Chilling And Freezing Of New Fish Products

Fish and seafood are highly perishable, and must be preserved immediately after being caught or harvested. It is very important both to preserving its quality and to ensure that it does not pose any risks to human health upon consumption. Chilling, refrigeration and freezing are the major preservation methods used with seafood and fish products, all three processes aiming to preserve the freshness and flavour of the fish. Consumer demand for fish remains high despite escalating prices in the last ten years which have seen the retail cost of the most popular breeds (cod, haddock, salmon) more than double for unfrozen fish. Many consumers appear to be willing to pay a premium for freshness and quality, both of which are closely linked in shoppers’ minds with the efficient chilling and refrigeration of the fish along the supply chain. At the same time, frozen fish and seafood has also grown more popular with shoppers, as a cheaper, more convenient alternative to refrigerated fresh fish and seafood. Seafood Chilling, Refrigeration and Freezing presents the science behind the chilling, refrigerating and freezing of fish and seafood, describing the chemical, microbiological and physical changes which take place during preservation, and considering the new technologies which can be used, highlighting their benefits and their economic implications. The book takes account of the different requirements for different breeds of fish and seafood, and includes both traditional and novel technologies, providing both current and future perspectives. It will be required reading for food scientists, fish processors and retailers as well as fish specialists, researchers and process designers.

Part of the new IFST Advances in Food Science Series, Seafood Processing: Technology, Quality and Safety covers the whole range of current processes which are applied to seafood, as well as quality and safety aspects. The first part of the book (‘Processing Technologies’) covers primary processing, heating, chilling, freezing, irradiation, traditional preservation methods (salting, drying, smoking, fermentation, etc), frozen surimi and packaging. The subjects of waste management and sustainability issues of fish processing are also covered. In the second part (‘Quality and Safety Issues’), quality and safety analysis, fish and seafood authenticity and risk assessment are included.

Updates knowledge on the traditional methods of processing fish for food--freezing, canning, smoking, drying, and salting--and describes new technologies--such as processes based on fish mince and surimi, the membrane recovery and use of waste- water proteins, and the use of lactic acid bacteria in preservation. For managers and engineers in the industry. Annotation copyright by Book News, Inc., Portland, OR

As with the first edition this book includes chapters on established fish processes and new processes and allied issues. The first five chapters cover fish biochemistry affecting processing, curing, surimi and fish mince, chilling and freezing and canning. These established processes can still show innovations and improved theory although their mature status precludes major leaps in knowledge and technology. The four chapters concerned with new areas relevant to fish processing are directed at the increasing globalisation of the fish processing industry and the demands, from legislation and the consumer, for better quality, safer products. One chapter reviews the methods available to identify fish species in raw and processed products. The increased demand for fish products and the reduced catch of commercially-important species has lead to adulteration or substitu tion of these species with cheaper species. The ability to detect these practices has been based on some elegant analytical techniques in electrophoresis.

The recent series of texts 'Developments in Food Proteins' comprised in all seven volumes which were published in the course of the decade 1982-1991. Each volume contained inter alia one or more chapters that were concerned with new or developing sources of food proteins. Most of these have now been collected together in an up dated and re-evaluated form for the present volume. 'New' sources of food proteins includes those sources that are unconventional, that are still of very limited significance in market terms, or that are at present of very localized use. Several of these were included in 'Developments in Food Proteins'. One of them, algae, appeared both in Volume 1 and in an up-dated form in Volume 7. It is therefore not included here. Others, such as yeasts and bacteria, have not yet increased in practical importance as potential food components beyond the long-term promise already evident at that time. However, leaf protein, as described in the present Chapter 10, has moved from the original rather crude concept to a much more sophisticated product in the form of Rubisco. Fungal protein, as Quorn (Chapter 11), has also proved to be potentially of real food value. 'Developing' sources of food protein are those sources that have always been basic items in human diets.

The key requirements for chilled food products are good quality and microbiological safety at the point of consumption. The first edition of Chilled foods quickly established itself as the standard work on these issues. This major new edition strengthens that reputation, with extensively revised and expanded coverage (including more than ten new chapters) and significant participation from those in the chilled food industry to increase the publication’s relevance to practitioners. The introduction discusses key trends and influences in the chilled foods market. Part one explores the critical importance of raw material selection and packaging materials in final product quality, with expanded coverage of particular ingredients such as fish, cheese and poultry and a new contribution on chilled food packaging materials and technologies. Part two focuses on technologies and processes in the supply chain, with entirely new chapters on refrigeration, storage and transport and non-microbial hazards such as allergens, among others. Alongside are updated chapters on the important topics of hygienic design, cleaning and disinfection and temperature monitoring and measurement. Part three covers microbiological hazards, with new chapters on predictive microbiology and conventional and rapid analytical microbiology. The final part contains three new chapters devoted to essential issues in safety and quality management, such as shelf-life, quality and consumer acceptability. A wholly updated chapter on legislation and criteria completes the volume. Extensively revised and expanded, the third edition of Chilled foods is an essential reference for professionals involved in the manufacture of chilled food products. Reviews key trends and influences in the chilled food market Explores the importance of raw material selection and packaging materials in final product quality Discusses technologies and processes in the supply chain, focusing on refrigeration, storage and transport