大豆分离蛋白/黄原胶/琼脂-芸苔素花青素智能指示膜的制备及其在羊肉保鲜中的应用

IF 7.7 1区 化学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Bing Liu, Jie Gao, Xiaochun Liu, Xinmiao Zhang, Xinyu Zeng, Xinguo Zhang, Ping Zhao
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引用次数: 0

摘要

制备含有花青素的智能指示膜并将其用于肉类新鲜度的实时监测是食品包装领域的一个突出研究课题。本研究采用溶剂萃取法从枸杞(Lycium ruthenicum,LR)中提取了花青素(ALR)。随后,将这些花青素加入到由大豆分离蛋白(SPI)、黄原胶(XG)和琼脂组成的薄膜中,得到了 SPI/XG/Agar-ALR pH 值响应智能指示膜。通过对其物理性质、结构特征和在羊肉保鲜中的应用进行评估,确定了 ALR 最佳添加比例的智能指示膜。结果表明,SPI/XG/Agar-5 % 的薄膜在厚度、机械性能、水蒸气透过率、氧气透过率和光透过率方面都表现出优异的性能。扫描电子显微镜观察显示,SPI/XG/Agar-5 % 薄膜表面光滑平整,而傅里叶变换红外光谱分析则证实了其出色的相容性。SPI/XG/Agar-5 %薄膜的 DPPH 自由基清除率达到 80.75 ± 0.63 %。将 SPI/XG/Agar-5 % 薄膜用于羊肉保鲜时,可显著延长保质期并有效监测肉的新鲜度。这项研究不仅拓宽了枸杞花青素的应用范围,还为智能包装材料的开发奠定了基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Preparation of soybean isolate protein/xanthan gum/agar-Lycium ruthenicum anthocyanins intelligent indicator films and its application in mutton preservation.

The preparation of intelligent indicator films containing anthocyanins and their utilization for real-time monitoring of meat freshness represents a prominent research topic of food packaging. In this study, anthocyanins (ALR) were extracted from Lycium ruthenicum (LR) using solvent extraction. Subsequently, these anthocyanins were incorporated into films composed of soybean isolate protein (SPI), xanthan gum (XG) and agar, resulting in SPI/XG/Agar-ALR pH-responsive intelligent indicator films. The physical properties, structural characterization and application in mutton preservation were evaluated to identify the intelligent indicator films with the optimal addition ratio of ALR. The results indicated that the SPI/XG/Agar-5 % films exhibited exceptional performance in terms of thickness, mechanical properties, water vapor transmission rate, oxygen transmission rate and light transmission rate. Scanning electron microscope observations revealed that the SPI/XG/Agar-5 % films possessed a smooth and flat surface, while fourier transform infrared spectroscopy analysis confirmed their excellent compatibility. The DPPH radical scavenging rate of the SPI/XG/Agar-5 % film reached 80.75 ± 0.63 %. When applied to the preservation of mutton, the SPI/XG/Agar-5 % film significantly extended the shelf life and effectively monitored the freshness of the meat. This study not only broadens the application scope of Lycium ruthenicum anthocyanins but also provides a foundation for the development of smart packaging materials.

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来源期刊
International Journal of Biological Macromolecules
International Journal of Biological Macromolecules 生物-生化与分子生物学
CiteScore
13.70
自引率
9.80%
发文量
2728
审稿时长
64 days
期刊介绍: The International Journal of Biological Macromolecules is a well-established international journal dedicated to research on the chemical and biological aspects of natural macromolecules. Focusing on proteins, macromolecular carbohydrates, glycoproteins, proteoglycans, lignins, biological poly-acids, and nucleic acids, the journal presents the latest findings in molecular structure, properties, biological activities, interactions, modifications, and functional properties. Papers must offer new and novel insights, encompassing related model systems, structural conformational studies, theoretical developments, and analytical techniques. Each paper is required to primarily focus on at least one named biological macromolecule, reflected in the title, abstract, and text.
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