. 2015 Feb 13;20(2):3107–3128. doi: 10.3390/molecules20023107

Table 5.

Discriminated metabolites of the serum identified using LTQ-XL-MS.

No.	m/z (+)	Adduct	Tentative ID	Fold Change ⁽¹⁾
No.	m/z (+)	Adduct	Tentative ID	HFD/ND	HFDC/HFD	HFDC/ND
1	468.4	[M+H]⁺	LysoPC 14:0	1.224	0.719 *	0.880
2	508.5	[M+H]⁺	LysoPC P-18:0	1.446 *	0.906	1.310 *
3	520.5	[M+H]⁺	LysoPC 18:2	0.677 *	1.133	0.767 *
4	524.5	[M+H]⁺	LysoPC 18:0	1.596 *	0.971	1.550 *
5	542.5	[M+H]⁺	LysoPC 20:5	0.681 *	1.059	0.721 *
6	546.5	[M+H]⁺	LysoPC 20:3	1.402 *	0.937	1.314 *
7	640.5	[M+NH₄]⁺	CE 16:1, DG 36:1	0.387 *	1.748 *	0.677
8	642.3	[M+NH₄]⁺	CE 16:0, DG 36:0	0.624 *	1.660 *	1.035
9	690.2	[M+NH₄]⁺	CE 20:4	0.784	1.548 *	1.214
10	692.4	[M+NH₄]⁺	CE 20:3	0.816	1.491 *	1.216
11	694.5	[M+NH₄]⁺	CE 20:2	0.578 *	1.133	0.654 *
12	764.6	[M+NH₄]⁺	TG 44:2	1.822 *	0.581 *	1.059
13	780.6	[M+Na]⁺	PC 34:2	0.663 *	1.084	0.719 *
14	784.7	[M+Na]⁺	PC 34:0	0.744 *	1.088	0.809 *
15	794.6	[M+NH₄]⁺	TG 46:1	1.519 *	1.033	1.569 *
16	810.7	[M+NH₄]⁺	TG 47:0	1.454 *	1.152	1.675 *
17	822.6	[M+NH₄]⁺	TG 48:1	1.665 *	0.744	1.239 *
18	838.7	[M+NH₄]⁺	TG 49:0	1.574 *	0.925	1.456 *
19	842.6	[M+NH₄]⁺	TG 50:5	0.637 *	1.009	0.642 *
20	844.6	[M+NH₄]⁺	TG 50:4	0.633 *	0.984	0.622 *
21	850.7	[M+NH₄]⁺	TG 50:1	2.070 *	0.925	1.915 *
22	852.7	[M+NH₄]⁺	TG 50:0	2.032 *	0.982	1.995 *
23	860.6	[M+NH₄]⁺	TG 51:3	0.741 *	0.973	0.721 *
24	870.6	[M+NH₄]⁺	TG 52:5	0.364 *	0.976	0.355 *
25	872.6	[M+NH₄]⁺	TG 52:4	0.495 *	1.045	0.517 *
26	876.7	[M+NH₄]⁺	TG 52:2	2.197 *	1.058	2.324 *
27	878.7	[M+NH₄]⁺	TG 52:1	2.798 *	1.050	2.939 *
28	880.7	[M+NH₄]⁺	TG 52:0	1.733 *	1.077	1.866 *
29	886.6	[M+NH₄]⁺	TG 53:4	0.710 *	1.062	0.753 *
30	892.6	[M+NH₄]⁺	TG 53:1	0.555 *	0.873	0.485 *
31	896.6	[M+NH₄]⁺	TG 54:6	0.551 *	0.963	0.531 *
32	898.6	[M+NH₄]⁺	TG 54:5	0.682 *	1.089	0.742 *
33	904.7	[M+NH₄]⁺	TG 54:2	1.901 *	1.209	2.299 *
34	906.7	[M+NH₄]⁺	TG 54:1	1.663 *	1.214	2.019 *
35	916.6	[M+NH₄]⁺	TG 56:10	0.451 *	0.985	0.444 *
36	918.6	[M+NH₄]⁺	TG 56:9	0.244 *	1.199	0.293 *
37	920.6	[M+NH₄]⁺	TG 56:8	0.399 *	1.335	0.532 *
38	922.6	[M+NH₄]⁺	TG 56:7	0.605 *	1.281	0.775 *
39	928.7	[M+NH₄]⁺	TG 56:4	1.475 *	1.180	1.741 *
40	942.6	[M+NH₄]⁺	TG 58:11	0.263 *	1.196	0.315 *
41	944.6	[M+NH₄]⁺	TG 58:10	0.407 *	1.554 *	0.633 *
42	946.6	[M+NH₄]⁺	TG 58:9	0.500	1.518 *	0.759 *

⁽¹⁾ Fold change was calculated by dividing the mean of the peak intensity of each metabolite from each of the two groups; ND, normal diet; HFD, high fat diet; HFDC, high fat diet with caffeine; CE, cholesteryl ester; DG, diacylglycerol; LysoPC, lysophosphatidylcholine; PC, phosphatidylcholine; TG, triglyceride; * p value < 0.05.