High Performance Liquid Chromatographic Analysis of Cholesterol in Milk
作者： W. Jeffrey Hurst , M.D. Aleo , Robert A. Martin
DOI: 10.3168/JDS.S0022-0302(83)82067-0
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摘要: Abstract A method was developed for analysis of cholesterol in whole milk powder and commercial liquid products. High performance chromatography employed a nonaqueous reversed phase chromatographic system. Sample preparation by saponification with methanolic potassium hydroxide followed extraction ether. Potential interfering substances were removed prior to injection simple clean-up procedure using silica gel Sep-pak TM , The system included carbon-18 column hexane/isopropanol mobile detection at 205nm. Method validation recovery studies carbon–14 labeled indicated excellent performance.
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