Research Article

Development, Characterization, and Evaluation of Novel Broad-Spectrum Antimicrobial Topical Formulations from Cymbopogon martini (Roxb.) W. Watson Essential Oil

Table 6

Antifungal activity of different topical formulations containing C. martini EOs using agar well diffusion technique.

FormulationConc %V/VInhibition Zone Diameter (mm), including well diameter (10 mm)
Clinical IsolatesStandard strains
C.albicansA. nigerM. canisTmT.verrucosumA. nigerTmT.rubrum

F1252.2±2.330.0±1.290.0±0.0140.0±0.090.0±0.040.2±1.5140.0±0.0140.0±0.0
1.547.0±0.929.5±1.470.0±1.9140.0±0.090.0±0.028.7±0.9140.0±0.0140.0±0.0
145.2±2.521.0±050.5±1.590.0±0.048.0±1.423.3±1.2140.0±0.070.2±0.4
F2239.0±1.723.0±1.490.0±0.0140.0±0.090.0±0.037.0±1.4140.0±0.098.3±11.7
1.537.0±1.221.0±1.364.1.0±1.4140.0±0.082.5±1.925.0±0.9140.0±0.085.0±6.2
133.0±0.919.0±045.0±4.042.0 ±1.443.0±2.422.0±1.8140.0±0.038.5±2.8
F3-520.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.0
1.50.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.0
10.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.0
B1-4.0±0.05.0±0.07.0±0.011.0±0.010.0±0.06.0±0.013.0±0.013.0±0.0
B2-5-0.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.00.0±0.0
Micon2%30±0.025±1.039.0±1.045.0±0.041±0.025±0.046.3±1.044.0 ±1.0

Tm: T. mentagrophytes, Conc: concentration, -: base only (no EO), : inhibition of the growth across the entire 90 mm plate, #: inhibition of the growth across the entire 140 mm plate, B1: hydrophilic ointment base, B2: macrogol blend ointment base, B3: macrogol cream ointment base, B4: simple ointment base, B5: white petrolatum ointment base, F1: hydrophilic ointment, F2: macrogol blend ointment, F3: macrogol cream ointment, F4: simple ointment, and F5: white petrolatum ointment. Data (means ± SD, n = 6) within a column with different superscripts are significantly different (p < 0.05).