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. 2013 Jul 16;8(7):e68392. doi: 10.1371/journal.pone.0068392

Table 4. Correlation between response variables under different extraction conditions.

r ²	EtOH (%)			Time (min)			T (°C)
	TPC	TFC	DPPH	TPC	TFC	DPPH	TPC	TFC	DPPH
TFC	0.9185^a			0.6031^NS			0.8329^c
DPPH	0.7537^c	0.8763^b		0.2258^NS	0.5413^NS		0.9375^a	0.8101^c
ABTS	0.8162^c	0.8464^b	0.7617^c	0.7318^c	0.6486^NS	0.5449^NS	0.3463^NS	0.3599^NS	0.3121^NS

^a

P<0.005, ^b P<0.01, ^c P<0.05; NS: non-significant; r: correlation coefficient.