食品工业科技2012,Vol.33Issue(6):390-393,408,5.
暗纹东方鲢不同贮藏温度货架期模型的预测研究
Prediction model for the shelf-life of Takifugu obscures stored at different temperatures
摘要
Abstract
To study quality changes of puffer fish during frozen storage, kinetic models were investigated at different temperatures during storage.Total Viable Count ( TVC ), Total- Volatile Basic Nitrogen ( TVB- N ), 2 - thiobarbituric acid (TBA) and trimethylamine(TMA) value at different storage temperatures(273,277 and 281 K) were accessed to investigate the relation between the time and temperature.The kinetic models of TVC,TVB-N,TBA and TMA value with respect to storage time and temperature were developed based on Arrhenius equation.The high regression coefficients(R2 〉0.9)indicated the acceptability of the first order reaction and Arrhenius model for predicting the changes of TVC,TVB-N,TBA and TMA value of puffer fish.Activation energies(EA) and rate constants( k0 ) of TVC, TVB-N,TBA and TMA value were obtained.They were 21.iOkJ/mol and 1.059 × 103 ,76.58kJ/mol and 2.888 × 10'3, 6.59kJ/mol and 4.012,18.35kJ/mol and 1.393 × 103, respectively.The results indicated that TVC, TVB-N, TBA and TMA value increased with the increasing of storage times and temperatures. It showed from the reliability assessment between predicted and observed shelf-life that relative error was within + 10% calculated by the prediction models for the shelf-life of puffer fish.The remaining shelf-life of puffer fish could be predicted at the storage temperature from 273K to 281K based on TVC and T-VBN value.关键词
动力学模型/贮藏/品质控制/河豚鱼/货架期Key words
kinetic models/storaqe/quality control/puffer fish/shelf life分类
轻工纺织引用本文复制引用
马妍,谢晶,周然,刘源..暗纹东方鲢不同贮藏温度货架期模型的预测研究[J].食品工业科技,2012,33(6):390-393,408,5.基金项目
上海市科委部分地方院校计划项目 ()
上海市科委工程中心建设 ()
上海市教育委员会重最学科建设项目 ()
上海市教育委员会科研创新项目(11YZ160). ()