Essential Oils of Plants as Biocides against Microorganisms Isolated from Cuban and Argentine Documentary Heritage
Table 3
Median values of the antifungal activity of seven essential oils dissolved in ethanol at 70% (v/v) against four fungal strains isolated from documents biofilms and indoor environments of archival repositories.
Essential oils
Diameter of inhibition zone (mm) at 5 daysa
(Common name)
Conc. (%)
Aspergillus niger
Aspergillus clavatus
Penicillium sp.
Fusarium sp.
Anise
100
40
40
40
40
50.0
40
40
40
40
25.0
40
40
40
40
12.5
40
40
40
40
7.5
40
40
40
40
Clove
100
20*
15*
20*
30*
50.0
15*
13*
15*
20*
25.0
13*
12*
13*
18*
12.5
11*
7*
6*
15*
7.5
8*
6*
5*
14*
Cumin
100
18
25
15
15
50.0
15
20
13
12
25.0
12
13
12
11
12.5
11
7
0
0
7.5
10
5
0
0
Garlic
100
40
40
40
40
50.0
40
40
40
40
25.0
40
40
40
40
12.5
40
40
40
40
7.5
40
40
40
40
Laurel
100
5*
8*
7
6
50.0
0**
0**
0
0
25.0
0**
0**
0
0
12.5
0**
0**
0
0
7.5
0**
0**
0
0
Orange sweet
100
5
5
6
7
50.0
3
0
5
5
25.0
0
0
0
0
12.5
0
0
0
0
7.5
0
0
0
0
Oregano
100
30*
30*
30*
30*
50.0
20*
25*
20*
25*
25.0
15*
15*
15*
15*
12.5
15*
15*
15*
15*
7.5
5*
10*
15*
15*
Ethanol
70
0
0
0
0
Miconazole
10 mg/mL
6
6
10
11
*It indicates that the oil analyzed also stop due to the fungal sporulation in the next area due to the lack of growth. **It indicates that the oil analyzed only inhibited sporulation of the fungi. aData are mean of three replications.