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 1. Peak 1 corresponds to unknown phenolic compound, peak 2, to dicaffeic acid, and peak 3 to kaempferol-3-O-robinoside-7-O-rhamnoside/robinin.</table>

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Figure 5

Figure 5: 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 5 | 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 