Abstract
Loins from fifty-six lambs were allocated to 2 ageing times (6 and 12 days post mortem) and a Frozen treatment (6 days of ageing followed by freeze/thaw process). Instrumental colour parameters, chroma, hue angle, 630/580 and myoglobin isoforms were assessed repeatedly every 5 min during the first 40 min and every 10 min from 40 to 120 min after surface cutting. Colour stability was measured instrumentally during 4 consecutive days of simulated retail display. L* values were lower for Frozen treatment compared to meat aged for 6 and 12 days. Redness increased at a lower rate for Frozen treatment compared to samples aged for 6 days up to the breakpoint and took a longer time to stabilize. Meat subjected to the ageing-freezing/thaw process required a longer time to reach a fully bloomed status than meat aged up to 12 days post mortem. The ageing-freezing/thaw process improved the redness of lamb meat displayed for 4 days in cold storage.
| Original language | English |
|---|---|
| Pages (from-to) | 19-25 |
| Number of pages | 7 |
| Journal | Meat Science |
| Volume | 153 |
| Early online date | 23 Feb 2019 |
| DOIs | |
| Publication status | Published - 01 Jul 2019 |
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Alvarenga, T. I. R. C., Hopkins, D. L., Ramos, E. M., Almeida, A. K., & Geesink, G. (2019). Ageing-freezing/thaw process affects blooming time and myoglobin forms of lamb meat during retail display. Meat Science, 153, 19-25. https://doi.org/10.1016/j.meatsci.2019.02.016