Enzymes of Psychrotrophs in Raw Food  book cover
1st Edition

Enzymes of Psychrotrophs in Raw Food

ISBN 9780849361036
Published March 31, 1989 by CRC Press
320 Pages

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Book Description

This book draws together theoretical and applied aspects of extracellular hydrolytic enzymes in spoilage, and thus provides information and analysis of interest to microbiologists and biochemists, as well as up-to-date methods and recommendations of value to food scientists and processors. The first section deals with psychrotroph proteinases, lipases, and phospholipases in milk and dairy products, and covers such aspects as producer microorganisms, biochemical classification of enzymes, physical and biochemical properties, thermal stability, regulation and control of synthesis and assay methods. Particular emphasis is placed on commercially important areas such as physical and biochemical effects in food components and influence on shelf life and product quality. The problems of standardization and control of enzymes in dairy products, as well as areas for future research, are critically examined. The poorly understood role of psychrotroph extracellular enzymes in meat, fish, and poultry is also discussed in a separate section under such headings as physical and biochemical effects on tissue and contribution to growth and penetration of the producer organism.

Table of Contents

MILK AND DAIRY PRODUCTS. Producer Microorganisms. Biochemical Classification. Isolation and Molecular Characteristics. Thermal Stability. Regulation and Control of Synthesis. Assay Methods for Lipases and Phospholipases. Assay Methods for Proteinases. Physical and Biochemical Effects on Milk Components. Effect on the Quality of Dairy Products. Standards, Control, and Future Outlook. RED MEATS, FISH, AND POULTRY. Red Meats, Poultry, and Fish. Index.

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