Table 7.

α-Glucosidase inhibitory activities of pure compounds.

Compounds	α-Glucosidase IC50 (μg/mL)
Mangiferin	61.6 ± 5.1 **
Timosaponin A-III	72.5 ± 1.9 *
Neomangiferin	>400
Isomangiferin	183.2 ± 1.3 *
Acarbose a	322.0 ± 18.7 *

^a Acarbose used as positive control. * p < 0.05 and ** p < 0.01 compared with the control.