便秘不必节食

• 作 者: 魏开敏
• 出 处: 中国保健营养
• 发表日期: 2002年07期
• 关键词: 肠内容物推进 便意感 结肠内容物 反射性 肠蠕动 经常性便秘 老年人便秘 办公室人员 胡桃仁 黑芝麻

咸宁赵劲夫先生: 平常总有人问我你所提出的问题,即是否少吃点饭就能减少便秘发生。我的回答是否定的,因而便有人对此不理解,刨根问底。 众所周知,排便是在结肠内容物达到一定量时,刺激肠壁感受器而反射性地引起结肠蠕动,当这种蠕动将肠内容物推进至乙状结肠和直肠时,人就会产生便意感而诱发排便动作。而结肠内容物要达到一定量就需一定量的饮食,饮食才是真正诱发排便的

Xianning Mr. Zhao Jinfu: Usually someone always asked me the question you raised, that is, if you eat less, you can reduce the occurrence of constipation. My answer is no, so some people do not understand this. As we all know, defecation is in the colon reaches a certain amount of content, stimulating the gut wall receptors and reflex caused by colon peristalsis, when the peristalsis of intestinal contents will be pushed into the sigmoid colon and rectum, people will have a sense of convenience and induce defecation action . The contents of the colon to achieve a certain amount of food on the need to a certain amount, the diet is really induced defecation