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Apples can be seen everywhere, and have always been known as "puzzle fruit" and "memory fruit". It is rich in vitamins, antioxidant quercetin, pectin, iron and other trace elements, which is beneficial to the brain, helps to lose weight and has antidiarrheal and laxative effects.

However, apples of different colors have different nutritional effects.

Red apples: protect the cardiovascular and cerebrovascular

Red apples are rich in anthocyanins and flavonoids, which have good antioxidant properties, can improve circulation and protect the heart.

Therefore, red apples are especially suitable for patients with cardiovascular and cerebrovascular diseases and hyperlipidemia.

In addition, researchers at Cornell University in the United States found that apples help protect nerve cells from oxidative stress, reduce the risk of people suffering from cognitive impairment, and have certain benefits for the brain.

The antioxidant quercetin contained in red apples is high, which has a health care effect on the brain. The editor recommends that the elderly can eat more.

Green Apple: soothes the liver and relieves stagnation

The taste of green apples is sweet and sour, and the flesh is crisper. It is rich in dietary fiber, polyphenols, vitamin C and other nutrients. It has high fruit acid content and low calories. It has a good effect of soothing the liver and relieving depression for those who are emotionally tense.

At the same time, the calcium in green apples can promote the growth of teeth and bones, prevent gum bleeding, and are more suitable for young people to eat.

Yellow apples: protect eyesight

The flesh of yellow apples is creamy white, soft and sweeter than the other two types of apples.

In addition to the general nutritional elements, yellow apples are also rich in flavonoids and carotenoids, which can be converted into vitamin A in the body after ingestion, which has a good protective effect on eyesight. For people who stay up late and often need to use their eyes Those who benefit.

Is it true that "an apple a day keeps the doctor away"?

Whether this widely circulated proverb is credible or not has been confirmed by research.

The Journal of the American Medical Association Internal Medicine once published a study "the relationship between eating apples and going to the hospital". The study surveyed 8,400 men and women in the United States, 753 of whom ate an apple a day.

In the end, the conclusion of the study was that the relationship between eating apples and going to the hospital was not significant, that is, the two events were not very related. However, eating apples often is still good for your health, so you are right to eat more!