Antifungal Activity of Lactobacillus sp. Bacteria in the Presence of Xylitol and Galactosyl-Xylitol
Table 1
Inhibition zones of indicator fungal strains caused by selected Lactobacillus sp. strains which have the strongest antagonistic activity against proper mold.
Strains of LAB
LAB medium
Diameter of inhibition zone of indicator molds caused by selected LAB [mm] ± SD1
A. niger
A. alternata
A. brassicicola
F. latenicum
G. candidum
M. hiemalis
L. acidophilus 0927
Control
0.5 ± 0.7
ND
19.0 ± 1.4
16.0 ± 1.4
—
3.5 ± 0.7
Xylitol
0.5 ± 0.7
>90
5.0 ± 1.4
12.5 ± 0.7
11.0 ± 0.0
6.0 ± 0.0
Galactosyl-xylitol
2.0 ± 0.0
>90
>90
>90
—
3.0 ± 0.0
Galactose + glucose
—
14.0 ± 0.0
>90
30.0 ± 0.7
—
—
Galactose
—
14.0 ± 0.0
>90
14.0 ± 0.0
—
—
L. acidophilus 0932
Control
—
—
8.0 ± 2.5
18.0 ± 2.8
—
—
Xylitol
—
24.0 ± 0.0
—
2.0 ± 0.0
—
—
Galactosyl-xylitol
—
>90
>90
>90
—
3.0 ± 0.0
Galactose + glucose
—
—
—
3.0 ± 0.0
—
—
Galactose
—
—
—
—
—
—
L. acidophilus 0937
Control
—
10.0 ± 0.0
19.0 ± 4.2
1.0 ± 0.0
—
—
Xylitol
8.0 ± 2.8
30.0 ± 0.0
ND
11.0 ± 1.4
—
2.0 ± 0.0
Galactosyl-xylitol
—
—
>90
—
—
—
Galactose + glucose
—
2.0 ± 0.0
—
0.5 ± 0.0
—
—
Galactose
—
—
—
—
—
—
L. brevis 0944
Control
—
25.0 ± 4.2
1.5 ± 0.7
5.0 ± 1.4
—
4.0 ± 1.4
Xylitol
8.0 ± 0.0
24.0 ± 0.0
ND
18.0 ± 0.0
15.5 ± 0.0
7.5 ± 2.1
Galactosyl-xylitol
4.0 ± 0.0
>90
>90
>90
—
6.0 ± 0.0
Galactose + glucose
—
13.0 ± 0.0
>90
>90
—
2.0 ± 0.0
Galactose
—
11.0 ± 0.0
4.0 ± 0.0
11.0 ± 0.0
—
2.0 ± 0.0
L. brevis 0980
Control
—
ND
4.5 ± 0.7
10.5 ± 0.7
8.0 ± 0.0
8.0 ± 0.0
Xylitol
18.5 ± 2.1
>90
6.5 ± 0.7
15.5 ± 0.7
—
15.0 ± 7.2
Galactosyl-xylitol
3.0 ± 0.0
>90
>90
>90
—
9.0 ± 0.0
Galactose + glucose
—
19.0 ± 0.0
18.0 ± 0.0
>90
—
5.0 ± 0.0
Galactose
—
18.0 ± 0.0
20.0 ± 0.0
19.0 ± 0.0
—
4.0 ± 0.0
L. casei 1020
Control
—
15.0 ± 0.0
—
16.0 ± 0.0
—
—
Xylitol
10.0 ± 0.0
16.0 ± 0.0
ND
12.0 ± 1.4
8.0 ± 0.0
8.5 ± 0.7
Galactosyl-xylitol
1.0 ± 0.0
>90
>90
>90
—
7.0 ± 0.0
Galactose + glucose
—
14.0 ± 0.0
>90
>90
—
—
Galactose
—
12.0 ± 0.0
10.0 ± 0.0
16.0 ± 0.0
—
—
L. paracasei 0921
Control
—
11.0 ± 1.4
—
10.5 ± 0.7
—
—
Xylitol
—
20.0 ± 0.0
>90
2.0 ± 0.0
—
—
Galactosyl-xylitol
—
>90
>90
7.0 ± 0.0
—
—
Galactose + glucose
—
5.0 ± 0.0
2.0 ± 0.0
8.0 ± 0.0
—
—
Galactose
—
3.0 ± 0.0
8.0 ± 0.0
2.0 ± 0.0
—
—
L. pentosus 0979
Control
—
32.5 ± 3.5
—
8.0 ± 2.8
4.0 ± 0.0
9.0 ± 1.4
Xylitol
15.0 ± 0.0
>90
15.0 ± 0.0
10.0 ± 0.0
—
—
Galactosyl-xylitol
2.0 ± 0.0
>90
>90
>90
—
9.0 ± 0.0
Galactose + glucose
—
21.0 ± 0.0
30.0 ± 0.7
>90
—
4.0 ± 0.0
Galactose
—
18.0 ± 0.0
16.0 ± 0.0
15.0 ± 0.0
—
3.0 ± 0.0
L. plantarum 0982
Control
6.5 ± 2.1
28.0 ± 0.0
ND
5.0 ± 0.0
—
3.0 ± 0.0
Xylitol
5.0 ± 1.4
17.5 ± 0.7
>90
9.0 ± 0.0
—
1.0 ± 0.0
Galactosyl-xylitol
>90
>90
>90
>90
—
4.0 ± 0.0
Galactose + glucose
—
18.0 ± 0.0
>90
28.0 ± 0.0
—
—
Galactose
—
9.0 ± 0.0
>90
7.0 ± 0.0
—
—
SD1: standard deviation. >90: total inhibition of indicator strain. Statistically significant difference, .
