Table 3.
Analysis of variance for the effects of three variables on yield, color value and total anthocyanin contents of purified anthocyanin from Bokbunja byproducts.

	Factors	HCl		TFA
		X1	X2	X1	X2
		Yield	F value	2.96	2615.38	2.86	1299.72
Prob>F	0.1986		<.0001	0.2055	<.0001
Color value	F value	23.79	26.18	11.31	2.92
	Prob>F	<.0001	<.0001	0.0008	0.0774
Total anthocyanin contents	F value	18.66	40.57	9.55	2.50
	Prob>F	<.0001	<.0001	0.0017	0.1088

X₁: Concentration of HCl or TFA
X₂: Concentration of ethanol