The purpose of this paper is to verify the possible associations between dietary components and the intestinal microbiota in clinical parameters of inflammatory bowel disease.
In this review, a search in PubMed and Bireme databases was performed. The authors included randomized clinical trials published between 2005 and 2017, only in adult humans with Crohn’s disease or ulcerative colitis.
Six articles were included by the end of the search. The most widely used intervention was the use of prebiotics, including fructooligosaccharides or fructooligosaccharides with inulin, followed by probiotics. The main findings regarding the microbiota were the increase in the total amount of bacteria and variability (phyla). Clinically, there was improvement in inflammation seen in parameters such as C-reactive protein, interleukins and tumor necrosis factor alpha.
Dietary interventions, especially from symbiotics, can modulate the microbiota, mainly in relation to time, when compared pre- and post-supplementation, and this positively interferes with clinical parameters of inflammatory bowel diseases. However, the studies were quite heterogeneous in population, methodology, intervention, mycobiota analysis and inflammatory markers.
Radavelli, B.L., Zanella, P.B., Silva, A.S. and Dall’Alba, V. (2018), "Diet, microbiota and inflammatory bowel disease: review", Nutrition & Food Science, Vol. 48 No. 2, pp. 259-271. https://doi.org/10.1108/NFS-07-2017-0156
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