Abstract
A multi-component quantification fingerprint based on high-performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry technique has been established for the comparative analysis of raw and ripe fruits of Forsythia suspensa originated from different provinces. Eighteen bioactive constituents including three phenylethanoid glycosides derivatives, six phenolic acids, three flavonoids, four phenylpropanoids, one fatty acid and one terpenoid were identified and quantified. Total contents of phenylethanoid glycosides, phenylpropanoids and flavonoids from raw samples were found much higher than those from ripe samples, while total content of phenolic acids showed a contrary tendency. Moreover, the anti-microbial activities were comparatively assayed for the first time using five different bacterial strains. Results revealed a positive relationship between contents of total phenolic and anti-microbial activity. The results obtained in the present study may provide useful information for future utilization of F. suspensa.
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