Table 7. Pearson’s correlation matrix between the contents of total phenolic and flavonoid, and antioxidant activities
| TPC | TFC | DPPH RSC | FRAP value |
TPC1) | r=1 | - | - | - |
TFC | r=0.614**2) (p=0.004) | r=1 | - | - |
DPPH RSC | r=0.827** (p=0.000) | r=0.919** (p=0.000) | r=1 | - |
FRAP value | r=0.546* (p=0.013) | r=0.962** (p=0.000) | r=0.830** (p=0.000) | r=1 |
TPC, total phenolic content; TFC, total flavonoids content; DPPH, free radical scavenging capacity; FRAP, ferric reducing antioxidant power.
correlation is significant at p<0.05, **correlation is significant at p<0.01.