In a new study, researchers examined how excess undigested protein in the colon can ferment to form beneficial metabolites (short-chain fatty acids) or lead to the production of harmful metabolites (ammonia and sulfites) associated with gastrointestinal disorders and other health problems.
Experts conducted a series of experiments on mice. It turns out that switching to a protein-rich diet leads to significant weight loss, reduction in body fat, and causes rapid changes in the gut microbiome.
The study also compared different protein diets. Mice fed proteins specifically rich in aromatic amino acids experienced the greatest weight and fat mass loss compared to rodents fed standard protein diets and diets rich in branched-chain amino acids.
To examine the effect of amino acids in a protein-rich diet on gut bacteria, the team conducted a four-week experiment on 16 mice. They ate a standard diet for the first two weeks and an isonitrogenic, protein-rich diet fortified with branched-chain amino acids or aromatic amino acids for the next two weeks.
It turns out that, in general, gut bacterial types respond differently to dietary changes. It contains a carbohydrate, protein diet as well as various groups of amino acids.
The most significant changes occurred in the group taking branched-chain amino acids. It also turns out that there is indeed a link between protein diets and changes in the gut microbiome.
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Source: Ferra
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