Table 1. Effects of cryoprotectants on the cell viability of freeze-dried
L. fermentum
SK152
Before F/D (CFU)
After F/D (CFU)
Survival rate (%)
Dextrin
2.0×10
10
1.1×10
9
5.6
Skim milk
2.0×10
10
4.7×10
8
2.2
Glucose
2.0×10
10
3.5×10
8
1.7
Trehalose
2.0×10
10
3.0×10
8
1.5
F/D, freeze-drying; CFU, colony-forming unit.