Browsing by Author "Pessanha, M."
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- Defining the uniqueness of monovarietal wines from native portuguese varieties of Vitis viniferaPublication . Guedes, P.; Pina, C.; Santos, C.; Vasconcelos, I.; Silva, M. C. M.; Hogg, T.; Cabral, L.; Vieira, M.; Pessanha, M.; Soares Franco, J. M.Studies have been carried out on red and white monovarietal wines vinified during the 1995, 1996 and 1997 harvests. The essential aim being to evaluate sensory quality, correlate it with chemical analytical data and relate these to the various winemaking options available. Hence selective native varieties from the Douro, Dao, Bairrada and Vinhos Verdes regions have been studied and the analytical / sensorial data correlated to such factors as grape maturation and maceration regime. Results are presented illustrating the quality effects of variety / winemaking practice combinations, both in terms of analytical data (sensory and chemical) and taster preferences.
- Determination of Monoterpenes in Portuguese Wines VarietiesPublication . Barbosa, A.; Ferreira, A C. Silva; Pinho, P. Guedes de; Pessanha, M.; Vieira, M.; Franco, J. M. Soares
- Industry/University collaboration in product focussed œnological research in Portugal - the SOGRAPE / UCP ESB partnership 1995 - 1998Publication . Guedes, P.; Pina, C.; Santos, C.; Vasconcelos, I.; Silva, M. C.; Couto, J.A.; Hogg, T.; Cabral, L.; Vieira, M.; Pessanha, M.; Graca, A.; Soares Franco, J. M.A innovative model of collaboration between a wine company and a university research group is presented. A protocol was established as a response to the perceived need to, on the part of the university, (i) focus research on specific scientific bottlenecks which would have a real impact in the producing industry and, on the part of the company, (ii) to have access to the scientific capacity to conduct in-depth studies to approach specific technical challenges. A closely managed programme was jointly established and the major characteristics are presented here together with the main results obtained during the first 2 and a half years of operation.