Many online websites don't say eating apples is harmful. Personally, I think it's okay to eat apples on an empty stomach as long as it's not excessive. No harm! When to eat apples and whether to eat them on an empty stomach, there are not many taboos, as long as there is no problem with gastrointestinal function. And there are still three days of apple diet!
And it contains a lot of sugar, so people are usually hungry in the morning. Eating apples can supplement sugar, so eating apples in the morning has high nutritional value. Eating apples on an empty stomach can help digestion. In addition, it is rich in sugar, acid, aromatic alcohol and pectin, and also contains vitamins B and C and nutrients such as calcium, phosphorus, potassium and iron. Medicinal use, recorded as early as the Tang Dynasty, not only benefits the heart and spleen, but also produces fluid to quench thirst, and has the functions of "moistening the lungs and pleasing the heart, producing fluid to stimulate appetite and sober up". Modern medical research has proved that patients with severe edema eat more apples, which is beneficial to supplement potassium and reduce side effects. Eating more apples during pregnancy can not only supplement vitamins and other nutrients, but also adjust the balance of water saving, salt and electrolyte to prevent acidosis caused by frequent vomiting. It can also be used as an antidiarrheal agent. In Compendium of Materia Medica, there is a saying that "half-cooked food 10 tablet, 2 liters of water and fried food 1 liter". There are also folk methods to treat chronic diarrhea, neurocolitis and intestinal tuberculosis with apples. Germans also use "Moro Apple Therapy" to treat enteritis. In addition, eating an apple on an empty stomach every morning and evening can treat dry stool. Eating after meals has a certain effect on nausea and indigestion; Patients with hypertension can get antihypertensive effect by eating apples three times a day, each time 1-2 apples.
So the key still depends on the amount of control!
Fruits that should not be eaten on an empty stomach are:
Tomato contains a lot of pectin, persimmon gum phenol, soluble astringent and other ingredients, which are easy to react with gastric acid and condense into insoluble blocks. These lumps will block the pylorus, the outlet of the stomach, increase the pressure in the stomach, cause the stomach to expand, and make people feel swollen and painful.
Persimmon contains persimmon gum, pectin, tannic acid and lycopene, which has a strong astringent effect. When the stomach is empty, it meets strong acid, which is easy to combine with gastric acid and condense into insoluble lumps. Small lumps can be discharged with feces to form large lumps, which are easy to cause "stomach persimmon disease", which is called "persimmon disease" in Chinese medicine.
Bananas contain a lot of magnesium. If you eat a lot of bananas on an empty stomach, the magnesium content in your blood will suddenly increase, which will lead to the imbalance of magnesium and calcium in your blood, inhibit the cardiovascular system and be harmful to your health.
Oranges and orange juice contain a lot of sugar and organic acids. Eating oranges on an empty stomach will stimulate the gastric mucosa.
Don't eat too much sugar cane or fresh litchi on an empty stomach, or you will have a "hyperosmotic coma" because of the sudden infiltration of too high sugar into the body.
The sour taste of hawthorn has the function of promoting qi circulation and promoting digestion, but if eaten on an empty stomach, it will not only consume gas, but also increase hunger and aggravate stomach problems.