| 光谱学与光谱分析 |
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| A Rapid Nondestructive Measurement Method for Assessing the Total Plate Count on Chilled Pork Surface |
| TAO Fei-fei, WANG Wei, LI Yong-yu, PENG Yan-kun*，WU Jian-hu, SHAN Jia-jia, ZHANG Lei-lei |
| College of Engineering, China Agricultural University, Beijing 100083, China |
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Abstract The present paper proposed a method based on the hyperspectral technology for rapidly, nondestructively quantify the total plate count on chilled pork surface. In the research, 50 chilled pork samples stored at 4 ℃ for 1-14 days were used to study the relationship between the total plate count on chilled pork surface and their hyperspectral images collected in 400-1 100 nm. Two models were established using MLR and PLSR methods，and the prediction showed that they can both give satisfactory results with Rv=0.886 and 0.863 respectively. The overall research demonstrates that the hyperspectral technology can well quantify the total plate count on chilled pork surface, and so indicates that it is a valid tool to assess the quality and safety properties of chilled pork in the future.
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Received: 2010-03-02
Accepted: 2010-06-06
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Corresponding Authors:
PENG Yan-kun
E-mail: ypeng@cau.edu.cn
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