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  • 1 Department of Analytical Chemistry, Nutrition and Food Science, University of La Laguna 38201-La Laguna, Tenerife. Spain
  • | 2 Department of Analytical Chemistry, Nutrition and Food Science, University of La Laguna 38201-La Laguna, Tenerife. Spain
  • | 3 ICIA, Food and Agricultural Section, Valle Guerra La Laguna, Tenerife. Spain
  • | 4 Department of Analytical Chemistry, Nutrition and Food Science, University of La Laguna 38201-La Laguna, Tenerife. Spain
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Samples of sweet wines from the Canary Islands belonging to the Denominations of Origin of La Palma and Lanzarote islands were analysed in relation to chemical parameters. The main chemical parameters analysed demonstrated that these wines fulfil all the legal requirements, since the content of all components tested falls below the maximum concentration admissible. Applying techniques of multivariate analysis (principal component, discriminant and cluster analysis), a complete differentiation could be achieved between the wines according to the island of production using only alcohol degree and isobutanol, which are chemical parameters related to the elaboration process.

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