The bacteria know in our guts play in an active role is feed us , whether it ’s breaking down nutrients our own breadbasket ca n’t treat , or synthesize vitamin . Here ’s one more intriguing piece of the puzzle : a molecule eliminate by the bacteria digesting fiber form usfeel more full .
If you ’ve ever peruse a dieting book , you ’ve seen fibre recommend because it ’s hard to digest and keeps you full . It may more to do with the cobwebby bulk of fiber alone . As scientist are increasingly come in to actualize with all things digestion , the intestine bacteria are involved , too . New Scientistexplains :
A fatty acid calledpropionateis resign when the bacterium in our gut digest fibre . Propionate makes people sense full by activating cells in the large intestine that produce the satiety hormonesGLP-1andPYY : these say the mastermind that it ’s prison term to halt feed .
In astudypublished this week in the journal Gut , scientists turn the bacterium waste into a powdered form call off inulin - propionate ester ( IPE ) . Then they give it to heavy and healthy volunteers , who finish up eat 9 to 14 pct less , respectively , than control who got ordinary fibre .
“ Bacteria barren ” does n’t sound so bad when you realize it ’s essentially the waste of bacteria that already live in our catgut . We ’re still just beginning to ravel the workings of the intestine microbiome , but it looks these lilliputian microbes play abig role in exercising weight and obesity . [ New Scientist , Gut ]
Top prototype : Shaiith / shutterstock
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