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High pressure sterilisation: a review

CCFRA Review No. 47 (2005)

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£30 CCFRA member price £45 non-member price		 No. of Copies:

Overview

Identify and assess the benefits of high pressure sterilisation and how it can contribute to food and drink product and process innovation.

Although high pressure processing was first developed many years ago, the full benefits of the approach have yet to be realised and exploited. To help companies identify potential opportunities for high pressure sterilisation of their products, CCFRA has published High pressure sterilisation: a review. This outlines the role that novel technologies, including high pressure processing, can play in product and process innovation, before examining in detail the use of high pressure in product sterilisation - and particularly the combined use of pressure and heat for the preservation of low-acid ambient-stable products.

It explains several different approaches to high pressure inactivation of bacterial spores, as well as describing the product quality benefits that can be achieved with the approach. It also discusses specific aspects of the process such as compression heating effects, minimising heat loss, and process validation, and briefly outlines the economics of the process. It is aimed at process technologists, engineers and product developers looking to explore new technologies and harness their benefits.

Contents

Introduction
  • Power ultrasound
  • Oscillating magnetic fields
  • High voltage arc discharge
  • High intensity pulsed light
  • Irradiation
  • Pulsed electric field processing
´Conventional´ high pressure processing (HPP)
  • Current commercial applications
  • Equipment for pressure pasteurisation
  • Process economics for conventional HPP
High pressure sterilisation
  • Why the interest in high pressure sterilisation?
  • Published approaches for spore inactivation using high pressure
  • Kal Kan
  • Meyer cycle
  • Marz process
  • Quality benefits from high pressure sterilisation
  • Compression heating effects and heat transfer within a pressure vessel
  • Strategies for reducing heat losses and maximising compressive heat effects
  • Predicting compression heating effects
  • Process validation of high pressure processes
  • Process economics for high pressure sterilisation
Conclusions
References

Soft cover- 42 pages

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