Metabolomics of gastric cancer metastasis detected by gas chromatography and mass spectrometry

Table 1 Tissue metabolites in mice of control, non-metastasis and metastasis groups

Peak No.	Percentage	RT (min) metabolites	Match
1	6.1128	Propanoic acid	87
2	7.9894	Acetic acid	97
3	9.8780	Silanol	93
4	10.9850	Lactic acid	88
5	11.4610	Propanedioic acid	96
6	12.1110	2-methylglutaconic acid	80
7	14.9138	Butanoic acid	90
8	15.4200	L-Alanine	89
9	15.9640	Glycine	92
10	16.4966	Urea	93
11	16.7655	Acetamide	81
12	17.5162	1, 2-Butanediol	93
13	17.9103	L-methioninamide	82
14	18.1660	L-Valine	80
15	18.3168	Ethanol	73
16	18.6734	5-Nonanol	74
17	19.1113	D, L-leucine	98
18	19.3427	Pyrimidine	93
19	19.4178	Dimethylglycine	96
20	19.7869	L-isoleucine	86
21	20.4186	Succinate	85
22	21.0066	Propanamide	87
23	21.5133	Butanedioic acid	81
24	21.8323	2-butenoic acid	95
25	23.0521	Hexanethioic acid	89
26	23.8090	Malic acid	92
27	24.3032	L-Proline	91
28	24.4971	Pyrrolidine	72
29	24.5909	L-Methionine	83
30	25.0350	L-Serine	97
31	25.5230	L-Threonine	84
32	25.9421	Silanol	95
33	26.2298	1, 3-propanediamine	91
34	26.4800	L-phenylalanine	96
35	26.5676	Tetrame-thylenediamine	83
36	27.1681	Hexanoic acid	97
37	27.3933	L-Aspartic acid	90
38	27.9563	Glutamine	94
39	28.1940	Phosphoserine	98
40	28.3942	Mannofuranose	83
41	28.7319	L-Glutamic acid	84
42	28.8383	Hypoxanthine	91
43	29.5264	Glucofuranose	75
44	29.7953	L-Lysine	95
45	30.0330	2-furancarboxylic acid	99
46	30.7462	Glucose	97
47	31.6532	L-histidine	87
48	31.7845	L-arginine	89
49	32.0472	L-Tyrosine	92
50	32.1598	D-ribofuranose	83
51	32.4726	Decanoic acid	81
52	32.6540	Hexanedioic acid	95
53	33.5861	5-pyrimidinecarboxylic acid	89
54	34.6932	Myo-inositol	94
55	34.9560	Hexadecanoic acid	90
56	35.0435	Docosanoic acid	92
57	35.3250	Octadecanoic acid	79
58	35.4439	Maltose	92