Table 5.
Multiple correlation test among the phenolic, in vitro and in vivo antioxidant profiles, and other health beneficial effects.
| Total phenolics | Total flavonoids | Protocatechuic acid | p-hydroxy-benzoic acid | p-coumaric acid | Ferulic acid | ACE | BG | DPPH | ABTS | FRAP | SOD | Catalase | MDA | GSH | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total phenolics | 1 | 0.956 | 0.895 | 0.992 | 0.872 | 0.675 | −0.282 | −0.442 | 0.765 | 0.849 | 0.673 | 0.423 | 0.427 | −0.718 | −0.644 |
| Total flavonoids | 1 | 0.987 | 0.911 | 0.689 | 0.862 | −0.552 | −0.687 | 0.921 | 0.967 | 0.861 | 0.671 | 0.675 | −0.892 | −0.841 | |
| Protocatechuic acid | 1 | 0.832 | 0.562 | 0.933 | −0.680 | −0.796 | 0.972 | 0.995 | 0.932 | 0.782 | 0.786 | −0.953 | −0.918 | ||
| p-Hydroxy-benzoic acid | 1 | 0.927 | 0.576 | −0.159 | −0.326 | 0.678 | 0.775 | 0.574 | 0.305 | 0.310 | −0.625 | −0.543 | |||
| p-Coumaric acid | 1 | 0.227 | 0.224 | 0.053 | 0.352 | 0.481 | 0.224 | −0.075 | −0.070 | −0.286 | −0.188 | ||||
| Ferulic acid | 1 | −0.898 | −0.960 | 0.992 | 0.963 | 1.000 | 0.954 | 0.956 | −0.998∗ | −0.999∗ | |||||
| ACE | 1 | 0.985 | −0.834 | −0.747 | −0.900 | −0.989 | −0.988 | 0.870 | 0.915 | ||||||
| BG | 1 | −0.916 | −0.850 | −0.961 | −1.000 | −1.000 | 0.942 | 0.971 | |||||||
| DPPH | 1 | 0.990 | 0.991 | 0.907 | 0.909 | −0.998∗ | −0.985 | ||||||||
| ABTS | 1 | 0.962 | 0.838 | 0.841 | −0.978 | −0.951 | |||||||||
| FRAP | 1 | 0.955 | 0.957 | −0.998∗ | −0.999∗ | ||||||||||
| SOD | 1 | 1.000 | −0.934 | −0.965 | |||||||||||
| Catalase | 1 | −0.936 | −0.967 | ||||||||||||
| MDA | 1 | 0.995 | |||||||||||||
| GSH | 1 |
∗∗Correlation is significant at p < 0.01 and ∗correlation is significant at p < 0.05.