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Issue 39, 2016
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Discrimination of adulterants in UHT milk samples by NIRS coupled with supervision discrimination techniques

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Abstract

A methodology was developed for distinguishing different ultra-high temperature (UHT) milk adulterants (water, urea, and formaldehyde) at various levels using NIR spectroscopy (NIRS) coupled with supervision discrimination techniques (SIMCA, SVM-DA, and PLS-DA). The figures of merit in discrimination were established based on the results given by the best preprocessing for each technique. Discrimination of formaldehyde was 100% independent of the discrimination technique used. For water discrimination SVM-DA furnished better results as compared to PLS-DA and SIMCA. The same occurred with urea discrimination as well.

Graphical abstract: Discrimination of adulterants in UHT milk samples by NIRS coupled with supervision discrimination techniques

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Publication details

The article was received on 10 May 2016, accepted on 24 Aug 2016 and first published on 25 Aug 2016


Article type: Paper
DOI: 10.1039/C6AY01351A
Citation: Anal. Methods, 2016,8, 7204-7208

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    Discrimination of adulterants in UHT milk samples by NIRS coupled with supervision discrimination techniques

    A. S. Luna, J. S. A. Pinho and L. C. Machado, Anal. Methods, 2016, 8, 7204
    DOI: 10.1039/C6AY01351A

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