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Fluorescence of Fish Bones.

H H Huss1, P Sigsgaard1, S A Jensen1

  • 1Technological Laboratory, Ministry of Fisheries, Building 221, The Technical University of Denmark, DK-2800 Lyngby, Denmark; Carlsberg Research Laboratory, Department of Brewing Chemistry, Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark; and Carlsberg Research Laboratory, Department of Biotechnology, Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark.

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|April 5, 2019
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Summary
This summary is machine-generated.

A new fluorescence method detects fish bones in fillets. This technique uses ultraviolet light to reveal bone fluorescence, simplifying inspection for bones and nematodes in fish processing.

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Area of Science:

  • Food science and technology
  • Analytical chemistry
  • Fisheries science

Background:

  • Detecting fish bones in fillets is crucial for food safety and quality control.
  • Current methods for bone detection can be labor-intensive and may not be suitable for high-throughput processing lines.

Purpose of the Study:

  • To develop and evaluate a novel fluorescence-based method for identifying and quantifying fish bones in fillets.
  • To assess the applicability of this method for routine quality control in fish processing.

Main Methods:

  • A fluorescence detection technique was employed, utilizing specific excitation (340 nm) and emission (390 nm) wavelengths.
  • The method was tested on fillets from six different fish species to assess its efficacy across various fish types.

Main Results:

  • Bones and bone fragments in the tested fish species exhibited strong ultraviolet-blue fluorescence under the specified light conditions.
  • The fluorescence method effectively simplified the detection of bones, particularly those not deeply embedded within the fish tissue.

Conclusions:

  • The described fluorescence method shows significant promise for the routine inspection of fish fillets.
  • This technique could be integrated into standard filleting lines for efficient detection of bones and potentially parasitic nematodes.