2001
DOI: 10.1590/s0100-204x2001000700008
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Comportamento de ésteres hidroxicinâmicos durante a vinificação de vinhos brancos

Abstract: Resumo _ O objetivo deste trabalho foi determinar o conteúdo de ácido caftárico e cutárico em mostos e vinhos brancos, nos vários estágios da vinificação. Foram utilizadas cultivares de uva branca, Chenin Blanc e Sauvignon Blanc (Vitis vinifera) cultivadas em Santana do Livramento, RS, e Niágara (Vitis labrusca), cultivada em Santa Maria, RS, das safras de 1997, 1998 e 1999. O conteúdo desses compostos foi determinado por meio de cromatografia líquida de alta eficiência, na fase de esmagamento da uva, durante … Show more

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Cited by 5 publications
(2 citation statements)
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“…Other studies that have characterized phenolic acids in grape juice and red wine Vitis labrusca L. cultivars also mentioned the caftaric acid as the main phenolic acid (Magro et al, 2016;Nixdorf & Hermosín-Gutiérrez, 2010;Toaldo et al, 2015). According to Penna and Daudt (2001), caftaric acid is readily oxidisable during wine production steps, especially in fermentations, which could explain the lower values found in wine samples compared with grape juice.…”
Section: Phenolic Acidsmentioning
confidence: 99%
“…Other studies that have characterized phenolic acids in grape juice and red wine Vitis labrusca L. cultivars also mentioned the caftaric acid as the main phenolic acid (Magro et al, 2016;Nixdorf & Hermosín-Gutiérrez, 2010;Toaldo et al, 2015). According to Penna and Daudt (2001), caftaric acid is readily oxidisable during wine production steps, especially in fermentations, which could explain the lower values found in wine samples compared with grape juice.…”
Section: Phenolic Acidsmentioning
confidence: 99%
“…Na classe dos ácidos fenólicos (não-flavonóides) estão os derivados dos ácidos hidroxicinâmico e hidroxibenzóico (Figura 2), freqüentemente na forma de ésteres de ácido tartárico (BARANOWSKI & NAGEL, 1981). Os fenóis ácidos encontram-se distribuídos na casca e na polpa da maioria dos frutos, mas principalmente nas uvas, e seus teores diminuem com o amadurecimento (MACHEIX et al, 1991;PENNA et al, 2001).…”
Section: Quercetinaunclassified