UPLC-QTOF/MS-Based Lipidomic Profiling of Liver Qi-Stagnation and Spleen-Deficiency Syndrome in Patients with Hyperlipidemia

Table 1

Linear gradient composition.

Time (min)	Water (0.1% formic acid, 1mol/L ammonium acetate)	Acetonitrile
0	65	35
3	45	55
15	0	100
17	0	100
17.1	65	35
20	65	35