1. White potatoes: White potatoes contain tannins and colloids, which will stimulate the stomach wall to secrete more gastric acid, causing discomfort such as heartburn.

2. Persimmons: Persimmons contain a lot of pectin and tannic acid. The above substances react chemically with gastric acid to form insoluble gel blocks, which can easily form stomach stones.

3. Milk: Milk contains a lot of protein. If you drink it on an empty stomach, the protein (protein food) will be "forced" to be converted into heat energy and consumed, which will not provide nutritional nourishment. The correct way to drink it is to eat it with flour-containing foods such as snacks and bread, or drink it two hours after a meal, or drink it before going to bed.

4. Sugar: Sugar is a kind of food that is very easy to digest (digestible food) and absorb. If you eat a lot of sugar on an empty stomach, the human body will not be able to secrete enough insulin in a short time to maintain the normal value of blood sugar, causing the blood to A sudden increase in blood sugar (blood sugar food) can easily lead to eye diseases. Moreover, sugar is an acidic food. Eating sugar on an empty stomach will also destroy the acid-base balance and the balance of various microorganisms in the body, which is harmful to health.

5. Oranges: Oranges contain a large amount of organic acids, fruit acids, maslinic acid, citric acid, etc. Eating them on an empty stomach will increase gastric acidity, cause adverse irritation to the gastric mucosa, and make the stomach full and full. Belching and vomiting sour water.

6. Bananas: Bananas contain a lot of magnesium. Eating bananas on an empty stomach will cause the magnesium in the human body to rise suddenly and destroy the magnesium-calcium (calcium food) balance in the human blood, causing cardiovascular consequences. Inhibitory effect, detrimental to health.

7. Hawthorn: Hawthorn contains a large amount of organic acids, fruit acids, maslinic acid, citric acid, etc. Eating it on an empty stomach will cause gastric acid to surge, causing adverse irritation to the gastric mucosa, making the stomach full and full. Belching and vomiting sour water.

8. Tomatoes: Tomatoes contain a lot of pectin and tannic acid. The above substances react chemically with gastric acid to form insoluble gel blocks, which can easily form stomach stones. Extended information

Notes:

1. Avoid strong and irritating foods. Eating on an empty stomach highly irritating foods such as overly spicy, overly acidic, overly salty, and frozen foods can damage the gastric mucosa or intestinal wall, cause gastrointestinal spasm, colic, and induce gastrointestinal diseases. For women during menstruation, eating highly irritating foods on an empty stomach can also cause menstrual disorders and dysmenorrhea.

2. Avoid foods with high protein content. If you eat too much protein-rich foods such as milk, soy milk, eggs, and meat on an empty stomach, the protein will be "forced" to be converted into heat energy and consumed, which will not provide nutritional nourishment. In addition, in a short period of time, excessive amounts of protein accumulate together, and a large amount of harmful substances such as urea and ammonia will be produced during protein decomposition, which is detrimental to human health.

3. Avoid high-sugar foods. Since the human body cannot secrete enough insulin in a short period of time to maintain normal blood sugar levels, excessive consumption of white sugar, brown sugar, snacks, sweet potatoes and other sugary foods on an empty stomach can easily cause a sudden rise in blood sugar. Excessive consumption of sugary foods on an empty stomach will also destroy the acid-base balance in the body, causing stomach discomfort, heartburn, acid vomiting and other symptoms.

People's Daily Online - There are taboos on eating on an empty stomach. Do not eat these foods on an empty stomach