Research Article
Inhibitory Activities of Thai Culinary Vegetables against Key Enzymes Relevant to Diabetes Mellitus and the Kinetics of Enzyme Inhibitions
Table 4
Kinetic parameters for α-glucosidase inhibition of the vegetable extracts.
| Scientific name | Extraction solvent | (mM) | (μM/min) |
| α-glucosidase without inhibitor | | 0.39 ± 0.001 | 16.0 ± 0.002 |
| Syzygium gratum (Wight) S.N. Mitra var. gratum | Ethanol | 0.41 ± 0.001 | 4.99 ± 0.001 | Water | 0.15 ± 0.001 | 5.98 ± 0.001 |
| Coccinia grandis (L.) Voigt | Ethanol | 0.06 ± 0.002 | 2.32 ± 0.001 |
| Polygonum odoratum Lour | Ethanol | 0.53 ± 0.001 | 6.41 ± 0.002 | Water | 0.39 ± 0.001 | 5.71 ± 0.001 |
| Leucaena leucocephala (Lamk.) de Wit | Ethanol | 0.39 ± 0.001 | 7.13 ± 0.002 |
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Remarks: All data was expressed as mean ± standard deviation (S.D.).
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