Effect of ultrasound combined with plasma protein treatment on the structure, physicochemical and rheological properties of myofibrillar protein

IF 8.7 1区化学 Q1 ACOUSTICS

Ultrasonics Sonochemistry Pub Date : 2024-11-09 DOI:10.1016/j.ultsonch.2024.107151

Ye Zou , Lingjuan Wang , Xiaowen Wang , Yibo Lan , Jingjing Ma , Jing Yang , Weimin Xu , Qi Shen , Daoying Wang

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Abstract

This study aimed to investigate the effect of ultrasound combined with plasma protein (UPP) treatment on the structure, physicochemical and rheological properties of myofibrillar protein (MP). The results indicated that the UPP group caused changes in the secondary structure, increased fluorescence intensity and enhanced surface hydrophobicity of MP. Then, UPP significantly decreased the content of free and total sulfhydryl group, and high molecular weight protein contents were observed in MP. These findings implied moderate cross-linking and aggregation between plasma protein and MP in this ultrasound treatment. Furthermore, the physical characteristics, stability and rheological properties of MP were improved in UPP, as evidenced by increased storage modulus and decreased loss angle tangent. Therefore, this study suggested that the combined treatment not only had the potential to enhance the product quality in the process of ground meat, but also improved the utilization rate and added value of plasma proteins.

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超声联合血浆蛋白治疗对肌原纤维蛋白结构、理化及流变学特性的影响

本研究旨在探讨超声联合血浆蛋白（UPP）处理对心肌纤维蛋白（myofibrar protein， MP）结构、理化及流变学特性的影响。结果表明，UPP基团使MP的二级结构发生改变，荧光强度增强，表面疏水性增强。然后，UPP显著降低了MP中游离和总巯基的含量，并观察到高分子量蛋白质的含量。这些发现表明在超声治疗中血浆蛋白和MP之间存在适度的交联和聚集。此外，在UPP中，MP的物理特性、稳定性和流变性能得到改善，表现为存储模量的增加和损耗角切线的减小。因此，本研究表明，联合处理不仅有可能提高肉糜加工过程中的产品质量，而且可以提高血浆蛋白的利用率和附加值。

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来源期刊

Ultrasonics Sonochemistry 化学-化学综合

CiteScore

15.80

自引率

11.90%

发文量

361

审稿时长

59 days

期刊介绍： Ultrasonics Sonochemistry stands as a premier international journal dedicated to the publication of high-quality research articles primarily focusing on chemical reactions and reactors induced by ultrasonic waves, known as sonochemistry. Beyond chemical reactions, the journal also welcomes contributions related to cavitation-induced events and processing, including sonoluminescence, and the transformation of materials on chemical, physical, and biological levels. Since its inception in 1994, Ultrasonics Sonochemistry has consistently maintained a top ranking in the "Acoustics" category, reflecting its esteemed reputation in the field. The journal publishes exceptional papers covering various areas of ultrasonics and sonochemistry. Its contributions are highly regarded by both academia and industry stakeholders, demonstrating its relevance and impact in advancing research and innovation.