most people eat apples will peel, because they are afraid of pesticide residues and wax, but did not eat apple peel will lose a lot of nutrition Oh! Relevant experts also pointed out that the nutrition of apple is connected to the skin. What are the benefits of eating apples with skin? Let’s have a look!

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1. The skin of medium-sized apples contains 8.4 mg of vitamin C and 98 international units (IU) of vitamin A. After peeling, apple pulp contains only 6.4 mg and 61 IU.

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2. The skin of a medium-sized apple contains 4.4 grams of dietary fiber. After peeling, the dietary fiber in Apple meat was only 2.1g. Apples are eaten with skin to protect lung. Apple peel is rich in natural antioxidant quercetin, which can protect the lungs from pollutants, according to a study published in the American Journal of health. Eating at least five apples a week can improve lung function.

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4. A study conducted by Cornell University food science expert Professor Liu Ruihai and his colleagues found that apple skin has good anti-cancer and anti-cancer effects. Researchers have identified more than a dozen triterpenoids from apple peel, all of which can inhibit the growth of cancer cells such as liver cancer, colon cancer or breast cancer, and can also kill cancer cells. 5. Eating apples with skin can protect memory. An early study also found that the antioxidant quercetin in apple peel helps protect memory by preventing brain tissue damage associated with degenerative diseases such as Alzheimer’s disease. Eating an apple with skin every day can help you lose weight. Apple is a high fiber, low calorie food, often eat not easy to feel hungry and less calorie intake, help to lose weight. Many nutrients of

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fruits and vegetables are antioxidant substances of

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. Whether it is polyphenols such as anthocyanins, flavonoids and other polyphenols, or vitamin C, they have a strong antioxidant effect, can resist the damage of free radicals on the human body, prevent cardiovascular diseases, and improve the body’s immunity. The content of these nutrients in the skin may be higher than that in the pulp. For example, grape skin not only contains a large number of antioxidants, but also contains resveratrol, which can reduce blood fat, antithrombotic and prevent arteriosclerosis; apple skin is rich in vitamin C, anthocyanins and other polyphenols.

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are anticancer components. Pungent radish skin contains quite a lot of isothiocyanates, which is the key component in radish anti-cancer effect; lycopene in tomato peel is one of the most powerful natural substances found so far, which can prevent cardiovascular disease and cancer.

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dietary fiber and other nutrients. Most fruits and vegetables skins and grain skins are rich in dietary fiber, which can promote intestinal peristalsis and help prevent constipation, such as apple skin, tomato skin, grape skin and red bean skin. At the same time, the skin is also rich in minerals and vitamins. For example, eggplant skin contains vitamin P and B vitamins, pear skin is rich in iron and zinc, and the content of chromium in apple skin is much higher than that in flesh. From the perspective of traditional Chinese medicine, some skin also has special effects, such as wax gourd skin has the effect of heat elimination, spleen strengthening and dampness removing.

salt water for vegetables and fruits

many people are worried that there will be pesticide residues on the surface of apple peel. In fact, after proper cleaning, they can eat at ease. Industry insiders remind that to eat fruits and vegetables with skin, you must first clean them. Generally, washing fruits and vegetables under tap water for 30-60 seconds can help remove 98% of bacteria on vegetables and fruits. Stubborn stains can be washed with vegetable brush or fingers. In addition, when washing fruit, add salt can effectively remove the bacteria on it. After wetting with water, rub salt on the top and rub it back and forth, and then rinse it with water. People who like to eat fruits and vegetables with skin might as well try this method.

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