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Ciênc. rural ; 25(2): 295-298, 1995. tab
Article in Portuguese | LILACS | ID: lil-529715

ABSTRACT

O experimento foi realizado com a cv. Gewürztraminer proveniente de Santana do Livramento. As videiras desta cultivar foram submetidas a diferentes tratamentos nitrogenados realizados durante o período vegetativo de 1992 a 1993. Após a colheita e esmagamento da uva, o mosto obtido foi dividido em quatro lotes e microvinificado com diferentes leveduras. Durante a fermentação ocorreu uma diminuição na concentração de arginina e um aumento na concentração de uréia, porém da metade para o fim da fermentação as leveduras reabsorveram parte da uréia excretada.


The experiment was done with the grape variety Gewürztraminer from Santana do Livramento, RS. The vineyard was treated with different nitrogen treatments during the 1992-1993 season. After harvest and crush, the must from each treatment was divided into four lots, and in each one was added a different yeast. During fermentation arginine decreased and urea increased. However, near the end of the fermentation process the available N urea started to be absorbed by the yeast.

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