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Sherry Wines-Chapter 2

Authors
Publisher
Elsevier Science & Technology
Publication Date
Identifiers
DOI: 10.1016/b978-0-12-384927-4.00002-6
Keywords
  • Sherry Wines
  • Wine Technology
  • Biological Aging
  • Flor Yeast Microbiota
  • Oxidative Aging
  • Chemical Composition
  • Aroma And Sensory Characteristics
Disciplines
  • Biology
  • Chemistry

Abstract

Abstract Sherry wines are among the most distinctive Spanish wines, mainly produced in the southern Spain (particularly in Jerez and Montilla-Moriles), using traditional practices aimed at ensuring uniform quality and characteristics over time. Several types of Sherry wines are produced depending on the winemaking conditions. Fino-type wines are characterized by a dynamic biological aging, in which a layer of yeast grows in the surface of the wine ( flor velum). On the contrary, Oloroso-type sherry wines are subjected to an oxidative aging, while Amontillado-type Sherries are produced by combining both production systems. Therefore, these wines undergo different biological and chemical processes that affect distinctively their chemical composition and their aroma and sensory characteristics. Through this review, the main aspects involved in the winemaking technology of sherry wines, and the latest scientific findings related to the microbiota of the flor film and other aspects associated to the changes in their chemical and sensory composition during aging will be revised. Some new trends in sherry wine technology focused on the acceleration of the biological aging or the use of organic grapes will be also considered.

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