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- Title
Effect of theaflavins on the quality of large yellow croaker (Larimichthys crocea) during refrigerated storage.
- Authors
Mao, Jun‐long; Fu, Jing‐jing; Qi, Xue‐er; Chen, Yue‐wen; Zhang, Bin
- Abstract
BACKGROUND: Large yellow croaker (Larimichthys crocea) is an economical marine fish consumed in China. Theaflavins have antibacterial and antioxidant properties. However, there is a lack of research into their application in large yellow croakers during refrigerated storage. This study investigated the effect of theaflavins on the quality of large yellow croaker (Larimichthys crocea) during 12 days of storage at 4 °C. RESULTS: The results showed that theaflavin treatment was able to inhibit microbial growth and reduce the production of total volatile basic nitrogen (TVB‐N). Meanwhile, theaflavins were beneficial in reducing the unfolding of myofibrillar proteins, decreasing the degree of protein aggregation, and improving the stability of protein structure. The degree of protein oxidation was lower in a theaflavin‐treated group compared with an untreated group. Theaflavin treatment effectively inhibited increases in acid value (AV), peroxide value (PV), and malonaldehyde (MDA) content. The effect of theaflavin was positively correlated with an increase in concentration under refrigeration conditions. This study therefore suggests that the use of theaflavins is a viable method for extending the period for which refrigerated large yellow croaker can be preserved. CONCLUSIONS: Adding theaflavins to large yellow croaker can be an effective method for preserving quality during refrigerated storage. © 2023 Society of Chemical Industry.
- Subjects
CHINA; SCIAENIDAE; LARIMICHTHYS; SOCIETY of Chemical Industry (Great Britain); REFRIGERATED storage; MARINE fishes; DENATURATION of proteins; PROTEIN stability
- Publication
Journal of the Science of Food & Agriculture, 2023, Vol 103, Issue 12, p6033
- ISSN
0022-5142
- Publication type
Article
- DOI
10.1002/jsfa.12671