Optimization of Microwave-Assisted Extraction Method for Increased Extraction Yield and Total Phenol Content from Moringa Leaves (Moringa oleifera Lam.) var. PKM 1

Table 3

Regression coefficients and ANOVA estimated for extraction yield of MAE moringa leaf extract.

Source	Sum of squares	df	F value	value
Model	18.42	9	150.64	<0.0001	Significant
A-power	0.1688	1	12.42	0.0055
B-temperature	0.9486	1	69.82	<0.0001
C-time	0.1513	1	11.13	0.0075
AB	0.0008	1	0.0589	0.8132
AC	1.01	1	74.20	<0.0001
BC	0.2178	1	16.03	0.0025
A^2	7.66	1	563.92	<0.0001
B^2	2.97	1	218.57	<0.0001
C^2	0.0814	1	5.99	0.0344
Residual	0.1359	10
Lack of fit	0.0905	5	2.00	0.2330	Not significant
Pure error	0.0453	5
Cor total	18.56	19
R^2	0.9927
Adjusted R^2	0.9861
Predicted R^2	0.9598