, the mental stress reaction of urbanites. The pressure from the outside, through the diencephalon, reaches the accessory kidney and pituitary gland, and then reaches various organs by hormone secretion. At this time, if the calcium ion in the blood is determined, it will definitely drop below the normal value, that is, the pressure will reduce the calcium ion in the blood and make the blood acidic. In a word, environmental pollution and abnormal living and eating habits make our constitution gradually acidic, and the disorder of life pace will cause acidic constitution, too nervous mood and the load of the body undergoing surgery will easily make our constitution acidic.

Our daily intake of food can be roughly divided into acidic food and alkaline food. From the point of view of nutrition, the reasonable combination of acidic food and alkaline food is the guarantee of good health.

List of food acidity and alkalinity

Strongly acidic foods: egg yolk, cheese, dessert, sugar, tuna and flounder.

acidic food: ham, bacon, chicken, pork, eel, beef, bread and wheat.

Weakly acidic food: white rice, peanuts, beer, seaweed, octopus, chocolate, hollow powder and onion.

Strong alkaline foods: grapes, tea, wine, kelp, citrus, persimmons, cucumbers and carrots.

moderately alkaline foods: soybeans, tomatoes, bananas, strawberries, proteins, dried plums, lemons, spinach, etc.

weakly alkaline foods: red beans, apples, cabbage, tofu, cabbage, rape, pears and potatoes.

most people have a vague understanding of the acidity and alkalinity of food, and think that lemon that tastes sour is acidic. In fact, the acidity and alkalinity of food is not judged by simple taste. The so-called acidity and alkalinity of food refers to whether the inorganic salts in food are acidic or alkaline. The acidity and alkalinity of food depends on the type and content ratio of minerals contained in food: potassium, sodium, calcium, magnesium and iron present alkaline reaction after entering human body; Phosphorus, chlorine and sulfur are acidic after entering the human body. Alkaline foods are mainly divided into: 1. Vegetables and fruits; Second, seaweed; Third, nuts; 4. Cereals and beans that have sprouted. Avoid or reduce the intake of the following acidic foods: 1. Starch; Second, animal food; Third, sweets; 4. Refined and processed foods (such as white bread); 5. Fried food or cream; Vi. beans (such as peanuts)

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