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Zhao N, Kokawa M, Amini RK, Dong W, Kitamura Y. Isolation of Yeast and LAB from Dry Coffee Pulp and Monitoring of Organic Acids in Inoculated Green Beans. Foods 2023; 12:2622. [PMID: 37444360 DOI: 10.3390/foods12132622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/01/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023] Open
Abstract
Yeast and lactic acid bacteria (LAB) are known to play an important role in the fermentation process of coffee post-harvest. This study aimed to isolate and screen yeast and LAB to be applied in lab-scale refermentation of commercial green coffee beans and coffee pulp with the aim of modifying the composition of organic acids (OAs) in coffee beans. Yeast and LAB strains were isolated from green coffee beans and dry coffee pulp and identified, and their effect on OA concentration in the coffee beans was quantified. In addition, the effects of different fermentation conditions (additional carbon source, different inoculum dose, and different types of coffee pulp) were evaluated based on OA quantification. Nine yeast isolates of Rhodotorula mucilaginosa and Wickerhamomyces anomalus were identified, and 11 LAB isolates of the species Enterococcus mundtii were identified. Of the 7 OAs quantified, quinic acid was the most abundant. The inoculation of isolated yeasts and LAB led to higher concentrations of OAs, showing the potential to realize modification of the OA composition of green coffee beans by re-fermentation with coffee-originated isolates.
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Affiliation(s)
- Na Zhao
- Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8572, Ibaraki, Japan
| | - Mito Kokawa
- Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennnodai, Tsukuba 305-8572, Ibaraki, Japan
| | - Rasool Khan Amini
- Saza Coffee Holdings Ltd., 8-18 Kyoeicho, Hitachinaka 312-0043, Ibaraki, Japan
| | - Weixue Dong
- Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8572, Ibaraki, Japan
| | - Yutaka Kitamura
- Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennnodai, Tsukuba 305-8572, Ibaraki, Japan
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2
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Gao Y, Wang X, Ai J, Huang W, Zhan J, You Y. Formation of vinylphenolic pyranoanthocyanins by selected indigenous yeasts displaying high hydroxycinnamate decarboxylase activity during mulberry wine fermentation and aging. Food Microbiol 2023; 113:104272. [PMID: 37098424 DOI: 10.1016/j.fm.2023.104272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/24/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023]
Abstract
The color of mulberry wine is difficult to maintain since the main chromogenic substances, anthocyanins, are severely degraded during fermentation and aging. This study selected Saccharomyces cerevisiae I34 and Wickerhamomyces anomalus D6, both displaying high hydroxycinnamate decarboxylase (HCDC) activity (78.49% and 78.71%), to enhance the formation of stable vinylphenolic pyranoanthocyanins (VPAs) pigments during mulberry wine fermentation. The HCDC activity of 84 different strains from eight regions in China was primarily screened via the deep well plate micro fermentation method, after which the tolerance and brewing characteristics were evaluated via simulated mulberry juice. The two selected strains and a commercial Saccharomyces cerevisiae were then inoculated individually or sequentially into the fresh mulberry juice, while the anthocyanin precursors and VPAs were identified and quantified via UHPLC-ESI/MS. The results showed that the HCDC-active strains facilitated the synthesis of stable pigments, cyanidin-3-O-glucoside-4-vinylcatechol (VPC3G), and cyanidin-3-O-rutinoside-4-vinylcatechol (VPC3R), highlighting its potential for enhancing color stability.
