| 果蔬微孔膜气调包装模型与试验验证 |
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| 引用本文： | 李 方,卢立新.果蔬微孔膜气调包装模型与试验验证[J].农业工程学报,2010,26(4):375-379. |
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| 作者姓名： | 李 方 卢立新 |
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| 作者单位： | 1. 江南大学包装工程系,无锡,214122
2. 江南大学包装工程系,无锡,214122;中国包装总公司食品包装技术与安全重点实验室,无锡,214122 |
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| 基金项目： | 国家“863”计划项目（2007AA100408）；教育部科学技术研究重点项目（108066）；江南大学创新团队发展计划资助课题 |
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| 摘 要： | 建立微孔膜气调包装的理论模型是保证气调包装质量、进行微孔膜气调包装系统设计的关键。基于孔径与分子平均自由程的关系，应用Fick扩散定理，结合果蔬呼吸速率模型，建立微孔膜果蔬气调包装内外气体交换的数学模型。以香菇为对象，利用密闭系统法确定其呼吸速率；采用硬质罐加PE膜封合包装香菇并在25℃、50%RH下储藏50 h以上，测定不同初始气体组分、微孔孔数与孔径条件下包装内气体浓度变化，对香菇微孔膜气调包装模型进行试验验证。结果表明，模型预测值与试验数据吻合度较高，所建模型能较准确地预测香菇微孔膜气调包装内外气体交换过程。
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| 关 键 词： | 包装，模型，贮藏，气调包装，微孔膜，香菇 |
| 收稿时间： | 2009/4/20 0:00:00 |
| 修稿时间： | 3/6/2010 12:00:00 AM |
Theoretical model and experimental validation for modified atmosphere packaging of fruits and vegetables with micro perforated film |
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| Li Fang,Lu Lixin.Theoretical model and experimental validation for modified atmosphere packaging of fruits and vegetables with micro perforated film[J].Transactions of the Chinese Society of Agricultural Engineering,2010,26(4):375-379. |
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| Authors: | Li Fang Lu Lixin |
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| Institution: | 1.Department of Packaging Engineering/a>;Jiangnan University/a>;Wuxi 214122/a>;China/a>;2.Key Laboratory of Food Packaging Techniques and Safety of China National Packaging Corporation/a>;China |
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| Abstract: | Modelling modified atmosphere packaging(MAP)with perforated film is one of key to design the MAP system of fruits and vegetables.Based on the relationship of the aperture and molecular mean free path,and combined with the respiration rate model of produce,a mathematical model based on Fick's law for predicting O2 and CO2 exchanges in MAP with micro perforated films was developed.The respiration rates of Lentinula edodes were estimated using the closed system method,and the respiration model for Lentinula ed... |
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| Keywords: | packaging models storage modified atmosphere packaging perforation Lentinula edodes |
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