. 2015 Feb 17;2:792–805. doi: 10.1016/j.toxrep.2015.02.007

Table 2.

Correlation between antioxidant assays and polyphenols determination tests.

	DPPH	OH	NO	ABTS	RED ACT	FRAP	Molybdate	T. phenol	Flavonoid	Flavonol
DPPH	1
OH	0.822^*	1
NO	0.414	0.673^*	1
ABTS	0.820^*	0.861^*	0.789^*	1
RED ACT	0.707^*	0.686^*	0.743^*	0.932^*	1
FRAP	0.677^*	0.247	0.199	0.539^*	0.615^*	1
Molybdate	0.891^*	0.673^*	0.533	0.859^*	0.816^*	0.829^*	1
T. phenol	0.914^*	0.823^*	0.692^*	0.923^*	0.828^*	0.696^*	0.953^*	1
Flavonoid	0.949^*	0.741^*	0.502	0.831^*	0.735^*	0.789^*	0.971^*	0.970^*	1
Flavonol	0.787^*	0.535	0.500	0.681^*	0.618^*	0.827^*	0.908^*	0.895^*	0.931^*	1

Molybdat: phosphomolybdenum test; flavonols: flavonol assay; polyphenol: polyphenol assay; flavonoids: flavonoid assay; NO: NO radical scavenging test; ABTS: ABTS radical scavenging test; DPPH: DPPH radical scavenging test; OH: OH radical scavenging test; RED ACT: reductive activity test.

Significant values p = 0.050 (bilateral test).