Metabolomics Workbench : NIH Data Repository

Analysis	Metabolite Name	Measured Value	Units	Age Category	Sex of individual
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	32806	Peak area	Young	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	66111	Peak area	Young	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	174402	Peak area	Old	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	193117	Peak area	Old	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	211709	Peak area	Young	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	277166	Peak area	Old	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	285296	Peak area	Young	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	291982	Peak area	Young	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	309267	Peak area	Old	Young
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	323074	Peak area	Old	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	326085	Peak area	Young	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	341811	Peak area	Old	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	372674	Peak area	Old	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	374230	Peak area	Young	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	406225	Peak area	Young	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	423458	Peak area	Old	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	425505	Peak area	Old	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	428132	Peak area	Old	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	532467	Peak area	Young	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	623540	Peak area	Young	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	640591	Peak area	Young	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	699217	Peak area	Old	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	737823	Peak area	Old	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	751951	Peak area	Young	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	799557	Peak area	Old	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	960605	Peak area	Old	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	974198	Peak area	Old	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	1052674	Peak area	Old	Female
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	1106539	Peak area	Unknown	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	1112370	Peak area	Young	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	1125571	Peak area	Young	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	1139502	Peak area	Young	Male
Reversed phase NEGATIVE ION MODE	XANTHINE (M-H)-	1205185	Peak area	Old	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	49995	Peak area	Young	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	129370	Peak area	Young	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	298542	Peak area	Young	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	356859	Peak area	Young	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	476613	Peak area	Young	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	489469	Peak area	Old	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	531981	Peak area	Old	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	532225	Peak area	Old	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	556089	Peak area	Young	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	599888	Peak area	Old	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	616819	Peak area	Old	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	626738	Peak area	Old	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	626777	Peak area	Young	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	638224	Peak area	Old	Young
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	693824	Peak area	Unknown	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	695400	Peak area	Young	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	706361	Peak area	Young	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	793855	Peak area	Old	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	947112	Peak area	Old	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+	1110928	Peak area	Young	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+		Peak area	Old	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+		Peak area	Old	Male
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+		Peak area	Young	Female
Reversed phase POSITIVE ION MODE	XANTHINE (M+H)+		Peak area	Young	Male