Applied Biological Chemistry

Table 3 The regression coefficients values of the responses with their p-values

From: Optimizing the extraction of essential oil from cinnamon leaf (Cinnamomum verum) for use as a potential preservative for minced beef

Variables	Yield (g/g)		Cinnamaldehyde (%)
Variables	Regression coefficient	p-values	Regression Coefficient	p-values
Intercept	3.07	0.0001	25.77	0.0001
A-Time	0.1319	0.0002	− 0.5422	0.0180
B-Temperature	0.0834	0.0053	− 2.45	0.0001
C-Feed Mass	0.2119	0.0001	2.10	0.0001
AB	− 0.0712	0.0429	0.4312	0.1163
AC	0.0163	0.6085	− 0.4488	0.1039
BC	− 0.0088	0.7816	− 2.07	0.0001
A²	− 0.0918	0.0025	0.2957	0.1446
B²	− 0.1661	0.0001	1.61	0.0001
C²	− 0.1855	0.0001	1.16	0.0001
R²	0.9609		0.9791

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