People eat a wide variety of foods not only for balanced nutrition but also for the enjoyment of taste. Although the nutritional content of each food is not exactly the same, the nutrients contained in the same type of food are roughly similar, so they can be replaced with each other in the diet.
In accordance with the same type of exchange, a variety of principles to deploy three meals a day. The same type of exchange is grain for food, beans for beans, and meat for meat. For example, rice can be exchanged with flour or grains, and taro can be exchanged with corresponding amounts of noodles, pancakes, and bread; soybeans can be exchanged with a considerable amount of soy products or miscellaneous beans; lean pork can be equivalent to chickens and ducks. , cattle, sheep, rabbit exchange; fish can be exchanged with shrimp, crab and other aquatic products; milk can be exchanged with goat milk, yogurt, milk powder or cheese. For example, if you eat 50 grams of beans and soy products every day and master the principles of the same kind of exchange, you can transform dozens of ways of eating. You can exchange them in full quantity, that is, replace them with a certain amount of soymilk or smoke dry. Drink soymilk today. Eat smoked dry; can also switch components, such as 1/3 for soy milk, 1/3 for yuba, 1/3 for tofu. Breakfast drink soy milk, Chinese food eat cold bean curd, dinner and then drink bowl of hot and sour bean curd soup.