Finishing steers with diets based on corn, high-tannin sorghum or a mix of both: Color and lipid oxidation in beef

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dc.contributor.authorLarrain, R. E.
dc.contributor.authorSchaefer, D. M.
dc.contributor.authorRichards, M. P.
dc.contributor.authorReed, J. D.
dc.date.accessioned2024-01-10T13:48:25Z
dc.date.available2024-01-10T13:48:25Z
dc.date.issued2008
dc.description.abstractWe tested the hypothesis that feeding high-tannin sorghum (HTS) to steers would produce beef more resistant to oxidative deterioration. We observed lower thiobarbituric acid-reactive substances (TBARS) in Gluteus medius of steers fed HTS before it was displayed (P = 0.028), which could be explained by a reduced response to stress in these animals. While steers finished with corn and corn + HTS had elevated plasma cortisol at the end of the feeding period (P = 0.047 and 0.093, respectively), animals fed HTS and corn + vitamin E did not. However, feeding HTS increased the rate of discoloration and TBARS accumulation after aerobic display of Longissimus lumborum? and Gluteus medius. Diet did not affect the activity of oxidation-related enzymes and fatty acid composition of muscle. The accelerated rate of lipid oxidation during display of beef could be partially explained by a numerically lower concentration of tocopherols in the tissue. (C) 2007 Elsevier Ltd. All rights reserved.
dc.fechaingreso.objetodigital03-04-2024
dc.format.extent10 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.meatsci.2007.10.032
dc.identifier.eissn1873-4138
dc.identifier.issn0309-1740
dc.identifier.pubmedidMEDLINE:22063027
dc.identifier.urihttps://doi.org/10.1016/j.meatsci.2007.10.032
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/79363
dc.identifier.wosidWOS:000257638800006
dc.information.autorucAgronomía e Ing. Forestal;Larraín R;S/I;95090
dc.issue.numero4
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final665
dc.pagina.inicio656
dc.publisherELSEVIER SCI LTD
dc.revistaMEAT SCIENCE
dc.rightsacceso restringido
dc.subjectbeef color
dc.subjectcortisol
dc.subjectoxidation
dc.subjectsorghum
dc.subjectcorn
dc.subjectantioxidant
dc.subjectVITAMIN-E
dc.subjectSUPEROXIDE-DISMUTASE
dc.subjectANTIOXIDANT STATUS
dc.subjectSTABILITY
dc.subjectSTRESS
dc.subjectMUSCLE
dc.subjectPEROXIDATION
dc.subjectCATALASE
dc.subjectASSAY
dc.subjectMEAT
dc.titleFinishing steers with diets based on corn, high-tannin sorghum or a mix of both: Color and lipid oxidation in beef
dc.typeartículo
dc.volumen79
sipa.codpersvinculados95090
sipa.indexWOS
sipa.trazabilidadCarga SIPA;09-01-2024
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