Slattery, S.L. and Williams, D.J. and Torrisi, C. (2009) New Modified Dipping Method Using 4-hexylresorcinol for Preventing Blackspot Formation in Prawns. Journal of Aquatic Food Product Technology, 18 (3). pp. 284-293.
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Article Link(s): http://dx.doi.org/10.1080/10498850902762299
Publisher URL: http://www.informaworld.com
Industry acceptance of alternative sulphite treatments for preventing blackspot in prawns is limited. This study demonstrated that dipping prawns (Penaeus monodon and Fenneropenaeus merguiensis) in a less concentrated solution for longer times provides better control of blackspot formation than the recommended 2 minute dip in 50 mg/L 4-hexylresorcinol. Protection improved as modified dipping times and solution concentrations increased. Blackspot protection provided by most of the modified dip methods was more effective than a 1 minute dip in 1% sodium metabisulphite. The recommended 2 minute dip method should be limited to 125 kg when used on consecutive 25-kg batches of prawns. Yields increased by less than 10% even after 72-hour exposure in the modified dip. The new dipping method meets most international residue standards when applying the modified treatments evaluated.
|Corporate Creators:||DEEDI, DPI|
|Additional Information:||© Taylor & Francis Group, LLC.|
|Keywords:||4-hexylresorcinol; dip; melanosis; blackspot; residues; prawns; yield.|
|Subjects:||Science > Science (General)|
Aquaculture and Fisheries > Aquaculture > Fish culture > Diseases and adverse factors
|Deposited On:||07 Dec 2010 07:26|
|Last Modified:||15 Jun 2011 23:02|
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