Table 2.

Identification results of the main potential biomarker changes.

Peak No.	R.T. (min)	Formula	Mass (m/z)	Biomarkers
1	6.04	C16H35NO2	274.2668	Sphinganine
2	1.14	C5H11N	85.0891	Piperidine
3	17.42	C16H32O2	256.2402	Fatty acid(14:0(10Me, 13Me))
4	9.64	C26H52NO7P	521.3554	PC(0:1/18:1(9E))
5	15.90	C20H34O2	306.2559	3β,5β-androstanediol
6	1.12	C7H13NO3	159.0895	5-acetamidopentanoate
7	18.13	C18H34O2	282.2559	cis-2-octadecenoic acid
8	21.44	C40H79O7P	702.5563	PA(P-18:0/19:0)
9	8.78	C23H45NO4	399.3349	Palmitoylcarnitine
10	23.82	C44H84NO8P	785.6007	PC(18:1(11Z)/18:1(9Z))
11	18.12	C42H80NO8P	757.5622	PE(22:2(13Z, 16Z)/15:0)
12	10.33	C25H49NO4	427.3662	DL-stearoylcanitine