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Navascués EAuthorCalderón FAuthorBenito SAuthor

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July 12, 2017
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Influence of Torulaspora delbrueckii in varietal thiol (3-SH and 4-MSP) release in wine sequential fermentations

Publicated to: INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY. 257 183-191 - 2017-09-18 257(), DOI: 10.1016/j.ijfoodmicro.2017.06.028

Authors:

Belda, I; Ruiz, J; Beisert, B; Navascués, E; Marquina, D; Calderón, F; Rauhut, D; Benito, S; Santos, A
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Affiliations

Agrovin - Author
Department of Food Technology - Author
Department of Microbiology - Author
Department of Microbiology and Biochemistry - Author
Hsch Geisenheim Univ, Dept Microbiol & Biochem - Author
Univ Complutense Madrid, Biol Fac, Dept Microbiol - Author
Univ Politecn Madrid, Escuela Tecn Super Ingenieros Agronomos, Dept Food Technol, Ciudad Univ S-N - Author
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Abstract

In last years, non-Saccharomyces yeasts have emerged as innovative tools to improve wine quality, being able to modify the concentration of sensory-impact compounds. Among them, varietal thiols released by yeasts, play a key role in the distinctive aroma of certain white wines. In this context, Torulaspora delbrueckii is in the spotlight because of its positive contribution to several wine quality parameters. This work studies the physiological properties of an industrial T. delbrueckii strain, for the production of wines with increased thiol concentrations. IRC7 gene, previously described in S. cerevisiae, has been identified in T. delbrueckii, establishing the genetics basis of its thiol-releasing capability. Fermentations involving T. delbrueckii showed improvements on several parameters (such as glycerol content, ethanol index, and major volatile compounds composition), but especially on thiols release. These results confirm the potential of T. delbrueckii on wine improvement, describing new metabolic features regarding the release of cysteinylated aroma precursors.Copyright © 2017 Elsevier B.V. All rights reserved.
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Keywords

4-mspnon-saccharomycestorulaspora delbrueckiivarietal thiols4-mspAlcoholic fermentationAromaGrapeNon-saccharomycesQualityRed winesSaccharomyces-cerevisiaeSauvignon blancSchizosaccharomyces-pombeTorulaspora delbrueckiiVarietal thiolsVolatile sulfur-compoundsWineYeasts

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2017, it was in position 17/133, thus managing to position itself as a Q1 (Primer Cuartil), in the category Food Science & Technology.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 3.54. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 13, 2025)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Weighted Average of Normalized Impact by the Scopus agency: 3.61 (source consulted: FECYT Mar 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2026-04-25, the following number of citations:

  • WoS: 92
  • Scopus: 105
  • Europe PMC: 6
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-25:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 130.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 130 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 36.
  • The number of mentions in news outlets: 5 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/94020/

As a result of the publication of the work in the institutional repository, statistical usage data has been obtained that reflects its impact. In terms of dissemination, we can state that, as of

  • Views: 26
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Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Germany; United States of America.

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