Influence of decantation of viura must on the cation content. Evolution during wine fermentation and stabilization |
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Authors: | S Rodríguez Mozaz A García Sotro J Garrido Segovia C Ancín Azpilicueta |
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Affiliation: | Department Química Aplicada, Universidad Pública de Navarra, Campus Arrosadía s/n, 31006 Pamplona, Spain |
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Abstract: | Must has many metallic cations which greatly affect wine fermentation, stability and quality. In this study we investigated the influence of clarification of viura must by static sedimentation studying the concentration of four macroelements (potassium, calcium, magnesium and sodium) and of four oligoelements (iron, copper, zinc and manganese). This treatment eliminated potassium (11%), calcium (25%), and a greater proportion of iron (46%). The evolution of cations during fermentation was similar in the clarified sample and in the control. Both young and stablised wines had similar concentrations of these elements. |
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Keywords: | Viura must Clarification Static sedimentation Metallic cations |
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