Analysis of Therapeutic Effect of Ilex hainanensis Merr. Extract on Nonalcoholic Fatty Liver Disease through Urine Metabolite Profiling by Ultraperformance Liquid Chromatography/Quadrupole Time of Flight Mass Spectrometry
Figure 6
MS/MS spectra of allantoin (the precursor ion was m/z 157.0315; the major fragment was m/z 114.0296) (a) in urine samples, (b) standard.