**Acknowledgements**

This work was financially supported by Project POCI‐01‐0145‐FEDER‐006939 (Laboratory for Process Engineering, Environment, Biotechnology and Energy—LEPABE funded by FEDER funds through COMPETE2020), Programa Operacional Competitividade e Internacionaliza‐ ção (POCI), and by national funds through FCT—Fundação para a Ciência e a Tecnologia; FCT doctoral grant PD/BD/105984/2014.
