Description
Chemical Publishing Canned Foods by A. C. Hersom, E. D. Hulland
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._x000D_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 of environment 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 - Ionising radiations; Factors affecting the radiation resistance of micro-organisms; Sterilisation doses for foods; Complementary effects of radiation and heat; Low dose procedures; Effects of ionising radiations on food; Ultraviolet irradiation - 12._x000D_Types of spoilage - Under-processing; Inadequate cooling; Leakage through seams; Pre-process spoilage; Hydrogen swells; Incorrect retort operation; Under-exhausting; Over-filling; Panelling; Rust; Damage - 13. Microbiology of sound canned foods - 'Commercial sterility'; Results of examinations; Theory of fat protection; Air-borne contamination; Canned cured meats; Proposed standards - 14. Bacterial food poisoning - Clostridium botulinum; Clostridium perfringens; Salmonella; Staphylococci-Bacillus cereus; Vibrio parahaemolyticus; Relation of food-poisoning to canned foods; Food idiosyncrasy - 15. Laboratory examination of canned foods - Culture media for routine work; Additional media for routine and special purposes; Outline of examination procedure; Preliminary external examination; Preliminary incubation of samples; Sampling can contents; Technique for sampling swelled cans; Preparation of cultures; Examination of contents; Examination of glass packs; Incubation tests; Aseptic packaging; Examination of canned cured meats - 16. Examination of raw materials, plant and miscellaneous methods - Thermophilic contamination of sugar, starches, milk, powder, spices, etc.;_x000D_Plant and equipment; Containers; Cooling water; Dilution cultures - 17. Examination of containers - Selection of cans; Preliminary examination; Examination of rolled seams; Defective soldering; Oval and rectangular cans; Flexible pouches - Appendix - Temperature of saturated steam; Sizes of some common round UK open-top cans; Example of calculation of process lethalities; Lethal rates; Summary of causes and control of microbial spoilage of canned food - Index -_x000D_ Table of contents : - _x000D_
Preface. 1. Introduction: Examples of Inverse Problems. 2. Ill-Posed Linear Operator Equations. 3. Regularization Operators. 4. Continuous Regularization Methods. 5. Tikhonov Regularization. 6. Iterative Regularization Methods. 7. The Conjugate Gradient Method. 8. Regularization with Differential Operators. 9. Numerical Realization. 10. Tikhonov Regularization of Nonlinear Problems. 11. Iterative Methods for Nonlinear Problems. A. Appendix: A.1. Weighted Polynomial Minimization Problems. A.2. Orthogonal Polynomials. A.3. Christoffel Functions. Bibliography. Index._x000D_