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3
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Improving the Aromatic Profiles of Catarratto Wines: Impact of Metschnikowia pulcherrima and Glutathione-Rich Inactivated Yeasts. Antioxidants (Basel) 2023; 12:antiox12020439. [PMID: 36829997 PMCID: PMC9952006 DOI: 10.3390/antiox12020439] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023] Open
Abstract
Catarratto is one of the most widely cultivated grape varieties in Sicily. It is an indigenous non-aromatic white grape variety. Despite its widespread use in winemaking, knowledge of the aroma and chemical and microbiological properties of Catarratto wines is quite limited. The influence of Metschnikowia pulcherrima combined with Saccharomyces cerevisiae on the aromatic expression of Catarratto wines was investigated with and without the addition of glutathione-rich inactivated yeast. The substance is a natural specific inactivated yeast with a guaranteed glutathione level used to limit oxidative processes. The aromatic profiles of the final wines were determined through analysis of the volatile organic compounds using a solid-phase microextraction technique that identified 26 aromatic compounds. The addition of M. pulcherrima in combination with the natural antioxidant undoubtedly increased the aromatic complexity of the wines. Dodecanal was exclusively detected in the wines processed with glutathione-rich inactivated yeasts. Furthermore, the presence of this natural antioxidant increased the concentration of six esters above the perception threshold. Sensory analysis was also performed with a panel of trained judges who confirmed the aromatic differences among the wines. These results suggest the suitability of glutathione-rich inactivated yeasts for determining the oxidative stability of Catarratto wines, thus preserving its aromatic compounds and colour.
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4
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Comparison of potential Wickerhamomyces anomalus to improve the quality of Cabernet Sauvignon wines by mixed fermentation with Saccharomyces cerevisiae. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2022.114285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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5
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LIU J, LIU M, LIU Y, HE C, HUANG J, ZHANG S, ZHOU R, ZHOU J, CAI L. Split batch and coculture fermentation to regulate the organic acids and flavor profile of fruit wine-a case study of Prunus mume Sieb. et Zucc (greengage) wine. FOOD SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1590/fst.107622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Jian LIU
- Sichuan University, China; Chinese Academy of Agricultural Sciences, China
| | - Miao LIU
- Luzhoulaojiao Company Limited, China
| | | | - Cheng HE
- Luzhoulaojiao Company Limited, China
| | | | | | - Rongqing ZHOU
- Sichuan University, China; National Engineering Research Centre of Solid-state Brewing, China; Sichuan University, China
| | - Jun ZHOU
- Luzhoulaojiao Company Limited, China
| | - Liang CAI
- Luzhoulaojiao Company Limited, China
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LEAL JUNIOR GA, TITO TM, MARQUES MBM, SILVA APMD, OLIVEIRA MPMD, GOMES LH, COELHO IDS, FIGUEIRA A. Fermentation box cleaning can impair cacao seed fermentation. FOOD SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1590/fst.109322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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7
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Miguel GA, Carlsen S, Arneborg N, Saerens SM, Laulund S, Knudsen GM. Non-Saccharomyces yeasts for beer production: Insights into safety aspects and considerations. Int J Food Microbiol 2022; 383:109951. [DOI: 10.1016/j.ijfoodmicro.2022.109951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 09/14/2022] [Accepted: 09/22/2022] [Indexed: 11/05/2022]
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8
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Role of Yeasts on the Sensory Component of Wines. Foods 2022; 11:foods11131921. [PMID: 35804735 PMCID: PMC9265420 DOI: 10.3390/foods11131921] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 06/21/2022] [Accepted: 06/24/2022] [Indexed: 12/13/2022] Open
Abstract
The aromatic complexity of a wine is mainly influenced by the interaction between grapes and fermentation agents. This interaction is very complex and affected by numerous factors, such as cultivars, degree of grape ripeness, climate, mashing techniques, must chemical−physical characteristics, yeasts used in the fermentation process and their interactions with the grape endogenous microbiota, process parameters (including new non-thermal technologies), malolactic fermentation (when desired), and phenomena occurring during aging. However, the role of yeasts in the formation of aroma compounds has been universally recognized. In fact, yeasts (as starters or naturally occurring microbiota) can contribute both with the formation of compounds deriving from the primary metabolism, with the synthesis of specific metabolites, and with the modification of molecules present in the must. Among secondary metabolites, key roles are recognized for esters, higher alcohols, volatile phenols, sulfur molecules, and carbonyl compounds. Moreover, some specific enzymatic activities of yeasts, linked above all to non-Saccharomyces species, can contribute to increasing the sensory profile of the wine thanks to the release of volatile terpenes or other molecules. Therefore, this review will highlight the main aroma compounds produced by Saccharomyces cerevisiae and other yeasts of oenological interest in relation to process conditions, new non-thermal technologies, and microbial interactions.
