Research Article

Chemical Composition, Antifungal and Antibiofilm Activities of the Essential Oil of Mentha piperita L.

Table 2

Antifungal activity (MIC and MBC) of the essential oil of Mentha piperita against standard and clinical isolates of yeasts.

Mentha piperita essential oil
Strain (number of isolate)MIC ( L/mL)MFC ( L/mL)
GMa (range)GMa (range)

Standard isolateC. albicans (6)1.5 (1-2)3.3 (2–4)
C. glabrata (5)1.2 (0.5–2)2.8 (2–4)
C. tropicalis (1)1.02.0
C. krusei (1)0.51.0
C. dubliniensis (5)2.4 (2–4)6.0 (4–8)
C. parapsilosis (1)4.04.0
C. neoformance (1)4.04.0

Azole-sensitive clinical isolates C. albicans (9)2.0 (0.12–4)2.8 (2–4)
C. dubliniensis (3)0.6 (0.5–1)1.6 (1-2)
C. tropicalis (2)2.02.0
C. parapsilosis (3)1.1 (0.5–2)4.0
C. glabrata (1)0.124.0

Azole-resistant clinical isolatesC. albicans (12)1.6 (1-2)2.3 (1–4)
C. dubliniensis (2)0.52.5 (1–4)
C. tropicalis (3)3.0 (2–4)3.0 (2–4)

aGeometric mean; MIC: minimum inhibitory concentration; MFC: minimum fungicidal concentration.