Table 3

Faecal bacterial numbers (log10cells/g faeces) determined by fluorescentin situhybridisation for forty volunteers over the trial period during which they were consuming “placebo” or “AXOS” experimental bread products enriched with AXOS (mean values and standard deviations)
baseline control bread pre- placebo treatment placebo treatment post- placebo washout pre- AXOS treatment AXOS treatment post- AXOS washout
Bifidobacterium 9.14 ±0.57 9.37 ±0.59 a 9.32 ±0.58 a 9.31 ±0.44 a 9.33 ±0.33 a 9.39 ±0.40 a 9.40 ±0.42 a 9.34 ±0.40 a
Clostridium histolyticumgroup 8.35 ±0.72 8.43 ±0.69 8.07 ±0.64 8.04 ±0.76 a 8.05 ±0.85 a 8.14 ±0.79 8.13 ±0.74 8.14 ±0.57
E. coli 7.20 ±0.39 7.35 ±0.56 7.38 ±0.47 a 7.33 ±0.40 7.34 ±0.45 7.34 ±0.53 7.34 ±0.50 a 7.40 ±0.39 a
Lactobacillus – Enterococcus 8.85 ±0.54 8.92 ±0.37 8.60 ±0.66 8.95 ±0.55 b 8.72 ±0.75 8.74 ±0.69 9.05 ±0.40 bc 8.69 ±0.71
AtopobiumCoriobacteriumgroup 9.73 ±0.24 9.80 ±0.27 9.79 ±0.28 9.84 ±0.34 9.87 ±0.26 a 9.88 ±0.28 a 9.79 ±0.21 9.87 ±0.26 a
E. rectalegroup 9.96 ±0.27 9.87 ±0.33 9.91 ±0.33 c 10.07 ±0.29 ab 10.08 ±0.29 a b 9.99 ±0.33 10.01 ±0.34 10.08 ±0.32 a
Total bacteria 10.73 ±0.22 10.69 ±0.22 10.70 ±0.25 10.72 ±0.20 10.68 ±0.22 10.72 ±0.18 10.81 ±0.21 b 10.72 ±0.25
Bacteroides 9.54 ±0.32 9.64 ±0.44 9.85 ±0.46 ac 10.07 ±0.25 ab 10.11 ±0.29 a b 9.91 ±0.42 ac 9.99 ±0.34 abc 10.12 ±0.22 a b
Roseburia – Eubacteria 9.65 ±0.21 9.69 ±0.26 9.57 ±0.44 9.79 ±0.39 ab 9.67 ±0.51 9.74 ±0.27 9.73 ±0.32 9.61 ±0.47
Faecalibacterium prausnitziicluster 9.57 ±0.42 9.48 ±0.44 9.53 ±0.40 9.65 ±0.33 b 9.52 ±0.46 9.50 ±0.51 c 9.56 ±0.38 9.67 ±0.41 b

A paired t-test was used to compare bacteria levels at different time points, for E. coli the non parametric Wilcoxon signed rank test was used, as this data did not follow a normal distribution.

a - different to baseline; b- different to pre-treatment; c- different to washout, (p < 0.05).

Walton et al.

Walton et al. Nutrition Journal 2012 11:36   doi:10.1186/1475-2891-11-36

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