TABLE 1.
Initial Method (M1)
|
Modified Method (M2)
|
P | |
---|---|---|---|
n = 7 | n = 7 | ||
Collagenase concentration, CDUs/mL | 2550 | 3800 | — |
Collagenase injected, mL/g | 0.96 ± 0.02 | 1.0 ± 0.01 | 0.102 |
Net collagenase activity, CDUs/g | 3100.2 ± 354.7 | 4729.2 ± 423.5 | 0.012 |
Pancreas distension, % | 83.6 ± 6.4 | 93.6 ± 5.6 | 0.265 |
Pancreas weight, g | 5.4 ± 0.4 | 4.5 ± 0.3 | 0.082 |
Shaking speed, cycles/min | 88 | 300 | — |
Time of digestion, min | 44.4 ± 0.8 | 29.4 ± 0.5 | <0.001 |
Time of teasing, min | 4.0 ± 0.4 | 2.4 ± 0.3 | 0.003 |
Gradient density, g/mL* | 1.119/1.083/1.008 and 1.119/1.077/1.008 | 1.119/1.077/1.008 | — |
Purification temperature, °C | 22 | 4 | — |
See text for further details.