Table 2.
Enzyme (U/mg prot) | Strains | Before passage | Generations | ||||
---|---|---|---|---|---|---|---|
P1 | P2 | P3 | P4 | P5 | |||
SOD | CBS2479 | 6.221 | 6.100 | 7.194 | 10.132 | 10.598 | 14.610 |
CBS8904 | 3.828 | 4.288 | 4.240 | 5.164 | 7.182 | 7.854 | |
CBS7137 | 3.460 | 2.490 | 4.970 | 5.833 | 5.023 | 5.016 | |
CBS8520 | 4.750 | 3.265 | 4.857 | 7.571 | 8.660 | 7.115 | |
Catalase | CBS2479 | 61.956 | 72.992 | 77.034 | 77.431 | 76.186 | 89.045 |
CBS8904 | 45.833 | 52.702 | 58.355 | 60.830 | 63.433 | 61.418 | |
CBS7137 | 42.610 | 42.270 | 50.916 | 59.775 | 65.858 | 66.025 | |
CBS8520 | 57.082 | 58.664 | 57.196 | 65.749 | 60.964 | 68.964 |
The data are the mean of triplicate experiments. U: unit of SOD or catalase. The SOD and catalase activities of Internal passage group strains went up gradually after passage in mice, and was significantly higher in 5th generation of Internal passage group (p < 0.05)