Pepper is native to Central and South America, attractive color, taste hot, most people can not refuse its delicious. In China's Hunan, Sichuan, pepper is essential in each meal, and train a large number of “not afraid of spicy” small madman of chili.
The food culture spread due to population movements and Sichuan cuisine, Hunan cuisine has roots everywhere in the world, attracting a large number of childhood can not eat spicy food, but pursuit the fresh spicy stimulus diners. However, some people, found that although eating chili is so cool, but after eating should face diarrhea, anal burning sensation.
Why the chili can bring "hot" and "cool" feeling? This is due to the pepper contains capsaicin. Capsaicin is an alkaloids containing vanilla amide, with sensory neurons vanilloid receptor subtype binding, can be used as pharmaceutical raw materials. Due to VR1 receptor activation passed burning sensation (when it is subjected to thermal stimulation will be activated), so while eating chili, you will feel a burning sensation. Misconceptions of this burning feeling let the brain to produce a body injury, and began to release the body's own pain substances - endorphins, so that people can have a euphoric feeling, the more you have, the more you want.
Capsaicin can bring cool and spicy feeling in the mouth, but in the stomach inside, it won’t be the same. A lot of people will feel some discomfort in the stomach after eat chili. Eat hot peppers cause diarrhea, so far there is no clear statement, but the colon cells stimulated by capsaicin, causing gastrointestinal motility disorder may be one of the reasons. Colon cells also exist capsaicin receptor activation of the capsaicin receptor cells of the colon can cause colon motility disorders. The role of the colon is slowly push unformed stool into the anus, in the process, absorb moisture to make stool forming. Excessive activation of the capsaicin receptor, will make the movement of the colon becomes faster, becomes irregular, leading to intestinal not enough time to absorb moisture, and ultimately makes the feces can not be molded naturally arises loose stools, is diarrhea.
Eat so many foods contain capsaicin, capsaicin must be through a long intestinal with food, came with the feces to anus, experienced defecation, some people will feel anal blazing, seems to be on fire as some faint pain. This is easily to be explained, because the capsaicin receptor delivery to the brain is a burning sensation, so the anus on the capsaicin receptor is activated when the brain is also perceived to anus was on fire feeling. This feeling that most people have, but do not worry about is, the anus was not on fire, and no injuries, it will slowly disappear until the capsaicin stimulation disappear, this feeling does not exist naturally.
Some people might ask why people eat chili all right, but yourself eat it will cause diarrhea? This is probably related to capsaicin receptor expression differences to everyone - people living in Hunan, Sichuan and other places due to the eating habits, capsaicin receptor expression less, this is one of the reasons why they are naturally not afraid of spicy.
Source:http://www.cospcn.com
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