Table 4 Correlations between phenolic compounds and antioxidant activities
Compound | DPPH | ABTS | ESR-Alkyl |
|---|---|---|---|
TFC | 0.6244 | 0.4159 | 0.445 |
TPC | 0.9244** | 0.9399** | 0.9398** |
Gallic acid | 0.681* | 0.831* | 0.8304* |
Catechin | 0.2534 | 0.285 | 0.3525 |
4-Hydrobenzoic acid | 0.319 | 0.3485 | 0.4223 |
Chlorogenic acid | 0.8978** | 0.8569** | 0.8768** |
Caffeic acid | 0.8633** | 0.9666*** | 0.979*** |
Epicatechin | 0.9376** | 0.9692*** | 0.9639*** |
p-Coumaric acid | 0.5933 | 0.7086* | 0.6934 |
Sinapic acid | 0.3542 | 0.465 | 0.4268 |
Rutin | 0.9078** | 0.8561** | 0.8795** |
Myricetin | 0.9082** | 0.9183** | 0.9325** |
Quercetin | 0.8455** | 0.9329** | 0.9626*** |