Incomplete digestion and absorption of food particles in the small intestine

Incomplete digestion and absorption of food particles

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Incomplete digestion and absorption of food particles in the small intestine results in an increased amount of food material passing into the large bowel. Here micro-organisms of the resident microbiota utilize the nutrients. The result is the gas, bloating, pressure, pain, and diarrhea typical of IBS. In addition, changes in intestinal motility results in alternating diarrhea and constipation, and changes in visceral response causes increased sensitivity to pain. Management of IBS by dietary manipulation has many advantages. It provides the sufferer with the means to control their own symptoms by voluntary selection of the foods least likely to exacerbate an already dysfunctional system. A diet in which foods are readily digested and absorbed in the small intestine, that do not interact adversely with the cells lining the digestive tract, and that provide as little fermentable residue as possible in the large bowel, will reduce the irritation of IBS and allow 1
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the system to heal. Reference : Joneja, J.M.Vickerstaff. Digestion, Diet and Disease: Irritable Bowel Syndrome and Gastrointestinal Function. Rutgers University Press, Piscataway, New Jersey 2004 2
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  • Fall '16
  • Jeff Miller

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