. 2020 Oct 21;5(43):27990–28000. doi: 10.1021/acsomega.0c03396

Table 2. Analysis of Variance of Optimization Models When Polyphenol Content Is Maximized Using Different Solvents^a.

solvent	source	sum of squares	df	mean square	F value	p value (prob > F)
aqueous ethanol	model	286.97	7	41	12.92	<0.0001
	S.D.	1.78		R²	0.8189
	mean	14.36
	CV %	12.41
aqueous acetone	model	78.17	4	19.54	4.76	0.0061
	S.D.	2.03		R²	0.4527
	mean	10.45
	CV %	19.4
aqueous NaOH	model	288.31	10	28.83	2.81	0.0296
	S.D.	3.21		R²	0.6227
	mean	24.5
	CV %	13.08
water	model	2.22	6	0.37	5.42	0.0078
	S.D.	0.26		R²	0.7474
	mean	9.04
	CV %	2.88

S.D.: standard deviation; CV %: coefficient of variance; F value: Fisher’s statistical value; p value: probability value; df: degree of freedom.

Table 2. Analysis of Variance of Optimization Models When Polyphenol Content Is Maximized Using Different Solventsa.