Children are an important period for physical growth and knowledge acquisition, during which their growth and development are vigorous.
Height and weight have increased rapidly. In order for children to develop healthily, in addition to
Pay attention to nutritional requirements and cultivate good eating habits.
(l) Children's nutritional needs: Children are lively and active, and their muscle system develops rapidly.
So the demand for heat energy and protein is high. In protein, lysine is important for growth.
Development is more important. It is necessary to supplement enough calcium and phosphorus and ensure the return of vitamins.
Intake of C, D, B 1 and B2 and supply of iron, iodine, zinc, magnesium and other elements.
(2) Children's dietary precautions:
(1) The food should be soft and easy to digest, and with the increase of age, the food intake will gradually increase.
Types and quantities of things.
(2) Food should be diversified to avoid partial eclipse and food choice.
(3) Appropriately increase the number of meals to make children moderately hungry and avoid overeating.
(4) Pay attention to food hygiene to prevent diseases from entering the mouth.
What are the dietary requirements of teenagers?
Adolescence is the golden age of physical and intellectual growth in life. At this moment
During this period, all parts and organs of the whole body gradually developed and matured. And the process of sexual maturity.
Education, learning ability, labor efficiency and nutritional status are closely related. for
In order to make teenagers grow up healthily, we should pay attention to the following special requirements in our diet:
(l) Teenagers with heat energy need heat energy because of their fast growth and large activity.
It needs a lot of calories, with an average of about 2800 calories per day.
(2) Teenagers in protein need more protein than adults, and
The quality is higher than that of adults, and it costs about 80 ~ 90 protein every day.
Dick. Teenagers should eat more animal protein, such as eggs, milk, lean meat and animals.
Liver. In addition, animal protein should be distributed in three meals, not concentrated.
Eat one meal to avoid increasing the burden on the gastrointestinal tract.
(3) Vitamins are indispensable substances for human growth and development.
It is especially important for teenagers. If you lack vitamins for a long time, it will affect your growth.
Development, even vitamin deficiency. If vitamin A is deficient, you will suffer from night blindness.
Symptoms, dry eye; Vitamin b; Lack, will suffer from neuritis, beriberi; vitamin B2
Lack. Will suffer from angular stomatitis and glossitis; Vitamin c deficiency can lead to scurvy; vitamin
D deficiency will affect its bone development and so on. For this reason, teenagers had better eat 500 a day.
One gram of fresh vegetables.
(4) Inorganic salt teenagers need to have enough elements such as calcium, phosphorus, iron and iodine.
Calcium and phosphorus are the main substances that make up bone roads and teeth. Teenagers lack calcium and phosphorus and return.
There will be obstacles in the development of bone canal, and rickets can occur in severe cases. Iron is the weight of red blood cells.
The main ingredient is that with the growth of the body, the blood volume of teenagers gradually increases, and the demand for iron also increases.
Too much, if iron deficiency is easy to anemia. Iodine is an important component of thyroxine.
In a word, thyroxine can promote metabolism and the development of nerve-bone pathway. Teenagers if
If you don't eat enough iodine, you will be short and mentally retarded.