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Table 6 Effects estimates, standard errors, t-test and p-values for the optimization of lipid extraction yield from Rhodotorula g. 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) 1.020 0.563 1.811 0.104
Cycles (Q) 0.333 1.077 0.309 0.764
Time (L) 0.140 0.563 0.249 0.809
Time (Q) − 1.267 1.077 − 1.176 0.270
Beads (L) 1.920 0.563 3.410 0.008
Beads (Q) − 1.967 1.077 − 1.826 0.101
1L by 2L − 0.450 0.630 − 0.715 0.493
1L by 3L − 0.900 0.630 − 1.430 0.187
2L by 3L − 0.200 0.630 − 0.318 0.758
  1. L linear, Q quadratic