**Author details**

Juliana Milheiro, Fernanda Cosme\*, Luís Filipe-Ribeiro and Fernando M. Nunes\* Chemistry Research Centre - Vila Real, (CQ-VR), Food and Wine Chemistry Laboratory, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal

\*Address all correspondence to: fcosme@utad.pt and fnunes@utad.pt

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