A rapid and sensitive method for HPLC cholesterol determination in bile

Abstract
A relatively little time consuming simple method based on the treatment of bile with cholesterol oxidase and subsequent high performance liquid chromatography measurement of the 3-ketocholesterol produced in order to determine the level of the cholesterol concentration is described. The method avoids bilirubin interferences, has high reproducibility and recovery assays give 100% values. It is highly sensitive and suitable for use in the determination of cholesterol concentrations in bile and other bilirubin containing biological fluids.
Keywords:
Chromatography, Animals, Bile/chemistry, Cholesterol/analysis, High Pressure Liquid, Ketocholesterols/analysis, Male, Rats, Reproducibility of Results, Sensitivity and Specificity, Sprague-Dawley, Time Factors
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