Evidence-Based Complementary and Alternative Medicine / 2019 / Article / Tab 1

Research Article

GC-MS Analysis and Inhibitory Evaluation of Terminalia catappa Leaf Extracts on Major Enzymes Linked to Diabetes

Table 1

IC50, Vmax, and Km values of T. catappa leaf extracts on α-glucosidase and α-amylase.

α-Glucosidaseα-Amylase
IC50 (mg/mL)Vmax (mM/min)Km (mM)IC50 (mg/mL)V max (mM/min)Km (mg)

TCE3.78 ± 0.26c0.130.190.24 ± 0.08a0.0132.27
TCA3.28 ± 0.47b0.100.770.75 ± 0.14b0.0162.22
Acarbose2.23 ± 0.21a0.85 ± 0.18b
Control0.350.190.0250.43

Data are represented as mean ± SD (n = 3). Values with different superscripts down a column are significantly different at . IC50: half maximal inhibitory concentration; Vmax: maximum velocity; Km: Michaelis constant.

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