Mixed
Adherence to a Mediterranean diet increases the abundance of Faecalibacterium prausnitzii and butyrate-producing genes, while decreasing potentially proinflammatory Ruminococcus gnavus, independently of changes in total SCFA concentrations.
Eating a Mediterranean diet changes your gut bacteria to favor beneficial species like Faecalibacterium prausnitzii, which are linked to lower inflammation. This happens even if your total fiber intake doesn't change dramatically, as the *type* of fiber and plant compounds matters.
The MD intervention led to increased levels of the fibre- degrading Faecalibacterium prausnitzii and of genes for microbial carbohydrate degradation linked to butyrate metabolism... decrease of the potentially proinflammatory Ruminococcus gnavus.
Why this rating
Shotgun metagenomics provides high-resolution species and functional potential data.
Source
Mediterranean diet intervention in overweight and obese subjects lowers plasma cholesterol and causes changes in the gut microbiome and metabolome independently of energy intake
Victoria Meslier et al. · Gut · 2020
DOI 10.1136/gutjnl-2019-320438
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