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Sizzano F, Blackford M, Berthoud H, Amiet L, Bailly S, Vuichard F, Monnard C, Bieri S, Spring JL, Barth Y, Descombes C, Lefort F, Cléroux M, Simonin S, Chappuis C, Bourdin G, Bach B. Bioprospecting of a Metschnikowia pulcherrima Indigenous Strain for Chasselas Winemaking in 2022 Vintage. Foods 2023; 12:4485. [PMID: 38137289 PMCID: PMC10742927 DOI: 10.3390/foods12244485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 12/08/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
Interest in Metschnikowia (M.) pulcherrima is growing in the world of winemaking. M. pulcherrima is used both to protect musts from microbial spoilage and to modulate the aromatic profile of wines. Here, we describe the isolation, characterization, and use of an autochthonous strain of M. pulcherrima in the vinification of Chasselas musts from the 2022 vintage. M. pulcherrima was used in co-fermentation with Saccharomyces cerevisiae at both laboratory and experimental cellar scales. Our results showed that M. pulcherrima does not ferment sugars but has high metabolic activity, as detected by flow cytometry. Furthermore, sensory analysis showed that M. pulcherrima contributed slightly to the aromatic profile when compared to the control vinifications. The overall results suggest that our bioprospecting strategy can guide the selection of microorganisms that can be effectively used in the winemaking process.
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Affiliation(s)
- Federico Sizzano
- Oenology Research Group, Department of Plant Production Systems, Agroscope, 1260 Nyon, Switzerland; (M.B.); (L.A.); (S.B.); (G.B.)
| | - Marie Blackford
- Oenology Research Group, Department of Plant Production Systems, Agroscope, 1260 Nyon, Switzerland; (M.B.); (L.A.); (S.B.); (G.B.)
- Viticulture and Oenology, HES-SO University of Applied Sciences and Arts Western Switzerland, 1260 Nyon, Switzerland; (M.C.); (S.S.); (C.C.); (B.B.)
| | - Hélène Berthoud
- Ferments Research Group, Department of Development of Analytical Methods, Agroscope, 3003 Liebefeld, Switzerland;
| | - Laurent Amiet
- Oenology Research Group, Department of Plant Production Systems, Agroscope, 1260 Nyon, Switzerland; (M.B.); (L.A.); (S.B.); (G.B.)
| | - Sébastien Bailly
- Oenology Research Group, Department of Plant Production Systems, Agroscope, 1260 Nyon, Switzerland; (M.B.); (L.A.); (S.B.); (G.B.)
| | - Frédéric Vuichard
- Wine Quality Group, Department of Development of Analytical Methods, Agroscope, 1260 Nyon, Switzerland; (F.V.); (C.M.); (S.B.)
| | - Christine Monnard
- Wine Quality Group, Department of Development of Analytical Methods, Agroscope, 1260 Nyon, Switzerland; (F.V.); (C.M.); (S.B.)
| | - Stefan Bieri
- Wine Quality Group, Department of Development of Analytical Methods, Agroscope, 1260 Nyon, Switzerland; (F.V.); (C.M.); (S.B.)
| | - Jean-Laurent Spring
- Viticulture Research Group, Department of Plant Production Systems, Agroscope, 1009 Pully, Switzerland;
| | - Yannick Barth
- Plants and Pathogens Research Group, Geneva School of Engineering, Architecture, and Landscape (HEPIA), HES-SO University of Applied Sciences and Arts Western Switzerland, 1202 Geneva, Switzerland; (Y.B.); (C.D.); (F.L.)
| | - Corentin Descombes
- Plants and Pathogens Research Group, Geneva School of Engineering, Architecture, and Landscape (HEPIA), HES-SO University of Applied Sciences and Arts Western Switzerland, 1202 Geneva, Switzerland; (Y.B.); (C.D.); (F.L.)
| | - François Lefort
- Plants and Pathogens Research Group, Geneva School of Engineering, Architecture, and Landscape (HEPIA), HES-SO University of Applied Sciences and Arts Western Switzerland, 1202 Geneva, Switzerland; (Y.B.); (C.D.); (F.L.)
| | - Marilyn Cléroux
- Viticulture and Oenology, HES-SO University of Applied Sciences and Arts Western Switzerland, 1260 Nyon, Switzerland; (M.C.); (S.S.); (C.C.); (B.B.)
| | - Scott Simonin
- Viticulture and Oenology, HES-SO University of Applied Sciences and Arts Western Switzerland, 1260 Nyon, Switzerland; (M.C.); (S.S.); (C.C.); (B.B.)
| | - Charles Chappuis
- Viticulture and Oenology, HES-SO University of Applied Sciences and Arts Western Switzerland, 1260 Nyon, Switzerland; (M.C.); (S.S.); (C.C.); (B.B.)
| | - Gilles Bourdin
- Oenology Research Group, Department of Plant Production Systems, Agroscope, 1260 Nyon, Switzerland; (M.B.); (L.A.); (S.B.); (G.B.)
| | - Benoît Bach
- Viticulture and Oenology, HES-SO University of Applied Sciences and Arts Western Switzerland, 1260 Nyon, Switzerland; (M.C.); (S.S.); (C.C.); (B.B.)
