Doctoral fellowship under the Doctoral Program “Agricultural Production Chains – from fork to farm” (PD/00122/2012) provided by the FCT-Portuguese Foundation for Science and Technology to C. Brito (PD/BD/ 52543/2014). The Spanish Ministry of Economy and Competitiveness supported to M. Meijón by Ramón y Cajal program (RYC-2014-14981). Institution CITAB, for its financial support through the European Investment Funds by FEDER/COMPETE/POCI– Operational Competitiveness and Internationalization Program, under Project POCI-01-0145-FEDER-006958 and National Funds by FCT -Portuguese Foundation for Science and Technology, under the project UID/AGR/04033/2013. INTERACT project – “Integrative Research in Environment, Agro-Chains and Technology”, no. NORTE-01-0145- FEDER-000017, in its lines of research entitled ISAC, cofinanced by the European Regional Development Fund (ERDF) through NORTE 2020 (North Regional Operational Program 2014/2020).