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. Author manuscript; available in PMC: 2018 Mar 27.
Published in final edited form as: Anaerobe. 2012 May 23;18(4):445–453. doi: 10.1016/j.anaerobe.2012.05.002

Table 2.

Effects of Sudan azo dyes on the growth of human intestinal bacteria.

Strain name Culture time (h) Control (cells/ml) Sudan azo dyes (100 μM) (cells/ml)a
Sudan I Sudan II Sudan III Sudan IV Para Red
Bacteroides ovatus 6 0.90 × 109 1.02 × 109 0.88 × 109 0.91 × 109 1.00 × 109 1.02 × 109
ATCC 8483 10 1.16 × 109 1.09 × 109 1.09 × 109 1.11 × 109 1.12 × 109 1.20 × 109
Bifidobacterium infantis 6 1.07 × 109 0.96 × 109 0.97 × 109 0.98 × 109 0.97 × 109 1.04 × 109
ATCC 15697 10 1.26 × 109 1.20 × 109 1.19 × 109 1.17 × 109 1.19 × 109 1.29 × 109
Bifidobacterium catenulatum 6 0.74 × 109 0.75 × 109 0.74 × 109 0.66 × 109 0.32 × 109 0.77 × 109
ATCC 27539 10 0.87 × 109 0.86 × 109 0.86 × 109 0.72 × 109 0.31 × 109 0.86 × 109
Clostridium indolis 6 1.12 × 109 1.18 × 109 1.12 × 109 1.13 × 109 1.09 × 109 1.24 × 109
ATCC 25771 10 1.30 × 109 1.30 × 109 1.27 × 109 1.27 × 109 1.22 × 109 1.44 × 109
Clostridium perfringens 6 1.00 × 109 0.78 × 109 0.65 × 109 0.70 × 109 0.76 × 109 0.53 × 109
ATCC 13124 10 1.59 × 109 1.37 × 109 1.32 × 109 1.36 × 109 1.31 × 109 1.18 × 109
Clostridium ramosum 6 1.13 × 109 0.99 × 109 1.14 × 109 1.09 × 109 1.06 × 109 1.22 × 109
ATCC 25582 10 1.37 × 109 1.22 × 109 1.34 × 109 1.18 × 109 1.19 × 109 1.35 × 109
Enterococcus faecalis 6 0.56 × 109 0.53 × 109 0.50 × 109 0.63 × 109 0.56 × 109 0.72 × 109
ATCC 19433 10 1.35 × 109 1.36 × 109 1.35 × 109 1.04 × 109 0.86 × 109 1.28 × 109
Escherichia coli 6 0.71 × 109 0.73 × 109 0.67 × 109 0.30 × 109 0.34 × 109 0.63 × 109
ATCC 25922 10 0.81 × 109 0.83 × 109 0.79 × 109 0.57 × 109 0.31 × 109 0.78 × 109
Lactobacillus rhamnosus 6 0.81 × 108 0.55 × 108 0.43 × 108 0.81 × 108 0.70 × 108 0.78 × 108
ATCC 53103 10 5.29 × 108 4.54 × 108 3.22 × 108 4.92 × 108 5.24 × 108 5.23 × 108
Peptostreptococcus magnus 6 0.67 × 109 0.65 × 109 0.64 × 109 0.35 × 109 0.33 × 109 0.67 × 109
ATCC 14955 10 0.85 × 109 0.74 × 109 0.81 × 109 0.60 × 109 0.29 × 109 0.84 × 109
Ruminococcus obeum 6 0.98 × 109 0.98 × 109 0.95 × 109 0.97 × 109 0.94 × 109 1.03 × 109
ATCC 29174 10 1.20 × 109 1.21 × 109 1.17 × 109 1.14 × 109 1.09 × 109 1.23 × 109
a

Data are presented as mean of triplicate with standard deviations (SD) of <5%. P values < 0.05. Significant inhibition data are highlighted.