Table 4.
The effect on the level of microbes of butterbur stems on blanching time and draining time
Blanching time (min)
Draining time (min)
Viable cell count (log CFU/g)
Total coliform (log CFU/g)
Control
6.08±0.02
2.87±0.23
3
5
5.16±0.02
N.D
10
4.81±0.03
N.D
15
5.13±0.03
N.D
5
5
N.D
1)
N.D
10
N.D
N.D
15
N.D
N.D
7
5
N.D
N.D
10
N.D
N.D
15
N.D
N.D
N.D means not detected or under the lowest limit of detection (<30 colonies)