基于电子鼻的金华和宣威火腿产地鉴别与品级评定
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(1. 上海海洋大学食品学院,上海 201306;2. 上海水产品加工及贮藏工程技术研究中心,上海 201306)

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宋雪(1988—),女,上海海洋大学在读硕士研究生。E-mail: 459478366@qq.com

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“十二五”国家科技计划课题(编号:2012BAD28B01);国家肉品质量安全控制工程技术研究中心开放课题(编号:M2012K01);上海市科委工程中心建设(编号:11DZ2280300);上海市教委重点学科建设项目(编号:J50704);上海高校知识服务平台上海海洋大学水产动物遗传育种中心(编号:ZF1206)


Application of electronic nose on origin identification and quality grade evaluation of Jinhua and Xuanwei ham
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(1.College of Food Science and Technology, Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai Ocean University, Shanghai 201306, China; 2. Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China)

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    摘要:

    采用电子鼻及定量描述分析法(quantitative descriptive analysis, QDA)对不同等级与年份的金华、宣威火腿香气轮廓进行检测,并将感官评定与电子鼻分析结果进行相关性分析。电子鼻数据的主成分分析(principal component analysis, PCA)结果表明,各火腿香气轮廓区分显著,各样品点在PCA图上的分布与感官评价结果存在一定的相关性。采用软独立建模分类法(soft independent modeling class analogy, SIMCA)分别建立了火腿等级与产地鉴别模型,结果表明,宣威火腿等级鉴别模型和金华火腿产地鉴别模型区分效果较好,拒绝率基本达到了100%;但其中金华特级火腿的气味与优级火腿较为相似,以特级金华火腿为标准样品所建的SIMCA等级鉴别模型拒绝率仅为66.28%,模型效果不理想。

    Abstract:

    Odor profiles oftwo kind of dry-cured hams(Jinhua and Xuanwei hams) of different grades and years were analyzed byE-nose detection and quantitative descriptive analysis (QDA).The results of sensory evaluation and e-nose analysis were compared. The principal component analysis(PCA) results of e-nose showed that the odor profiles of all kinds of hams can be distinguished significantly, and the distribution of samples on principle component analysis chart were correlated to the results of sensory evaluation. Soft independent modeling of class analogy (SIMCA) wasapplied to establish the recognizing models of hams either on grade or on origin. Results showed that the models had better performance, and most of the rejection rate reached 100%. While the discriminative modelof specialand senior grade Jinhua ham showed unsatisfactoryresult, because of the similar odor between them.

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宋雪,高韶婷,杭梦茜,等.基于电子鼻的金华和宣威火腿产地鉴别与品级评定[J].食品与机械,2015,31(2):114-118.
SONGXue, GAOShaoting, HANGMengxi, et al. Application of electronic nose on origin identification and quality grade evaluation of Jinhua and Xuanwei ham[J]. Food & Machinery,2015,31(2):114-118.

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  • 收稿日期:2014-11-25
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  • 在线发布日期: 2023-03-17
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