SPOILAGE BACTERIA AND QUALITY INDEX METHOD SCORE IN REARED GILTHEAD SEABREAM


https://doi.org/10.4081/ijfs.2008.1054
AIVI - December 2008 - Issue 2
Submitted: 8 February 2013
Accepted: 8 February 2013
Published: 19 December 2008
Sparus aurata, Quality Index Method, spoilage bacteria, predictive model.
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Authors

  • A. Giuffrida
    lucia.zoppi@pagepress.org
    Dipartimento di Sanità Pubblica Veterinaria, Messina, .
  • G. Ziino Dipartimento di Sanità Pubblica Veterinaria, Messina, .
  • G. Donato Hippocampus s.c.ar.l., Villafranca Tirrena (ME), .
  • F. Giarratana Dipartimento di Sanità Pubblica Veterinaria, Messina, .
  • F Filiciotto Dipartimento di Sanità Pubblica Veterinaria, Messina, .
  • A. Panebianco Dipartimento di Sanità Pubblica Veterinaria, MessinaSPOILAGE BACTERIA AND QUALITY INDEX METHOD SCORE IN REARED GILTHEAD SEABREAM, .
A model to predict the Quality Index Method (QIM) score increase during the storage was set for Sparus aurata. In this regard, 126 specimens were analysed during the storage in ice, enumerating the spoilage bacteria in Iron Agar as well as evaluating the QIM. The growth curves and the observed QIM scores were used to calculate (fitting method) the terms a and b which relate the bacterial growth to the predicted QIM values. The presumptive Pseudomonas better explains the QIM trends; furthermore the model was validated with regard to other QIM curves obtained during a temperature fluctuating storage, introducing into the predictive system the secondary model for Shewanella spp. (Dalgard, 1995) and Rasmussen et al. (2002). In this case, the model produced a good estimation of the observed QIM.

1.
Giuffrida A, Ziino G, Donato G, Giarratana F, Filiciotto F, Panebianco A. SPOILAGE BACTERIA AND QUALITY INDEX METHOD SCORE IN REARED GILTHEAD SEABREAM. Ital J Food Safety [Internet]. 2008 Dec. 19 [cited 2024 Apr. 19];1(2):49-52. Available from: https://www.pagepressjournals.org/ijfs/article/view/ijfs.2008.2.49

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