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Comuzzo P, del Fresno JM, Voce S, Loira I, Morata A. Emerging biotechnologies and non-thermal technologies for winemaking in a context of global warming. Front Microbiol 2023; 14:1273940. [PMID: 37869658 PMCID: PMC10588647 DOI: 10.3389/fmicb.2023.1273940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 09/12/2023] [Indexed: 10/24/2023] Open
Abstract
In the current situation, wine areas are affected by several problems in a context of global warming: asymmetric maturities, pH increasing, high alcohol degree and flat wines with low freshness and poor aroma profile. The use of emerging biotechnologies allows to control or manage such problems. Emerging non-Saccharomyces as Lachancea thermotolerans are very useful for controlling pH by the formation of stable lactic acid from sugars with a slight concomitant alcohol reduction. Lower pH improves freshness increasing simultaneously microbiological stability. The use of Hanseniaspora spp. (specially H. vineae and H. opuntiae) or Metschnikowia pulcherrima promotes a better aroma complexity and improves wine sensory profile by the expression of a more complex metabolic pattern and the release of extracellular enzymes. Some of them are also compatible or synergic with the acidification by L. thermotolerans, and M. pulcherrima is an interesting biotool for reductive winemaking and bioprotection. The use of bioprotection is a powerful tool in this context, allowing oxidation control by oxygen depletion, the inhibition of some wild microorganisms, improving the implantation of some starters and limiting SO2. This can be complemented with the use of reductive yeast derivatives with high contents of reducing peptides and relevant compounds such as glutathione that also are interesting to reduce SO2. Finally, the use of emerging non-thermal technologies as Ultra High-Pressure Homogenization (UHPH) and Pulsed Light (PL) increases wine stability by microbial control and inactivation of oxidative enzymes, improving the implantation of emerging non-Saccharomyces and lowering SO2 additions. GRAPHICAL ABSTRACT.
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Affiliation(s)
- Piergiorgio Comuzzo
- Dipartimento di Scienze Agroalimentari, Ambientali e Animali, Università degli Studi di Udine, Udine, Italy
| | | | - Sabrina Voce
- Dipartimento di Scienze Agroalimentari, Ambientali e Animali, Università degli Studi di Udine, Udine, Italy
| | - Iris Loira
- enotecUPM, Universidad Politécnica de Madrid, Madrid, Spain
| | - Antonio Morata
- enotecUPM, Universidad Politécnica de Madrid, Madrid, Spain
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Torrellas M, Pietrafesa R, Ferrer-Pinós A, Capece A, Matallana E, Aranda A. Optimizing growth and biomass production of non- Saccharomyces wine yeast starters by overcoming sucrose consumption deficiency. Front Microbiol 2023; 14:1209940. [PMID: 37346752 PMCID: PMC10280074 DOI: 10.3389/fmicb.2023.1209940] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 05/22/2023] [Indexed: 06/23/2023] Open
Abstract
The use of non-Saccharomyces yeasts as starters in winemaking has increased exponentially in the last years. For instance, non-conventional yeasts have proven useful for the improvement of the organoleptic profile and biocontrol. Active dry yeast starter production has been optimized for Saccharomyces cerevisiae, which may entail problems for the propagation of non-Saccharomyces yeasts. This work shows that the poor growth of Hanseniaspora vineae and Metschnikowia pulcherrima in molasses is related to a deficient sucrose consumption, linked to their low invertase activity. In order to address this issue, simple modifications to the cultivation media based hydrolysis and the reduction of sucrose concentration were performed. We performed biomass propagation simulations at a bench-top and bioreactor scale. The results show that cultivation in a hexose-based media improved biomass production in both species, as it solves their low invertase activity. The reduction in sugar concentration promoted a metabolic shift to a respiratory metabolism, which allowed a higher biomass yield, but did not improve total biomass production, due to the lower sugar availability. To evaluate the technological performance of these adaptations, we performed mixed grape juice fermentations with biomass produced in such conditions of M. pulcherrima and S. cerevisiae. The analysis of wines produced revealed that the different treatments we have tested did not have any negative impact on wine quality, further proving their applicability at an industrial level for the improvement of biomass production.
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Affiliation(s)
- Max Torrellas
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, Valencia, Spain
| | - Rocchina Pietrafesa
- School of Agricultural, Forestry, Food and Environmental Sciences, University of Basilicata, Potenza, Italy
| | - Aroa Ferrer-Pinós
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, Valencia, Spain
| | - Angela Capece
- School of Agricultural, Forestry, Food and Environmental Sciences, University of Basilicata, Potenza, Italy
| | - Emilia Matallana
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, Valencia, Spain
| | - Agustín Aranda
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, Valencia, Spain
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