Zinc. Apple is rich in zinc. Zinc is a component of many important enzymes in human body and a key element to promote growth and development. Zinc is also an essential element of protein and nucleic acid closely related to memory. Therefore, eating apples has a health care function of enhancing memory.

Compared with other fruits and vegetables, quercetin in apples is the best, and red apples are better than yellow apples and green apples. Therefore, apples are the best food for patients with Alzheimer's disease and Parkinson's disease.

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Apples contain mineral elements boron and manganese that can strengthen bones. A study in the United States found that boron can greatly increase the concentration of estrogen and other compounds in the blood, which can effectively prevent calcium loss. Medical experts believe that if postmenopausal women can consume 3 grams of boron every day, the calcium loss rate can be reduced by 46%. Postmenopausal women eat more apples, which is beneficial to the absorption and utilization of calcium and the prevention and treatment of osteoporosis.

After apple pectin enters the human body, it can combine with bile acids, absorb excess cholesterol and triglycerides like a sponge, and then excrete it. At the same time, the acetic acid decomposed by apple is beneficial to the catabolism of these two substances. In addition, vitamins, fructose and magnesium in apples can also reduce their content.

People's Network-Health Care: Different colors of apples have different health care functions.