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Morata A, Arroyo T, Bañuelos MA, Blanco P, Briones A, Cantoral JM, Castrillo D, Cordero-Bueso G, Del Fresno JM, Escott C, Escribano-Viana R, Fernández-González M, Ferrer S, García M, González C, Gutiérrez AR, Loira I, Malfeito-Ferreira M, Martínez A, Pardo I, Ramírez M, Ruiz-Muñoz M, Santamaría P, Suárez-Lepe JA, Vilela A, Capozzi V. Wine yeast selection in the Iberian Peninsula: Saccharomyces and non- Saccharomyces as drivers of innovation in Spanish and Portuguese wine industries. Crit Rev Food Sci Nutr 2022; 63:10899-10927. [PMID: 35687346 DOI: 10.1080/10408398.2022.2083574] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Yeast selection for the wine industry in Spain started in 1950 for the understanding of the microbial ecology, and for the selection of optimal strains to improve the performance of alcoholic fermentation and the overall wine quality. This process has been strongly developed over the last 30 years, firstly on Saccharomyces cerevisiae, and, lately, with intense activity on non-Saccharomyces. Several thousand yeast strains have been isolated, identified and tested to select those with better performance and/or specific technological properties. The present review proposes a global survey of this massive ex-situ preservation of eukaryotic microorganisms, a reservoir of biotechnological solutions for the wine sector, overviewing relevant screenings that led to the selection of strains from 12 genera and 22 species of oenological significance. In the first part, the attention goes to the selection programmes related to relevant wine-producing areas (i.e. Douro, Extremadura, Galicia, La Mancha and Uclés, Ribera del Duero, Rioja, Sherry area, and Valencia). In the second part, the focus shifted on specific non-Saccharomyces genera/species selected from different Spanish and Portuguese regions, exploited to enhance particular attributes of the wines. A fil rouge of the dissertation is the design of tailored biotechnological solutions for wines typical of given geographic areas.
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Affiliation(s)
- A Morata
- EnotecUPM, ETSIAAB, Universidad Politécnica de Madrid, Madrid, Spain
| | - T Arroyo
- Departamento de Investigación Agroalimentaria, IMIDRA, Finca El Encín, Madrid, Spain
| | - M A Bañuelos
- EnotecUPM, ETSIAAB, Universidad Politécnica de Madrid, Madrid, Spain
| | - P Blanco
- Estación de Viticultura e Enoloxía de Galicia (EVEGA-AGACAL), Leiro, Ourense, Spain
| | - A Briones
- Tecnología de alimentos, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha, Ciudad Real, Spain
| | - J M Cantoral
- Laboratorio de Microbiología. Dept. de Biomedicina, Biotecnología y Salud Pública. Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Puerto Real, Cádiz, Spain
| | - D Castrillo
- Estación de Viticultura e Enoloxía de Galicia (EVEGA-AGACAL), Leiro, Ourense, Spain
| | - G Cordero-Bueso
- Laboratorio de Microbiología. Dept. de Biomedicina, Biotecnología y Salud Pública. Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Puerto Real, Cádiz, Spain
| | - J M Del Fresno
- EnotecUPM, ETSIAAB, Universidad Politécnica de Madrid, Madrid, Spain
| | - C Escott
- EnotecUPM, ETSIAAB, Universidad Politécnica de Madrid, Madrid, Spain
| | - R Escribano-Viana
- Finca La Grajera, Instituto de Ciencias de la Vid y el Vino (Universidad de La Rioja, Gobierno de La Rioja, CSIC), Logroño, Spain
| | - M Fernández-González
- Tecnología de alimentos, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha, Ciudad Real, Spain
| | - S Ferrer
- ENOLAB, Institut de Biotecnologia i Biomedicina (BioTecMed), Universitat de València, Valencia, Spain
| | - M García
- Departamento de Investigación Agroalimentaria, IMIDRA, Finca El Encín, Madrid, Spain
| | - C González
- EnotecUPM, ETSIAAB, Universidad Politécnica de Madrid, Madrid, Spain
| | - A R Gutiérrez
- Finca La Grajera, Instituto de Ciencias de la Vid y el Vino (Universidad de La Rioja, Gobierno de La Rioja, CSIC), Logroño, Spain
| | - I Loira
- EnotecUPM, ETSIAAB, Universidad Politécnica de Madrid, Madrid, Spain
| | - M Malfeito-Ferreira
- Departamento Recursos Naturais Ambiente e Território (DRAT), Linking Landscape Environment Agriculture and Food Research Centre (LEAF), Instituto Superior de Agronomía, Tapada da Ajuda, Lisboa, Portugal
