Five types of substances should be added:
High quality protein
It is mostly contained in animal foods and legumes, such as fish, shrimp, lean meat, eggs, milk, tofu, soybean milk, etc. In addition, these foods are also rich in calcium, iron, vitamin A, vitamin B2 and vitamin D; Because livestock meat contains more saturated fat, so don't eat it twice in a day.
carbohydrate
All the functions of the human body basically rely on sugar to provide energy, mainly from rice.
B vitamins
It is an important substance to help protein play its role, and it is mostly contained in coarse grains, millet and animal viscera.
iron
The formation of iron and hemoglobin is inseparable, which can help transport oxygen; The intake of iron must be guaranteed, which can be obtained from duck blood, pig blood, lean meat and other foods.
Fruits and vegetables
This kind of food is rich in vitamin C and dietary fiber, which can promote food absorption; In addition, this kind of food can also help digestion and increase appetite, especially in hot summer, when appetite is low, and the review exam is tense, eating some fresh fruit can stimulate appetite.
Three types of food should be eaten less:
Greasy food
Oils contain a lot of tryptophan, which will inhibit the brain after being converted into neurotransmitters; Therefore, before and during the college entrance examination, candidates should try not to eat fried and fried foods, and their diet should be light.
Carbonate Beverages
Summer is coming, many candidates like to drink carbonated drinks such as cola, but the carbon dioxide contained in these drinks is easy to cause indigestion, and some also contain caffeine and other ingredients. Parents of students can prepare cold boiled water, mineral water, mung bean soup and other summer drinks at home to replace these carbonated drinks.
Street snack
It is best not to go to food stalls, barbecue stalls and other places to eat, so as not to cause gastrointestinal diseases.