- Protocol with the Department of Organic Chemistry, Faculty of Science, University of Porto: the main object of this protocol is the use of this department's mass detector gas chromatography equipment for the furaneol determinations.

Protocol signed December 3, 1996

- Protocol with Armando Sousa Botelho, producer/bottler: this protocol is directed at rendering technical and scientific support to the project entitled "Effect of yeasts strains in Azal, Loureiro and Pedernã grape varieties". This project has a minimum duration of five years and is sponsored by the Abel Salazar Institute of Biomedical Studies of the University of Porto.

Protocol signed February 20, 1996