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Table 5 Effect estimates, standard errors, t-test and p-values for the optimization of lipid extraction yield from Lipomyces K. according to the full factorial CCRD

From: Optimization of lipid extraction from the oleaginous yeasts Rhodotorula glutinis and Lipomyces kononenkoae

Variables and interactions Estimated effects Standard errors t-value p-value
Cycles (L) 1.760 0.463 3.802 0.004
Cycles (Q) − 2.012 0.886 − 2.272 0.049
Time (L) 1.200 0.463 2.592 0.029
Time (Q) 2.587 0.886 2.922 0.017
Beads (L) 1.300 0.463 2.808 0.020
Beads (Q) − 3.712 0.886 − 4.192 0.002
1L by 2L 0.150 0.518 0.290 0.779
1L by 3L − 1.550 0.518 − 2.995 0.015
2L by 3L − 1.000 0.518 − 1.932 0.085
  1. L linear, Q quadratic