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Matrix-assisted laser desorption/ionization-mass spectrometry (MALDI–MS) and tandem MS (MS/MS) analyses of strawberry fruit extracts. (a) MS spectra at m/z 600–1300. MS/MS spectra of the precursor ions at m/z (b) 633.1, (c) 783.1, (d) 935.1, (e) 1085.1, and (f) 1235.1.
