Document Detail


Red blood cell trans-18:1 isomeric profile correlates with subcutaneous fat and muscle profiles in beef cattle.
MedLine Citation:
PMID:  22326065     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Due to significant variation in polyunsaturated fatty acid biohydrogenation products in beef it would be useful to determine if levels of trans-18:1 isomers in samples collected ante-mortem are correlated with those collected post-mortem. Beef blood (RBC), subcutaneous fat (SC) and muscle (intramuscular fat; IM) samples were collected from an experiment with dietary vitamin E with/without flaxseed (n=80) and fatty acids analyzed. Across treatments, correlation analysis of total and individual trans-18:1 isomers were performed between tissues. Correlations between SC and IM were highly significant for all individual and total trans-18:1. RBC trans-18:1 were also well correlated with other tissues except for vaccenic acid. Levels of 10t-, 12t- and 13t/14t- were amongst the best correlated between RBC and SC and IM profiles. Levels of 6t/7t/8t-, 9t-, and 15t-18:1 showed significant but lower correlation factors particularly between RBC and SC. These results confirm the possibility of utilizing blood as a non-destructive sample to predict the total and isomeric profile of trans-18:1 in beef.
Authors:
Noelia Aldai; Michael E R Dugan; David C Rolland; Jennifer L Aalhus
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-25
Journal Detail:
Title:  Meat science     Volume:  -     ISSN:  1873-4138     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-2-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101160862     Medline TA:  Meat Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Ltd.
Affiliation:
Instituto de Ganadería de Montaña, CSIC-ULE, Finca Marzanas, 24346 Grulleros, León, Spain.
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