Fig. 1From: Fermentation of Danggui Buxue Tang, an ancient Chinese herbal mixture, together with Lactobacillus plantarum enhances the anti-diabetic functions of herbal productConversion of flavonoid glycosides and its chemical analysis. a Conversion of calycosin-7-O-β-D-glucoside and ononin to calycosin and formononetin, examples of hydrolysis of flavonoid glycosides mediated by an enzymatic reaction. b Representative UPLC-MS/MS spectra of calycosin-7-O-β-D-glucoside, calycosin, ononin, and formononetin, showing precursor ion to product ion transitions, and their proposed fragmentation pathwaysBack to article page