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.