| | - A Martínez
- Departamento de Ciencias Biomédicas, Facultad de Ciencias (Edificio Antiguo Rectorado), Universidad de Extremadura, Badajoz, Spain
| | - I Pardo
- ENOLAB, Institut de Biotecnologia i Biomedicina (BioTecMed), Universitat de València, Valencia, Spain
| | - M Ramírez
- Departamento de Ciencias Biomédicas, Facultad de Ciencias (Edificio Antiguo Rectorado), Universidad de Extremadura, Badajoz, Spain
| | - M Ruiz-Muñoz
- Laboratorio de Microbiología. Dept. de Biomedicina, Biotecnología y Salud Pública. Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Puerto Real, Cádiz, Spain
| | - P Santamaría
- Finca La Grajera, Instituto de Ciencias de la Vid y el Vino (Universidad de La Rioja, Gobierno de La Rioja, CSIC), Logroño, Spain
| | - J A Suárez-Lepe
- EnotecUPM, ETSIAAB, Universidad Politécnica de Madrid, Madrid, Spain
| | - A Vilela
- CQ-VR, Chemistry Research Centre, School of Life and Environmental Sciences (ECVA), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - V Capozzi
- National Research Council (CNR) of Italy, c/o CS-DAT, Institute of Sciences of Food Production, Foggia, Italy
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Liu J, Liu M, Ye P, He C, Liu Y, Zhang S, Huang J, Zhou J, Zhou R, Cai L. Ethyl esters enhancement of Jinchuan pear wine studied by coculturing Saccharomyces bayanus with Torulaspora delbrueckii and their community and interaction characteristics. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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11
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Pinto FO, Lopes T, Vieira AM, Oliveira RO, Gomes FF, Fabricio MF, Ayub MAZ, Mendes SDC, Pagani DM, Valente P. Isolation, Selection and Characterization of Wild Yeasts with Potential for Brewing. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2022. [DOI: 10.1080/03610470.2022.2031777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Fernanda Otesbelgue Pinto
- Mycology Group, Department of Microbiology, Immunology and Parasitology, Universidade Federal do Rio Grande do Sul – UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Thais Lopes
- Mycology Group, Department of Microbiology, Immunology and Parasitology, Universidade Federal do Rio Grande do Sul – UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Audren Monteiro Vieira
- Mycology Group, Department of Microbiology, Immunology and Parasitology, Universidade Federal do Rio Grande do Sul – UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Renata Ott Oliveira
- Mycology Group, Department of Microbiology, Immunology and Parasitology, Universidade Federal do Rio Grande do Sul – UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Fernanda Fraga Gomes
- Mycology Group, Department of Microbiology, Immunology and Parasitology, Universidade Federal do Rio Grande do Sul – UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Mariana Fensterseifer Fabricio
- Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute, Universidade Federal do Rio Grande do Sul – UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Marco Antônio Zachia Ayub
- Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute, Universidade Federal do Rio Grande do Sul – UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Sandra Denise Camargo Mendes
- Laboratory of Analysis of Wines and Derivatives, Experimental Station of Videira, Santa Catarina State Agricultural Research and Rural Extension Agency – EPAGRI, Videira, Santa Catarina, Brazil
| | - Danielle Machado Pagani
- Mycology Group, Department of Microbiology, Immunology and Parasitology, Universidade Federal do Rio Grande do Sul – UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Patricia Valente
- Mycology Group, Department of Microbiology, Immunology and Parasitology, Universidade Federal do Rio Grande do Sul – UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
