It's best to wipe apples in cold water before eating them raw or boiling them. If exposed to air, pulp will be oxidized and turn black. In order to prevent oxidation, it should be eaten quickly or cooked according to the characteristics.
When you cook apples, you can add enough water and cook them gently. In order to improve the speed, you can slice the apple and heat it in the microwave oven for 2 minutes. Decide whether to add sugar and other kinds of fruits according to the types of apples. After the apple is cooked, the content of polyphenols natural antioxidants will be greatly increased, which can achieve the effects of lowering blood sugar, diminishing inflammation and sterilizing.
The benefits of apple:
1, blood: Iron can only be absorbed under acidic conditions in the presence of vitamin C, so eating apples has a good preventive effect on iron deficiency anemia.
2, skin care: apples are rich in magnesium, magnesium can make the skin rosy, shiny and elastic.
3, protect the heart: apple fiber, pectin, antioxidants and so on. It can reduce bad cholesterol in the body and increase cholesterol content, so eating one or two apples a day is not easy to get heart disease.
4, apples eat raw to cure constipation, cooked to cure diarrhea: apples are rich in tannic acid, pectin, dietary fiber and other special substances. Tannic acid is an intestinal astringent, which can reduce intestinal secretion and reduce the water in stool, thus stopping diarrhea. Pectin is a "two-faced person". Unheated raw pectin has the functions of softening stool and relieving constipation, while cooked pectin has the functions of convergence and antidiarrheal.
The above contents refer to Baidu Encyclopedia-Apple, People's Daily-4 things you don't know about eating apples.