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      Avaliação sensorial de uvas de mesa produzidas no Vale do São Francisco e comercializadas em João Pessoa - PB Translated title: Sensorial evatuation of table grapes produced in the São Francisco Valley and traded in João Pessoa - PB

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          Abstract

          Tomando-se como base o nível crescente de exigência do consumidor por frutas de mesa, as características de qualidade das uvas 'Itália', 'Festival' ('Superior Seedless'), 'Benitaka' e 'Isabel', expostas à venda em três redes de supermercados, na cidade de João Pessoa - Paraíba - Brasil, foram avaliadas em dezembro de 2007. Inicialmente, foram selecionados e treinados julgadores que estabeleceram e definiram os seguintes atributos sensoriais de importância: tonalidade e uniformidade de cor, aroma, firmeza, presença de sementes, suculência, doçura, acidez, sabor e qualidade global. Os diâmetros, comprimentos e pesos das bagas estavam condizentes com os parâmetros comerciais ou varietais. Os conteúdos de sólidos solúveis (SS), com exceção da uva 'Benitaka', apresentaram-se em conformidade com os padrões comerciais. Apenas a cultivar Festival, com a menor acidez titulável (AT), apresentou relação SS/AT aceitável. Foram realizadas três sessões de análises descritivas quantitativas (ADQ), nas quais a uva 'Itália' foi a de melhor sabor e, em conjunto com a apirênica 'Festival', apresentou maiores doçuras e qualidade global. A cultivar Isabel apresentou a cor mais forte , enquanto a Festival foi a melhor no atributo semente. Aplicou-se o Teste de Preferência por Ordenação, no qual as uvas 'Itália' e 'Festival' foram as preferidas.

          Translated abstract

          Taking into account the increasing demand by table fruits consumers, the quality characteristics of the grapes 'Italy', 'Festival' ('Superior Seedless'), 'Benitaka', and 'Isabel' exposed for sale in three supermarket chains from the city of João Pessoa - Paraíba - Brazil, were evaluated in December, 2007. Initially, it was selected and trained judges that established and defined the following sensorial attributes of importance: tonality and color, uniformity, aroma, firmness, presence of seeds, succulence, sweetness, acidity, flavor, and global quality. Diameters, lengths, and weight of berries were in accordance with the commercial or varietals parameters. The contents of soluble solids (SS), except for the 'Benitaka' grape, were in conformity with the commercial standards. Festival cultivar, the one presenting the lowest titratable acidity (TA), was the only one showing acceptable SS/TA ratio. Three sessions of quantitative descriptive analysis (QDA) were performed, in which 'Italy' grape was the one of better flavor and, together with the seedless 'Festival', presented higher sweetness and global quality. Isabel cultivar presented the best color, while Festival was the best for the attribute seed. The test of preference by ordering was applied, in which 'Italy' and 'Festival' grapes were preferred.

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          Most cited references26

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          Official Method of Analysis of AOAC International

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            Handbook of Analysis and Quality Control for Fruits and Vegetables Products

            S Ranganna (1999)
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              Cultivares para a viticultura tropical no Brasil.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbf
                Revista Brasileira de Fruticultura
                Rev. Bras. Frutic.
                Sociedade Brasileira de Fruticultura (Jaboticabal )
                1806-9967
                December 2010
                : 32
                : 4
                : 993-1000
                Affiliations
                [1 ] Universidade Federal da Paraíba Brazil
                [2 ] Universidade Federal da Paraíba Brazil
                [3 ] Embrapa Semiárido Brazil
                Article
                S0100-29452010000400007
                98ba8daa-a162-4818-a3c5-dd2f834c08a3

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-2945&lng=en
                Categories
                HORTICULTURE

                Horticulture
                Postharvest,quality,Vitis,ADQ,Pós-colheita,qualidade,QDA
                Horticulture
                Postharvest, quality, Vitis, ADQ, Pós-colheita, qualidade, QDA

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