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Abstract(s)
A casta Alvarinho é conhecida como sendo a casta nobre da Região dos Vinhos Verdes e devido à sua elevada qualidade a casta tem sido levada para outros pontos da Região, do país e mesmo para o estrangeiro. No entanto, é inegável a ligação histórica desta casta à sub-região de Monção e Melgaço (SRMM) reconhecida através da DOC “Vinho Verde Alvarinho” (Portaria n.º 668/2010), daí a importância de aumentar a investigação integrada do seu potencial vitivinícola. A promoção dos vinhos exige uma análise e definição de Terroir da SRMM na relação com a tipicidade dos vinhos Alvarinho e o alargamento da produção a outras regiões exige o aumento do conhecimento do comportamento desta casta e dos vinhos produzidos. Neste trabalho, que decorreu na campanha vitícola de 2018, foram monitorizadas parcelas de várias sub-regiões dos Região dos Vinhos Verdes (Basto, Cávado, Lima, Monção e Melgaço), do Alentejo, Dão e Trás-os-Montes. As mesmas foram caracterizadas ao nível dos dados meteorológicos (temperatura e precipitação) ao longo da maturação, complementado com um estudo dos índices bioclimáticos, análise dos solos, microbioma (bactérias e fungos) presentes nas uvas e nos solos, análise de mostos e dos vinhos resultantes dessas parcelas. Os vinhos foram vinificados por protocolo único para avaliação comparativa do efeito do terroir, sem interferência da vinificação, na sua composição química, incluindo na concentração de compostos fenólicos e voláteis e ainda pela avaliação dos perfis sensoriais obtidos em prova cega por um painel de enólogos. Os resultados mostram que a parcela P9 (Chaves) deu origem a um vinho da casta Alvarinho com uma tipicidade mais próxima aos obtidos em Monção e Melgaço e, pelo contrário, os vinhos que mais se afastaram do perfil dos de Monção e Melgaço foram os vinhos de Mondim de Basto e Vidigueira.
Alvarinho vine is known as being the noble variety of the Vinho Verde Region and due to its high quality this variety has been taken to other parts of the region, the country and even abroad. Yet, the historical connection between this grape variety and the sub-region of “Monção e Melgaço” is undeniable, recognized through the DOC “Vinho Verde Alvarinho” (Portaria nº668/2010), hence the importance of increasing the integrated research of it viticulture potential. Wine promotion demands an analysis and SRMM Terroir definition in relation of the Alvarinho Wine characteristics and the extension of the study to other regions requires an increase of knowledge of that variety viticulture production. In this work, patches of the Vinho Verde (Basto, Cávado, Lima, Monção and Melgaço) Alentejo, Dão and Trás-os-Montes regions were analysed. They were characterized in terms of meteorological data (temperature and rainfall) throughout maturation, bioclimatic indexes study with data from several years, soils analysis, bacteria and fungi present in both grapes and soils, musts and wines analysis. Each of the terroirs wines under study, were vinified in the same way in order to be able to evaluate their chemical composition by the concentration of phenolic and chemical compounds and also the assessment in a blind tasting, by a panel of winemakers, of the sensory profiles. The results showed that the P9 patch (Chaves) gave rise to a wine of the Alvarinho variety with similar characteristics to a “Monção e Melgaço”. On the other hand, the Mondim de Basto and Vidigueira wines, are the ones that deviate the most from the varietal profile.
Alvarinho vine is known as being the noble variety of the Vinho Verde Region and due to its high quality this variety has been taken to other parts of the region, the country and even abroad. Yet, the historical connection between this grape variety and the sub-region of “Monção e Melgaço” is undeniable, recognized through the DOC “Vinho Verde Alvarinho” (Portaria nº668/2010), hence the importance of increasing the integrated research of it viticulture potential. Wine promotion demands an analysis and SRMM Terroir definition in relation of the Alvarinho Wine characteristics and the extension of the study to other regions requires an increase of knowledge of that variety viticulture production. In this work, patches of the Vinho Verde (Basto, Cávado, Lima, Monção and Melgaço) Alentejo, Dão and Trás-os-Montes regions were analysed. They were characterized in terms of meteorological data (temperature and rainfall) throughout maturation, bioclimatic indexes study with data from several years, soils analysis, bacteria and fungi present in both grapes and soils, musts and wines analysis. Each of the terroirs wines under study, were vinified in the same way in order to be able to evaluate their chemical composition by the concentration of phenolic and chemical compounds and also the assessment in a blind tasting, by a panel of winemakers, of the sensory profiles. The results showed that the P9 patch (Chaves) gave rise to a wine of the Alvarinho variety with similar characteristics to a “Monção e Melgaço”. On the other hand, the Mondim de Basto and Vidigueira wines, are the ones that deviate the most from the varietal profile.
Description
Keywords
Solos Clima Microbioma Compostos fenólicos Composto voláteis Perfil sensorial Soils Climate Microbiome Phenolic compounds Volatile compounds Sensory profile