猪油曲奇饼干货架期预测模型的建立
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(安徽农业大学茶与食品科技学院,安徽 合肥 230036)

作者简介:

邹晴晴,男,安徽农业大学在读硕士研究生。

通讯作者:

陆宁(1964-),女,安徽农业大学教授,博士。E-mail:luning@ahau.edu.cn

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Establishment of a prediction model for shelf life of lard cookies
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(College of Tea and Food Science and Technology, Anhui Agricultural University, Hefei, Anhui 230036, China)

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    摘要:

    采用货架期加速试验方法和Arrhenius方程建立猪油曲奇饼干的货架期预测模型。以过氧化值为指标,在试验储藏条件下(25,35,45,55 ℃),猪油曲奇饼干的过氧化值随储藏时间的变化符合一级品质劣变动力学模型。研究了加速储藏条件下的样品检测重复次数、检测点数和检测时间间隔对货架期预测模型预测精度的影响。结果表明:测定点数对预测精度的影响最大,其次是测定重复次数,影响最小的是测定时间间隔。不同温度下的速率常数以及结合Arrhenius方程建立了猪油曲奇饼干的货架期预测模型,该模型对25 ℃下猪油曲奇饼干货架寿命具有较好的预测效果,预测误差为-2.74%,具有一定的应用价值。

    Abstract:

    Accelerated shelf-life testing and Arrhenius equation were adopted to establish the shelf-life prediction model for lard cookies. With peroxide value as the deterioration index, peroxide value curves of lard cookies during different storage under shelf-life storage condition(25,35,45,55 ℃) was in line with first-order reaction kinetic model. The influence of the number of repetitions, the number of detection points and the time interval on the prediction of the shelf-life prediction model under accelerated storage conditions was studied. The results showed that the number of detection points has the greatest influence on the prediction accuracy, followed by the number of detection repetitions, and the least is the detection interval. The rate constants at different temperatures and the Arrhenius equation were used to establish the self-life prediction model for lard cookies. The shelf-life-prediction model of lard cookies has a good forecasting effect at 25 ℃, with forecasting error -2.74% and has certain application value.

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引用本文

邹晴晴,刘雪君,王慧玲,等.猪油曲奇饼干货架期预测模型的建立[J].食品与机械,2017,33(2):121-125.
ZOUQingqing, LIUXuejun, WANGHuiling, et al. Establishment of a prediction model for shelf life of lard cookies[J]. Food & Machinery,2017,33(2):121-125.

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  • 在线发布日期: 2023-03-10
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