Table 3. Stability of Salmonella Typhimurium-specific phage (KFS-ST) stored at various temperatures
Periods (wk) | Temperature (°C) |
−70 | −20 | 4 | 22 |
0 | 9.20 ± 0.02ax | 9.20 ± 0.02ax | 9.20 ± 0.02ax | 9.20 ± 0.02ax |
2 | 9.15 ± 0.04bx | 9.08 ± 0.05bx | 9.15 ± 0.06abx | 9.11 ± 0.00bx |
4 | 9.07 ± 0.02bx | 9.08 ± 0.05bcx | 9.15 ± 0.03abx | 9.11 ± 0.01bx |
6 | 8.99 ± 0.08bx | 9.03 ± 0.01cdx | 9.09 ± 0.04bcx | 9.10 ± 0.03bx |
8 | 9.01 ± 0.02bx | 9.02 ± 0.02dx | 9.05 ± 0.02cx | 9.05 ± 0.03cx |
10 | 8.99 ± 0.01bx | 9.00 ± 0.02dx | 9.00 ± 0.02cdx | 9.02 ± 0.02cx |
12 | 8.89 ± 0.01cy | 8.92 ± 0.02exy | 8.95 ± 0.01dx | 8.95 ± 0.00dx |
Means with different letters are significantly different within column and row, respectively (p < 0.05, n=3).