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Concentrations of short-chain fatty acids (SCFAs; ppm equivalents) produced by four probiotic strains after 24 h of growth in fecal media obtained from feces of HC patients with the addition of FOS and inulin (2.5 g/L each). A sterilized fecal medium without the addition of bacterial cells was used as the control. Data are reported as the average of one technical triplicate ± SD. a–d Among same metabolite, different superscript letters showed a significant difference (p < 0.05).
