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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Comparative evaluation of the effect of storage temperature fluctuation on modified atmosphere packages of selected fruit and vegetables
Postharvest Biology and Technology, Volume 46, No. 3, Year 2007
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Description
Mushrooms (Agaricus Bisporus cv. U3 Sylvan 381), broccoli (Brassica oleracea L. cv. Acadi) and mature-green tomatoes (Lycopersicon esculentum cv. Trust) were packaged in Modified Atmosphere (MA) containers and steady-state atmospheres of 5% O2-10% CO2, 3% O2-8% CO2, and 5% O2-5% CO2 were maintained a 4, 3 and 13 °C, respectively. The packages were then subjected to a sequence of temperature fluctuations (ΔT = 10 °C) during 12, 30 and 35 days for mushrooms, broccoli and tomatoes respectively to simulate storage and transport conditions. Temperature, relative humidity and atmospheric composition were followed throughout storage and quality attributes were evaluated at the end of the storage period. Temperature fluctuations had a major impact on the composition of the package atmospheres and on product quality. CO2 concentrations increased rapidly, reaching maxima of 16%, 15.5% and 11% for mushrooms, broccoli and tomatoes, respectively. O2 concentrations decreased to less than 1.5% for the three products. The quality of the products stored under the temperature fluctuating regime was severely affected as indicated by extensive browning, loss of firmness, weight loss increase, the level of ethanol in the plant tissue, and infection due to physiological damage and excessive condensation, compared to products stored at constant temperature. It was clear that temperature fluctuation, even if it should occur only once, can seriously compromise the benefits of modified atmosphere packaging and safety of the packaged produce. Major problems caused by temperature fluctuation must therefore, be addressed to improve the usefulness and reliability of modified atmosphere packaging technology. © 2007 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Tano, Kablan
Cote D'ivoire, Abidjan
University of Abobo-adjamé
Oulé, Mathias Kégnon
Canada, Winnipeg
Université de Saint-boniface
Doyon, Gilles
Canada, St Hyacinthe
Saint-hyacinthe Research and Development Centre
Lencki, Robert W.
Canada, Guelph
University of Guelph
Arul, Joseph
Canada, Quebec
Université Laval
Statistics
Citations: 145
Authors: 5
Affiliations: 5
Identifiers
Doi:
10.1016/j.postharvbio.2007.05.008
ISSN:
09255214