UPLC-TOF-MS Characterization and Identification of Bioactive Iridoids in Cornus mas Fruit
The typical total ion chromatogram (TIC) of C. mas fruit puree. Ionization source performed on Agilent Jet Stream TOF-MS with electrospray ionization (ESI) negative mode. (1) x-axis represents retention time and y-axis is intensity of peaks. (2) Peaks 1–10 were identified as tartaric acid (1), malic acid (2), citric acid (3), gallic acid (4), chlorogenic acid (6), rutin (9), and four iridoids, loganic acid (5), loganin (7), sweroside (8), and cornuside (10). (3) Peaks 6, 7, and 9 were enlarged by zooming in.
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