Table 2.
The sequences, inhibition capacity (IC 50) and precursors of natural peptides with α-amylase and α-glucosidase inhibitory activity in literature.
| Ingredient | Peptides Sequence | IC 50 | Precursors | Reference |
|---|---|---|---|---|
| α-amylase | PPHMLP | 1.97 (mg mL−1) | Pinto bean | [103] |
| PLPWGAGF | 8.96 (mg mL−1) | |||
| PPHMGGP | 14.63 (mg mL−1) | |||
| PLPLHMLP | 18.45 (mg mL−1) | |||
| LSSLEMGSLGALFVCM | 20.56 (mg mL−1) | |||
| FFRSKLLSDGAAAAKGALLPQYW | 0.02 (μM) | Cumin seed protein | [104] | |
| RCMAFLLSDGAAAAQQLLPQYW | 0.04 (μM) | |||
| DPAQPNYPWTAVLVFRH | 0.03 (μM) | |||
| RCMAFLLSDGAAAAQQLLPQYW | 0.04 (μM) | Cumin seed protein | [105] | |
| DPAQPNYPW TAVLVFRH | 0.15 (μM) | |||
| WEVM | - | Black bean protein | [106] | |
| AKSPLF | - | |||
| <3 kDa fraction | - | Rice bran protein | [107] | |
| KLPGF | 120.0 ± 4.0 (μM) | Albumin | [108] | |
| NVLQPS | 110.0 ± 6.2 (μM) | |||
| α-glucosidase | - | 36.3%–50.1% mg−1 DW | Bean protein | [109] |
| TTGGKGGK | - | Black bean protein | [107] | |
| KLPGF | 59.5 ± 5.7 (μM) | Albumin | [108] | |
| NVLQPS | 100.0 ± 5.7 (μM) |