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Topić Božič J, Butinar L, Antalick G, Sternad Lemut M, Martelanc M, Albreht A, Korte D, Mozetič Vodopivec B. The influence of selected indigenous yeasts on Pinot Noir wine colour properties. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:664-672. [PMID: 34165824 DOI: 10.1002/jsfa.11395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 04/23/2021] [Accepted: 06/24/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND The use of indigenous selected starters in winemaking is gaining interest due to certain advantages for the sensory quality of the wine. The present work shows the results of a laboratory experiment in which the influence of selected indigenous yeasts on the colour characteristics of Pinot Noir was studied with the use of high hydroxycinnamate decarboxylase activity yeasts. Pichia guilliermondii ZIM624 and Wickerhamomyces anomalus S138 yeasts were used in sequential fermentation with two strains of Saccharomyces cerevisiae, the native ZIM2180 strain and commercial Fermol Premier Cru (FPC). RESULTS In co-inoculation fermentations, non-Saccharomyces yeasts decreased colour intensity (on average by 25.5%). In wines fermented with ZIM624, the concentration of vinylphenolic pyranoanthocyanins increased (average concentration 1.5 mg L-1 ). However, vitisin concentration was significantly higher in S138 + FPC fermentation (1.3 mg L-1 and an average of 0.9 mg L-1 , respectively). Pinot Noir wines fermented with only ZIM2180 and sequential inoculation of ZIM624 + ZIM2180 resulted in significantly higher colour intensity (6.1 ± 0.0 AU and 4.4 ± 0.0 AU, respectively) and lower wine hue parameters compared to other wines. Sensory evaluation also showed that both wines had the highest perceived colour intensity and purple colour suggesting improvement in wine quality parameters. CONCLUSIONS The results confirmed that selected indigenous starters made out of Saccharomyces and non-Saccharomyces yeasts can alter Pinot Noir wine colour parameters and improve wine colour properties. Those yeasts properties should be investigated prior to the development of new commercial starters but also be considered in large scale spontaneous fermentations of low colour intensity red wines like Pinot Noir. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Jelena Topić Božič
- Laboratory for Environmental and Life Sciences, University of Nova Gorica, Nova Gorica, Slovenia
| | - Lorena Butinar
- Wine Research Centre, University of Nova Gorica, Vipava, Slovenia
| | | | | | - Mitja Martelanc
- Wine Research Centre, University of Nova Gorica, Vipava, Slovenia
| | - Alen Albreht
- Department of Food Chemistry, National Institute of Chemistry, Ljubljana, Slovenia
| | - Dorota Korte
- Laboratory for Environmental and Life Sciences, University of Nova Gorica, Nova Gorica, Slovenia
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Ianieva O, Podgorsky V. Enological potential of non- Saccharomyces yeast strains of enological and brewery origin from Ukrainian Collection of Microorganisms. Mycology 2021; 12:203-215. [PMID: 34552811 PMCID: PMC8451676 DOI: 10.1080/21501203.2020.1837272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Non-conventional wine yeasts are extensively studied as promising producers of hydrolytic enzymes and as potential starter cultures in winemaking due to their ability to improve organoleptic properties of wine. Thirty-six yeast strains of enological and brewery origin from the Ukrainian Collection of Microorganisms belonging to Torulaspora, Kloeckera, Candida, Metschnikowia, Pichia, and Zygosaccharomyces genera have been screened for the production of extracellular hydrolases, stress tolerance, fermentative activity, and other traits of enological interest. This study revealed the high incidence of lipolytic, proteolytic, and β-glucosidase activities among the yeasts, while no pectinase activity was detected. Esterase, cellulase and glucanase activities were found in a small proportion of yeasts (8.33–16.66%). Several Pichia anomala, Kloekera javanica, Pichia membranifaciens, and Metschnikowia pulcherrima strains demonstrated a wide range of hydrolytic activities. High tolerance to stress factors (ethanol, osmotic, and oxidative stress) present during alcoholic fermentation was detected in P. anomala and M. pulcherrima strains. Fermentative activity of several yeast strains was evaluated in microfermentations in a model semi-synthetic medium. Strain P. anomala UCM Y-216 was selected as the most promising culture for winemaking due to its hydrolytic activities, tolerance to stress factors and other valuable metabolic traits. This study represents the first step for selecting a non-conventional yeast strain of enological origin as a potential co-culture for winemaking.
