章银良, 毛多斌. 气调和真空包装对腌制海鳗货架期的影响(英)[J]. 农业工程学报, 2009, 25(5): 270-274.
    引用本文: 章银良, 毛多斌. 气调和真空包装对腌制海鳗货架期的影响(英)[J]. 农业工程学报, 2009, 25(5): 270-274.
    Zhang Yinliang, Mao Duobin. Effects of vacuum and modified atmosphere packaging on shelf life of salted pike eel (Muraenesox cinereus) fillets[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2009, 25(5): 270-274.
    Citation: Zhang Yinliang, Mao Duobin. Effects of vacuum and modified atmosphere packaging on shelf life of salted pike eel (Muraenesox cinereus) fillets[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2009, 25(5): 270-274.

    气调和真空包装对腌制海鳗货架期的影响(英)

    Effects of vacuum and modified atmosphere packaging on shelf life of salted pike eel (Muraenesox cinereus) fillets

    • 摘要: 该文主要考察25℃下气调和真空包装对腌制海鳗货架期的影响。4个样品分别是M1:空气包装(对照),M2:真空包装,M3:CO2/N2,40%/60%,M4:100%CO2,以挥发性盐基氮,三甲胺,pH值,硫代巴比妥酸值,菌落总数和感官为指标。结果表明,气调包装的货架期为20d,真空包装为19 d,对照为16 d。对照组细菌增加很快,而M4增加最慢。挥发性盐基氮和三甲胺都随着储存时间延长而增加,在气调包装下的感官质量明显好于对照组。气调和真空包装,特别是100%CO2包装是保藏腌制海鳗的最有效方法。

       

      Abstract: The purpose of the study was to evaluate the shelf life of salted pike eel packaged with air, vacuum and modified atmosphere at 25℃. The samples were divided into four treatments: packaged with air(the controlr, M1), vacuum(M2), CO2/N2(40%/60%, M3) and CO2(M4), which were monitored the indexs of Total Volatile Base Nitrogen(TVB-N), Trimethylamine (TMA), pH value, Thiobarbituric Acid-Reactive Substances(TBARS) and Total Viable Counts (TVC). The shelf life of salted pike eel was found to be 20 days with Modified-Atmosphere Packaging(MAP), 19 days with vacuum packaging(VP), 16 days with air packaging. Bacteria grew most quickly in salted pike eel packaged with air (M1), and the lowest counts of bacteria were found in the sample with MAP(M4). The formation of TVB-N increased with time of storage. The change of TMA-N value was similar to that of TVB-N. The sensory quality of salted pike eel in MAP groups was significantly (P<0.05) higher than that of the control group. The MAP and VP were more effective package for preservation of salted pike eel than other treatments, especially packaging with 100% CO2.

       

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