{"term":{"id":"09861","title":"sterol lipids","longtitle":"IUPAC Gold Book - sterol lipids","doi":"10.1351\/goldbook.09861","code":"09861","status":"current","initialism":"<em>initialism<\/em>: ST","definitions":[{"id":1,"text":"Structural derivatives of tetracyclic alcohols with a hydroxyl group in the position \\(\\ce{C-3}\\) and an aliphatic side chain in the position \\(\\ce{C-17}\\).","notes":{"1":"This category primarily comprises sterols: polycyclic compounds of isoprenoid origin and their various derivatives, including steroids, bile acids, and sterol esters. Sterols, along with glycerophospholipids and sphingolipids, are important constituents of cellular membranes. In addition, sterol lipids act as hormones (steroids) or fat emulsifiers (bile acids)."},"exams":{"1":"Subclasses are represented by cholesterol, ergosterol, taurocholic acid, glucuronides."},"links":[{"term":"glycerophospholipids","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09839"},{"term":"sphingolipids","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09860"}],"sources":["PAC, 2018, 90, 1121. 'Terminology of bioanalytical methods (IUPAC Recommendations 2018)' on page 1182 (https:\/\/doi.org\/10.1515\/pac-2016-1120)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/09861\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/09861\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/09861\/plain"},"citation":"Citation: 'sterol lipids' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.09861","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-08-01T18:17:02+00:00"}}