Fermented flour is made into steamed bread, the main nutrient component is carbohydrate, which is the basic food for people to supplement energy. Steamed steamed bread contains edible and nutritious single-celled microbial yeast. Besides protein, carbohydrates and lipids, it can also provide vitamins, minerals and other nutrients needed by the human body. Steamed bread is a kind of starchy food, and many people take it for granted that it will get fat. But in fact, steamed bread only accounts for 70% of the calories of rice, with less fat and sugar than rice. So when eating, use it instead of rice as a staple food, and it won't make people fat.

Moreover, compared with rice, steamed bread is rich in selenium and glutathione. Anti-lipid peroxidation, prevent free radicals from damaging cells, enhance the body's immune system, and relieve psychological and physiological pressure. Therefore, if steamed bread is the staple food, it will not only make people hungry, but will become energetic. At night, people's digestion and absorption function will become the worst. Although steamed bread is thinner than rice, it is recommended to eat food with less starch at night. Generally speaking, his calories are higher. Bread is made of wheat flour and is also understood as concentrated. The calorie per100g of uncooked rice is about 330 calories. This amount is similar to red meat. However, because the rice is not completely dried, it is necessary to add 1.5 times of water to each grain of rice when cooking. Therefore, after cooking every100g of rice, the heat will be reduced to about 120 calories, which is equivalent to only 1.5 apples.

Comparatively speaking, the calorie per100g of steamed bread is about 2 10/0g, the staple food is about 280 calories, and the biscuit is about 450 calories. That is to say, in terms of starch content, the same amount of rice has higher water content, while the starch content is lower than that of steamed bread, bread and biscuits. Bread is fermented with wheat flour. They are rich in vitamins, easy to digest, absorbed by the human body and promote defecation. Rice can provide various nutrients for human body. Regarding the choice of staple food when losing weight, there are rumors that you need to eat rice when losing weight, not boiled bread, rolls, noodles or other pasta. The reason is that the calories of people with the same weight of rice are lower than those of pasta. When we choose the staple food, we also eat low-calorie meals. Nutrition is to calculate the calories of food according to the edible parts of food.