How to eat apples: It is best to eat apples with the skin on
Apples are rich in vitamin C, vitamin E, polyphenols and flavonoids. They are all natural antioxidants and are good for preventing It is especially effective for cardiovascular and cerebrovascular diseases. Apples are much richer in calcium than ordinary fruits, which can help metabolize excess salt and help lose weight. Apple is the protector of cardiovascular disease and a healthy fruit for heart disease patients because it does not contain saturated fat, cholesterol and sodium. The gum in apples can keep blood sugar stable and can effectively lower cholesterol.
Some data show that people who like to eat apples have a lower chance of catching a cold. Eating apples improves respiratory system and lung function and protects the lungs from pollution and smoke. Apples can also prevent cancer and lead poisoning. A new study from the State University of Rio de Janeiro in Brazil found that eating three small apples a day can help women lose weight.
However, many people like to peel off the apple skin when eating apples. However, many of the nutrients in apples are hidden in the apple skin.
Apple peel contains many biologically active substances, such as phenols, flavonoids, and octacosanol. These active substances can inhibit angiotensin-converting enzyme that causes blood pressure to rise. Helps prevent chronic diseases, such as cardiovascular disease and coronary heart disease, and reduce their incidence; it can also reduce the incidence of lung cancer. Foreign studies have shown that apple peel has stronger antioxidant properties than pulp. The antioxidant capacity of the peel of an ordinary-sized apple is equivalent to the antioxidant capacity of 800 mg of vitamin C. Apple peel can inhibit the growth of bacteria in the mouth and protect teeth. It can also make the skin white and tender, prevent the production of melanin, and have beauty effects. Therefore, it is recommended that people eat apples with their skins on.
What to do if there is wax on the apple skin
In order for the apples to stay fresh for a long time, be easy to store, and look good, fruit sellers will wax the apples. In fact, the wax on apple skin is mainly divided into the following three types:
The first is natural fruit wax, which is a lipid component and is a plant protective layer generated on the surface of apples. It can effectively It prevents external microorganisms, pesticides, etc. from invading the pulp and plays a protective role, which does not need to be removed.
The second type is artificially added edible wax. This "artificial fruit wax" is actually a chitosan substance, which is mostly extracted from crustaceans such as crabs and shells. This substance itself is not harmful to the body. Its function is mainly used to preserve freshness and prevent apples from rotting and deteriorating during long-distance transportation and long-term storage. It is also very simple to remove this layer of wax, just rinse it with hot water.
The third type is industrial wax. The mercury and lead contained in it may penetrate into the pulp through the peel and cause harm to the human body. The identification method is: wipe the surface of the peel with your hands or a napkin. If a layer of light red substance can be wiped off, it may be industrial wax. To deal with this kind of wax, you can put the apples into hot water of moderate temperature. The wax will melt when heated, but the water temperature should not be too high. Special reminder: Never soak and wash fruits for a long time, because this will cause harmful substances such as pesticide residues and microorganisms to penetrate into the pulp. Not only will the cleaning purpose not be achieved, but the more you wash, the dirtier you will get, which is harmful to your health. .