The effect of vacuum packaging (VP) on the quality changes of Spangled emperor ( Lethrinus nebulosus ) treated with or without chitosan during refrigerated storage of 12 days was investigated. Treatments included the following: control (untreated, control samples stored in air), VP (untreated, stored under vacuum packaging), FV (treated with chitosan film, stored under vacuum packaging) and CV (treated with chitosan coating stored under vacuum packaging). Chitosan coated and wrapped samples prior to VP can remarkably delay the growth of total viable count and psychrotrophilic count. Production of total viable bases nitrogen and trimethylamine for FV and CV Spangled emperor samples was significantly lower than for untreated samples at day 12 of storage. The coincidental lowered rate of increase thiobarbitoric acid and free fatty acid were obtained in Spangled emperor coated chitosan stored under vacuum packaging. Vacuum-packaged samples coated with chitosan showed significantly (P < 0.05) lower changes in a color value than uncoated samples. Therefore, Spangled emperor treated with chitosan stored under vacuum packaging had the lowest losses in quality during refrigerated storage. In addition, there was no significant difference between coating and film in reducing bacteriological, physicochemical and color parameters.
No takes yet. Share an insight, caveat, or question.
Rezaabad et al. (2017) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: