Browsing Centro Regional Mendoza - San Juan by Author
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Browsing Centro Regional Mendoza - San Juan by Author "Heras, José María"
Effect of non-wine Saccharomyces yeasts and bottle aging on the release and generation of aromas in semi-synthetic Tempranillo wines Perez, Maria Dolores; Denat, Marie; Heras, José María; Guillamón, José Manuel; Ferreira, Vicente; Querol, Amparo (Elsevier, 2022-03)Interest in the use of non-conventional yeasts in wine fermentation has been increased in the last years in the wine sector. The main objective of this manuscript was to explore the aromatic diversity produced by wild and ...
Generation of intra- and interspecific Saccharomyces hybrids with improved oenological and aromatic properties Perez, Maria Dolores; Denat, Marie; Pérez-Través, Laura; Heras, José María; Guillamón, José Manuel; Ferreira, Vicente; Querol, Amparo (Wiley, 2022-04)Non-wine yeasts could enhance the aroma and organoleptic profile of wines. However, compared to wine strains, they have specific intolerances to winemaking conditions. To solve this problem, we generated intra- and ...
Screening of Saccharomyces strains for the capacity to produce desirable fermentative compounds under the influence of different nitrogen sources in synthetic wine fermentations Perez, Maria Dolores; Jaehde, Inés; Guillamón, José Manuel; Heras, José María; Querol, Amparo (Elsevier, 2021-02)A collection of 33 Saccharomyces yeasts were used for wine fermentation with a sole nitrogen source: ammonium and four individual aroma-inducing amino acids. The fermentation performance and chemical wine composition were ...
The effects of Saccharomyces cerevisiae strains carrying alcoholic fermentation on the fermentative and varietal aroma profiles of young and aged Tempranillo wines Denat, Marie; Perez, Maria Dolores; Heras, José María; Querol, Amparo; Ferreira, Vicente (Elsevier, 2021-03)Ten different Saccharomyces cerevisiae strains fermented semi-synthetic musts containing a Polyphenolic and Aroma Precursor Fraction (PAF) extracted from Tempranillo grapes. Aroma compounds were studied by Gas Chromatography ...