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- W2349205928 abstract "Objective To establish fingerprint and qualitatively analyze the common peaks for the methanol extract of Tagetes erecta flowers from Heilongjiang Province,which could provide reference for the quality control of T.erecta.Methods The fingerprint was established with UV detection and HPLC separation.Chromatographic condition included a Zorbax Eclipse XDB column(250 mm × 4.6 mm,5 μm),gradient elution with acetonitrile-0.2% phosphoric acid as mobile phase,flow rate 1 mL/min,column temperature 25 ℃,and detection wavelength 254 nm.LC-MS was used for the qualitative analysis of common peaks.LC-MS performed on electrospray ionization(ESI) source with anion-pattern scanning and atomizer-pressure 241.325 kPa as well as desiccator temperature 350 ℃,flow rate 10 L/min,and scanning area m/z 50-1 000.Results The fingerprint of the alcohol extract from T.erecta flowers with good precision,repeatability,and stability composed of eight common peaks.The chemical compositions corresponding to five common peaks were patuletin,isoquercitin,isoquercitrin,and quercetagetin with its glycosides.Conclusion The liquid fingerprint established could offer reference for the quality control of T.erecta." @default.
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- W2349205928 date "2012-01-01" @default.
- W2349205928 modified "2023-09-26" @default.
- W2349205928 title "Fingerprint for methanol extract of Tagetes erecta flowers from Heilongjiang Province" @default.
- W2349205928 hasPublicationYear "2012" @default.
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