Final answer:
Symptoms of diarrhea, bloating, and flatulence after sugar ingestion are likely due to lactose intolerance caused by lactase deficiency. Avoiding lactose or taking lactase supplements can alleviate these symptoms.
Step-by-step explanation:
1: hydrolysis of lactose into monosaccharides. The symptoms of diarrhea, bloating, and flatulence after ingestion of sugar that you are experiencing are likely caused by a deficiency of brush border oligosaccharidases, specifically lactase, which is necessary for the hydrolysis of lactose into monosaccharides. In those with lactose intolerance, the small intestine's absorptive cells do not produce enough lactase, preventing lactose digestion. Consequently, undigested lactose moves into the large intestine where it is fermented by bacteria, leading to gas production as well as the symptoms you described. Avoiding lactose or taking lactase supplements can alleviate these symptoms. Lactose-free milk is also an option for those with lactose intolerance to avoid these discomforts.
Lactose intolerance occurs when the lactose in chyme, the partially digested food in the small intestine, is not properly digested by the body. This is because the absorptive cells of the small intestine do not produce enough of the enzyme lactase, which is responsible for breaking down lactose into its component sugars, glucose and galactose. As a result, undigested lactose moves into the large intestine, where it is fermented by bacteria, producing gas. This fermentation process leads to symptoms such as diarrhea, bloating, and flatulence.