Table 3.

Summary of the effects of factors and their significance (p  value).

Factor	p value	Effect
x 1	0.008167∗	−0.00735
x 2	0.074161∗∗	0.001704
x 3	0.033663∗	−0.00355
x 1 2	0.65681	0.000254
x 2 2	0.004965∗	0.00945
x 3 2	0.349469∗	−0.000596
x 1 x 2	0.084095∗∗	0.00305
x 1 x 3	0.463396	−0.00085
x 2 x 3	0.023548∗	−0.00605

x ₁  = ethanol; x₂  = temperature; x₃  = extraction time; ^∗p < 0.05; ^∗∗p < 0.1.