{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T00:42:37Z","timestamp":1760920957949,"version":"build-2065373602"},"reference-count":30,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[1974,7,1]],"date-time":"1974-07-01T00:00:00Z","timestamp":141868800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Lipids"],"published-print":{"date-parts":[[1974,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Pilot whale head oil (blackfish head oil, raw) was analyzed by means of IR spectroscopy, NMR, thin layer chromatography, and gas liquid chromatography\u2010mass spectrometry. The oil consisted of hydrocarbons (mainly pristane) (3%); waxes and cholesterol esters (9%); triglycerides (87%) (i.e. non\u201011%, mono\u201019% and di\u201057% isovalero triglycerides) and cholesterol and diglycerides (1%). By mass spectrometry, the diisovalero triglycerides were shown to be mainly symmetrical. Fatty acids were isobranched or normal (only traces of anteiso acids were found), saturated, or monounsaturated. Isovaleric acid predominated (54 mole % fatty acids), the rest having 10\u201318 carbon atoms. A 5\u2010carbon fatty acid was the only acid found in the waxes. The alcohol composition qualitatively resembled that of the fatty acids, but major quantitative differences were present. This rules out direct interconversion of all fatty acids and alcohols. The possible role of these lipids in ultrasound transmission is discussed.<\/jats:p>","DOI":"10.1007\/bf02534272","type":"journal-article","created":{"date-parts":[[2006,12,5]],"date-time":"2006-12-05T01:18:11Z","timestamp":1165281491000},"page":"461-470","source":"Crossref","is-referenced-by-count":19,"title":["Unusual lipids II: Head oil of the north Atlantic pilot whale,<i>Globicephala melaena melaena<\/i>"],"prefix":"10.1002","volume":"9","author":[{"given":"Jonas","family":"Blomberg","sequence":"first","affiliation":[{"name":"Institution of Medical Biochemistry University of G\u00f6teborg G\u00f6teborg Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[1974,7]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"90","volume-title":"U.S. National Museum Bulletin","author":"Hershkovitz P.","year":"1966"},{"key":"e_1_2_1_3_1","first-page":"49","volume":"1","author":"Fraser F.C.","year":"1950","journal-title":"Atlantide Repts."},{"key":"e_1_2_1_4_1","first-page":"1125","volume-title":"Mammals of the World","author":"Walker E.P.","year":"1968"},{"key":"e_1_2_1_5_1","first-page":"237","volume-title":"The Mammals: A Guide to the Living Species","author":"Morris D.","year":"1965"},{"key":"e_1_2_1_6_1","first-page":"104","volume-title":"Recherches Chimiques sur les Corps Gras d'Origine Animale","author":"Chevreul M.E.","year":"1823"},{"key":"e_1_2_1_7_1","first-page":"264","volume":"7","author":"Chevreul M.E.","year":"1817","journal-title":"Ann. 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