Impact of the genetic improvement of fermenting yeasts on the organoleptic properties of beer
2023
Astola González, Antonio | Durán Guerrero, Enrique | Díaz Sánchez, Ana Belén | Lasanta Melero, Cristina | Castro Mejías, Remedios | Biomedicina, Biotecnología y Salud Pública | Ingeniería Química y Tecnología de Alimentos | Química Analítica
The brewing industry has experienced a significant boom in recent years through the emergence of, on the one hand, craft breweries that produce beers with unique organoleptic characteristics, and, on the other hand, the brewing of a significant number of beers using hybridized or genetically modified microorganisms with the aim of improving both the brewing processes and the final products. This review covers the influence from yeast strains on the organoleptic properties of the final beers and also the main hybridization and genetic modification methods applied to such yeast strains with the aim of improving the sensory characteristics of the product obtained and/or the brewing process. Different approaches to the phenotypic modification of the yeasts used in beer brewing have arisen in recent years. These are dealt with in this work, with special emphasis on the methodology followed as well as on the effects of the same on the brewing process and/or on the final product
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