Table 2.
Inhibitory effects of maplebiose1 on glycolytic enzymes.
| Glycolytic Enzyme | Inhibitor (µg) | Peak Response (D2) | Peak Response (D3) | Inhibition Rate (%) | IC50 (mmol/L) |
|---|---|---|---|---|---|
| Invertase | - | 30.5 | - | - | 1.17 |
| 1 | 18.2 | N.D | 40.3 | ||
| 10 | 17.2 | N.D | 43.6 | ||
| 100 | 23.1 | 12.5 | 65.2 | ||
| Maltase | - | 44.3 | - | - | 1.72 |
| 1 | 27 | N.D | 39.1 | ||
| 10 | 22.4 | N.D | 49.4 | ||
| 100 | 20.3 | N.D | 54.2 | ||
| Isomaltase | - | 31.6 | - | - | - |
| 1 | 21.1 | N.D | 33.2 | ||
| 10 | 31.9 | N.D | - | ||
| 100 | 46.7 | 6.7 | - |
D2: Glucose peak area for each sample; D3: Glucose peak area for each sample without substrate; N.D. not detectable; IC50: half-maximal inhibitory concentration.