1
tesis de grado
Publicado 2001
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The present paper is briented to elaborating of wine from grape variety Borgoña negra (Vitis labrusca), through grape must concentration. The grape variety Borgoña negra, is cultivated in the Districts of San Antonio of Cumbaza and Tarapoto Province of San Martin, it is a variety that has low contents of soluble solids, elevated acidity, good aroma and color. This study comprehendes three stages, the first where was detennine to find optimum temperature of concentration, which has essayed treatments at 50, 60, 70 and 80 ºC, grape must was concentrated to 40 ºBrix. It has evaluated physical chemical characteristics at the beginning and final of concentration, and sensorial analysis, throuhg affective test (5 points hedonical scale method) that it detennined the best concentration temperature at 50 ºC. Second stage, was essayed to elaborating of wine utilizing concentrated juice of 30...