Table 3 Pearson’s correlation coefficients of total phenolic and flavonoid contents as well as antioxidant assays
| Â | TPC | TFC | ABTS assay | DPPH assay | FRAP assay | ORAC assay | BCB assay |
|---|---|---|---|---|---|---|---|
TPC | NA | 0.951a | -0.575 | -0.668 | 0.717 | 0.847b | -0.797 |
TFC | 0.951a | NA | -0.553 | -0.584 | 0.754 | 0.935a | -0.480 |
ABTS assay | -0.575 | -0.553 | NA | 0.962a | -0.858b | -0.606 | -0.108 |
DPPH assay | -0.668 | -0.584 | 0.962a | NA | -0.856b | -0.590 | 0.272 |
FRAP assay | 0.717 | 0.754 | -0.858b | -0.856b | NA | -0.684 | -0.096 |
ORAC assay | 0.847b | 0.935a | -0.606 | -0.590 | 0.684 | NA | -0.172 |
BCB assay | -0.797 | -0.480 | -0.108 | 0.272 | -0.096 | -0.172 | NA |