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Table 4 Determined MIC, MBC and MFC values of P. graveolens organic extracts and essential oil against bacterial species and fungal strains

From: Phytochemical composition and antimicrobial activities of the essential oils and organic extracts from pelargonium graveolens growing in Tunisia

Bacteria

Extracts

EtOAcE

MeOHE

EO

Gram positive

MIC

MBC

MIC

MBC

MIC

MBC

Bacillus subtilis ATCC 6633

 

0.156

5

0.078

0.156

5

5

Bacillus cereus ATCC 14579

 

0.039

20

0.156

20

10

20

Staphylococcus aureus ATCC 25923

 

0.625

20

2.5

10

0.312

0.625

Staphylococcus epidermis ATCC 12228

 

0.156

0.312

  

5

10

Enterococcus faecalis ATCC29212

 

1.25

10

0

0

2.5

20

Micrococcus luteus ATCC1880

 

0.312

20

2.5

10

10

10

Listeria monocytogenes (food isolate 2132)

 

0.156

0.625

2.5

5

2.5

10

Gram negative

      

Salmonella enterica (food isolate)

 

0.078

2.5

0.312

5

5

5

Klebsiella pneumoniae ATCC 10031

 

0.312

5

0.312

10

10

10

Fungal strains

MIC

MFC

MIC

MFC

MIC

MFC

Aspergillus niger CTM 10099

 

0.312

2.5

1.25

20

0.625

5

Aspergillus flavus (food isolate)

 

0.625

5

2.5

20

1.25

10

Fusarium graminearum (ISPAVE271)

 

1.25

10

0.625

5

0.312

5

Fusarium oxysposium (ISAVE21w)

 

1.25

5

0.312

2.5

0.156

5

Alternaria alternata (CTM 10230)

 

0.625

5

1.25

10

0.625

5

Rhizopus nigrcans (CTM 101052)

 

1.25

20

1.25

20

0.

10

  1. Values are expressed on mg/ml.
  2. MIC: Minimum inhibitory concentrations.
  3. MBC: Minimum bactericidal concentrations.
  4. MFC: Minimum fungicidal concentrations.
  5. EtOAcE: ethyl acetate extract.
  6. MeOHE: methanol extract.
  7. EO: essential oil.