. 2018 Oct 11;6:e5694. doi: 10.7717/peerj.5694

Table 2. Correlation analyses between phenolic (PC) and flavonoid content (FC) and antioxidant activities of the crude extracts and fractions of F deltoidea leaves.

	DPPH assay	Cuprac assay	Ferrozine assay	Ferricyanide assay	Lipid peroxidation assay
	R²	R²	R²	R²	R²
PC	0.1697^*	0.9161^**	−0.0213	0.3255^**	0.6658
FC	0.7765^*	0.5867^**	−0.6321^*	0.3358^**	0.5225^*

Notes.

Data with p value < 0.05 were considered significant.

^**

Data with p value < 0.01 were considered significant.