The useful and curing features of apple are determined by its healing characteristics. Apple contains vitamins C, B1, B2, P, E, carotene, potassium, iron, manganese, calcium, pectin (capable of driving out from the body penetrating harmful substances, such as mercury, arsenic, etc.), sugar, organic acid. Apple also contains large amounts of microelements such as potassium, phosphorus, magnesium, sodium, sulfur, aluminum, boron, iron, vanadium, iodine, copper, molybdenum, nickel, fluorine, chromium, and zinc. Apple contributes to the regulation of function of gastrointestinal tract and digestive system process, increases the appetite. Apple peel contains flavonoids, a large amount of antioxidants, quercitins, which together with vitamin C prevent penetration of harmful substances into the organism.