If your apples are small, about five are only a catty, and each apple is about100g, then the total calories are about 50 calories. Apple is known as "living water" because of its high solubility and easy absorption by human body. It is beneficial to dissolve sulfur and make skin smooth and tender.
Apple contains more potassium, which can be combined with excess sodium salt in the human body to excrete it. When the human body ingests too much sodium salt, eating some apples is beneficial to balance the electrolytes in the body. The phosphorus, iron and other elements contained in apples are easily absorbed by the intestinal wall, which has the functions of nourishing the brain, calming the nerves and helping sleep.
Extended data
Low calorie food:
Vegetables: asparagus, broccoli, Chinese cabbage, radish, celery, cucumber, onion and tomato.
Fruits: apples, grapes, lemons, mangoes, oranges, pineapples, strawberries, almonds, bananas, cherries, cranberries, grapefruit, guava, kiwi, lychee, papaya, etc.
Nuts: Brazil nuts, chestnuts, coconuts, macadamia nuts, peanuts, pinecones, walnuts, etc.
Reference materials? Baidu encyclopedia-calories