Recent Research in Wine Microbiology

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Drinks and Liquid Nutrition".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 2129

Special Issue Editors


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Guest Editor
Departament de Bioquímica i Biotecnologia, Facultat d'Enologia, Universitat Rovira i Virgili, Campus Sescelades N4, c/ Marcel.lí Domingo, 1, 43007 Tarragona, Catalonia, Spain
Interests: lactic acid bacteria; wine; Oenococcus; food microbiology; fermented foods

E-Mail Website
Guest Editor
Departament de Bioquímica i Biotecnologia, Facultat d'Enologia, Universitat Rovira i Virgili, Campus Sescelades N4, c/ Marcel.lí Domingo, 1, 43007 Tarragona, Catalonia, Spain
Interests: lactic acid bacteria; wine; Oenococcus; food microbiology; fermented foods

Special Issue Information

Dear Colleagues,

Wine production is essentially a microbiological process driven by vineyard and winery anthropogenic factors. Yeasts are the main agents of alcoholic fermentation, transforming most sugars into ethanol, and malolactic fermentation can also happen, in which lactic acid bacteria (LAB) transform the malic acid into lactic acid. Although often yeasts (Saccharomyces cerevisiae) and occasionally LAB (mainly Oenococcus oeni) are inoculated, since the must is not sterilized, the natural microbial diversity of the grapes and cellars plays a relevant role. Of course, the other anthropic activities, such as the treatments in the vineyard and vinification operations, greatly modify this microbial diversity. For instance, non-Saccharomyces yeasts have increasingly been studied and used, because they modulate the chemistry of wine by releasing aroma and other compounds and can decrease the ethanol concentration. On the other hand, this diversity includes some microorganisms to be avoided or inhibited, since they can cause harmful effects or impair the quality of the wine, such as acetic acid bacteria, some LAB, or some yeasts as Brettanomyces.

The current Special Issue will publish recent research in wine microbiology considering all these mentioned aspects, as well as the interactions between the different microorganisms. New systems biology and omics technologies are increasingly used, to better understand the intracellular and extracellular molecular mechanisms, as well as to know the microbial diversity from grape to wine.

Prof. Dr. Albert Bordons
Prof. Dr. Cristina Reguant
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Foods is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • wine microbiology
  • alcoholic fermentation
  • malolactic fermentation
  • wine yeasts
  • wine bacteria
  • Oenococcus
  • acetic acid bacteria
  • Saccharomyces
  • microbial interactions in wine

Published Papers (1 paper)

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Research

14 pages, 1560 KiB  
Article
Detection of Microbiota during the Fermentation Process of Wine in Relation to the Biogenic Amine Content
by Ivana Regecová, Boris Semjon, Pavlina Jevinová, Peter Očenáš, Jana Výrostková, Lucia Šuľáková, Erika Nosková, Slavomír Marcinčák and Martin Bartkovský
Foods 2022, 11(19), 3061; https://doi.org/10.3390/foods11193061 - 02 Oct 2022
Cited by 1 | Viewed by 1614
Abstract
Viticulture is one of the traditional industries in Slovakia, where there are six wine-growing regions: Malokarpatska, Southern Slovakia, Central Slovakia, Nitra, Eastern Slovakia, and Tokaj. This study focuses on the detection of microbiota in soil samples, grape leaves and berries, and samples taken [...] Read more.
Viticulture is one of the traditional industries in Slovakia, where there are six wine-growing regions: Malokarpatska, Southern Slovakia, Central Slovakia, Nitra, Eastern Slovakia, and Tokaj. This study focuses on the detection of microbiota in soil samples, grape leaves and berries, and samples taken from fermenting must and young wine (the variety Tramín červený) in relation to the detected concentrations of biogenic amines during the fermentation process. In the examined samples, the number of yeasts and molds (from 3.8 to 6.8 log cfu/g or mL) and TVC (from 3.7 to 6.5 log cfu/g or mL) were determined via culture examination. At the same time, the number of LAB (from ˂3.0 to 4.4 log cfu/g or mL) was determined, which was the highest on day 4 of the must fermentation process and was related to the detected of the highest concentration of biogenic amines (histamine and tyramine) on day 6 in the investigated must samples using the UHPLC system. Mycobiota species were identified by MALDI-TOF MS, PCR, ITS-PCR-RFLP, and PCR sequencing of the amplified products. The study confirmed the presence of the yeasts Saccharomyces cerevisiae, Metschnikowia pulcherrima, Hanseniospora uvarum, Pichia kudriavzevii, Pichia kluyveri, Pichia fermentas, Torulaspora delbrueckii, and Candida tenuis. At the same time, the presence of molds (Cladosporium herbarum, Cladosporium cladosporioides, Penicillium granulatum, Penicillium mononematosum, Botritis cinerea, and Penicillium glabrum) was also confirmed in soil samples, leaves, grape berries, and fresh grape must. The study confirmed the reduction in the species diversity of the microbiota during the must fermentation process, which resulted in decreases in the concentrations of the monitored biogenic amines in the early stages of the must fermentation process and young wine of the variety Tramín červený. Full article
(This article belongs to the Special Issue Recent Research in Wine Microbiology)
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