Metabolomics Workbench : NIH Data Repository

Analysis	Metabolite Name	Measured Value	Units	experimental factor
Liquid chromatography time-of-flight mass spectometry POSITIVE ION MODE	Xanthine	0.00055	relative area	ad libitum
Liquid chromatography time-of-flight mass spectometry POSITIVE ION MODE	Xanthine	0.00062	relative area	ad libitum
Liquid chromatography time-of-flight mass spectometry POSITIVE ION MODE	Xanthine	0.00064	relative area	Fasted 4 hours
Liquid chromatography time-of-flight mass spectometry POSITIVE ION MODE	Xanthine	0.00073	relative area	Fasted 4 hours
Liquid chromatography time-of-flight mass spectometry POSITIVE ION MODE	Xanthine	0.00075	relative area	ad libitum
Liquid chromatography time-of-flight mass spectometry POSITIVE ION MODE	Xanthine	0.00084	relative area	Fasted 4 hours
Liquid chromatography time-of-flight mass spectometry POSITIVE ION MODE	Xanthine	0.0024	relative area	Fasted 8 hours
Liquid chromatography time-of-flight mass spectometry POSITIVE ION MODE	Xanthine	0.0025	relative area	Fasted 8 hours
Liquid chromatography time-of-flight mass spectometry POSITIVE ION MODE	Xanthine	0.0027	relative area	Fasted 8 hours