样品制备及保存对兔胸腰最长肌脂肪酸组成的影响

IF 0.8 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

World Rabbit Science Pub Date : 2022-09-30 DOI:10.4995/wrs.2022.17160

A. Dalle Zotte, Gianluca Pranzo, Sandro Tenti, Z. Szendrő, A. Szabó

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引用次数: 2

摘要

在类似条件下饲养和喂养的25只Pannon White雄兔在11周龄时被屠宰。在死后24小时取出胸腰最长肌（LTL；右侧和左侧），并分为四个取样/储存处理：LTL肌左侧垂直一分为二，后部在一天内进行分析（新鲜），前部真空包装并在-20°C下储存1个月（全冷冻）；LTL右侧用真空包装的一半产品进行研磨，并在–20°C下冷冻1个月（研磨冷冻），而另一半则冷冻干燥，真空包装，并在4°C下储存1个月。处理影响总饱和（P<0.01）、单不饱和（P<0.05）和多不饱和脂肪酸（P<0.001）的百分比，全冷冻处理对肉的脂肪酸分布影响最大。在进行脂肪酸分析之前，肉类样品的制备和储存方法会对特定脂肪酸的百分比产生影响，这可能会使研究与研究比较的准确性降低。

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Sample preparation and storage effects on fatty acid profile of rabbit Longissimus thoracis et lumborum muscle

Twenty-five Pannon White male rabbits reared and fed in similar conditions were slaughtered at 11 weeks of age. The longissimus thoracis et lumborum muscles (LTL; right and left) were removed at 24 h post-mortem and allocated to four sampling/storage treatments: the left side of LTL muscle was divided in half perpendicularly, with the posterior portion being analysed within one day (fresh), and the anterior portion vacuum packaged and stored for 1 mo at –20°C (whole-frozen); the right LTL side was ground with half of the product vacuum packaged and frozen for 1 mo at –20°C (ground-frozen), whereas the other half was freeze-dried, vacuum packaged, and stored for 1 mo at 4°C (freeze-dried refrigerated). Treatments impacted percentages of total saturated (P<0.01), monounsaturated (P<0.05), and polyunsaturated fatty acids (P<0.001), whole-frozen treatment affecting the most the fatty acids profile of the meat. Method of preparation and storage of meat samples before performing fatty acid analysis had an impact on the percentage of specific fatty acids, which could render the precision of study-to-study comparisons less reliable.

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来源期刊

World Rabbit Science 农林科学-奶制品与动物科学

CiteScore

1.70

自引率

25.00%

发文量

审稿时长

>36 weeks

期刊介绍： World Rabbit Science is the official journal of the World Rabbit Science Association (WRSA). One of the main objectives of the WRSA is to encourage communication and collaboration among individuals and organisations associated with rabbit production and rabbit science in general. Subject areas include breeding, genetics, production, management, environment, health, nutrition, physiology, reproduction, behaviour, welfare, immunology, molecular biology, metabolism, processing and products. World Rabbit Science is the only international peer-reviewed journal included in the ISI Thomson list dedicated to publish original research in the field of rabbit science. Papers or reviews of the literature submitted to World Rabbit Science must not have been published previously in an international refereed scientific journal. Previous presentations at a scientific meeting, field day reports or similar documents can be published in World Rabbit Science, but they will be also subjected to the peer-review process. World Rabbit Science will publish papers of international relevance including original research articles, descriptions of novel techniques, contemporaryreviews and meta-analyses. Short communications will only accepted in special cases where, in the Editor''s judgement, the contents are exceptionally exciting, novel or timely. Proceedings of rabbit scientific meetings and conference reports will be considered for special issues. World Rabbit Science is published in English four times a year in a single volume. Authors may publish in World Rabbit Science regardless of the membership in the World Rabbit Science Association, even if joining the WRSA is encouraged. Views expressed in papers published in World Rabbit Science represent the opinion of the author(s) and do not necessarily reflect the official policy of the WRSA or the Editor-in-Chief.