Nowadays, people usually remove the fruit peels when they eat fruits. They are afraid of the possible pesticide left on the peels. In fact, fruit peels contain abundant nutrients and antioxidants which are rather beneficial to prevent chronic diseases. They are very effective in health care.

The peel of apples contains a large number of dietary fibers which can improve the digestion. Nearly a half of the content of vitamin C contained in apples is stored in the position next to the peel. The inoxidability of the peel is stronger than that of the flesh, and even stronger than that of any other fruit. Nowadays, many manufacturers have begun to extract active substances from the apple peels to develop functional foods.

The peel of grapes can effectively lower the blood fat. The peel contains rich resveratrol which plays an important role in lowering the blood fat, resisting thrombosis, preventing arteriosclerosis, and enhancing the human immunity. Especially the flavonoids contained in purple grape peels have the effect of reducing the blood pressure. In addition, other nutrients like cellulose, pectin and iron are contained in grape peels. Nowadays, many people have made use of grape peels to develop new foods to treat high cholesterol and diabetes and so on.

The peel of oranges plays a positive role in dissolving phlegm and stimulating the appetite. Orange peels contain abundant vitamin C, carotene and protein and can be made into various delicious foods. The porridge made of orange peels can treat thoracic and abdominal distension. Orange peels can reduce the greasiness in the meat soups. Orange peels can also be used to make tea, which can stimulate the appetite and refresh ourselves. The functions of orange peels are nearly as same as those of lemon peels.

The functions of cucumber peels must also be stressed. As much bitter principle is contained in cucumber peels, cucumber peels are the core of the nutrition of cucumbers. Cucumber peels can not only make vitamin C absorbed easily by the human body, but also help people eliminate the toxins effectively. In addition, cucumber peels play an important role in resisting bacteria and eliminating inflammation. The acetarious mixture of the boiled peels of watermelons, cucumbers and white gourds is the best food for the dieters.

Therefore, the peels of fruits have various functions in health care. However, the fruits should be organic ones in order to make sure that the peels are clean enough without any pesticide left on them.