Lipids in Health and Disease

Table 3 Student test of the different terms suggested for the essential oil extraction yield model

From: Lawsonia inermis essential oil: extraction optimization by RSM, antioxidant activity, lipid peroxydation and antiproliferative effects

Factor	Coefficient	Standard Error	t	p
Constant	2.965	0.073	40.569	< 0.0001
x₁	−2.278	0.090	− 25.450	< 0.0001
x₂	0.858	0.090	9.590	< 0.001
x₃	0.080	0.090	0.894	0.412
x₁²	−0.782	0.066	−11.875	< 0.0001
x₂²	−0.029	0.066	−0.446	0.674
x₃²	−0.047	0.066	−0.707	0.511
x₁ × x₂	−0.089	0.127	−0.703	0.513
x₁ × x₃	0.092	0.127	0.727	0.500
x₂ × x₃	−0.035	0.127	−0.277	0.793

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ISSN: 1476-511X

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