Preface | p. v |
Contributors | p. xv |
Fundamental Physical Aspects of Microwave Absorption and Heating | |
Electromagnetics: Fundamental Aspects and Numerical Modeling | p. 1 |
Introduction | p. 1 |
Fundamental Electromagnetics | p. 2 |
Analytical Modeling of Microwave Applicators | p. 18 |
Numerical Modeling of Cavities | p. 18 |
Application of Modeling to Microwave Heating | p. 23 |
Conclusion | p. 27 |
List of Symbols | p. 27 |
References | p. 28 |
Electromagnetics of Microwave Heating: Magnitude and Uniformity of Energy Absorption in an Oven | p. 33 |
Major Electromagnetic Issues in Microwave Heating of Foods | p. 33 |
Electromagnetic Fields Inside a Domestic Microwave Oven | p. 34 |
Magnitude and Uniformity of Energy Absorption: Food Factors | p. 36 |
Magnitude and Uniformity of Energy Absorption: Oven Factors | p. 54 |
Future Concepts and Developments in Oven Design | p. 59 |
Appendix | p. 62 |
References | p. 63 |
Dielectric Properties of Food Materials and Electric Field Interactions | p. 69 |
Introduction | p. 69 |
Definition of Terms and Basic Principles | p. 70 |
Variation of Dielectric Properties | p. 72 |
Measurement Principles and Techniques | p. 78 |
Dielectric Behavior of Food Materials | p. 81 |
Dielectric Properties: Data Complications | p. 106 |
Acknowledgments | p. 107 |
List of Symbols | p. 107 |
References | p. 107 |
Fundamentals of Heat and Moisture Transport for Microwaveable Food Product and Process Development | p. 115 |
Introduction | p. 115 |
Nature of Microwave Heating | p. 116 |
Lambert's Law as a Simplified Description of Microwave Power Absorption | p. 119 |
Heat Transport in Microwave Heating: General Description | p. 121 |
Heat Transport in Microwave Heating of Solids | p. 125 |
Heat Transport in Microwave Heating of Liquids | p. 129 |
Effect of Changes in Temperature and Frequency on Heat Transport | p. 132 |
Some Unit Operations Involving Primarily Heat Transport | p. 133 |
Moisture Transport in Microwave Heating of Solid Food | p. 141 |
Coupling of the Temperature and Moisture Variation of Dielectric Properties During Processing | p. 153 |
Quality Improvement | p. 158 |
Computer-Aided Engineering of Heat and Mass Transfer Processes | p. 163 |
Acknowledgments | p. 165 |
List of Symbols | p. 165 |
References | p. 166 |
Chemical and Biological Changes Due to Heating | |
Generation and Release of Food Aromas Under Microwave Heating | p. 173 |
Introduction | p. 173 |
Generation of Maillard Aromas Under Microwave Heating | p. 175 |
Aroma Release During Microwave Heating of Food Products | p. 181 |
Development of New Products/Processes to Optimize Aroma Formation and Minimize Aroma Release During Microwave Processing of Food Products | p. 184 |
References | p. 186 |
Bacterial Destruction and Enzyme Inactivation During Microwave Heating | p. 191 |
Introduction | p. 191 |
Kinetics of Destruction During Microwave Heating | p. 192 |
Thermal, Nonthermal, and Microwave Enhanced Effects Due to Microwave Heating | p. 195 |
Factors Affecting Microbial Destruction During Microwave Heating | p. 196 |
Impact of Microwave Heating on Injury of Bacteria | p. 204 |
Microwave Inactivation of Enzymes | p. 206 |
Conclusion | p. 209 |
References | p. 210 |
Processing Systems and Instrumentation | |
Consumer, Commercial, and Industrial Microwave Ovens and Heating Systems | p. 215 |
Historical Introduction | p. 215 |
Power Sources for Microwave Heating | p. 226 |
Microwave Applicators and Cavities | p. 233 |
Review of Available Oven Systems and Properties | p. 252 |
Power and Efficiency Considerations | p. 266 |
Uniformity Considerations | p. 269 |
Controls and Sensors | p. 271 |
Trends and Outlook | p. 272 |
References | p. 275 |
Measurement and Instrumentation | p. 279 |
Introduction | p. 279 |
Measurement of Electric Field | p. 280 |
Point Measurement of Temperature | p. 282 |
Measurement of Surface Heating Patterns | p. 288 |
Measurement of Internal Temperature Profiles Using Magnetic Resonance Imaging | p. 291 |
Measurement of Cook or Sterilization Values (Time-Temperature History Effects) | p. 292 |
Set-Point Temperature Control in a Microwave Oven | p. 293 |
Measurement of Moisture Loss and Moisture Profiles During Microwave Heating | p. 295 |
References | p. 296 |
Processes at Industry and Home | |
Microwave Processes for the Food Industry | p. 299 |
Introduction | p. 299 |
Meat and Poultry Processing | p. 303 |
Tempering | p. 309 |
Baking | p. 312 |
Drying | p. 320 |
Pasteurization and Sterilization | p. 325 |
Future of Microwave Processing in the Food Industry | p. 330 |
Conclusion | p. 334 |
References | p. 335 |
Basic Principles for Using a Home Microwave Oven | p. 339 |
Introduction | p. 339 |
Cooking Patterns, Power Levels, and Temperature Correlation | p. 340 |
What Affects Microwave Cooking Time? | p. 341 |
Effects of Containers, Covers, and Shielding | p. 344 |
Various Processes at Home | p. 346 |
Cooking Various Food Types | p. 349 |
Converting Directions from Conventional Heating | p. 350 |
References | p. 352 |
Product and Process Development | |
Ingredient Interactions and Product Development for Microwave Heating | p. 355 |
Introduction | p. 355 |
Microwave Energy | p. 356 |
Microwave Oven | p. 356 |
Interaction of Food Components with Microwaves | p. 357 |
Food Product Design for Microwave Heating | p. 377 |
Product Performance Testing | p. 380 |
Advanced Technologies for Microwaveable Food Product Development | p. 382 |
References | p. 389 |
Packaging Techniques for Microwaveable Foods | p. 397 |
Introduction | p. 397 |
Passive Packages | p. 399 |
Active Packages | p. 407 |
Environmental Considerations | p. 441 |
Some Remaining Challenges | p. 443 |
Summary | p. 444 |
Patents | p. 444 |
References | p. 467 |
Safety | |
Safety in Microwave Processing | p. 471 |
Introduction | p. 471 |
Uniformity of Thermal Treatment in Conventional and Microwave Heating | p. 472 |
Industrial and Commercial Production of Microbiologically Safe Foods | p. 476 |
Chemical Migration | p. 487 |
Operational Safety Considerations | p. 489 |
Summary | p. 494 |
References | p. 494 |
Index | p. 499 |
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