Impact of freezing technologies on the quality of catfish (Ictalurus punctatus) fillets: Insights from protein properties and ice crystal analysis

IF 3.5 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Refrigeration-revue Internationale Du Froid Pub Date : 2025-01-16 DOI:10.1016/j.ijrefrig.2025.01.009

Huiyuan Jin , Yajin Zhang , Miao Shi , Tao Yin , Ru Liu , Youming Liu , Juan You

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引用次数: 0

Abstract

The effects of air freezing (AF), saline immersion freezing (SIF), composite immersion freezing (CIF), and liquid nitrogen spray freezing (LNSF) on the muscle quality, protein properties, and microstructure of catfish fillets were investigated. The results indicated that LNSF improved water retention of frozen catfish fillets, maintained hardness, reduced water migration, and exhibited lower fat oxidation and protein denaturation levels compared to other freezing methods. Ice crystals observations through polarizing light microscopy revealed that dendritic ice crystals between muscle fascicles grew vertically to the direction of the muscle fascicles. In contrast, ice crystals within the muscle fascicles grew parallel to them. The LNSF effectively reduced pore and ice crystal sizes, resulting in a denser muscle fiber structure. These findings suggested that LNSF effectively preserved the moisture and freshness of the samples and was the most energy-efficient method for maintaining the quality of catfish fillets compared to the other treatments.

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来源期刊

International Journal of Refrigeration-revue Internationale Du Froid 工程技术-工程：机械

CiteScore

7.30

自引率

12.80%

发文量

363

审稿时长

3.7 months

期刊介绍： The International Journal of Refrigeration is published for the International Institute of Refrigeration (IIR) by Elsevier. It is essential reading for all those wishing to keep abreast of research and industrial news in refrigeration, air conditioning and associated fields. This is particularly important in these times of rapid introduction of alternative refrigerants and the emergence of new technology. The journal has published special issues on alternative refrigerants and novel topics in the field of boiling, condensation, heat pumps, food refrigeration, carbon dioxide, ammonia, hydrocarbons, magnetic refrigeration at room temperature, sorptive cooling, phase change materials and slurries, ejector technology, compressors, and solar cooling. As well as original research papers the International Journal of Refrigeration also includes review articles, papers presented at IIR conferences, short reports and letters describing preliminary results and experimental details, and letters to the Editor on recent areas of discussion and controversy. Other features include forthcoming events, conference reports and book reviews. Papers are published in either English or French with the IIR news section in both languages.