Cited by 31Fermentation and Sensory AnalysisHorticultural and Viticultural ResearchBiochemical and biochemical processes

The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

Impact of Yeasts Present during Prefermentation Cold Maceration of Pinot noir Grapes on Wine Volatile Aromas

Hall, Harper, Zhou, Qin, Qian, Michael C., Osborne, James P.·2017·American Journal of Enology and Viticulture

Abstract

Yeasts isolated from a prefermentation cold maceration (at 8 to 9°C) of Vitis vinifera L. cv. Pinot noir grapes were evaluated for β-glucosidase activity. Among the 13 distinct yeast isolates investigated, five had β-glucosidase activity. Sequence analysis of the D1/D2 domain of the 26S rDNA gene confirmed the identity of these yeasts as Metschnikowia pulcherrima, Hanseniaspora uvarum, Lachancea thermotolerans, and two isolates of Saccharomyces cerevisiae. The β-glucosidase activity of these yeast isolates was further investigated at different sugar concentrations and temperatures before the isolates were used in the production of Pinot noir wines. Pinot noir grapes sterilized by high hydrostatic pressure were inoculated with the individual yeast species or a mixture of all yeast species. A seven day prefermentation cold maceration (9°C) was then performed, followed by alcoholic fermentation conducted by S. cerevisiae RC212 at 27°C. Pinot noir grapes were also cold-macerated without the addition of any yeast, while fermentations were also undertaken with no cold maceration. Solid-phase microextraction-gas chromatography-mass spectrometry analysis of the wines indicated that the presence of the different yeast species during the prefermentation cold-maceration altered the volatile aroma composition of the wines. These yeasts altered the concentrations of ethyl esters, branch-chained esters, higher alcohols, and some monoterpenes in the wines.

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Crossref · 10.5344/ajev.2016.16046

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Authors
Hall, H., Zhou, Q., Qian, M. C., & Osborne, J. P.
Affiliations
Oregon State University (US)
Venue
American Journal of Enology and Viticulture
Published
2016-09-22
Volume
68
Issue
1
Pages
81-90
ISSN
0002-9254 (ISSN-L)
OpenAlex
W2522659707
Cited by
31
References
39
Citations by year
2025: 7 · 2024: 2 · 2023: 3 · 2022: 3 · 2021: 5 · 2020: 5 · 2019: 2 · 2018: 3
FWCI
2.10
Type
journal article
Language
en
Open access
closed
Locations
American Journal of Enology and Viticulture (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Fermentation and Sensory Analysis
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Horticultural and Viticultural Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Biochemical and biochemical processes
Keywords
Pinot noir, β-glucosidase activity, yeast isolates, Metschnikowia pulcherrima, Hanseniaspora uvarum, Lachancea thermotolerans, Saccharomyces cerevisiae, ethyl esters, higher alcohols, monoterpenes, yeast inoculation

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