摘要
建立了果蔬气调包装的数学模型,通过数值模拟预测包装袋内的气体浓度变化及达到动态平衡时的气体浓度,给出了包装材料的确定方法及不同气调参数下果蔬气调包装贮藏期的预测方法.以黄桃为研究对象,测定了5℃和25℃下自发气调包装的气体浓度变化规律,进行了0℃及体积分数为2%O2、5%CO2初始浓度条件下的主动气调包装贮藏实验.实验结果验证了数学模型预测结果的正确性.
The mathematical model of modified-atmosphere packaging （MAP） for fruits and vegetables was developed. The variation trend of gas concentration and the equilibrium gas concentration inside the packages were predicted. The methods of package material selection and the storage life estimation were presented under a given storage condition. The concentration changes of O2 and CO2 were deter- mined in the modified-atmosphere packages at 5℃ and 25℃, and the active modified-atmosphere packaging experiment was done with the primary concentration of 2 % O2 and 5 % CO2 at 0 ℃. It is shown that the predicted values by the mathematical model are quite proper.
出处
《上海理工大学学报》
EI
CAS
北大核心
2006年第6期526-530,共5页
Journal of University of Shanghai For Science and Technology
基金
上海市重点学科建设资助项目(T0503)
上海市教委发展基金资助项目
关键词
气调包装
呼吸速率
气体浓度
贮藏期预测
果蔬
modified-atmosphere packaging
respiration rate
gas concentration
storage life estimation
fruits and vegetables
