Why does carbohydrate fermentation in the large intestine sometimes produce excessive gas, even with normal digestive enzyme secretion?

💡 Explanation

Excessive gas results from carbohydrate fermentation when the gut microbiota overwhelms the large intestine's absorptive capacity because the unabsorbed products of fermentation (such as hydrogen and methane) accumulate. Therefore, gas production increases, rather than resulting from complete amylase breakdown or bile interference.

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