Analysis of flavonoids from leaves of Acanthopanax Senticosus Harms

Using electrospray tandem mass spectrometry (ESI-MSn), the flavonoids obtained from leaves in Acanthopanax Senticosus Harms were analyzed. The typical colorimetric method and the ultroviolet spectrophotometry were also utilized for the determination of the content of total flavonoids. The analytical results showed that there was quercetin as well as its derivatives in leaves of acanthopanax senticosus harms and their content was as high as 37.25%.