Table 2.
Stability of BLS after different treatments.
| Residual Activity (%) | ||
|---|---|---|
| Treatment | LCN 17 | LCN 43 |
| Temperature | ||
| 25°C / 60 min | 100 ± 0 | 100 ± 0 |
| 37°C / 60 min | 100 ± 0 | 100 ± 0 |
| 60°C / 60 min | 100 ± 0 | 100 ± 0 |
| 100°C / 20 min | 47 ± 0 | 47 ± 0 |
| 121°C / 15 min / 15lb in-2 | 15 ± 6 | 8 ± 0 |
| -20°C / 30 days | 100 ± 0 | 74 ± 26 |
| pH | ||
| 2 | 34 ± 13 | 74 ± 16 |
| 4 | 100 ± 0 | 100 ± 0 |
| 5 | 100 ± 0 | 100 ± 0 |
| 7 | 100 ± 0 | 100 ± 0 |
| 9 | 100 ± 0 | 74 ± 26 |
| 11 | 34 ± 13 | 15 ± 6 |
| Enzymes | ||
| Trypsin | 83 ± 12 | 42 ± 8 |
| Proteinase K | 6 ± 0 | 0 ± 0 |
Values are the means ± SE of three independent determinations.