RT journal article T1 Rapid quantification of honey adulteration by visible-near infrared spectroscopy combined with chemometrics A1 Ferreiro González, Marta A1 Espada Bellido, Estrella A1 Guillén Cueto, Lucía A1 Palma Lovillo, Miguel A1 García Barroso, Carmelo A1 Fernández Barbero, Gerardo A2 Química Analítica K1 Adulteration K1 Authenticity K1 Chemometrics K1 Honey K1 Partial least squares regression K1 Visible-near infrared spectroscopy AB Honey is a pure product for which the addition of any other substance is prohibited by international regulations. Therefore, it is necessary to develop reliable analytical methods to guarantee its authenticity. Visible-near in frared spectroscopy (Vis-NIRS) combined with chemometric tools, like hierarchical cluster analysis (HCA), principal component analysis (PCA), linear discriminant analysis (LDA), has been used for the discrimination of honey adulterated with high fructose corn syrup (HFCS). Different honey samples from the Granada Protected Designation of Origin (Spain) were adulterated with HFCS at different percentages (10 – 90%). LDA was able to discriminate 100% of the samples. Partial least squares regression (PLS) was used to predict the level of adul teration. The best prediction model used 10 factors with a high coefficient of determination near 1. The de veloped method showed high precision (coefficient of variation below 4%). Vis-NIRS combined with chemo metrics can be used for the rapid and non-destructive detection of honey adulteration. The obtained results demonstrate that the application of this technique as a screening method could be a useful tool for quality monitoring analysis in routine laboratories. PB ELSEVIER SN 0039-9140 YR 2018 FD 2018 LK http://hdl.handle.net/10498/29967 UL http://hdl.handle.net/10498/29967 LA eng DS Repositorio Institucional de la Universidad de Cádiz RD 12-nov-2026