However, eating a lot of protein-rich food instead of a little starch food on an empty stomach is not only harmful to the gastrointestinal tract, but also the protein in it will be wasted, resulting in waste, which is harmful to health.
What is a real high-protein food? Not milk or beans, but meat and fish. They contain almost no carbohydrates, except about 70% water and a few minerals, namely protein and fat. Calculated by dry weight, the protein content of fish is much higher than that of "high protein" soybean.
Such food, if eaten in large quantities on an empty stomach, may bring three adverse effects:
First of all, eating fish on an empty stomach will cause the problem of "wasting protein". That is to say, when the body needs energy, because there are not enough carbohydrates (they mainly exist in grains and beans, and a small amount exists in fruits and potatoes), protein has to decompose them to provide energy.
In contrast, the content of lactose in milk is 4.6%, and the content of protein and fat is about 3%. The ratio of the three nutrients is more reasonable than that of meat, which is relatively suitable for drinking before meals. Strangely, China people who are afraid of wasting nutrition by drinking milk on an empty stomach never consider wasting nutrition when eating fish and meat on an empty stomach.
Secondly, eating fish on an empty stomach will bring about an increase in body waste. When protein is decomposed for energy supply, it will produce a large amount of nitrogen-containing waste, which will increase the burden of liver and kidney, promote the reproduction of spoilage bacteria in large intestine, affect the microecological balance of intestine and increase the risk of intestinal cancer.
Third, eating fish on an empty stomach is easy to overdo it, and animals eat too much protein, which will lead to the imbalance of acid-base balance. Eating regularly is very easy to form acidic constitution, which not only increases the risk of diabetes, cardiovascular diseases, gout and other diseases, but also promotes the loss of calcium and the occurrence of osteoporosis.
If you eat some foods containing carbohydrates before going to dinner, such as a small bowl of coarse cereal porridge, a little buckwheat flour, a little yam taro and other potato cold dishes, you can alleviate the harm of the above problems, and also avoid the problem of greasy food hurting your stomach, which plays a role in protecting your health. It is also a good choice to serve some starchy dishes in the middle of dinner, such as steamed sweet potatoes, sweet corn, stews with potatoes and so on.
In addition, not eating staple food can not effectively control weight. Dishes often contain too much fat, and the energy of fat (9 kcal/g) is higher than that of starch (4 kcal/g). If you change the size of the staple food to big fish and big meat, it is easier to make people fat.
When serving staple food after meals, it is best to avoid all kinds of crispy snacks, cake throwing, fried rice and fried snacks. Because of their high oil content and low fiber content, they can't balance nutrition and protect health.