Chapter 17. Rehydration Modeling of Food Particulates by Using Principles of Water Transport in Porous Media

  1. Dr. David S. Reid President5,
  2. Dr. Tanaboon Sajjaanantakul6,
  3. Dr. Peter J. Lillford7 and
  4. Dr. Sanguansri Charoenrein8
  1. I. S. Saguy1,
  2. O. Troygot1,
  3. A. Marabi2,3 and
  4. R. Wallach4

Published Online: 14 MAY 2010

DOI: 10.1002/9780470958193.ch17

Water Properties in Food, Health, Pharmaceutical and Biological Systems: ISOPOW 10

Water Properties in Food, Health, Pharmaceutical and Biological Systems: ISOPOW 10

How to Cite

Saguy, I. S., Troygot, O., Marabi, A. and Wallach, R. (2010) Rehydration Modeling of Food Particulates by Using Principles of Water Transport in Porous Media, in Water Properties in Food, Health, Pharmaceutical and Biological Systems: ISOPOW 10 (eds D. S. Reid, T. Sajjaanantakul, P. J. Lillford and S. Charoenrein), Wiley-Blackwell, Oxford, UK. doi: 10.1002/9780470958193.ch17

Editor Information

  1. 5

    Department of Food Science and Technology, University of California, Davis, California, USA

  2. 6

    Kasetsart University, Thailand

  3. 7

    Centre for Formulation Engineering, Chemical Engineering, University of Birmingham, Birmingham, UK

  4. 8

    Department of Food Science and Technology, Faculty of Agro-Industry, Kasetsart University, Bangkok, Thailand

Author Information

  1. 1

    Institute of Biochemistry, Food Science and Nutrition, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel

  2. 2

    Nestlé Research Center, Nestec Ltd., Lausanne, Switzerland

  3. 3

    Institute of Biochemistry, Food Science and Nutrition, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot, Israel

  4. 4

    Department of Soil and Water Sciences, The Robert H. Smith Faculty of Agricultural, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel

Publication History

  1. Published Online: 14 MAY 2010
  2. Published Print: 11 JUL 2010

ISBN Information

Print ISBN: 9780813812731

Online ISBN: 9780470958193

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Keywords:

  • rehydration modeling - principles of water transport;
  • water-imbibition theory - multidisciplinary validity, applicability in modeling rehydrated dried porous food;
  • water-characteristic curve of porous medium - relationship between water content and matric potential;
  • rehydration of dried foods - fundamental unit operation;
  • quality of rehydrated and reconstituted products - affected by drying conditions and rehydration processes;
  • use of nondissolvable solids (NDS) - determining rehydration ratio;
  • Weibull distribution function - describing rehydration of dried foods;
  • effective diffusion coefficient - encompassing intrinsic hydraulic properties of particles

Summary

This chapter contains sections titled:

  • Abstract

  • Introduction

  • Mathematical Modeling

  • Paradigm Shift

  • Flow in Unsaturated Porous Media

  • New Approaches and Other Advances

  • Research Needs

  • Conclusions

  • References