Table 2.
Pearson correlation coefficients of total phenolic, flavonoid, and alkaloid contents with cholinesterase inhibitory and antioxidant activities.
| TPC | TFC | TAC | |
|---|---|---|---|
| AChEI | 0.919 | 0.778 | 0.877 |
| BuChEI | 0.713 | 0.780 | 0.961 |
| DRS | 0.943 | 0.929 | 0.863 |
| HRS | 0.765 | 0.888 | 0.979 |
| LPI | 0.927 | 0.762 | 0.939 |
| FRP | 0.970 | 0.931 | 0.859 |
| TACA | 0.963 | 0.885 | 0.786 |
AChEI, acetylcholinesterase inhibition; BuChEI, butyrylcholinesterase inhibition; DRS, DPPH radical scavenging; HRS, hydroxyl radical scavenging; LPI, lipid peroxidation inhibition; FRP, ferric reducing power, TACA, total antioxidant capacity.