Biomedical Science Letters

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Table. 1.

Antimicrobial activities of Chamaecyparis obtuse extract with those of other antibiotics against 35 for metallo-β-lactamase-producing Pseudomonas aeruginosa

Antimicrobial agent MIC (µg/mL) % of isolatesb


Range 50% of strains 90% of strains S I R
Chamaecyparis obtuse extract 0.25->0.5 µL/mL >0.5 µL/mL >0.5 µL/mL NAa NA NA
Imipenem 1->128 16 32 11.4 5.7 82.9
Meropenem 4->128 >128 >128 0 5.7 94.3
Piperacillin 8-128 32 64 14.3 82.9 2.9
Cefotaxime 4->128 >128 >128 NA NA NA
Ceftazidime 8->128 128 >128 2.9 5.7 91.4
Aztreonam 1-128 8 64 57.2 35.7 17.1
Amikacin 2-64 32 64 20.0 80.0 0
Gentamicin 4->128 >128 >128 2.9 0 97.1
Ciprofloxacin 2->128 64 128 0 2.9 97.1
Colistin 0.5-2 1 1 100 NA 0

aNA, not applicable

bS, susceptible; I, intermediate; R, resistant

Biomed Sci Letters 2024;30:96- https://doi.org/10.15616/BSL.2024.30.2.96
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