Table 3.

Tests of significance for the extracted substances (ANOVA).

	Polyphenols			Ascorbic acid			Anthocyanins			DPPH
	Degrees of freedom	F	P	Degrees of freedom	F	P	Degrees of freedom	F	P	Degrees of freedom	F	P
Absolute term	1	281.5305	0.000014	1	1035.819	0.000001	1	999.4516	0.000001	1	3138.275	0.000000
Mass	2	18.8011	0.004719	2	54.242	0.000407	2	22.4283	0.003185	2	0.060	0.942846
Time	2	2.2616	0.199739	2	3.521	0.111089	2	11.3832	0.013760	2	1.873	0.247096
Error	5			5			5			5