Premium
Quality Assessment of Commercially Processed Carbon Monoxide‐Treated Tilapia Fillets
Author(s) -
Pivarnik Lori F.,
Faustman Cameron,
Suman Surendranath P.,
Palmer Catherine,
Richard Nicole L.,
Ellis P. Christopher,
DiLiberti Michael
Publication year - 2013
Publication title -
journal of food science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 150
eISSN - 1750-3841
pISSN - 0022-1147
DOI - 10.1111/1750-3841.12145
Subject(s) - tilapia , chemistry , food science , thiobarbituric acid , lipid oxidation , carbon monoxide , peroxide value , fish <actinopterygii> , fishery , biochemistry , biology , lipid peroxidation , antioxidant , catalysis
Carbon monoxide (CO) has been used to stabilize the color of fish muscle during frozen storage and distribution. This study compared changes in the quality profiles of CO‐treated and untreated (UT) tilapia fillets stored at 21 to 22 °C (room temperature), 4 to 5 °C (refrigerated), and 0 °C (iced). Samples ( n = 3) were analyzed at different time intervals for chemical, lipid oxidation, microbiological, color, and expert sensory profiles. CO samples contained greater ( P < 0.05) apparent ammonia and total volatile base nitrogen (TVB‐N) at day 0, with greater ( P < 0.05) TVB‐N throughout refrigerated and iced storage. At time 0, peroxide values (POV) and thiobarbituric‐acid‐reactive substances were lower ( P < 0.05) for CO samples and continued to have lower trends throughout all storage temperatures. Microbiological analysis at time 0 did not show any differences between UT and CO samples. Redness ( a* ) color values were greater ( P < 0.05) in CO tilapia at time 0; however, treated product showed a more rapid decline in a* throughout all storage temperatures. While expert sensory evaluation showed no statistical differences between UT and CO tilapia at time 0, CO product failed sensory assessment sooner than UT product when stored refrigerated and in ice.