【咖啡是通便神器？】不少上班一族都慣了每天喝一杯咖啡，除了為了提神之外，原來很多人還依賴了咖啡來排便；甚至有一些有便秘問題的人會視它為通便神器。究竟為什麼喝了咖啡後會很容易產生便意呢？
有研究指出，咖啡中的咖啡因有刺激腸道蠕動的作用，可以令結腸和腸肌更活躍，有助於身體將食物迅速推向直腸，能幫助排便。有研究指出大約有 1/3 的人，在喝完熱咖啡的 20 分鐘內，會出現便意。
當所有研究都覺得刺激腸道蠕動是因為咖啡中的咖啡因時，有醫學報告發現了很有趣的結果。原來無咖啡因的咖啡也可以發揮到同樣的作用，亦有助於刺激腸道蠕動。研究指出原來咖啡中的其他化合物，綠原酸和N-鏈烷酰基-5-羥基對酰胺，可以刺激腸活活動，亦有助於排便。這個研究結果亦可以解釋到為什麼其他含咖啡因的飲品，例如茶類、汽水等卻不會加速腸胃蠕動，身體沒有因此而產生便意。
但是長期藉由喝咖啡通便，容易讓腸道逐漸麻痺，失去自行蠕動的能力，最終會演變成不喝咖啡就會便秘的局面。
營養師提提你：要有效地改善便秘的問題應該增加飲食中的膳食纖維。便秘的其中一個成因是食物中缺少膳食纖維。碳水化合物中的膳食纖維有分為水溶性和非水溶性：水溶性膳食纖維能有效地增加排便的次數；非水溶性纖維可增加糞便體積，預防便秘，並且促進腸道蠕動，有助排便。
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【Coffee is a poop booster?】Most people can’t live without their cup of coffee. A cup of coffee a day does not only act as a great energy booster, it’s also a poop booster to some people. Why does coffee bring you the urge to poop?
There are studies which show that coffee is a rich source of caffeine, which can make your colon intestinal muscles more active. This helps your body push food quickly to the rectum, and that brings you the urge to poop. In fact, one study found that ⅓ of participants needed to use the bathroom within twenty minutes after drinking a cup of coffee.
However, there are other studies showing that non caffeinated coffee can also stimulate your colon intestinal muscles and give you the urge to poop. There are other compounds in coffee, such as chlorogenic acids and N-alkanoyl-5-hydroxytryptamides, that may stimulate bowel activity. Therefore, it explains the reason why other caffeinated drinks such as tea and soft drinks do not bring you to the urge to poop.
Moreover, relying on coffee for the urge to poop in the long term, eventually will decrease the activeness of the intestine, resulting in constipation when you don’t drink coffee.
Friendly reminder: A better solution to improve constipation is to increase the intake of foods that are rich in dietary fibers. As dietary fibers can increase the size of the faeces and stimulates the intestinal muscles, which makes you easier to poop.
Negimen Team is always here to support and provide healthy eating tips. Visit our website, subscribe and follow for more information! Please feel free to leave us a comment if you have any enquiry.
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