Establishment and evaluation of shelf life prediction model for half-smoothtongue sole(Cynoglossus semilaevis) at different storage temperatures
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(1. Shanghai Engineering Research Center of Aquatic Product Processing&Preservation, Shanghai 201306, China;2. Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance andEnergy Saving Evaluation, Shanghai 201306, China; 3. College of Food Science and Technology,Shanghai Ocean University, Shanghai 201306, China)

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    Abstract:

    To monitor promptly changes of quality characteristics and predict shelf life of half-smooth tongue sole(HTS) fillets during cold store, HTS fillets were stored at 270, 273, 277, 283 K and sensory evaluation, physicochemical properties (electrical conductivity, dripping loss, cooking loss, TVB-N value and K value), and the total viable counts were measured regularly. Besides, the shelf-life model of every index varying with storage temperature and storage time was established by using first-order kinetic model combined with Arrhenius equation, which was further verified using quality changes of HTS fillets at 280 K. The results showed that the sensory evaluation values decreased with the extension of storage time, while the physicochemical and microbial indexes showed an upward trend. Furthermore, the kinetic models constructed with all indexes had excellent accuracy. And the relative error was less than ±10% between predicted shelf life and actually measured shelf life of all indicators, especially the models of TVB-N value and cooking loss. Above results demonstrated that first-order kinetic model combined with Arrhenius equation has great significance and practical guides in the evaluation of quality characteristics and prediction of shelf life of HTS fillets during cold chain logistics process.

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李娜,谢晶,梅俊.不同贮藏温度下半滑舌鳎货架期预测模型建立与评价[J].食品与机械英文版,2018,34(11):119-125.

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  • Received:August 01,2018
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  • Online: March 17,2023
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