Drying is by far the most useful large scale operation method of
keeping solid foods safe for long periods of time, and is of
fundamental importance in most sectors of food processing. Drying
operations need to be precisely controlled and optimized in order
to produce a good quality product that has the highest level of
nutrient retention and flavor whilst maintaining microbial safety.
This volume provides an up to date account of all the major
drying technologies employed in the food industry and their
underlying scientific principles and effects. Various equipment
designs are classified and described. The impact of drying on food
properties is covered, and the micro-structural changes caused by
the process are examined, highlighting their usefulness in process
analysis and food design. Key methods for assessing food properties
of dried products are described, and pre-concentration and drying
control strategies are reviewed. Thermal hazards and fire/explosion
detection and prevention for dryers are discussed in a dedicated
chapter. Where appropriate, sample calculations are included for
engineers and technologists to follow. The book is directed at food
scientists and technologists in industry and research, food
engineers and drying equipment manufacturers.
Tabela de Conteúdo
Preface.
Xiao Dong Chen and Arun Mujumdar.
Images of foods and dried products.
Xiao Dong Chen.
1. Food drying fundamentals.
Xiao Dong Chen.
2. Water activity of foods.
Bhesh Bhandari and Benu P. Adhikari.
3. Food biological changes during drying processes.
Xiao Dong Chen and Kamlesh C. Patel.
4. Spray drying of liquid foods.
Bhesh Bhandari, Kamlesh C. Patel, Xiao Dong Chen.
5. Low-pressure superheated steam drying of food products.
Sakamon Devahastin and Peamsuk Suvarnakuta.
6. Heat-pump aided drying.
Raisul Islam and Arun Mujumdar.
7. Freeze and vacuum drying of foods.
Cristina Ratti.
8. Post-drying aspects for meat and horticultural products.
Mohammad Shafiur Rahman.
9. Food dryer process control.
Brent R. Young.
10. Fire and explosion protection in food dryers.
Xiao Dong Chen
Sobre o autor
Professor Xiao Dong Chen, Department of Chemical
Engineering, Monash University, Victoria, Australia
Professor Arun S. Mujumdar, Department of Mechanical
Engineering, National University of Singapore, Singapore
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