engleski

Effects of cereal consumption on gut microbiota composition

The intake of whole grain cereals has long been linked to decreased risks of metabolic syndrome, cardiovascular diseases, and diabetes type II. It is believed that a complex range of components in whole grain cereals creates a synergistic action resulting in protective effects. Some of those components, such as resistant starches and arabinoxylans, which are not digested in the upper gastrointestinal tract, serve as a food source for gut microbiota. Generally, it is believed a diet rich in whole grain cereals (fibres) is good for the microbiota, as it increases diversity and specifically increases the bacterial genera believed to be beneficial, such as Bifidobacterium and Lactobacillus. In this study, the intake of cereals was assessed using the 3-day food dietary method among the MicroEquilibrium study cohort, consisting of 40 subjects, both male and female, average age 27.75 ± 0.66, distributed according to their degree of body mass index (underweight, healthy, and overweight/obese). The composition of microbiota was determined by sequencing the V3-V4 region of the 16S rRNA gene, and the taxonomic composition and alpha diversity of the subjects were correlated with the individual cereal intake. The results showed an increase in gut microbiota diversity in subjects with higher whole grain cereal intake.

diet ; cereal intake ; fibre ; gut microbiota

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