Table 4.
Correlation coefficients (r) and probability (p) of the linear relationships between phenolic contents of Cotoneaster leaf and fruit extracts and their activity parameters—influence on α-glucosidase, α-amylase inhibition, and AGE formation.
| r (p) for: | TPC (mg GAE/g) |
TPA (mg CYE/g) |
TPH (mg/g) |
TCA (mg/g) |
TFL (mg/g) |
TLPA (mg/g) |
|---|---|---|---|---|---|---|
| α-glucosidase (µg/mL) |
−0.9119
(0.011) * |
−0.9216
(0.009) * |
−0.5819 (0.226) |
−0.3844 (0.452) |
−0.0648 (0.903) |
−0.8957
(0.016) * |
| α-amylase (µg/mL) |
−0.7301 (0.039) * |
−0.7205
(0.048) * |
−0.1924 (0.715) |
0.0055 (0.993) |
0.3719 (0.468) |
−0.9274
(0.008) * |
| protein glycation (µg/mL) |
−0.8854
(0.019) * |
−0.8988
(0.015) * |
−0.9121
(0.011) * |
−0.7899
(0.042) * |
−0.6140 (0.195) |
−0.5612 (0.240) |