International Journal of
Fisheries and Aquaculture

  • Abbreviation: Int. J. Fish. Aquac.
  • Language: English
  • ISSN: 2006-9839
  • DOI: 10.5897/IJFA
  • Start Year: 2010
  • Published Articles: 212

Full Length Research Paper

Effects of different additives on colorimetry and melanosis prevention of Atlantic seabob shrimp (Xyphopenaeus kroyeri) stored under refrigeration

Ana Amelia Nunes Fossati*
  • Ana Amelia Nunes Fossati*
  • Departament of Zootechny, Zootechny Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
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Guiomar Pedro Bergmann
  • Guiomar Pedro Bergmann
  • Departament of Preventive Veterinary Medicine, Veterinary Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
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Luiz Alberto Oliveira Ribeiro
  • Luiz Alberto Oliveira Ribeiro
  • Departament of Animal Medicine, Veterinary Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
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Danilo Pedro Streit Junior
  • Danilo Pedro Streit Junior
  • Departament of Zootechny, Zootechny Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
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Tiago Martins Costa Schneider2
  • Tiago Martins Costa Schneider2
  • Departament of Preventive Veterinary Medicine, Veterinary Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
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Liris Kindlein
  • Liris Kindlein
  • Departament of Preventive Veterinary Medicine, Veterinary Faculty, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
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  •  Received: 19 April 2016
  •  Accepted: 05 July 2016
  •  Published: 31 August 2016

Abstract

The aim of this work was to evaluate the effect of the food additives, sodium chloride, sodium metabisulfite, sodium nitrite and citric acid on the anti-melanotic activity in shrimp (Xyphopenaeus kroyeri) kept under refrigeration for 13 days post-capture. A sensory panel and color measurements (L*: luminosity, a*: red-green axis saturation and b*: yellow-blue axis saturation) was conducted during storage to evaluate the development stages of melanosis. Statistical differences were found in the colorimetric indexes (L*, a* and b*) and melanosis levels in all the treatments. The best results were found in 2.5% sodium metabisulfite. However, 2% sodium chloride had similar results and presented advantages such as low cost, maintaining firmness, general appearance, flavor, microbiological control, besides not causing allergic reactions. The sodium chloride is an excellent alternative to sodium metabisulfite.

Key words: sodium chloride, shrimp storage, sodium metabisulfite, shelf-life.