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Table 2 ZI, MIC, and MBC values of the HPFEO against the standard bacteria strains

From: Heracleum persicum Desf. ex Fisch., C.A.Mey. & Avé-Lall. fruit essential oil: content, antimicrobial activity and cytotoxicity against ovarian cancer cell line

standard bacteria strains

HPFEO

Rifampin

Gentamicin

ZI (mm)

MIC ( μg/mL)

MBC( μg/mL)

MIC( μg/mL)

MIC( μg/mL)

E. coli

ND

 < 62.50

 < 62.50

3.90

3.90

K. pneumoniae

ND

500 ± 0.00c

1000

15.36

3.90

P. aeruginosa

ND

 < 62.50

1000

31.25

7.81

S. paratyphi-A

ND

 < 62.50

125

15.36

3.90

Sh. dysenteriae

ND

125 ± 0.00c

250

15.36

3.90

B. subtilis

ND

250 ± 0.00c

1000

31.25

3.90

S. aureus

ND

250 ± 0.00c

1000

31.25

1.95

S. epidermidis

ND

125 ± 0.00c

250

1.95

1.95

S. pyogenes

ND

 < 62.50

 < 62.50

0.975

0.975

  1. ND not determined. Values with different letters are statistically different (Duncan, p ≤ 0.01)