Inhibitory Activities of Thai Culinary Vegetables against Key Enzymes Relevant to Diabetes Mellitus and the Kinetics of Enzyme Inhibitions

Table 3

The IC₅₀ and kinetics for enzyme inhibition of the vegetable extracts.

Scientific name	Extraction solvent	IC50 (µg/mL)
Syzygium gratum (Wight) S.N. Mitra var. gratum	Ethanol	542.50 ± 0.90
	Water	516.92 ± 5.08
Coccinia grandis (L.) Voigt	Ethanol	82.74 ± 1.39
Polygonum odoratum Lour	Ethanol	49.03 ± 0.72
	Water	25.60 ± 0.42
Leucaena leucocephala (Lamk.) de Wit	Ethanol	13.39 ± 0.14

Remarks: All data was expressed as mean ± standard deviation (S.D.).