Skip to main content

Table 3 In vitro anti-staphylococcal activity of Guizotia schimperi extracts and of antibiotics oxacillin and tetracycline

From: In vitro antimicrobial activity of plants used in traditional medicine in Gurage and Silti Zones, south central Ethiopia

  MIC (μg/ml)
Standard strains Oxacillin Tetracycline Extract
ATCC 12228 0.5 64 128
ATCC 29213 0.5 0.5 128
ATCC 33591 512 64 128
ATCC 33592 512 128 128
ATCC 43300 16 0.25 256
ATCC BAA 976 16 0.25 128
Clinical isolates
 SA1 16 0.25 128
 SA2 64 16 256
 SA3 512 32 128
 SA4 16 0.25 128
 SA5 256 0.25 256
 SA6 0.5 8 256
 SA7 1 16 128
 SA8 16 0.125 128
 SA9 128 64 256
 SA10 0.5 0.25 128
  1. SA1-SA10 = resistant if MIC ≥ 4 μg/ml for oxacillin, ≥ 16 μg/ml for tetracycline [47]
  2. MIC Minimum inhibitory concentration, ATCC American type culture collection, SA Staphylococcus aureus