What specific prebiotic, which is a type of FOS, is concentrated in onions to feed beneficial large intestine bacteria?
Answer
Inulin
Onions are rich sources of non-digestible fiber that promotes gut health, primarily due to their high concentration of fructooligosaccharides (FOS). Within this group of FOS, Inulin is specifically named as the key prebiotic component. Prebiotics are essential because they selectively nourish the beneficial bacterial colonies residing in the large intestine. This targeted feeding process is crucial for the subsequent production of beneficial metabolic byproducts like SCFAs, forming the foundation of the gut health boost onions provide.
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