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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 (ÎĽg/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