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Hydrophilic iridoid glycosides and oligosaccharides are the major active ingredients of Radix Rehmanniae. Analysis of oligosaccharides is a challenging task because they are highly hydrophilic, with similar chemical structures and absence of chromophore and fluorophore groups. The difficulty for simultaneous analysis of iridoid glycosides and oligosaccharides in Radix Rehmanniae is increased due...
A rapid and cost‐effective method based on microwave‐assisted extraction followed by capillary electrophoresis was developed for simultaneous quantification of seven alkaloids in Corydalis decumbens for the first time. The main parameters affecting microwave‐assisted extraction and capillary electrophoresis separation were investigated and optimized. The optimal microwave‐assisted extraction was performed...
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