Autor segons l'article: Silva, Andrea; Esteve-Zarzoso, Braulio; Garcia-Serrano, Pedro; Garcia-Parrilla, M Carmen; Beltran, Gemma; Torija, Maria-Jesus
Departament: Bioquímica i Biotecnologia
Autor/s de la URV: Beltran Casellas, Gemma / Esteve Zarzoso, Braulio / Torija Martínez, María Jesús
Paraules clau: Zygosaccharomyces rouxii; Torulaspora-delbrueckii; Sulfur-dioxide; Simultaneous inoculation; Saccharomyces cerevisiae; Oenococcus-oeni; Non-saccharomyces yeasts; Microbial consortia; Malolactic fermentation; Lactic-acid bacteria; Lactic acid bacteria; Hydroxytyrosol; Culture; Cerevisiae; Alcoholic fermentation
Resum: Wine results from complex interactions among microorganisms during fermentation, which produce a variety of metabolites, including secondary metabolites derived from aromatic amino acids (AADC) that influence wine quality, stability and bioactivity. Both yeast species and lactic acid bacteria (LAB) can contribute to the formation of these aromatic compounds, highlighting the need to study winemaking as a network of microbial interactions that shape wine's metabolic and analytical profiles. This study aimed to select yeast and LAB strains based on their potential to produce specific AADC compounds, such as tyrosol (TyrOH) and hydroxytyrosol (HT), and to design microbial consortia to enhance their production in wine. Individual screenings of multiple strains of S. cerevisiae, non-Saccharomyces (non-Sac) and LAB were carried out in synthetic must enriched fivefold with aromatic amino acids, quantifying TyrOH and HT production. Two strains each of S. cerevisiae, Zygosaccharomyces rouxii and Oenococcus oeni were selected for their higher AADC production and tested in mixed fermentation strategies combining these microorganisms. Fermentation approaches included single fermentations or co-inoculation of non-Sac and LAB strains, followed by sequential inoculation of S. cerevisiae. Organic acids, microbial population dynamics and AADC production were monitored across different proposed consortia. The combination of S. cerevisiae Lalvin CLOS and Z. rouxii CW96 produced the highest concentrations of HT. All co-inoculations with LAB completed malolactic fermentations efficiently, without increasing acetic acid levels. These results highlight the potential of controlled multi-species fermentations to modulate wine composition and support the development of microbial consortia aimed at improving functional and metabolic profiles.
Àrees temàtiques: Zootecnia / recursos pesqueiros; Saúde coletiva; Química; Odontología; Nutrição; Medicina veterinaria; Medicina ii; Medicina i; Materiais; Matemática / probabilidade e estatística; Interdisciplinar; Food science & technology; Food science; Farmacia; Ensino; Engenharias iv; Engenharias iii; Engenharias ii; Engenharias i; Educação; Ciências biológicas iii; Ciências biológicas ii; Ciências biológicas i; Ciências ambientais; Ciências agrárias i; Ciência de alimentos; Ciência da computação; Biotecnología; Biodiversidade; Astronomia / física; Administração pública e de empresas, ciências contábeis e turismo
Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
Adreça de correu electrònic de l'autor: gemma.beltran@urv.cat; braulio.esteve@urv.cat; braulio.esteve@urv.cat; mjesus.torija@urv.cat
Data d'alta del registre: 2026-03-02
Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
Enllaç font original: https://www.sciencedirect.com/science/article/pii/S0963996926001602?via%3Dihub
URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
Referència a l'article segons font original: Food Research International. 229 PMID 9210143-
Referència de l'ítem segons les normes APA: Silva, Andrea; Esteve-Zarzoso, Braulio; Garcia-Serrano, Pedro; Garcia-Parrilla, M Carmen; Beltran, Gemma; Torija, Maria-Jesus (2026). Tailoring yeast and bacterial consortia to modulate wine fermentation profiles. Food Research International, 229(), PMID 9210143-. DOI: 10.1016/j.foodres.2026.118486
DOI de l'article: 10.1016/j.foodres.2026.118486
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2026-01-24
Tipus de publicació: Journal Publications