Effect of dietary supplementation with red wine extract or vitamin E, in combination with linseed and fish oil, on lamb meat quality

摘要

Thirty lambs were assigned to the following treatments: control diet (C) rich in omega-3 fatty acids; C plus 900 ppm red wine extract (RWE), or C plus 300 ppm vitamin E (VE). Oxidative stability and sensory properties of chops stored in MAP (70% O_2/30% CO_2) during 12 days were evaluated. Chops from the VE group showed lower lipid oxidation (p ＜ 0.001) and protein carbonylation (p ＜ 0.05), stable omega-3 fatty acids proportions and overall liking sensory scores (p ＜ 0.05). Dietary RWE supplementation did not influence oxidative stability of chops, however levels of C20:5n-3 were greater (p ＜ 0.05) and n-6-3 ratio (p ＜ 0.01) was lower, relative to controls.