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. 2013 Feb 23;13:43. doi: 10.1186/1472-6882-13-43

Table 5.

Correlation matrix showing the interrelation among phenolics, flavonoids, DPPH scavenging, Ferric reducing-antioxidant power assay (FRAP), ascorbic acid, proline, Absorbance at 450 nm (ABS450) and protein

  Phenolics Flavonoids DPPH FRAP Ascorbic acid Proline ABS450 Protein
Phenolics
 1.000
 0.989**
 0.804**
 0.914**
 0.411
 0.390
 0.960**
 0.997**
Flavonoids
 0.989**
 1.000
 0.782**
 0.848**
 0.512
 0.274
 0.915**
 0.991**
DPPH
 0.804**
 0.848**
 1.000
 0.712**
 0.598*
 0.131
 0.840**
 0.834**
FRAP
 0.914**
 0.848**
 0.712**
 1.000
 0.056
 0.719**
 0.964**
 0.889**
Ascorbic acid
 0.411
 0.512
 0.598*
 0.056
 1.000
 0.621*
 0.267
 0.471
Proline
 0.390
 0.274
 0.131
 0.719**
 0.621*
 1.000
 0.530
 0.329
ABS450
 0.960**
 0.915**
 0.840**
 0.964**
 0.267
 0.530
 1.000
 0.953**
Protein 0.997** 0.991** 0.834** 0.889** 0.471 0.329 0.953** 1.000

**Correlation is significant at the 0.01 level (2-tailed); *Correlation is significant at the 0.05 level (2-tailed).