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Table 1 Factors and levels for the stirred flasks experiments

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

Factor Compound Levels
+
A Olive oil 10 g/L 20 g/L
B Yeast extract 3.0 g/L 5 g/L
C KH2PO4 1.0 g/L 2 g/L
D MgSO4·7H2O 1.4 g/L 2 g/L
E NaCl 1.0 g/L 2 g/L
F CaCl2 0.8 g/L 2 g/L
G Trace elements solutiona 2.0 mL 4 mL
  1. aEach 100 mL contains: 50 mg of boric acid; 4 mg of CuSO4; 10 mg of KI; 20 mg of FeCl3; 20 mg of MnCl2; 20 mg of NaMoO4; and 40 mg and ZnSO4