Table 2.
Pearson correlation between phenolic contents and biological activities.
| Variables | TPC | TFC | TCT | TMAC | DPPH | ABTS | FRAP | PMA | FICA | •OH-RSA | RPA |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TFC | 1.00 | ||||||||||
| TCT | 0.99 | 0.99 | |||||||||
| TMAC | −0.48 | −0.47 | −0.44 | ||||||||
| DPPH | 0.98 | 0.98 | 0.95 | −0.38 | |||||||
| ABTS | 0.62 | 0.63 | 0.66 | 0.38 | 0.66 | ||||||
| FRAP | 0.92 | 0.92 | 0.87 | −0.31 | 0.98 | 0.64 | |||||
| PMA | −0.21 | −0.20 | −0.13 | 0.90 | −0.18 | 0.62 | −0.19 | ||||
| FICA | 0.88 | 0.88 | 0.91 | −0.04 | 0.87 | 0.91 | 0.80 | 0.28 | |||
| •OH-RSA | 0.97 | 0.97 | 0.96 | −0.27 | 0.99 | 0.76 | 0.96 | −0.04 | 0.93 | ||
| RPA | 0.99 | 0.99 | 1.00 | −0.46 | 0.95 | 0.65 | 0.86 | −0.14 | 0.91 | 0.95 | |
| * α-glu | 0.79 | 0.80 | 0.84 | 0.11 | 0.79 | 0.95 | 0.71 | 0.43 | 0.99 | 0.87 | 0.83 |
* = α-glucosidase inhibition activity (%), values in bold are different from 0 with a significance level alpha = 0.1.