Table 2. Pearson’s correlation coefficients between total phenolics contents and antioxidant properties

Factor Pearson’s correlation coefficients (r)
DPPH ABTS TPC FRAP ORAC
DPPH 1
ABTS 0.913** 1
TPC 0.729** 0.716** 1
FRAP 0.418 0.497 0.824** 1
ORAC −0.234 −0.436 −0.099 0.155 1
Significant at p<0.01.