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Modified Atmosphere Packaging (MAP) for Control of Black Spot Formation in Chilled Prawns

Slattery, Steven L. and Palmer, Paul J. (2014) Modified Atmosphere Packaging (MAP) for Control of Black Spot Formation in Chilled Prawns. Journal of Aquatic Food Product Technology, 23 (5). p. 475. ISSN 1049-8850

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Article Link(s): http://dx.doi.org/10.1080/10498850.2012.729256

Publisher URL: http://www.tandfonline.com/doi/abs/10.1080/10498850.2012.729256#.VQnyNhF03q4

Abstract

The marketing of organically labeled prawns is predominately in a cooked or raw frozen form to avoid the development of melanosis (black spot). Certification for organic status prohibits the use of any added chemicals. The application of 60% CO2/40%N2 modified atmosphere to chilled (raw) prawns using two species of prawn was investigated for the ability to control black spot formation. Sensory assessment and microbiological counts were used to determine the end of product shelf life. Modified atmosphere packaged (MAP) prawns exhibited no melanosis for up to 16 days. The high quality life was retained for 12 days; shelf life of 16 days, according to standard microbiological criteria, was achieved, which is more than twice previously reported for non-MAP prawns. Results suggest MAP may be an effective method for the marketing of organically grown prawns as well as those produced by conventional prawn aquaculture without application of the normal chemicals used to prevent black spot. Copyright © 2014 Crown Copyright.

Item Type:Article
Business groups:Animal Science
Keywords:Banana prawns Black spot Black tiger prawns MAP Microbiology Sensory assessment Shelf life Commerce Maps Marketing Organic chemicals Shellfish Modified atmosphere packaging
Subjects:Agriculture > Agriculture (General) > Storage
Aquaculture and Fisheries > Seafood gathering
Deposited On:18 Mar 2015 21:57
Last Modified:08 Jun 2015 16:03

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