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Combined effect of chill storage and modified atmosphere packaging on mussels (Mytilus galloprovincialis) preservation
Author(s) -
Goulas Antonios E.
Publication year - 2007
Publication title -
packaging technology and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.365
H-Index - 50
eISSN - 1099-1522
pISSN - 0894-3214
DOI - 10.1002/pts.793
Subject(s) - modified atmosphere , trimethylamine , mussel , mytilus , thiobarbituric acid , chemistry , shelf life , nitrogen , food science , zoology , fishery , biology , antioxidant , biochemistry , lipid peroxidation , organic chemistry
Changes in biochemical indices, microbial growth, headspace and sensory quality of mussels which had been packaged in two modified atmospheres [Modified atmosphere packaging (MAP) 1: 60% CO 2 /20% N 2 /20% O 2 and MAP 2: 60% CO 2 /40% N 2 ] and under vacuum (VP) were studied for 14 days. The results showed better quality retention and greater shelf life of mussels packaged under MAP 1 as compared to MAP 2 and VP samples. Increase in total volatile basic nitrogen followed the order: MAP 1 < MAP 2, VP < air (control) samples while increase in trimethylamine nitrogen followed the order: MAP 1 < air < MAP 2 < VP. The 2‐thiobarbituric acid (TBA) values of MAP 1 and air samples were significantly higher ( p < 0.05) than the TBA values of VP and MAP 2 samples. MAP 1 showed a greater ( p < 0.05) inhibition effect on total viable count of mussel samples than all other packaging conditions. Based primarily on odour scores, the MAP 1 samples remained acceptable up to ca. 10–11 days, the MAP 2 and VP up to ca. 7–8 days while the air‐packaged samples up to ca. 5–6 days of storage. Copyright © 2007 John Wiley & Sons, Ltd.

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