Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Jerusalem artichoke (Helianthus tuberosus) is primarily valued for its high content of inulin, a type of prebiotic fiber. Scientific research has shown that inulin is not digested in the upper gastrointestinal tract and reaches the large intestine intact, where it serves as a substrate for beneficial gut bacteria such as Bifidobacteria and Lactobacilli. This fermentation process produces short-chain fatty acids (SCFAs), which have positive effects on colon health, including promoting a healthy intestinal environment, supporting colonocyte energy metabolism, and potentially reducing inflammation.

Multiple studies in both humans and animals support the use of inulin-containing foods, including Jerusalem artichoke, for improving bowel regularity, increasing stool bulk, and enhancing the composition of the gut microbiota in favor of beneficial species. These changes are associated with improved digestive function and may contribute to the prevention of certain colon-related conditions, such as constipation and possibly colorectal cancer, though evidence for cancer prevention is less direct.

While the traditional use of Jerusalem artichoke as a digestive aid exists, the modern scientific validation of its prebiotic effects is robust. Therefore, its use to support the large intestine/colon is well-grounded in current scientific literature, meriting a strong evidence rating.

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