What is the main component of fart?

The main components of fart: nitrogen 59%, hydrogen 2 1%, carbon dioxide 9%, methane 7%, oxygen 3%, others 1%.

Most farts are produced by Escherichia coli and other bacteria in your intestine. These bacteria eat the fermented food in your body and fart together under the microscope; The air you swallow and the alkaline secretions in your stomach also have some influence on farting.

On average, a fart is composed of about 59% nitrogen, 2 1% hydrogen, 9% carbon dioxide, 7% methane and 4% oxygen-all these gases are odorless.

Less than 1% of it is composed of trace amounts of other chemicals, such as ammonia and dung odor, which will give off an unbearable pungent smell. As long as there is such a gas in 1 100 million parts of the air, people can smell it. Usually, the fart will always be mixed with hydrogen sulfide, most of which comes from mucus, which makes the fart smell like rotten eggs.

Extended data:

Healthy people fart about 6~20 times a day, and it is worthy of vigilance to fart too much or too little. The number of farts is related to the strength of human digestive function. When people's spleen and stomach function is damaged and indigestion occurs, intestinal bacteria ferment rapidly, which is easy to produce gas and make people fart. In addition, gastrointestinal or systemic organic diseases may also cause excessive farting, but patients are often accompanied by abdominal pain, bloating, diarrhea, bloody stool, emaciation and other symptoms.

Of course, if you wolf down when eating, and habitually swallow too much and take in more air, or take in more gas-producing foods, such as sweet potatoes, onions, beans and so on. In this case, it is normal to fart more. If you seldom fart all the year round, it is likely that there is something wrong with your stomach.

If the fart smells abnormal, such as particularly bad, it may be a harbinger of some diseases. The smelly fart may indicate that the fart person has bacterial infection in the intestine, the intestinal mucosa is destroyed by bacterial toxins, and the stool will also expel the exfoliated and necrotic mucosal epithelial cells. Patients often have symptoms such as colic, acute diarrhea and fever.

Smelly fart may indicate gastrointestinal bleeding, blood accumulates in the patient's gastrointestinal tract, gastric acid and intestinal bacteria decompose blood, and sometimes the feces discharged will be like asphalt; In addition, when there is a malignant tumor in the intestine, the fart will also have a foul smell.

If the fart is particularly smelly, if it is not caused by eating pungent food such as garlic, onion and leek or eating too much meat, you must be vigilant, because this phenomenon may prompt some intestinal inflammation or gastrointestinal dysfunction.

Baidu encyclopedia-fart

People's Network-Farting also reflects that the physical condition is too smelly, indicating that the intestines are poor.