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. 2016 Mar 24;6:135–141. doi: 10.1016/j.bbrep.2016.03.014

Table 4.

Selectivity index (SI) of compounds 1–3 and 6.

Compound Antimicrobial activity
Cytotoxicity SIa
Microorganism MIC (µM) MRC-5
IC50 (µM)
8HQ (1) S. aureus ATCC 25923 6.89 6.27 0.91
S. aureus ATCC 29213
S. epidermidis ATCC 12228

L. monocytogenes 3.44 6.27 1.82


 

 

 


NQ (2) A. hydrophila
5.26
88.14
16.76
M. luteus ATCC 10240 10.52 88.14 8.38
P. stuzeri ATCC 17587
S. putrefaciens ATCC 8071

B. cereus 21.03 88.14 4.19
E. coli ATCC 25922
S. marcescens ATCC 8100
S. Typhimurium ATCC 13311
S. Enteritidis
S. dysenteriae
C. freundii
A. xylosoxidans ATCC 27061



cloxyquin (3) L. monocytogenes
5.57
81.74
14.67
P. shigelloides 11.4 81.74 7.34


 

 

 


CQ (6) All Gram-positive bacteria
26.19
76.17
2.91
E. coli ATCC 25922, 26.19 76.17 2.91
S. marcescens ATCC 8100
P. shigelloides
A. hydrophila
S. putrefaciens ATCC 8071
A. xylosoxidans
C. albicans ATCC 90028
S. cerevisiae ATCC 2601
a

SI = IC50 of MRC-5 cell/MIC of microorganism.