| 寿命可靠性计算在食品货架期分析中的初步应用 |
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| 引用本文： | 曹平,于燕波,李培荣,马长伟.寿命可靠性计算在食品货架期分析中的初步应用[J].食品科学,2007,28(12):480-484. |
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| 作者姓名： | 曹平 于燕波 李培荣 马长伟 |
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| 作者单位： | 中国航天员科研训练中心； 中国农业大学食品科学与营养工程学院 北京100094中国农业大学食品科学与营养工程学院； 北京100083； 北京100094； |
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| 摘 要： | 以市售灭菌乳为研究对象,应用Weibull模型通过对食品非感官指标的分析,预测食品的货架期。灭菌乳分别在25、30、35、40℃环境下恒温储藏45d,并定期随机抽样进行感官检验和测定酸度。应用Weibull hazard analysis(WHA)方法分析非感官试验数据来预测样品货架期,并进行了寿命可靠性分析。
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| 关 键 词： | 货架期 威布尔分布 |
| 文章编号： | 1002-6630（2007）12-0480-05 |
| 收稿时间： | 2006-10-07 |
| 修稿时间： | 2006年10月7日 |
Study on Weibull Hazard Analysis to Determine Shelf-life of Foods |
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| CAO Ping,YU Yan-bo,LI Pei-rong,MA Chang-wei.Study on Weibull Hazard Analysis to Determine Shelf-life of Foods[J].Food Science,2007,28(12):480-484. |
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| Authors: | CAO Ping YU Yan-bo LI Pei-rong MA Chang-wei |
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| Affiliation: | 1.China Astronaut Research and Training Center, Beijing 100094, China; 2.College of Food Science and Naturitional Engineering, China Agricultrual University, Beijing 100083, China |
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| Abstract: | This study applied Weibull hazard analysis to determine of shelf-life, with UHT milk as experimental object. It also isscused the feasibility of applying physico-chemical Weibull hazard analysis to determine the shelf-life as well as the reliability analysis of commercial shelf-life. The sterilized commercial samples were divided into four experimental groups with commercial shelf-life of 45 days, stored at 25℃, 30℃, 35℃ and 40℃ respectively. The sensory, physico-chemical and bacterial tests were carried out at stated intervals. |
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| Keywords: | shelf-life Weibull distribution |
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