The use of rapid instrumental methods to assess freshness of half shell Pacific oysters, Crassostrea gigas: A feasibility study
This study aimed to assess the feasibility of the use of instrumental methods such as digital image analysis (DIA) and near-infrared reflectance spectroscopy (NIRS) to objectively characterise changes in freshness (shelf-life) of half shell Pacific oysters, Crassostrea gigas. Oysters were stored in...
Published in: | Innovative Food Science & Emerging Technologies |
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ftunivadelaidedl:oai:digital.library.adelaide.edu.au:2440/80050 2023-12-17T10:29:07+01:00 The use of rapid instrumental methods to assess freshness of half shell Pacific oysters, Crassostrea gigas: A feasibility study Madigan, T. Kiermeier, A. Carragher, J. de Barros Lopes, M. Cozzolino, D. 2013 http://hdl.handle.net/2440/80050 https://doi.org/10.1016/j.ifset.2013.04.005 en eng Elsevier BV Innovative Food Science and Emerging Technologies, 2013; 19:204-209 1466-8564 1878-5522 http://hdl.handle.net/2440/80050 doi:10.1016/j.ifset.2013.04.005 Kiermeier, A. [0000-0001-6240-2919] © 2013 Elsevier Ltd. All rights reserved. http://dx.doi.org/10.1016/j.ifset.2013.04.005 Near-infrared reflectance spectroscopy Digital image analysis Shelf-life Oysters Journal article 2013 ftunivadelaidedl https://doi.org/10.1016/j.ifset.2013.04.005 2023-11-20T23:29:26Z This study aimed to assess the feasibility of the use of instrumental methods such as digital image analysis (DIA) and near-infrared reflectance spectroscopy (NIRS) to objectively characterise changes in freshness (shelf-life) of half shell Pacific oysters, Crassostrea gigas. Oysters were stored in air under PVC film for five days at 4°C. On a daily basis, oysters were photographed with a digital camera, spectra were collected using a Fourier transform NIR spectrometer in reflectance mode and odour analysed by a sensory panel. Calibrations based on NIRS were successfully developed for days of storage (R2=0.8, RER=5.37) and odour (R2=0.77, RER=7.77) with the latter being influenced by wavelengths typically associated with aromatic compounds. However, colour (derived from digital images) was found to be a poor indicator of freshness. This work has demonstrated the feasibility of NIRS as an objective measure of oyster freshness.This manuscript describes a feasibility study that assesses the use of digital image analysis and near-infrared spectroscopy to objectively define the freshness of half shell oysters. Successful near-infrared calibrations were developed for days of refrigerated storage and also for odour. We have also demonstrated the potential for use this applications in food processors and retailers to rapidly evaluate freshness and quality of products. The proposed method shows promise for at-line analysis. Thomas Madigan, Andreas Kiermeier, John Carragher, Miguel de Barros Lopes, Daniel Cozzolino Article in Journal/Newspaper Crassostrea gigas The University of Adelaide: Digital Library Pacific Andreas ENVELOPE(-60.729,-60.729,-64.008,-64.008) Barros ENVELOPE(-62.167,-62.167,-64.717,-64.717) Innovative Food Science & Emerging Technologies 19 204 209 |
institution |
Open Polar |
collection |
The University of Adelaide: Digital Library |
op_collection_id |
ftunivadelaidedl |
language |
English |
topic |
Near-infrared reflectance spectroscopy Digital image analysis Shelf-life Oysters |
spellingShingle |
Near-infrared reflectance spectroscopy Digital image analysis Shelf-life Oysters Madigan, T. Kiermeier, A. Carragher, J. de Barros Lopes, M. Cozzolino, D. The use of rapid instrumental methods to assess freshness of half shell Pacific oysters, Crassostrea gigas: A feasibility study |
topic_facet |
Near-infrared reflectance spectroscopy Digital image analysis Shelf-life Oysters |
description |
This study aimed to assess the feasibility of the use of instrumental methods such as digital image analysis (DIA) and near-infrared reflectance spectroscopy (NIRS) to objectively characterise changes in freshness (shelf-life) of half shell Pacific oysters, Crassostrea gigas. Oysters were stored in air under PVC film for five days at 4°C. On a daily basis, oysters were photographed with a digital camera, spectra were collected using a Fourier transform NIR spectrometer in reflectance mode and odour analysed by a sensory panel. Calibrations based on NIRS were successfully developed for days of storage (R2=0.8, RER=5.37) and odour (R2=0.77, RER=7.77) with the latter being influenced by wavelengths typically associated with aromatic compounds. However, colour (derived from digital images) was found to be a poor indicator of freshness. This work has demonstrated the feasibility of NIRS as an objective measure of oyster freshness.This manuscript describes a feasibility study that assesses the use of digital image analysis and near-infrared spectroscopy to objectively define the freshness of half shell oysters. Successful near-infrared calibrations were developed for days of refrigerated storage and also for odour. We have also demonstrated the potential for use this applications in food processors and retailers to rapidly evaluate freshness and quality of products. The proposed method shows promise for at-line analysis. Thomas Madigan, Andreas Kiermeier, John Carragher, Miguel de Barros Lopes, Daniel Cozzolino |
format |
Article in Journal/Newspaper |
author |
Madigan, T. Kiermeier, A. Carragher, J. de Barros Lopes, M. Cozzolino, D. |
author_facet |
Madigan, T. Kiermeier, A. Carragher, J. de Barros Lopes, M. Cozzolino, D. |
author_sort |
Madigan, T. |
title |
The use of rapid instrumental methods to assess freshness of half shell Pacific oysters, Crassostrea gigas: A feasibility study |
title_short |
The use of rapid instrumental methods to assess freshness of half shell Pacific oysters, Crassostrea gigas: A feasibility study |
title_full |
The use of rapid instrumental methods to assess freshness of half shell Pacific oysters, Crassostrea gigas: A feasibility study |
title_fullStr |
The use of rapid instrumental methods to assess freshness of half shell Pacific oysters, Crassostrea gigas: A feasibility study |
title_full_unstemmed |
The use of rapid instrumental methods to assess freshness of half shell Pacific oysters, Crassostrea gigas: A feasibility study |
title_sort |
use of rapid instrumental methods to assess freshness of half shell pacific oysters, crassostrea gigas: a feasibility study |
publisher |
Elsevier BV |
publishDate |
2013 |
url |
http://hdl.handle.net/2440/80050 https://doi.org/10.1016/j.ifset.2013.04.005 |
long_lat |
ENVELOPE(-60.729,-60.729,-64.008,-64.008) ENVELOPE(-62.167,-62.167,-64.717,-64.717) |
geographic |
Pacific Andreas Barros |
geographic_facet |
Pacific Andreas Barros |
genre |
Crassostrea gigas |
genre_facet |
Crassostrea gigas |
op_source |
http://dx.doi.org/10.1016/j.ifset.2013.04.005 |
op_relation |
Innovative Food Science and Emerging Technologies, 2013; 19:204-209 1466-8564 1878-5522 http://hdl.handle.net/2440/80050 doi:10.1016/j.ifset.2013.04.005 Kiermeier, A. [0000-0001-6240-2919] |
op_rights |
© 2013 Elsevier Ltd. All rights reserved. |
op_doi |
https://doi.org/10.1016/j.ifset.2013.04.005 |
container_title |
Innovative Food Science & Emerging Technologies |
container_volume |
19 |
container_start_page |
204 |
op_container_end_page |
209 |
_version_ |
1785581417004007424 |