Detecting Foreign Bodies in Food

1st Edition

Editors: M Edwards
Print ISBN: 9781855737297
eBook ISBN: 9781855738393
Imprint: Woodhead Publishing
Published Date: 22nd April 2004
Page Count: 328
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Foreign bodies are the biggest single source of customer complaints for many food manufacturers, retailers and enforcement authorities. Foreign bodies are any undesirable solid objects in food and range from items entirely unconnected with the food such as glass or metal fragments to those related to the food such as bones or fruit stalks. Detecting foreign bodies in food discusses ways of preventing and managing incidents involving foreign bodies and reviews the range of current methods available for the detection and control of foreign bodies, together with a number of new and developing technologies.

Part one addresses management issues, with chapters on identifying potential sources of foreign bodies, good manufacturing practice (GMP), the role of the hazard analysis and critical control point (HACCP) system and how best to manage incidents involving foreign bodies. The book also includes a chapter on the laboratory identification of foreign bodies. Part two examines methods for the detection and removal of foreign bodies. There are chapters on existing methods, including metal detection, magnets, optical sorting, X-ray systems and physical separation methods. Other chapters consider research on potential new technologies, including surface penetrating radar, microwave reflectance, nuclear magnetic resonance, electrical impedance and ultrasound.

Detecting foreign bodies in food is a standard reference for all those concerned with ensuring the safety of food.

Key Features

  • Discusses ways of preventing and managing incidents involving foreign bodies
  • Reviews the range of technologies available for effective detection and control of foreign bodies


All those concerned with ensuring the safety of food

Table of Contents

Part 1 Management issues: Identifying potential sources of foreign bodies in the supply chain; GMP, HACCP and the prevention of foreign bodies; Managing incidents involving foreign bodies. Part 2 Detection and identification: Metal detection; Magnets; Optical sorting systems; Applying optical systems: Foreign bodies in fruits and vegetables; Microwave reflectance; Nuclear magnetic resonance imaging; Surface penetrating radar; Electrical impedance; Ultrasound; Using x-rays to detect foreign bodies; Separation systems; Identifying foreign bodies.


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© Woodhead Publishing 2004
Woodhead Publishing
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About the Editor

M Edwards

Mike Edwards is Head of the Microscopy Section at the internationally renowned Campden BRI.


…the book has a plethora of information on the broad range of technology available now and on the horizon, and should provide a valuable resource for businesses looking to improve their detection methods., Food Australia
…this book is very informative because it provides a collection of foreign bodies detection methodologies in conjunction with a managerial approach., International Journal of Food Science and Technology
…it is unique in this field., International Journal of Food Science and Technology