Foliamangiferosides, preparation method and use thereof

摘要

Foliamngiferosides having the general formula (I) are disclosed, wherein R is H or —OCH. The preparation method of the compounds, pharmaceutical compositions comprising the compounds as the active ingredients, the use of the compounds and the pharmaceutical compositions for inhibiting the activity of α-glucosidase are also disclosed. The foliamangiferosides can be used in preparing drugs for treating diabetes.