Table 4.
Mycelium and extracellular fructosyltransferase activities from mutants and Aspergillus oryzae IPT-301 parent strain
| Strains | Mycelium activity | Extracellular activity | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Specific AT(U g-1) | AT (U ml-1) | Relative AT (%) | AT(U ml-1) | Relative AT (%) | |||||
| IPT-301 | 545.2 ± 17.1 | 4.3 | 100.0 | 8.6 ± 1.3 | 100.0 | ||||
| IPT-744 | 611.3 ± 22.9 | 4.7 | 110.4 | 4.8 ± 0.8 | 56.0 | ||||
| IPT-745 | 780.7 ± 25.2 | 6.3 | 146.0 | 4.3 ± 1.2 | 50.2 | ||||
| IPT-746 | 878.9 ± 36.3 | 7.6 | 176.8 | 6.1 ± 0.6 | 70.9 | ||||
| IPT-747 | 537.0 ± 24.2 | 4.0 | 92.8 | 12.9 ± 1.3 | 150.2 | ||||
| IPT-748 | 722.0 ± 37.5 | 6.5 | 152.5 | 2.7 ± 0.5 | 31.3 | ||||
| IPT-749 | 872.3 ± 26.5 | 3.6 | 84.2 | 5.6 ± 1.2 | 65.8 | ||||
| IPT-754 | 569.4 ± 14.5 | 3.3 | 78.2 | 4.0 ± 0.9 | 46.6 | ||||
AT: fructosyltransferase activity. Values represent the means of 18 and 6 cultures at 30ºC during 72 h for parent strain and each mutant, respectively