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dc.contributor.authorLuna, Pilar-
dc.contributor.authorBach, A-
dc.contributor.authorJuárez, Manuela-
dc.contributor.authorFuente, Miguel Ángel de la-
dc.date.accessioned2015-11-13T07:53:35Z-
dc.date.available2015-11-13T07:53:35Z-
dc.date.issued2008-
dc.identifierdoi: 10.3168/jds.2007-0447-
dc.identifierissn: 0022-0302-
dc.identifier.citationJournal of Dairy Science 91: 20- 28 (2008)-
dc.identifier.urihttp://hdl.handle.net/10261/124962-
dc.description.abstractThe aim of the present research was to study changes in milk composition and fatty acid profile, specifically conjugated linoleic acid (CLA) and its isomers, in goat milk as affected by dietary supplementation of sunflower oil and whole linseed (0.81 and 1.84% of dry matter on basal diet, respectively) and to assess the persistency of the response. To achieve this objective, bulk milk from a herd and from 6 individual dairy goats fed a diet supplemented with sunflower oil and whole linseed was monitored for a period of 3 mo. Gas chromatography and silver ion HPLC were used to analyze total CLA content and the isomeric profile of these fatty acids, respectively. The contents of α-linolenic acid increased from 0.35% with the reference diet to 0.62% with the supplemented diet. Similarly, CLA milk content increased from 0.46 to 1.18%. The same pattern was also observed for trans-11 C18:1 (1.38 to 4.05%, respectively) in goat milk after 3 mo of lipid supplementation. In contrast, changes in other trans C 18:1 isomers were less remarkable. There was a strong linear correlation between cis-9, trans-11 C18:2, the main CLA isomer, and trans-11 C18:1 under the conditions assayed and their concentration remained stable throughout the duration of the study. Levels of the minor CLA isomers were also enhanced as a consequence of lipid supplementation. The most remarkable increases were observed for 11-13 (trans-trans and trans-cis geometric isomers), whereas trans-7, cis-9 (the second most important CLA isomer from a quantitative point of view) and trans-10, cis-12 increased only slightly with lipid supplementation. © American Dairy Science Association, 2008.-
dc.description.sponsorshipThe authors are grateful to the Ministerio de Educación y Ciencia (project AGL2005-04727 CO2-01), the Comunidad Autónoma de Madrid (Madrid, Spain; project S-0505/AGR/000153) and Lodyn (Cindad Real, Spain) for partially financing this project. -
dc.publisherAmerican Dairy Science Association-
dc.rightsclosedAccess-
dc.titleEffect of a diet enriched in whole linseed and sunflower oil on goat milk fatty acid composition and conjugated linoleic acid isomer profile-
dc.typeartículo-
dc.identifier.doi10.3168/jds.2007-0447-
dc.date.updated2015-11-13T07:53:36Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.contributor.funderMinisterio de Educación y Ciencia (España)-
dc.contributor.funderComunidad de Madrid-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/100012818es_ES
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