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Affiliation(s)
- Olga Ianieva
- Department of Physiology of Industrial Microorganisms, Zabolotny Institute of Microbiology and Virology, Kyiv, Ukraine
| | - Valentin Podgorsky
- Department of Physiology of Industrial Microorganisms, Zabolotny Institute of Microbiology and Virology, Kyiv, Ukraine
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14
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Zhang P, Ma W, Meng Y, Zhang Y, Jin G, Fang Z. Wine phenolic profile altered by yeast: Mechanisms and influences. Compr Rev Food Sci Food Saf 2021; 20:3579-3619. [PMID: 34146455 DOI: 10.1111/1541-4337.12788] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 05/02/2021] [Accepted: 05/18/2021] [Indexed: 01/19/2023]
Abstract
Grape phenolic compounds undergo various types of transformations during winemaking under the influences of yeasts, which further impacts the sensory attributes, thus the quality of wine. Understanding the roles of yeasts in phenolics transformation is important for controlling wine quality through fermentation culture selection. This literature review discusses the mechanisms of how yeasts alter the phenolic compounds during winemaking, summarizes the effects of Saccharomyces cerevisiae and non-Saccharomyces yeasts on the content and composition of phenolics in wine, and highlights the influences of mixed cultural fermentation on the phenolic profile of wine. Collectively, this paper aims to provide a deeper understanding on yeast-phenolics interactions and to identify the current literature gaps for future research.
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Affiliation(s)
- Pangzhen Zhang
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Victoria, Australia
| | - Wen Ma
- School of Food and Wine, Ningxia University, Yinchuan, Ningxia, China
| | - Yiqi Meng
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Victoria, Australia
| | - Yifan Zhang
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Victoria, Australia
| | - Gang Jin
- School of Food and Wine, Ningxia University, Yinchuan, Ningxia, China
| | - Zhongxiang Fang
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Victoria, Australia
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15
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Zhao Y, Sun Q, Zhu S, Du F, Mao R, Liu L, Tian B, Zhu Y. Biodiversity of non-Saccharomyces yeasts associated with spontaneous fermentation of Cabernet Sauvignon wines from Shangri-La wine region, China. Sci Rep 2021; 11:5150. [PMID: 33664299 PMCID: PMC7933366 DOI: 10.1038/s41598-021-83216-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 01/27/2021] [Indexed: 01/06/2023] Open
Abstract
Shangri-La is a wine region that has the highest altitude vineyards in China. This is the first study investigated the biodiversity of non-Saccharomyces yeasts associated with spontaneous fermentation of Cabernet Sauvignon wines produced from two sub-regions (Lancang River and Jinsha River) of Shangri-La. The culturable yeasts were preliminarily classified based on their colonial morphology on the Wallerstein Laboratory nutrient agar plates. Yeast species were identified by the sequencing of the 26S rRNA D1/D2 region and the 5.8S rRNA ITS region. Twenty-five non-Saccharomyces yeast species belonging to sixteen genera were isolated and identified in Shangri-La wine region. Candida, Hanseniaspora, Pichia, and Starmerella were found in both sub-regions, but the Lancang River showed more diverse yeast species than the Jinsha River. Shangri-La not only exhibited high diversity of non-Saccharomyces yeasts, and furthermore, seven species of non-Saccharomyces yeasts were exclusively found in this region, including B. bruxellensis, D. hansenii, M. guilliermondii, S. vini, S. diversa, T. delbrueckii and W. anomalus, which might play an important role in distinctive regional wine characteristics. This study provide a relatively comprehensive analysis of indigenous non-Saccharomyces yeasts associated with Cabernet Sauvignon from Shangri-La, and has significance for exploring 'microbial terroir' of wine regions in China.
