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南非长臀隆背羚(Aepyceros melampus)、山苇羚(Redunca fulvorufula)和跳羚(Antidorcas marsupialis)的背最长肌品质的探索性研究。

An exploratory study on the quality of the Longissimus thoracis et lumborum muscle of impala (Aepyceros melampus), mountain reedbuck (Redunca fulvorufula) and springbok (Antidorcas marsupialis) in South Africa.

机构信息

Department of Animal Sciences, Faculty of Natural and Agricultural Sciences, North West University, South Africa; Food Security and Safety Niche Area, School of Agriculture Sciences, Faculty of Natural and Agricultural Sciences, North West University, South Africa.

Department of Animal Sciences, Faculty of Natural and Agricultural Sciences, North West University, South Africa; Food Security and Safety Niche Area, School of Agriculture Sciences, Faculty of Natural and Agricultural Sciences, North West University, South Africa.

出版信息

Meat Sci. 2024 Dec;218:109630. doi: 10.1016/j.meatsci.2024.109630. Epub 2024 Aug 15.

Abstract

Physicochemical quality, fatty acids, volatile compounds and shelf-life profiles of the longissimus thoracis et lumborum muscle of three game species: impala, mountain reedbuck and springbok harvested from a private game estate were measured. Average live weight at slaughter that ranged from 28 to 36 kg was included in the study. The carcass weights were recorded 24 h after slaughter. The longissimus thoracis et lumborum (LTL) muscle was sampled for meat analyses. Impala and springbok LTL had higher (P ≤ 0.05) pH and cooking loss values than the mountain reedbuck. In addition, the springbok had more tender (P ≤ 0.05) meat than the impala and mountain reedbuck. The mountain reedbuck and springbok had higher (P ≤ 0.05) proportions of oleic acid, total monounsaturated fatty acids (FA), linoleic acid, omega (n)-6 polyunsaturated FA, and alpha-linolenic acid compared to impala. During retail display, redness and chroma decreased over time, while yellowness and hue showed an upward trend for all species (P ≤ 0.05). It was observed that species affected meat quality, total proportions of fatty acids and volatile compounds.

摘要

对来自私人狩猎场的三种猎物(大羚羊、马羚和跳羚)的背最长肌的理化特性、脂肪酸、挥发性化合物和货架期进行了研究。该研究纳入了宰前平均活重为 28-36kg 的动物。宰后 24 小时记录胴体重。对背最长肌进行了肉质分析。大羚羊和跳羚的背最长肌 pH 值和蒸煮损失值均高于马羚(P≤0.05)。此外,与大羚羊和马羚相比,跳羚的肉质更嫩(P≤0.05)。与大羚羊相比,马羚和跳羚的油酸、总单不饱和脂肪酸(MUFA)、亚油酸、ω(n)-6 多不饱和脂肪酸和α-亚麻酸比例更高(P≤0.05)。在零售展示过程中,所有物种的红色值和色差值随时间的推移而降低,而黄度和色调呈上升趋势(P≤0.05)。研究发现,物种影响了肉质、脂肪酸和挥发性化合物的总比例。

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