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Table 2 Short chain fatty acid (SCFA) production (mean ± standard deviation) in faecal cultures

From: Bacterial communities and metabolic activity of faecal cultures from equol producer and non-producer menopausal women under treatment with soy isoflavones

Equol status Sample SCFA (μg/ml)
Acetic Propionic Butyric Acetic/Propionic Isobutyric Isovaleric Valeric Caproic
Producers (n = 3) Primary cultures mMCB 3630.78 ± 364.76 1204.29 ± 392.01 1420.04 ± 749.28 3.25 ± 0.88 97.18 ± 81.83 312.51 ± 208.9 24.52 ± 18.66 5.71 ± 5.29
mMCBISO 4063.17 ± 322.93 1559.54 ± 325.14* 1859.97 ± 570.4 2.74 ± 0.76* 471.72 ± 5.28* 1114.00 ± 17.79* 27.11 ± 7.9 3.82 ± 1.37
Secondary cultures mMCBISO 3334.11 ± 655.9 1545.72 ± 632.46 1649.15 ± 189 2.34 ± 0.53 249.3 ± 223.82 613.10 ± 539.00 30.29 ± 3.97 2.67 ± 0.15
Non-producer (n = 1) Primary cultures mMCB 2743.95 ± 36.98 155.29 ± 2.89 404.61 ± 3.02 17.67 ± 0.13 6.66 ± 0.23 5.90 ± 0.19 8.74 ± 0.09 4.87 ± 0.02
mMCBISO 2523.79 ± 25.44 167.85 ± 2.99 312.38 ± 4.2 15.04 ± 0.16 6.61 ± 0.07 5.61 ± 0.01 8.71 ± 0.26 4.71 ± 0.06
Secondary cultures mMCBISO 3537.98 ± 33.75 1246.96 ± 14.86 687.74 ± 11.19 2.84 ± 0.02 73.89 ± 1.31 407.66 ± 10.76 7.16 ± 0.12 2.26 ± 0.05
  Control media mMCB 1000.31 ± 5.09 36.90 ± 0.15 19.52 ± 0.80 27.11 ± 0.25 4.30 ± 0.10 0.23 ± 0.00 0.00 ± 0.00 2.29 ± 0.04
mMCBISO 1017.13 ± 22.67 36.63 ± 0.30 19.05 ± 0.39 27.77 ± 0.56 4.50 ± 0.10 0.32 ± 0.09 0.00 ± 0.00 2.41 ± 0.01
  1. mMCB modified medium for colonic bacteria, mMCB ISO modified medium for colonic bacteria supplemented with isoflavones
  2. Key of statistical significance: mMCB compared to mMCBISO: *p < 0.05