Table 5. The correlation coefficients between antioxidant activities and muffins added with Orostachys japonicus powder

	Polyphenol	Flavonoid	DPPH	ABTS+	Reducing power
Polyphenol	1.000
Flavonoid	0.954**1)	1.000
DPPH	0.982**	0.950**	1.000
ABTS+	0.941**	0.929**	0.919**	1.000
Reducing power	0.990**	0.970**	0.984**	0.942**	1.000

Significant differences among groups by linear regression analysis and correlation coefficient at ^**p<0.01.