1. The food composition in the daily diet should be diversified, and various nutrients should be complete, including energy-supplying foods, namely protein, fat and carbohydrates; Non-energy-supplying foods, namely vitamins, minerals, trace elements and cellulose. The combination of thickness, meat and vegetables, and reasonable combination provide necessary heat and various nutrients for dieters.
2, all kinds of nutrients must meet the needs of children's growth and development, not too much, not too little.
3. The ratio between nutrients should be appropriate. For example, the calorie ratio of protein, fat and carbohydrate is 1︰2.5︰4, high-quality protein should account for 1/2 ~ 2/3 of the total amount of protein, and animal protein should account for 1/3. The heating ratio of three meals is about 30% for breakfast, 40% for Chinese food, 25% for dinner and 5% ~ 10% for snacks in the afternoon.
4, scientific processing and cooking, food after processing and cooking should try to reduce the loss of nutrients, improve digestion and absorption rate.
5, a good dining system, three meals a day regularly quantitative, appropriate proportion of heat energy distribution, develop good eating habits.
6. Food is non-toxic and harmless to human body to ensure safety. Food should not contain all kinds of harmful factors that cause harm to human body. Harmful microorganisms, chemicals, pesticide residues and food additives in food shall comply with the provisions of the national food hygiene standards.
Extended data:
Matters needing attention in balanced diet
1, according to your own energy level, determine the daily intake range of various foods for ordinary healthy adults. According to seven energy levels, suggest the intake of 10 foods respectively, and the application should be based on your own energy needs.
2, similar food exchange, deployment of colorful meals. Prepare three meals a day according to the principle of similar exchange and diversity.
We should adjust measures to local conditions and make full use of local resources. China is a vast country with different eating habits and products. Only by adapting to local conditions and making full use of local resources can we effectively balance our diet.
4, scientific processing and cooking, food after processing and cooking should try to reduce the loss of nutrients, improve digestion and absorption rate.
Baidu encyclopedia-balanced diet