Factors Level N Mean Yield
(%)
Tukey Grouping
Method E-30 9 72.80 A
E-40 9 69.9 B
H-90 9 69.0 B
  Gut 9 78.70 A
Parts Frame 9 77.90 A
  Head 9 55.10 B
Groups with the same letter are not significantly different from each other at the
0.05 level.
E-30: Enzymatic hydrolysis at 30°C
E-40: Enzymatic hydrolysis at 40°C
H-90: Heat extraction at 90°C
Table 5: Tukey grouping on oil yield.