Mixed
High resistant starch intake increases fecal butyrate and propionate levels and alters host lipid metabolism pathways, including increased abundance of host lipases and specific fatty acids.
High resistant starch intake not only feeds gut bacteria but also influences how your body processes fats. Studies show it increases beneficial short-chain fatty acids like butyrate and alters the levels of various fatty acids in the gut. This suggests a systemic metabolic benefit beyond just gut health, potentially aiding in lipid regulation.
short-chain fatty acid analysis revealed a slight increase of butyrate and propionate in the fecal samples of participants consuming the HRS diet... metabolite data strengthened the overall evidence that lipid metabolic pathways carried out by both the host and the microbiome were impacted by diet
Why this rating
Multi-omics integration (metabolomics + proteomics) confirms the link between microbial activity and host metabolic changes.
Source
Impact of Dietary Resistant Starch on the Human Gut Microbiome, Metaproteome, and Metabolome
Tanja Maier et al. · mBio · 2017
DOI 10.1128/mbio.01343-17
More from this paper
- Consuming high levels of resistant starch (48-66g/day) shifts the gut microbiome composition by increasing the Firmicutes-to-Bacteroidetes ratio and enriching butyrate-producing taxa such as Faecalibacterium prausnitzii, Roseburia, and Ruminococcus.Good
- High resistant starch intake improves postprandial insulin and glucose regulation but may increase plasma TMAO levels, a biomarker for cardiovascular disease risk.Good
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