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Table 5 MIC for essential oils against GBS isolates

From: The activity of commercial antimicrobials, and essential oils and ethanolic extracts of Olea europaea on Streptococcus agalactiae isolated from pregnant women

Concentration (mg/mL)

 

0.05

0.4

3.7

33.3

MIC

Isolates

A

B

C

A

B

C

A

B

C

A

B

C

Essential oils

GBS in broth

+

+

+

+

+

+

+

33.3

GBS on MH

+

+

+

+

+

+

+

33.3

  1. Key: A = Essential oil, B = 10% DMSO, C = Ciprofloxacin, + = Growth, − = no growth
  2. Essential oils showed antibacterial activity to GBS at an MIC of 33.3 mg/mL and had bactericidal effect on the isolates at that concentration