The common conjugated bile acids of deproteinated bile from the human or the rat can be separated by high-pressure liquid chromatography and quantitated within 30 min with a 4-mm x 30-cm "fatty-acid analysis" column (Waters Associates) in 2-propanoV8.8 mM potassium phosphate buffer (pH 2.5) 160:340,
Bile acids: LXXII. High-performance liquid chromatographic analysis of bile acid coenzyme A derivatives
โ Scribed by David A. Abbott; David E. Schlarman; Ping H. Patrick; Daniel M. Tal; William H. Elliott
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 415 KB
- Volume
- 146
- Category
- Article
- ISSN
- 0003-2697
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โฆ Synopsis
The mobilities of coenzyme A and coenzyme A derivatives of cholate, chenodeoxycholate, deoxycholate, lithocholate, and their 501 analogs were studied in reversed-phase high-performance liquid chromatography. With a C,s Radial-PAK A cartridge (lo-pm particles) and a solvent mixture of 2-propanol/lO mM phosphate buffer (pH 7.0, 140:360), separation of the chenodeoxycholyl and deoxycholyl coenzyme A derivatives was not observed. An increase in ionic strength of the buffer to 50 mM afforded separation, which was markedly augmented with a Cls Radial-PAK A cartridge with 5-pm particles. Lowering the pH of the buffer to 5.5 did not materially change the separations regardless of the ionic strength. Quantitation was carried out to a lower level of 8.5 X IO-'* mol. 0 1985 Academic press, hc.
๐ SIMILAR VOLUMES
A method for determining tissue levels of Coenzyme A and various short-chain-length acyl-CoA derivatives using high-performance liquid chromatography is presented. Separation of the various compounds was accomplished using a reverse-phase Spherisorb ODS II, 5-pm Cl8 column. Mobile-phase solvents wer