Antioxidant status, lipid and color stability of aged beef from grazing steers supplemented with corn grain and increasing levels of flaxseed

Angus steers were grazed on unsupplemented pasture (CNTRL), pasture supplemented with 0.7% BW cracked corn (FLAX-0), FLAX-0 with 0.125% and 0.250% BW of whole flaxseed (FLAX-1 and FLAX-2). Six steers were grazed per treatment for 70days, with start and finish weights of 458 and 508kg. At 24h post sl...

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Bibliographic Details
Published in:Meat science 2016-01, Vol.111, p.1-8
Main Authors: Pouzo, L.B., Descalzo, A.M., Zaritzky, N.E., Rossetti, L., Pavan, E.
Format: Article
Language:English
Subjects:
Aging
Animals
Animals, Inbred Strains
Antioxidant
Antioxidants - analysis
Antioxidants - metabolism
Argentina
Argentine beef
Cattle
Diet - adverse effects
Diet - veterinary
Dietary Fats - analysis
Flax - adverse effects
Flax - chemistry
Food Packaging
Food Quality
Food Storage
Herbivory
Humans
Lipid Peroxidation
Male
Meat - analysis
Muscle, Skeletal - growth & development
Muscle, Skeletal - metabolism
Oil seeds
Oxidation-Reduction
Oxidative stability
Pasture
Pigments, Biological - analysis
Pigments, Biological - biosynthesis
Retail display
Seeds - adverse effects
Seeds - chemistry
Weight Gain
Zea mays - chemistry
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Summary:Angus steers were grazed on unsupplemented pasture (CNTRL), pasture supplemented with 0.7% BW cracked corn (FLAX-0), FLAX-0 with 0.125% and 0.250% BW of whole flaxseed (FLAX-1 and FLAX-2). Six steers were grazed per treatment for 70days, with start and finish weights of 458 and 508kg. At 24h post slaughter, longissimus thoracis were harvested, and steaks assigned to treatments of postmortem aging time under vacuum (PM; 3, 14 and 56days) with or without five days of aerobic exposure (AE). Meat antioxidant status was higher (P
ISSN:0309-1740
1873-4138
DOI:10.1016/j.meatsci.2015.07.026