Where do anthocyanins from blue potatoes engage with gut microbiota after small intestine transit?
Answer
The colon
Anthocyanins exhibit relatively low bioavailability, meaning that after passing through the small intestine largely undigested, a significant proportion travels onward to the colon. It is in the colon that these compounds begin to interact actively with the resident gut microbiota. This engagement between the anthocyanins and the beneficial bacteria in the large intestine is where some of the most compelling emerging health advantages associated with consuming purple potatoes begin to materialize.
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