The first is deep-sea fish. Deep-sea fish are rich in polyunsaturated fatty acids, especially docosahexaenoic acid (DHA), which is an essential substance for the brain. This substance is very helpful for maintaining and improving memory. Of course, the improvement of memory does not mean that eating some deep-sea fish on the day of the exam will have an effect. DHA is not abundant in other freshwater fish and terrestrial organisms, but the most abundant is deep-sea fish, such as salmon, tuna and saury. This is not enough for the teacher to advise everyone to eat more saury. Fish oil is rich in DHA and affordable.

Second, soy products. There is a certain difference between the dinner a few days before the exam and the dinner on the day of the exam. Bean products are rich in high-quality protein, which is an important nutrient to be supplemented before the exam. Its amino acid composition ratio is suitable for human body to absorb and utilize. The most important thing is that protein, which is rich in bean products, is a plant protein and will not bring a burden to the body. Therefore, candidates are advised to consume more soy products before the exam, such as tofu, dried bean curd, dried bean curd and yuba.

Third, fruits and vegetables. Candidates should insist on eating vegetables and fruits rich in vitamin C. VC helps to improve the utilization rate of oxygen in the brain, keep the brain excited and avoid the phenomenon of slow response. At the same time, VC can also improve human immunity and prevent some diseases; Dietary fiber rich in vegetables and fruits can also improve gastrointestinal function, prevent sudden gastrointestinal diseases and affect candidates' pre-test status.

Fourth, coarse grains. Students' staple food should be coarse grains before the exam. They are rich in B vitamins, which can increase appetite and ensure a balanced nutritional intake; At the same time, the sugar rising coefficient of coarse grains is slow, and the physiological state of candidates before the exam is prone to fluctuation. Coarse grains can stabilize the blood sugar level of candidates before the exam. From now on, candidates can eat more oats, buckwheat, corn, sweet potatoes, potatoes and so on.

Auricularia auricula: It contains protein, fat, polysaccharide, minerals, vitamins and other nutrients, and is a good product for nourishing the brain.

People's Daily Online-Issue 163: Eating four kinds of food before the college entrance examination is a good helper to improve memory.

Reference to the above content: People's Daily Online-What do college entrance examination candidates eat to replenish their brains? Quickly improve memory