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Affiliation(s)
- Yue Zhao
- College of Plant Protection, Yunnan Agricultural University, Kunming, 650201, China
| | - Qingyang Sun
- College of Plant Protection, Yunnan Agricultural University, Kunming, 650201, China
| | - Shusheng Zhu
- College of Plant Protection, Yunnan Agricultural University, Kunming, 650201, China
| | - Fei Du
- College of Plant Protection, Yunnan Agricultural University, Kunming, 650201, China
| | - Ruzhi Mao
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, 650201, China
| | - Lijing Liu
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, 650201, China.,University Engineering Research Center for Grape and Wine of Yunan Province, Yunnan Agricultural University, Kunming, 650201, China
| | - Bin Tian
- Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln, 7647, New Zealand.
| | - Yifan Zhu
- College of Plant Protection, Yunnan Agricultural University, Kunming, 650201, China. .,College of Food Science and Technology, Yunnan Agricultural University, Kunming, 650201, China. .,University Engineering Research Center for Grape and Wine of Yunan Province, Yunnan Agricultural University, Kunming, 650201, China.
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16
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Vicente J, Calderón F, Santos A, Marquina D, Benito S. High Potential of Pichia kluyveri and Other Pichia Species in Wine Technology. Int J Mol Sci 2021; 22:ijms22031196. [PMID: 33530422 PMCID: PMC7866185 DOI: 10.3390/ijms22031196] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/14/2021] [Accepted: 01/22/2021] [Indexed: 01/03/2023] Open
Abstract
The surfaces of grapes are covered by different yeast species that are important in the first stages of the fermentation process. In recent years, non-Saccharomyces yeasts such as Torulaspora delbrueckii, Lachancea thermotolerans, Metschnikowia pulcherrima, and Pichia kluyveri have become popular with regard to winemaking and improved wine quality. For that reason, several manufacturers started to offer commercially available strains of these non-Saccharomyces species. P. kluyveri stands out, mainly due to its contribution to wine aroma, glycerol, ethanol yield, and killer factor. The metabolism of the yeast allows it to increase volatile molecules such as esters and varietal thiols (aroma-active compounds), which increase the quality of specific varietal wines or neutral ones. It is considered a low- or non-fermentative yeast, so subsequent inoculation of a more fermentative yeast such as Saccharomyces cerevisiae is indispensable to achieve a proper fermented alcohol. The impact of P. kluyveri is not limited to the grape wine industry; it has also been successfully employed in beer, cider, durian, and tequila fermentation, among others, acting as a promising tool in those fermentation processes. Although no Pichia species other than P. kluyveri is available in the regular market, several recent scientific studies show interesting improvements in some wine quality parameters such as aroma, polysaccharides, acid management, and color stability. This could motivate yeast manufacturers to develop products based on those species in the near future.
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Affiliation(s)
- Javier Vicente
- Unit of Microbiology, Genetics, Physiology and Microbiology Department, Biology Faculty, Complutense University of Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain; (J.V.); (A.S.); (D.M.)
| | - Fernando Calderón
- Department of Chemistry and Food Technology, Polytechnic University of Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain;
| | - Antonio Santos
- Unit of Microbiology, Genetics, Physiology and Microbiology Department, Biology Faculty, Complutense University of Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain; (J.V.); (A.S.); (D.M.)
| | - Domingo Marquina
- Unit of Microbiology, Genetics, Physiology and Microbiology Department, Biology Faculty, Complutense University of Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain; (J.V.); (A.S.); (D.M.)
| | - Santiago Benito
- Department of Chemistry and Food Technology, Polytechnic University of Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain;
- Correspondence: ; Tel.: +34-913363710 or +34-913363984
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17
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The Important Contribution of Non- Saccharomyces Yeasts to the Aroma Complexity of Wine: A Review. Foods 2020; 10:foods10010013. [PMID: 33374550 PMCID: PMC7822458 DOI: 10.3390/foods10010013] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/21/2020] [Accepted: 12/21/2020] [Indexed: 12/26/2022] Open
Abstract
Non-Saccharomyces yeast plays an important role in the initial stages of a wild ferment, as they are found in higher abundance in the vineyard than Saccharomyces cerevisiae. As such, there has been a focus in recent years to isolate these yeast species and characterize their effect on wine fermentation and subsequent aroma. This effect on wine aroma is often species and strain dependent, as the enzymatic profile of each yeast will determine which aroma compounds are formed as secondary metabolites. Semi-fermentative yeast, such as Hanseniaspora spp., Candida spp. and Metschnikowia pulcherrima, are commonly in high abundance in fresh grape must and have diverse enzymatic profiles, however they show a weak tolerance to ethanol, limiting their impact to the initial stages of fermentation. Fully fermentative non-Saccharomyces yeast, characterized by high ethanol tolerance, are often found at low abundance in fresh grape must, similar to Saccharomyces cerevisiae. Their ability to influence the aroma profile of wine remains high, however, due to their presence into the final stages of fermentation. Some fermentative yeasts also have unique oenological properties, such as Lanchancea thermotolerans and Schizosaccharomyces pombe, highlighting the potential of these yeast as inoculants for specific wine styles.
