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Table 5 Effect of the factors selected for the experimental design 27−4 on lipase production in terms of biomass (Y p/x)

From: Hydrolysis of carotenoid esters from Tagetes erecta by the action of lipases from Yarrowia lipolytica

Factor Degrees of freedom Sum of squares F
Olive oil 1 15,645.63 7.39*
Yeast extract 1 53,274.41 25.16*
KH2PO4 1 2102.45 0.99
MgSO4 1 1464.78 0.69
NaCl 1 22,626.92 10.69*
CaCl2 1 2852.895 1.35
Solution of trace mineral nutrients 1 15,466.031 7.3*
  1. * Significant differences (p ≤ 0.05)