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- Title
Quality Changes and Establishment of Predictive Models for Bighead Carp ( Aristichthys nobilis) Fillets During Frozen Storage.
- Authors
Wu, Hua; Wang, Zhiying; Luo, Yongkang; Hong, Hui; Shen, Huixing
- Abstract
The objectives of this study were to investigate quality changes of bighead carp fillets during frozen storage by measuring free fatty acids (FFA), salt extractable protein (SEP) content, Ca-ATPase activity, and total sulfhydryl (SH) content and to develop predictive models based on them. FFA increased with the extension of storage time. Meanwhile, SEP content, SH content, and Ca-ATPase activity all decreased during storage. A marked inhibition ( p < 0.05) of FFA formation and SEP content, Ca-ATPase activity and SH content decrease was observed during storage of bighead carp fillets at −30 °C, compared to those stored at −10 and −20 °C. Additionally, the relative errors of models based on Ca-ATPase and SH were all below 10 %. Thus, the lower frozen temperature can inhibit quality damage effectively, and a reliable estimation of quality changes could be performed by models based on Ca-ATPase and SH.
- Subjects
FISH fillets; EDIBLE fish storage; EDIBLE fish quality; BIGHEAD carp; FREE fatty acids; ADENOSINE triphosphatase; PREDICTION models
- Publication
Food & Bioprocess Technology, 2014, Vol 7, Issue 12, p3381
- ISSN
1935-5130
- Publication type
Article
- DOI
10.1007/s11947-014-1340-8