Simultaneous Extraction Optimization and Analysis of Flavonoids from the Flowers of <i>Tabernaemontana heyneana</i> by High Performance Liquid Chromatography Coupled to Diode Array Detector and Electron Spray Ionization/Mass Spectrometry

<table>HPLC-DAD chromatogram of PTLC eluate 2. Peak 1 corresponds to sinapic acid-hexoside (hydroxycinnamic acid sugar derivative), peak 2 to unknown phenolic compound, and peak 3 to rutin.</table>

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Figure 7

Figure 7: Simultaneous Extraction Optimization and Analysis of Flavonoids from the Flowers of <i>Tabernaemontana heyneana</i> by High Performance Liquid Chromatography Coupled to Diode Array Detector and Electron Spray Ionization/Mass Spectrometry 

Figure 7 | Simultaneous Extraction Optimization and Analysis of Flavonoids from the Flowers of Tabernaemontana heyneana by High Performance Liquid Chromatography Coupled to Diode Array Detector and Electron Spray Ionization/Mass Spectrometry 