Table 4.
Specific inhibitory activity of fermented deCSP and acarbose against some enzymes.
| Enzyme | Inhibition by deCSP | Inhibition by Acarbose | ||
|---|---|---|---|---|
| IC50 (µg/mL) | Max. Inh. Activity (%) * | IC50 (µg/mL) | Max. Inh. Activity (%) * | |
| S. cerevisiae α-glucosidase | 6.7 ± 0.31 | 99 ± 2.2 | 1095 | 74 ± 3.4 ** |
| Rat intestinal α-glucosidase | 15.9 ± 0.7 | 97 ± 2.7 | 78 ± 3.2 | 91 ± 3.1 |
| B. stearothermophilus α-glucosidase | 6.6 ± 0.22 | 95 ± 2.3 | 0.042 ± 0.003 | 99 ± 1.7 |
| Rice α-glucosidase | 6.7 ± 0.25 | 96 ± 1.9 | 3.04 ± 0.82 | 100 ± 2.1 |
| Porcine pancreatic α-amylase | - | - | ND | ND |
| B. subtilis α-amylase | - | - | ND | ND |
* Maximum inhibitory activity was tested at 125 µg/mL of FCSP or acarbose; ** Maximum inhibitory activity of acarbose against S. cerevisiae α-glucosidase was determined at 2500 µg/mL of acarbose. ND: Not determined; -: No activity.