Table 3.

Pearson correlation analysis between antioxidant contents and antioxidant activities

	Antioxidant contents
	P-vanillic acid	Ferulic acid	Caffeic acid	Coumaric acid	α-tocopherol	Total polyphenol	β-carotene
DPPH radical scavenging activity	0.912*	0.870*	0.897*	0.890*	0.834*	0.919**	0.699
Reducing power	0.790	0.638	0.688	0.913*	0.963**	0.892*	0.427

* Correlation is significant at the 0.05 level (2-tailed)

**Correlation is significant at the 0.01 level (2-tailed)