Qualitative analysis of green coffee by infrared spectrometry
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Principal component analysis and linear discriminant analysis (LDA) were applied to the mid-infrared spectra for the qualitative analysis of the variety of green coffee (Arabica and Robusta). It is shown that the KBr pellet technique in combination with the LDA method can successfully be used for the identification of sample origin.
KeywordsQualitative Analysis Principal Component Analysis Discriminant Analysis Linear Discriminant Analysis Sample Origin
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