The relationship between vitamin E supplementation rate and colour stability was investigated using 70 mixed sex 6-8 month old crossbred lambs. An initial group of 10 were slaughtered, while the remainder were fed a pellet ration containing either 30, 150, 275 or 400IU vitamin E/kg ration or on green pasture for 56days. After slaughter, carcases were halved; one side packed fresh (5days) and the other in CO2 (21days), both at 2°C. Five muscles were set for retail display for 96h. The oxy/metmyoglobin ratio was measured every 12h. Colour stability increased with increasing muscle vitamin E until an apparent maximum effect for vitamin E concentration (3.5-4.0mg α-tocopherol/kg tissue) was reached beyond which no further response was evident. This was reached within 3-4weeks (275IU treatment), and meat from these lambs should reach 60h retail display with a satisfactory surface colour. This effect was most apparent in aerobic muscle types and meat aged post slaughter.
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 18 September 2016.
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