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. 2014 Jan 23;9(1):e86669. doi: 10.1371/journal.pone.0086669

Table 1. MIC50 and MIC90 of four common biocides for 3327 microbial isolates.

Species Na TRIb CHXb BZCb NaOClb
MIC (0.015–128)c MBC (0.015–512)c MIC (0.5–64)c MBC (0.5–64)c MIC (0.5–128)c MBC (0.5–128)c MIC (0.125–32) MBC (0.125–32)
50 90 50 90 50 90 50 90 50 90 50 90 50 90 50 90
Salmonella spp. 901 0.06 0.12 1 2 32 64 64 64 16 16 16 32 2 2 2 4.1
E. coli 368 0.12 0.5 1 4 4 16 8 16 16 32 16 32 4.1 4.1 8.2 8.2
K. pneumoniae 60 0.12 1 1 2 8 32 8 >32 8 16 8 16 8.2 8.2 8.2 8.2
Enterobacter spp. 54 0.12 0.5 1 2 8 64 8 64 16 32 32 64 4.1 4.1 4.1 4.1
S. aureus 1635 0.03 0.06 0.12 0.25 2 4 4 8 2 4 2 4 1 2 2 4.1
E. faecium 53 8 8 16 16 8 16 16 32 4 8 4 8 8.2 8.2 8.2 16.4
E. faecalis 56 8 8 16 16 32 32 32 64 2 4 8 8 4.1 8.2 4.1 8.2
C. albicans 200 4 8 8 8 8 8 8 16 4 4 8 16 4.1 4.1 4.1 8.2
a

N: number of strains.

b

TRI, CHX and BZC, concentration as expressed in mg/L. For NaOCl concentration is expressed as g/L of active chlorine.

c

Range of tested concentrations. TRI, CHX and BZC, concentration as expressed in mg/L. For NaOCl concentration is expressed as g/L of active chlorine.