Research Article

Phytochemical Composition of Solanum retroflexum Analysed with the Aid of Ultra-Performance Liquid Chromatography Hyphenated to Quadrupole-Time-of-Flight Mass Spectrometry (UPLC-qTOF-MS)

Figure 2

UHPLC-qTOF-MS chromatogram showing single-ion chromatogram (a) and the base peak in chromatogram (b) of chlorogenic acid detected in the negative-ionization mode.
(a)
(b)