Canned Foods; Thermal Processing and Microbiology, 7th Edition
Cód:
491_9780820601427
Contents - 1. Bacteria - Form; Structure; Chemical composition; Physiology; Classification - 2. True fungi - Moulds; Yeasts; Morphology; Principal groups; Biological characteristics - 3. Control of spoilage micro-organisms - Refrigeration; Gas storage; Moisture limitation; Salt; Acid preservatives; Curing; Smoking; Spices; Antibiotics; Fermentation; Air filtration - 4. Containers - Three piece cans; Tinplate; Tin-free steel; Construction of cans; Non-soldered cans; Two piece cans; Easy-open ends; Semi-rigid and flexible packs; Glass containers and closures - 5. Outline of canning operations - Preparation of food; Washing; Peeling; Blanching; Filling; Exhausting; Sealing of containers; Processing; Types of retort; Non-rigid containers; Glass containers; Cooling; Coding - 6. Sources and control of contamination - Raw materials; Plant; Cleaning and disinfection; Containers; Cooling water - 7. Principal spoilage organisms in canned foods - Acidity classification of foods; Low and medium acid products; Acid products - 8. Effects of heat on micro-organisms - Cause of death; Mechanism of heat resistance; Order of destruction; Factors affecting heat resistance; Effect of environment during sporulation; Effect ofenvironment during heating; Effect of recovery medium; Effect of sub-lethal heat treatment; Estimation of heat resistance; Treatment of thermal resistance data - 9. Principles of thermal processing - Thermal death-time data; Standards of processing; Heat penetration; Mechanism of heat transfer; Positioning of thermocouple; Factors affecting heat penetration; Process evaluation; Classical calculation methods; Integrated lethality methods; Microbiological methods - 10. Continuous flow sterilisation and aseptic processing - Nutritional and quality aspects; HTST and UHT processing; Process evaluation; Cooling; Container sterilisation; Filling; Enzyme inactivation and regeneration - 11. The use of radiations in food preservation -
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