Table 7. Correlation between antioxidant activities of jeungpyeon and the amounts of O. japonica powder added

	Polyphenol	Flavonoid	ABTS+	DPPH	Reducing power
Polyphenol	1
Flavonoid	0.982**1)2)	1
ABTS+	0.968**	0.995**	1
DPPH	0.961**	0.990**	0.989**	1
Reducing power	0.976**	0.999**	0.994**	0.988**	1

Significant at p<0.01 among groups by linear regression analysis and correlation coefficient comes between −1 and 1.
^**p<0.01.