期刊
FERMENTATION-BASEL
卷 8, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/fermentation8080381
关键词
flor yeast; Saccharomyces cerevisiae; sherry; wine; genetic diversity; adaptation
The manufacturing of sherry wines involves the use of specialized yeast strains for biological aging, resulting in unique chemical composition and sensory properties. Modern genetic and biotechnological methods contribute to breeding high-quality yeast strains.
The manufacturing of sherry wines is a unique, carefully regulated process, from harvesting to quality control of the finished product, involving dynamic biological aging in a criadera-solera system or some other techniques. Specialized flor strains of the yeast Saccharomyces cerevisiae play the central role in the sherry manufacturing process. As a result, sherry wines have a characteristic and unique chemical composition that determines their organoleptic properties (such as color, odor, and taste) and distinguishes them from all other types of wine. The use of modern methods of genetics and biotechnology contributes to a deep understanding of the microbiology of sherry production and allows us to define a new methodology for breeding valuable flor strains. This review discusses the main sherry-producing regions and the chemical composition of sherry wines, as well as genetic, oenological, and other selective markers for flor strains that can be used for screening novel candidates that are promising for sherry production among environmental isolates.
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