Impact of Moderate Heat, Carvacrol, and Thymol Treatments on the Viability, Injury, and Stress Response of Listeria monocytogenes
Table 3
Induction factora of proteins of Listeria monocytogenes CECT 4031 exposed to mild heat treatment alone (55°C) and combined with essential oils compounds (55°C and carvacrol 0.3 mM and thymol 0.3 mM) for 30 minutes.
Spot number
55°C
55°C + EOs
1
2.0
2.1
2
−4.3
−14.1
3
−4.9
−4.8
4
3.2
2.4
5
−2.1
−3.9
6
3.1
2.2
7
2.7
2.9
8
2.5
2.8
9
−1.7
−2.5
10
2.1
1.6
11
−1.5
−2.1
12
−1.8
−2.0
13
8.4
6.4
14
2.0
3.3
15
1.4
2.0
16
18.5
12.7
17
11.2
9.2
18
4.5
4.3
19
2.0
1.9
20
3.5
2.1
21
−14.7
−8.8
22
−3.3
0.0
23
0.0
−12.3
24
4.2
3.9
25
2.0
2.2
26
5.1
2.0
27
2.0
2.1
28
2.0
2.2
29
6.0
5.0
30
9.1
5.3
31
−1.6
−2.7
32
2.2
2.4
33
−7.7
−3.4
34
8.5
5.0
35
9.1
5.3
36
2.1
1.6
37
2.7
1.7
38
7.8
10.8
39
2.6
2.0
40
2.0
2.6
41
1.2
2.1
42
3.3
7.6
43
−2.0
−2.2
44
2.3
2.0
45
2.0
3.3
46
−2.0
−2.0
47
18.5
12.7
48
10.2
11.2
49
−9.6
−1.6
50
−2.5
−1.6
51
2.3
2.5
52
−13.5
−7.6
53
2.0
3.1
54
2.5
2.0
aNormalized value in treated gel/normalized value in control gel.
