What are the basic requirements for a reasonable diet?

First, the types and quantities of energy and various nutrients should meet the actual needs of the human body, so as to maintain basic life activities such as metabolism, growth and development, tissue repair, and meet the consumption needs of the human body engaged in various labor and life activities. For example, if the intake of carbohydrates, fats and protein exceeds or falls below the human needs for a long time, it will affect human health. Taking spirulina can supplement all kinds of nutrients necessary for human body, and long-term use can give full play to the efficacy of spirulina. \x0d\ Second, the proportion of various nutrients should be appropriate. Whether the energy supply ratio of the three energy-supplying nutrients is appropriate; There should be a balance among vitamin B, vitamin B2 and nicotinic acid related to energy metabolism and energy consumption. Appropriate proportion of essential amino acids; The ratio of unsaturated fatty acids to saturated fatty acids is appropriate; Dietary calcium and phosphorus balance, acidic food and alkaline food; Wait a minute. \x0d\ Thirdly, food should be processed and cooked reasonably to improve the digestion and absorption rate of food and reduce the loss of nutrients. For example, the number of rice washes should not be too many, so as not to lose too many vitamins, minerals and fats. I vegetables should be washed first and then cut, otherwise the vitamins in vegetables will dissolve in water and suffer losses; Green leafy vegetables should be fried quickly in a big fire, which can reduce the loss of vitamin C. Fourth, the food must be fresh and clean, harmless to the human body, and the quality meets the food hygiene standards. For example, microorganisms, toxic components, chemicals, pesticide residues, food additives, molds and their toxins in food should meet the requirements of China's national food hygiene standards to ensure human safety. \x0d\ Fifth, we should develop good eating habits and establish a reasonable dietary system. In daily life, we should pay attention not to be partial to food, picky eaters, overeating and eating spoiled food. People should reasonably arrange the quality and quantity of meals and food according to their different physiological needs and the nature of life, study and labor. Chinese residents generally have three meals a day, and one meal for preschool and school-age children is appropriate. In addition, there must be a good dining environment and a pleasant dining mood.