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Poster Presentations

Day 2, May 16（Wed.）　　Poster

2P-08　　PDF

Collision induced reaction of 3-formylchromone protonated ion

(Yokohama City Univ.)
^oHoshiyuri Oji, Yu Usui, Hayato Sasaoka, Shinji Nonose

Chromones are known to pronounce various biological activity. Also, aldehydes are formed in lipid peroxidation, which have been studied extensively in mass spectrometry. In this study, we studied about time- and temperature-, vibration voltage- dependence of 3-formylchromone protonated ion [M+H]+ and fragment ions with home-made ESI-CID tandem mass spectrometer. H2 elimination occured as a major fragmentation pathway in CID studies of 3-formylchromone protonated ion [M+H-H2]+. After elimination of H2, fragment ion is collided with H2O to form hydrate ion [M+H-H2+H2O]+. At high vibration voltages, hydrate ion generated fragment ion sequentially.