Optics and Precision Engineering, Volume. 21, Issue 1, 40(2013)

Detection of egg quality by near infrared diffuse reflectance spectroscopy

LIU Yan-de*, Zhou Yan-rui, and PENG Yan-ying
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  • [in Chinese]
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    The feasibility of using the Fourier transform near-infrared diffuse reflectance spectrometry to determine egg quality and storage time rapidly was investigated. The spectral models were established based on Partial Least Square(PLS) for egg quality indexes(Haugh unit, protein pH and egg shape) and storage time and the coefficient of determination(R2cv) and the Root Mean Square Error of Cross Validation(RMSECV) were used to evaluate the model accuracy. The results show that the optimal predictive models for Haugh unit, protein pH, egg shape and storage time are obtained by effective information selection with the R2cv of 0.86、0.84、0.26 and 0.92, respectively and the RMSECV of 7.52, 0.17, 0.05 and 1.37, respectively. It concludes that the models have better measuring accuracy and prediction capabilities except for the egg shape, which can meet the requirements of fast non-destructive detection for the fresh eggs. Moreover, All parameters have a higher correlation with the change of storage time except for the egg shape, which meets the change tendency of the storage fresh eggs.

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    LIU Yan-de, Zhou Yan-rui, PENG Yan-ying. Detection of egg quality by near infrared diffuse reflectance spectroscopy[J]. Optics and Precision Engineering, 2013, 21(1): 40

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    Paper Information

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    Received: Jul. 12, 2012

    Accepted: --

    Published Online: Mar. 5, 2013

    The Author Email: LIU Yan-de (jxliuyd@163.com)

    DOI:10.3788/ope.20132101.0040

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