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Table 7 Fractional inhibitory concentration (FIC) and FIC indices (FICi)

From: Synergistic antifungal evaluation of over-the-counter antifungal creams with turmeric essential oil or Aloe vera gel against pathogenic fungi

FIC aFICi/interpretation

C. tropicalis (ATCC 66029)

C. albicans

P. notatum

A. fumigatus

A. niger

A. flavus

T. rubrum

T. violceum

T. mentagrophytes

Clotrimazole

0.60

0.25

0.80

0.50

0.40

0.80

0.30

0.25

0.30

TEO

0.60

0.25

0.40

0.50

0.20

0.40

0.60

0.50

0.30

FICi

1.20/ind

0.50/syn

1.20/ind

1.00/ind

0.60/ind

1.20/ind

0.90/ind

0.75/ind

0.60/ind

Fluconazole

0.40

0.60

0.80

0.50

0.60

0.50

0.30

0.20

0.25

TEO

0.40

0.30

0.40

0.50

0.30

0.50

0.60

0.40

0.50

FICi

0.80/ind

0.90/ind

1.20/ind

1.00/ind

0.90/ind

1.00/ind

0.90/ind

0.60/ind

0.75/ind

Ketoconazole

0.40

0.40

0.30

0.30

0.25

0.25

0.30

0.50

0.60

TEO

0.80

0.20

0.30

0.60

0.25

0.50

0.30

0.50

0.60

FICi

1.20/ind

0.60/ind

0.60/ind

0.90/ind

0.50/syn

0.75/ind

0.60/ind

1.00/ind

1.20/ind

Terbinafine

0.30

0.20

0.40

0.40

0.60

1.20

1.00

0.80

0.40

TEO

1.20

0.20

0.20

0.20

0.15

0.30

0.50

0.20

0.40

FICi

1.50/ind

0.40/syn

0.60/ind

0.60/ind

0.75/ind

1.50/ind

1.50/ind

1.00/ind

0.80/ind

Clotrimazole

0.40

0.10

0.40

0.30

0.20

0.60

0.15

0.10

0.40

AVG

0.40

0.20

0.40

0.30

0.40

0.30

0.60

0.80

0.80

FICi

0.80/ind

0.30/syn

0.80/ind

0.60/ind

0.60/ind

0.90/ind

0.75/ind

0.90/ind

1.20/ind

Fluconazole

0.60

0.50

0.40

0.30

0.50

0.20

0.15

0.20

0.20

AVG

0.60

0.50

0.40

0.30

1.00

0.20

0.60

1.60

0.80

FICi

1.20/ind

1.00/ind

0.80/ind

0.60/ind

1.50/ind

0.40/syn

0.75/ind

1.80/ind

1.00/ind

Ketoconazole

0.20

0.40

0.30

0.25

0.15

0.20

0.50

0.30

0.40

AVG

0.40

0.40

0.60

0.50

0.60

0.40

1.00

1.20

0.80

FICi

0.60/ind

0.80/ind

0.90/ind

0.75/ind

0.75/ind

0.60/ind

1.50/ind

1.50/ind

1.20/ind

Terbinafine

0.10

0.20

0.60

0.40

0.60

1.20

1.00

1.60

0.30

AVG

0.40

0.40

0.60

0.20

0.60

0.30

1.00

1.60

0.60

FICi

0.50/syn

0.60/ind

1.20/ind

0.60/ind

1.20/ind

1.50/ind

2.00/ind

3.20/ind

0.90/ind

  1. syn Synergetic, ind Indifferent
  2. aBold indicates Fractional Inhibitory Concentration index (FICi) / their interpretation