Figure 1.

Dose-dependent inhibition of alpha-amylase, maltase and sucrase by GvEx. Enzyme reaction was conducted for the specified time, and the amount of glucose or maltose produced was measured by HPLC. Maltase and sucrase derived from acetone powder of rat intestine, and alpha-amylase obtained from porcine pancreas were purchased from Sigma Chemical Co. (St. Louis, MO, USA) [15].