Aseptic Processing of Foods Containing Solid Particulates

The emerging technology of aseptic processing of particulate foodspromises lower packaging costs and higher food quality and safety.The process, however, has yet to be regulated, and the majority ofthe innovative research performed in the past decade remainsuncollected. Aseptic Processing of Foods Containing SolidParticulates fills this void, providing students and industryprofessionals a reference on how the continuous sterilization ofparticulate foods may be accomplished.

The fundamental challenge of the method is simple: how todetermine the temperature within a freely flowing solid piece(particle) entrained in a viscous fluid stream, considering thatthe fluid and solid must achieve uniform composition at outlet, andthat the solid is of significant size. Aseptic Processingthoroughly incorporates the three disciplines intimately involvedwith this question: engineering, microbiology, and statistics.Drawing on a pair of landmark conferences, the text detailscritical experiments conducted with an eye toward developinguniform parameters for operation. Specific topics coveredinclude:

-Flow and residence time distributions of solid-liquidmixtures
-Fluid-solid convective heat transfer
-Statistical design and analysis and microbiologicalvalidation
-Hazard analysis and critical control point evaluation of amultiphase food product aseptic system
-The filing process for FDA approval

An indispensable companion to the work and studies of engineersand university personnel, Aseptic Processing of Foods ContainingSolid Particulates brings the level of scholarship equal to thelevel of enthusiasm for this potentially groundbreaking system. Preface.

Introduction.

Process Filing and Product Characteristics.

Mathematical Models.

Thermophysical Properties.

Residence Time Distribution.

Fluid-Solid Convective Heat Transfer.

Statistical Design and Analysis and MicrobiologicalValidation.

Hazard Analysis and Critical Control Point Evaluation of aMultiphase Food Product Aseptic System.

Appendix: Case Study for Condensed Cream of Potato Soup From theAseptic Processing of Multiphase Foods Workshop.

Index. "Focuses on the continuous sterilization of particulate foods byconventional heat exchange methods." (Journal of Agricultural andFood Chemistry, June 5, 2002).

"The continuous sterilization of particulate foods is detailed..."(SciTech Book News, Vol. 26, No. 2, June 2002) SUDHIR K. SASTRY is Professor in the Department of Food,Agricultural, and Biological Engineering, and Co-director of theCenter for Advanced Packaging Studies, at the Ohio State Universityin Columbus, Ohio.

BILL D. CORNELIUS is Extension Associate at HAACP and ProcessVerifications in the Department of Food Science and Technology atthe Ohio State University in Columbus, Ohio. Examining engineering, microbiology, and statistical challenges in the quest for aseptic processing of particulate foods

The emerging technology of aseptic processing of particulate foods promises lower packaging costs and higher food quality and safety. The process, however, has yet to be regulated, and the majority of the innovative research performed in the past decade remains uncollected. Aseptic Processing of Foods Containing Solid Particulates fills this void, providing students and industry professionals a reference on how the continuous sterilization of particulate foods may be accomplished.

The fundamental challenge of the method is simple: how to determine the temperature within a freely flowing solid piece (particle) entrained in a viscous fluid stream, considering that the fluid and solid must achieve uniform composition at outlet, and that the solid is of significant size. Aseptic Processing thoroughly incorporates the three disciplines intimately involved with this question: engineering, microbiology, and statistics. Drawing on a pair of landmark conferences, the text details critical experiments conducted with an eye toward developing uniform parameters for operation. Specific topics covered include:

• Flow and residence time distributions of solid-liquid mixtures
• Fluid-solid convective heat transfer
• Statistical design and analysis and microbiological validation
• Hazard analysis and critical control point evaluation of a multiphase food product aseptic system
• The filing process for FDA approval

An indispensable companion to the work and studies of engineers and university personnel, Aseptic Processing of Foods Containing Solid Particulates brings the level of scholarship equal to the level of enthusiasm for this potentially groundbreaking system.