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Spoilage pattern of five species of Australian prawns: Deterioration is influenced by environment of capture and mode of storage

Chinivasagam, H.N. and Bremner, H.A. and Thrower, S.J. and Nottingham, S.M. (1996) Spoilage pattern of five species of Australian prawns: Deterioration is influenced by environment of capture and mode of storage. Journal of Aquatic Food Product Technology, 5 (1). pp. 25-50.

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Publisher URL: http://www.haworthpressinc.com/web/JAFPT/
Publisher URL: http://www.haworthpressinc.com/journals/default.asp

Abstract

Five species of commercial prawns Penaeus plebejus, P. merguiensis, P. semisulcatus/P. esculentus and M. bennettae, were obtained from South-East and North Queensland, chilled soon after capture and then stored either whole or deheaded on ice and ice slurry, until spoilage. Total bacterial counts, total volatile nitrogen, K-values and total demerit scores were assessed at regular intervals. Their shelf lives ranged from 10-17 days on ice and >20 days on ice slurry. Initial bacterial flora on prawns from shallower waters (4-15m) were dominated by Gram-positives and had lag periods around 7 days, whereas prawns from deeper waters (100m) were dominant in Pseudomonas spp. with no lag periods in bacterial growth. The dominant spoiler in ice was mainly Pseudomonas fragi whereas the main spoiler in ice slurry was Shewanella putrefaciens. Bacterial interactions seem to play a major role in the patterns of spoilage in relation to capture environment and pattern of storage

Item Type:Article
Corporate Creators:Animal Science
Additional Information:© Hayworth Press Inc.
Keywords:Prawns; spoilage; chilled storage; environmental microflora.
Subjects:Aquaculture and Fisheries > Fisheries > Packing, transportation and storage
Deposited On:08 Jul 2004
Last Modified:06 Sep 2010 07:42

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