Table 5.
Determination coefficients and probability of second degree polynomials for total anthocyanin contents, DPPH radical scavenging activity and SOD-like activity of enzymeassist extracted anthocyanin from Bokbunja.

	Regressions	Linear	Quadratic	Cross product	Total regress
Total anthocyanin contents (%,dry weight)	R2	0.24	0.24	0.18	0.65
	F value	4.59	4.64	3.42	4.22
	Prob>F	0.0134	0.0128	0.0369	0.0035
DPPH radical scavenging activity (%)	R2	0.22	0.19	0.31	0.73
	F value	5.42	4.75	7.57	5.92
	Prob>F	0.0068	0.0116	0.0014	0.0005
SOD-like activity (%)	R2	0.28	0.19	0.27	0.75
	F value	7.47	5.14	7.13	6.58
	Prob>F	0.0015	0.0085	0.0019	0.0002