2024
DOI: 10.18633/biotecnia.v26.2210
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Differentiation of mezcales from four agave species using FT-MIR and multivariate statistical analysis

Rosa López Aguilar,
Emanuel Hernández Núñez,
Arturo Hernández Montes
et al.

Abstract: Fourier Transform Mid-Infrared (FT-MIR) spectroscopy and multivariate statistical analysis were used to differentiate mezcales elaborated with four agave species. The FT-MIR data matrix was subjected to spectral transformations using first and second derivatives. The Partial Least Squares (PLS)-Discriminant Analysis (DA) with the matrix transformed by the first and second derivative allowed the differentiation of mezcales. While Orthogonal Partial Least Squares-Discriminant Analysis (OPLS-DA) was more robust w… Show more

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