Table 6 Analysis of variance for the effects of three variables on five responses

Factor		Total polyphenol contents	Total flavonoid contents	Maysin contents	DPPH radical scavenging activity	Tyrosinase inhibition
X1 1)	F value	54.41	65.98	105.95	424.79	77.71
	Pr > F	<.0001	<.0001	<.0001	<.0001	<.0001
X2 2)	F value	44.44	16.54	4.99	11.88	52.72
	Pr > F	<.0001	<.0001	0.0059	<.0001	<.0001
X3 3)	F value	5.28	1.53	2.06	3.69	4.97
	Pr > F	0.0045	0.2308	0.1244	0.0208	0.0060

Ethanol concentration (%)
Extraction temperature (°C)
Extraction time (h)