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Title

Effects of linseed and quercetin added to the diet of fattening lambs on the fatty acid profile and lipid antioxidant status of meat samples

AuthorsAndrés, Sonia ; Morán, Lara ; Aldai, Noelia ; Tejido, María L. ; Prieto, Nuria ; Bodas, Raúl ; Giráldez, Francisco Javier
KeywordsFatty acids
Antioxidants
Linseed
Quercetin
TSARS
Meat
Issue DateJun-2014
PublisherElsevier
CitationMeat Science 97(2) : 156-163 (2014)
AbstractThirty-two Merino lambs fed barley straw and a concentrate formulated either with palm oil (CTRL group) or with linseed (+ LS group), both alone or supplemented with quercetin (+QCT group or + LS + QCT group) were used to assess the effects of these dietary supplements on meat quality attributes. After being slaughtered, the longissimus thoracis muscles were used to study the fatty acid (FA) profile in detail, whilst longissimus lumborum slices were stored under refrigerated conditions to determine the lipid stability. Linseed increased the content of highly unsaturated n-3 long-chain fatty acid (20:5n-3; 22:5n-3; 22:6n-3). Interestingly, a significant increment of rumenic acid content (9c,11t-18:2) was observed when this seed was administered together with dietary quercetin. Moreover, the feeding of quercetin resulted in a reduction in the proportion of saturated FA and a decrease in lipid peroxidation of meat when the lambs were fed linseed. In conclusion, from both a nutritional and a commercial (shelf-life) point of view, it may be useful to include a source of quercetin when lambs are fed linseed diets.
Description8 páginas, 5 tablas, 1 figura.
Publisher version (URL)http://dx.doi.org/10.1016/j.meatsci.2014.02.001
URIhttp://hdl.handle.net/10261/97998
DOI10.1016/j.meatsci.2014.02.001
ISSN0309-1740
Appears in Collections:(IGM) Artículos
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