[Retracted] Comparison of the Metabolites of Water Polo Players before and after Competition by the Metabolomic Approach

Table 2

Identification of major metabolites in players’ urine maps.

No.	Metabolites	(ppm)
1	3-Aminoisobutyrate	1.19(d), 1.20(d)
2	Lactic acid	1.34(d), 1.33(d)
3	N-Acetyl-glycoproteins	2.05(s)
4	Glutamine	2.13(s)
5	Acetoacetate	2.27(s)
6	Glutamate	2.35(s)
7	Citrate	2.55(s)
8	Citric acid	2.57(s)
9	Dimethylacetamide	2.68(s)
10	Dimethylamine	2.71(d), 2.73(d)
11	Succinimide	2.78(s)
12	Succinic acid	2.81(s)
13	Dimethylglycine	2.95(s)
14	Creatinine	3.02(s), 3.05(s), 4.06(s)
15	Diethyl malonate	3.12(s)
16	Choline	3.20(d), 3.21(d)
17	Carnitine	3.23(s)
18	Trimethylamine N-oxide	3.27(s)
19	Taurine acid	3.28(s)
20	Scyllo-inositol	3.37(s)
21	Glucose	3.45(d)
22	Glycine	3.57(s)
23	Phenylacetylglycine	3.67(s), 7.35(s), 7.37(q)
24	Ethanol	3.68(s)
25	β-Glucose	3.75(s)
26	Guanidinoacetic acid	3.81(s)
27	Pantothenic acid	3.96(s)
28	Hippurate	3.97∼3.98(d), 7.56(s), 7.57(s), 7.83(s), 7.85(q)
29	Guanine	7.68(s)
30	Hypoxanthine	8.13(d), 8.14(d)