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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611

Resumen

WAITZBERG, Dan L.; QUILICI, Flávio A.; MICHZPUTEN, Sender  y  FRICHE PASSOS, Maria do Carmo. The effect of probiotic fermented milk that includes Bifidobacterium lactis CNCM I-2494 on the reduction of gastrointestinal discomfort and symptoms in adults: a narrative review. Nutr. Hosp. [online]. 2015, vol.32, n.2, pp.501-509. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2015.32.2.9232.

Aim: determine the effectiveness of fermented milk that included Bifidobacterium lactis CNCM I-2429 for reducing gastrointestinal (GI) discomfort in healthy adults. Methods: we conducted a systematic literature search to identify studies reporting the use of B. animalis spp. lactis for GI discomfort/comfort in healthy adults. A total of 5329 records were identified, of these 99 full-text articles were assessed. Searches for additional trials were conducted using the names of authors of each identified study and several relevant databases. The study selection was carried out according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Studies were included if they were randomized controlled trials; the included subjects were healthy adults; and the intervention group received B. lactis CNCM I-2494. Studies were excluded if they were non-randomized trials, if they included adults who were not healthy, if they included the use of any other intervention, or if they compared different products without a placebo group. The methodological quality of the studies was evaluated using the Oxford Quality Scale and the Cochrane Concealment Assessment. A meta-analysis was not possible. Results: the search strategy identified two studies that included a total of 538 healthy women, aged 18-60 years, normal weight or overweight (BMI 18-30 kg/m2). GI well-being was significantly improved in the Probiotic group vs. the Control group in one study, with no differences in the other. The percentage of responders for GI well-being was higher in the Probiotic group vs. the Control group in the first study but not in the second. GI symptoms were significantly decreased in the Probiotic group vs. the Control group in both studies. Bowel function was assessed by one study; the stool frequency did not differ between the groups, but a decrease in stool consistency was observed in the Probiotic group but not in the Control group. Possible mechanisms of action (gut motility, hypersensitivity, gut permeability, and gut microbiota) were also described. Conclusion: probiotic fermented milk containing B. lactis CNCM I-2494 by healthy women may improve GI well- being and decrease the frequency of GI symptoms.

Palabras clave : Probiotic; Gastrointestinal discomfort; Healthy subjects; Women.

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