What kind of bananas to eat will increase constipation?

Not ripe bananas contain more tannic acid, there is convergence on the role of the digestive tract, inhibiting the gastrointestinal fluid secretion and inhibit their motility.

 Most people have this kind of common sense, bananas are Runchang, the stool can be bad when the bananas Runchang catharsis. In fact, not all of the bananas have Runchang role, only the ripe bananas have these functions, if the eating of raw banana not only fail to purge, but will increase the constipation.

 Institute of Materia Medica Chinese Academy of Medical Sciences said Dr. Wei-Fei, bananas are rich in dietary fiber, a large part of their will not be digested and absorbed, but will enable the amount of stool volume increases, and promote peristalsis.

 Meanwhile, the sugar content of bananas more than 15%, and containing a large number of water-soluble plant fibers, can cause gastrointestinal hypertonic fluid secretion, thereby water absorption into the solid part, so that feces discharged soften easily understood.

 However, these effects but it has the ripe bananas, raw banana may be counterproductive. In addition to those unfamiliar with the blue-green outside, and some bananas look very yellow, but the tastes are meat-fat hard, and even some hair astringent.

 This banana has not cooked, it contains more tannin, tannic acid is equivalent to the use of barium enema imaging agent, compare insoluble, and there is convergence for the role of the digestive tract, inhibiting the gastrointestinal fluid secretion and inhibit their motility, such as excessive intake can cause constipation or worsen constipation condition.

 Therefore, if the banana is not ripe, we can not be used Runchang laxative.

 Banana Identification method: Seeing Hand Pinch

 Some people buy bananas, they often love picking color bright-yellow, skin-free spot fruit. In fact, this house has not been fully banana astringent turn cooked, eat the flesh hard and bring up astringency.

 Selection of banana peel yellow and black should be flushed, Shaodai spots, the best of their skins are black sesame seeds (commonly known as Guangdong sesame banana). Banana skin has wrinkled the best flavor.

 A soft ripe bananas pinch hands of its sense of smell must be sweet, yellow flesh, fiber less delicate taste, with sweet-scented osmanthus Yi Gu Xiang.

 Banana Preservation Act: string hanging ropes

 Banana bought, the best string with a rope hanging up, picking spots with soft cooked eat, the more familiar the more sweet, the more flexible the more delicious.