About this book
This treatise gives a vivid description about the post mortem changes in fish, which is a prerequisite to the understanding of fresh fish handling and processing. Through several illustrations, the text has been extremely simplified for the understanding of the users. The book is perhaps first of its kind to deal with such a vital topic in great depth to delineate the importance of post mortem changes on the quality of fresh fish, and processed products and byproducts prepared from it. The book shall be a valuable piece of information for students, teachers, scientists, extension personnel and all associated with fisheries, particularly with fish processing technology.
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Table of contents
- Acknowledgement
- Foreword
- Preface
- List of Figures
- List of Tables
- List of Text Boxes
- 1. Introduction
- I. What are Post Mortem Changes ?
- II. Summary
- 2. Hyperaemia
- I. What is Hyperaemia ?
- II. Summary
- 3. Rigor Mortis
- I. What is Rigor Mortis ?
- II. Stages of Rigor Mortis
- III. Biochemistry of Rigor Mortis
- IV. Measurement of Rigor Mortis
- V. Factors Influencing Rigor Mortis
- VI. Changes During Rigor Mortis
- VII. Spread of Rigor Mortis in Fish Body
- VIII. Duration of Rigor Mortis
- IX. Influence of Rigor Mortis on Quality of Fish
- X. Manipulation of Rigor Mortis
- XI. Summary
- 4. Autolysis
- I. What is Autolysis ?
- II. Types of Enzymes Involved in Autolysis
- III. Autolytic Hydrolysis
- IV. Effects of Autolysis
- V. Measurement of Autolysis
- VI. Control of Autolysis
- VII. Summary
- 5. Microbial Putrefaction
- I. What is Microbial Putrefaction ?
- II. Importance of Microbes in Fish Processing
- III. Types of Microbes in Fish
- IV. Species of Microbes Associated with Spoilage of Fish
- V. Spread of Microbes in the Body of Dead Fish
- VI. Mechanism of Microbial Putrefaction
- VII. Effects of Microbial Putrefaction
- VIII. Control of Microbial Putrefaction
- IX. Summary
- 6. Lipid Oxidation (Autoxidation)
- I. What is Lipid Oxidation (Autoxidation) ?
- II. Mechanisms of Lipid Oxidation
- III. Factors Influencing Lipid Autoxidation
- IV. Effects of Lipid Autoxidation
- V. Control of Autoxidation
- VI. Summary
- 7. Discolouration
- I. Black Spot Formation in Shrimp (Melanosis)
- II. Brown Discolouration of Red Meat of Fish
- III. Red/Brown Discolouration of White Fish Fillets
- IV. Summary
- Glossary
- Bibliography
- Index
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