Carcass traits, meat quality, antioxidant status and antioxidant gene expression in muscle and liver of Hu lambs fed perilla seed

Abstract

The effects of perilla (Perilla frutescens L.) seed on carcass traits, meat quality, antioxidant status and antioxidant gene expression in the liver and muscle of Hu lambs were investigated in this study. Sixty Hu lambs (23.02 ± 1.36 kg) were randomly divided into four experimental groups receiving diets containing 0%, 5%, 10% or 15% perilla seed (CD, 5%PFSD, 10%PFSD and 15%PFSD, respectively). The addition of perilla seed had no significant impacts on carcass traits (p > .05). There were no differences in pH, meat colour, drip loss, cooking loss or shear force among the four treatments (p > .05). Addition of perilla seed increased (p < .05) deposition of intramuscular lipids but had no effect on other chemical components in the longissimus dorsi (LD) (p > .05). The 15%PFSD diet decreased the total antioxidant capacity (T-AOC) and malondialdehyde (MDA) content in the liver (p < .05 for both) but increased the activity of these antioxidant enzymes in LD (p < .05 for both). Compared to CD, addition of perilla seed increased superoxide dismutase (SOD) and glutathione peroxidase (GPX) expression in the liver and LD (p < .05 for all). These results indicate that perilla seed supplementation in lambs' diets can increase deposition of intramuscular lipids and improve muscular oxidative status and meat quality.

Changes in Lipase and Antioxidant Enzyme Activities during Processing of Cantonese Sausage with D-Sodium Erythorbate

“…ere were different effects of different antioxidants on SOD. Deng et al [26] added perilla seed (an antioxidant) to longissimus dorsi of lamb and found decreased SOD activity, which was different from the results of our study.…”

Weaning Ages Do Not Affect the Overall Growth or Carcass Traits of Hu Sheep

“…Carcass weight and traits are the ultimate indicators of meat-producing animal values. In a recent study, it was shown that carcass traits of Hu lambs were mainly affected by dietary nutrition level [28], rather than weaning ages. As indicated by the similar carcass weight and traits between the two weaning age groups, consistent with the similar live BW, Hu lambs can be weaned at age of 30 without a negative impact on carcass yield or traits.…”

Characterization of RUNX1T1, an Adipogenesis Regulator in Ovine Preadipocyte Differentiation

“…Real-time PCR was performed according to the protocol described in our previous study [ 35 ] for gene expression quantification. Gen Bank accession numbers and sequences of the corresponding Real-time PCR primer are listed in Table S1 .…”