Why does food taste delicious, but it stinks when pulled out?

Because in the process of digestion, fecal odor, indole, hydrogen sulfide and other substances will be produced, and these substances have obvious odor. Therefore, the discharged feces have obvious odor, which is caused by some substances produced after food digestion and digestion, which is normal. The food people eat needs to be digested in the stomach, intestines and other places. In the process of digestion, beneficial bacteria and digestive enzymes are needed to break down food into small molecules, which are absorbed by the intestine. There are many kinds of bacteria in human colon, such as Proteus vulgaris, Escherichia coli, anaerobic bacteria, lactic acid bacteria, staphylococcus, yeast and so on. , as well as a small number of spirochetes and protozoa, which can participate in the digestion of food.

In real life, many people only like to eat meat, and often only eat meat instead of vegetables. Over time, it is easy to cause abnormal stool. For example, dry stool and difficulty in defecation. Because most meat products are protein, fat and so on. And it contains almost no cellulose. If you only eat meat products, if you don't need enough cellulose and dietary fiber at this time, you will be prone to constipation. Therefore, it is necessary to ensure a reasonable mix of meat and vegetables in life and avoid abnormal stools.

Many people like to eat all kinds of cold food, such as sashimi and ice cream. If you eat these foods regularly, the gastrointestinal mucosa will be stimulated by cold, which may affect the gastrointestinal function and lead to gastrointestinal dysfunction. As time goes on, diarrhea and even some gastrointestinal diseases may occur. In order to prevent this from happening to the human body, one should eat a healthy diet and eat food close to one's body temperature.

It can be seen that the food eaten is fragrant, but the feces pulled out are smelly, which is mainly related to the digestion of food in the gastrointestinal tract. At this time, it is easy to produce some unpleasant substances, so human excrement will have an unpleasant smell. However, as long as the shape and color of the discharged feces are abnormal, this is normal. If you master the correct diet at ordinary times, it is not easy to have problems in excreting feces.