Taken Hypersil amino column as the separation column, CH3CN/H2O (80∶20, v/v) as the mobile phase, and the flow rate kept at 1.0 mL/min, a method of high performance liquid chromatography monitored by refractive index dectetor was established for the adulteration detection of fructose, glucose, sucrose, and lactose in raw milk. The linear relationship of these four regression equations obtained in this study was very good in a range of 0.5 mg/mL-20 mg/mL;the relative standard deviation was 2.100%, 1.500%, 1.680%, and 2.975%, respectively;the ...