Clinical Study on Human Gut Microbiota and Short-Chain Fatty Acids in Response to Dietary Interventions with high resistance Potato starch
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Background and Objective
To investigate the efficacy of a new, proprietary high-resistance potato starch as a prebiotic in comparison to inulin and a control.
Methods
In this prospective study, an intervention of 9 g of resistant potato starch (RPS, Potatodaat ® ), inulin, or accessible corn starch was given to participants with mild to moderate indigestion for 30 days. Short chain fatty acid (SCFA) levels, changes to the gut microbiome, and changes in clinical symptoms of indigestion were assessed as primary outcomes.
Results
Subjects in the RPS (n = 22), inulin (n = 23), and accessible corn starch (n = 22) groups demonstrated similarity in age, sex, and baseline parameters. At 30 days, the groups experienced 21.1%, 6.29%, and 9.15% increases in stool butyrate, respectively. Clinical symptoms like indigestion and flatulence showed greater improvement with the use of RPS compared to the other two groups.
Conclusion
Consumption of high resistance potato starch helps improve stool SCFA levels along with clinical symptoms related to digestion, showing its better prebiotic potential as compared to inulin and accessible corn starch. The new high-resistance potato starch can be considered an effective replacement for inulin.
