. 2016 Jul 13;11(7):e0158942. doi: 10.1371/journal.pone.0158942

Table 5. Pearson’s correlation coefficients of antioxidant activities, TFC, and TPC of S. ferruginea extracts.

Trait ^a	TPC	TFC	DSC	MCA	ASA
TPC	1	0.942^**	0.809^**	0.861^**	0.817^**
TFC		1	0.800^**	0.855^**	0.816^**
DSC			1	0.862^**	0.933^**
MCA				1	0.855^**
ASA					1

^a TPC; total phenolic content, TFC; total flavonoid content, DSC; DPPH^• scavenging capacity, MCA; metal chelation activity, ASA; ABTS^•+ scavenging activity.

**significant at P < 0.05.