“…The authentication of wines, especially the classification according to cultivar, vintage and geographical origin, has attracted much attention in the last decade (Arvanitoyannis et al 1999, Versari et al 2014, based on the selective determination of fingerprint compounds in wines by several analytical methodologies (Vasconcelos and das Neves 1989, Héberger et al 2003, de Villiers et al 2004, Košir et al 2004, Dugo et al 2005, Kiss and Sass-Kiss 2005, Bellomarino et al 2009, Franquet-Griell et al 2012, Regmi et al 2012, Serrano-Lourido et al 2012, Boschetti et al 2013, Fabani et al 2013, Geana et al 2013, Dourtoglou et al 2014, Šelih et al 2014 or the utilisation of cross-responsive electronic tongues (Parra et al 2006, Cetó et al 2012) and sensor arrays (Gallagher et al 2012). Recently, there has been considerable interest in the application of spectroscopies, including near infrared (NIR) (Liu et al 2006, Casale et al 2010b, Riovanto et al 2011, Martelo-Vidal and Vázquez 2014, middle infrared (MIR) (Bevin et al 2008, Riovanto et al 2011, fluorescence (Dufour et al 2006, Le Moigne et al 2008, Airado-Rodríguez et al 2009, Sádecká et al 2009, Wan et al 2012, Markechová et al 2014) and ultraviolet (UV)-visible (VIS) (Liu et al 2006, Urbano et al 2006, Acevedo...…”