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Table 11 Potassium leakage (ppm) by flavonoid/(s) with antibiotics against S. aureus (ATCC 43300) and clinical isolates of MRSA

From: Antibiotic additive and synergistic action of rutin, morin and quercetin against methicillin resistant Staphylococcus aureus

Test antibiotics Antibiotic alone Antibiotic + M + R Antibiotic + Q Antibiotic + M + R + Q
AMO † 25.7 32.3 NT 41
AMO * 25.79 ± 0.16 32.40 ± 0.13 NT 41.09 ± 0.11
AMP † 25.6 NT 34.4 39.6
AMP * 25.69 ± 0.13 NT 34.49 ± 0.14 39.83 ± 0.12
CEPH† 25.70 33.20 35.2 40
CEPH* 25.89 ± 0.14 33.30 ± 0.14 35.39 ± 0.14 40.10 ± 0.10
CET † 25.9 34.60 37.5 42.6
CET* 25.96 ± 0.10 34.69 ± 0.15 37.59 ± 0.10 42.69 ± 0.13
IMP † 26.6 36.6 39.2 44.7
IMP* 26.79 ± 0.14 36.79 ± 0.15 39.26 ± 0.14 45.89 ± 0.14
ME † 25.1 31.4 34.3 39.2
ME* 25.29 ± 0.12 31.52 ± 0.13 34.43 ± 0.11 39.33 ± 0.12
  1. *against MRSA clinical isolates (n = 100).
  2. † against S. aureus (ATCC 43300).
  3. NT = Not tested.