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Table 2 Minimum inhibitory and minimum bactericidal concentrations in μg/ml of benzalkonium with and without thymoquinone supplementation.

From: Antibacterial and resistance-modifying activities of thymoquinone against oral pathogens

Strains MIC
BC
MBC BC aMIC BC +
1/2MIC TQ
aMBC BC +1/2 MIC TQ
References strains     
B. cereus ATCC 14579 16 32 4 (4) 8 (4)
E. coli ATCC 35218 16 32 16 (NC) 16 (2)
E. faecalis ATCC 29212 8 16 4 (2) 4 (4)
L. monocytogenes ATCC 19115 1 4 1 (NC) 2 (2)
M. luteus NCIMB 8166 16 16 2 (8) 4 (4)
S. enterica serovar Typhimurium ATCC 1408 32 64 32 (NC) 64 (NC)
S. aureus ATCC 25923 16 32 2 (8) 4 (8)
S. epidermidis CIP 106510 4 8 2 (2) 4 (2)
P. aeruginosa ATCC 27853 128 256 128 (NC) 256 (NC)
V. alginolyticus ATCC 33787 32 64 16 (2) 32 (2)
V. paraheamolyticus ATCC 17802 32 128 4 (8) 16 (8)
Oral strains     
E. faecalis B281 256 >256 256 (NC) >256 (NC)
Gemella haemolysans B234 8 32 4 (2) 8 (4)
S. aureus B73 16 32 2 (8) 8 (4)
S. aureus B285 8 16 2 (4) 4 (4)
S. aureus B291 16 16 2 (2) 4 (4)
S. aureus B289 8 16 <1 (>8) 2 (8)
S. aureus B456 4 8 <1 (>8) 2 (4)
S. aureus B244 2 8 <1 (>8) 2 (4)
S. aureus B364 64 128 8 (>8) 32 (4)
S. aureus B398 4 8 <1 (>8) 2 (4)
S. anginosus B486 8 16 4 (2) 8 (2)
S. constellatus B629 4 16 2 (2) 4 (4)
S. mitis B627 4 8 4 (NC) 16 (2)
S. mutans B509 4 8 2 (2) 4 (2)
S. oralis B634 >256 >256 >256 (NC) >256 (NC)
S. salivarius B468 8 16 4 (2) 8 (2)
  1. aFold reductions are given in parentheses; NC, no change; TQ, Thymoquinone; BC, benzalkonium chloride
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