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Opportunities and challenges in high pressure processing of foods.

Rastogi, N. K. and Raghavarao, K. S. M. S. and Balasubramaniam, V. M. and Niranjan, K. and Knorr, D. (2007) Opportunities and challenges in high pressure processing of foods. Critical reviews in food science and nutrition, 47 (1). pp. 69-112. ISSN 1040-8398

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Abstract

Consumers increasingly demand convenience foods of the highest quality in terms of natural flavor and taste, and which are free from additives and preservatives. This demand has triggered the need for the development of a number of nonthermal approaches to food processing, of which high-pressure technology has proven to be very valuable. A number of recent publications have demonstrated novel and diverse uses of this technology. Its novel features, which include destruction of microorganisms at room temperature or lower, have made the technology commercially attractive. Enzymes and even spore forming bacteria can be inactivated by the application of pressure-thermal combinations, This review aims to identify the opportunities and challenges associated with this technology. In addition to discussing the effects of high pressure on food components, this review covers the combined effects of high pressure processing with: gamma irradiation, alternating current, ultrasound, and carbon dioxide or anti-microbial treatment. Further, the applications of this technology in various sectors - fruits and vegetables, dairy, and meat processing - have been dealt with extensively. The integration of high-pressure with other matured processing operations such as blanching, dehydration, osmotic dehydration, rehydration, frying, freezing / thawing and solid-liquid extraction has been shown to open up new processing options. The key challenges identified include: heat transfer problems and resulting non-uniformity in processing, obtaining reliable and reproducible data for process validation, lack of detailed knowledge about the interaction between high pressure, and a number of food constituents, packaging and statutory issues.

Item Type: Article
Uncontrolled Keywords: high pressure, food processing, non-thermal processing
Subjects: 600 Technology > 08 Food technology > 18 Processed foods
600 Technology > 08 Food technology > 05 Processing and Engineering
Divisions: Food Engineering
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 12 Aug 2008 06:11
Last Modified: 14 Dec 2016 11:12
URI: http://ir.cftri.com/id/eprint/1881

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