Apple belongs to Rosaceae, which is the most important fruit in China and the most widely planted fruit with the highest yield in the world. It tastes sweet and sour and is nutritious. According to the determination, every100g of apple contains 6.5 ~11.2g of fructose, 2.5 ~ 3.5g of glucose and 0/.0 ~ 5.2g of sucrose. There is an American proverb: "If you eat an apple at every meal, you don't need to ask the doctor." Although this statement is somewhat exaggerated, the nutritional and medicinal value of apples can also be seen. Because apples contain comprehensive nutrition and are easily digested and absorbed by the human body, they are very suitable for infants, the elderly and patients.

Apple can not only regulate gastrointestinal function, lower cholesterol, lower blood pressure and prevent cancer,

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It can also enhance children's memory. Apple not only contains a variety of vitamins, lipids, minerals, sugars and other essential nutrients for the brain, but also contains fine fibers beneficial to children's growth and development and zinc that can enhance children's memory. Zinc is an essential element for the formation of nucleic acids and protein closely related to memory. Zinc deficiency will lead to the hypoplasia of hippocampus at the edge of cerebral cortex. In order to make our memory better, it is suggested to eat more apples in a reasonable amount.

Nutritional value of apples;

Apple has the reputation of "wisdom fruit" and "memory fruit". People have long found that eating more apples can improve memory and intelligence. According to research, zinc is a component of many important enzymes in human body and a key element to promote growth and development. Zinc is widely involved in the metabolism of protein, fat and sugar in the body through enzymes.