FRUCTOSYLATED PUERARIN, AND PREPARATION METHOD THEREFOR AND USE THEREOF

摘要

A new fructosylated puerarin represented by Formula (I), a preparation method therefor and a use thereof in preparation of drugs for treating cardio-cerebrovascular diseases and/or tumor related diseases. R1 and R2 in Formula (I) are each independently selected from hydrogen, methyl, ethyl, formyl, acetyl, methylamino, and sulfate group, R is a monoglycosyl of fructose or an oligosaccharyl of 2 to 5 fructoses connected. The preparation method for the fructosylated puerarin comprises biologically converting puerarin into fructosylpuerarin and oligosaccharylpuerarin in an aqueous or non-aqueous system.