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18
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Evaluating the effect of using non-Saccharomyces on Oenococcus oeni and wine malolactic fermentation. Food Res Int 2020; 138:109779. [DOI: 10.1016/j.foodres.2020.109779] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 06/18/2020] [Accepted: 10/02/2020] [Indexed: 12/15/2022]
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19
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Liu X, Li Y, Yu Z, Liu X, Hardie WJ, Huang M. Screening and characterisation of β-glucosidase production strains from Rosa roxburghii Tratt. INTERNATIONAL JOURNAL OF FOOD ENGINEERING 2020. [DOI: 10.1515/ijfe-2020-0152] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The β-glucosidase properties from one yeast isolate identified as Wickerhamomyces anomalus C4 were characterised. The β-glucosidase activity of W. anomalus C4 was 41.83 ± 0.25 mU/mL, and the optimum temperature and pH were 40 °C and 5.0, respectively. The glucose, 10% v/v of ethanol and 10 mmol/L of Cu2+ inhibited the β-glycosidases activities. The isolate W. anomalus C4 had a stronger alcohol metabolism capacity than commercial Saccharomyces cerevisiae X16. Besides, fermentation with W. anomalus C4 alone and co-fermentations with S. cerevisiae X16 and W. anomalus C4 reduced the volatile acids content and the sourness value compared to S. cerevisiae X16 control. Moreover, inoculation with W. anomalus C4 could enhance volatile aroma richness and complexity of Rosa roxburghii wines, regardless of type or amount thereof. Therefore, the R. roxburghii native yeast isolate W. anomalus C4 may have some application potentials for R. roxburghii wine-making.
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Affiliation(s)
- Xiaozhu Liu
- Guizhou Institute of Technology , Guiyang 550003 , Guizhou , China
| | - Yinfeng Li
- Guizhou Institute of Technology , Guiyang 550003 , Guizhou , China
| | - Zhihai Yu
- Guizhou Institute of Technology , Guiyang 550003 , Guizhou , China
| | - Xiaohui Liu
- Guizhou Institute of Technology , Guiyang 550003 , Guizhou , China
| | - William James Hardie
- Guizhou Institute of Technology , Guiyang 550003 , Guizhou , China
- Changzhou University , Changzhou 213000 , Jiangsu , China
| | - Mingzheng Huang
- Guizhou Institute of Technology , Guiyang 550003 , Guizhou , China
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20
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Cioch-Skoneczny M, Satora P, Skoneczny S, Skotniczny M. Biodiversity of yeasts isolated during spontaneous fermentation of cool climate grape musts. Arch Microbiol 2020; 203:153-162. [PMID: 32780151 PMCID: PMC7813693 DOI: 10.1007/s00203-020-02014-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 07/31/2020] [Accepted: 08/05/2020] [Indexed: 01/06/2023]
Abstract
Biodiversity of native yeasts, especially in winemaking, has hidden potential. In order to use the value of non-Saccharomyces strains in wine production and to minimise the possibility of its deterioration, it is necessary to thoroughly study the yeast cultures present on grape fruits and in grape must, as well as their metabolic properties. The aim of the study was to characterise the yeast microbiota found during spontaneous fermentation of grape musts obtained from grape varieties ‘Rondo’, ‘Regent’ and ‘Johanniter’. Grapes from two vineyards (Srebrna Góra and Zadora) located in southern Poland were used for the research. Succession of subsequent groups of yeasts was observed during the process. Metschnikowia pulcherrima yeasts were identified both at the beginning and the end of the process. Hanseniaspora uvarum, Wickerhamomyces onychis and Torulaspora delbrueckii strains were also identified during the fermentation. Torulaspora delbrueckii and Wickerhamomyces onychis strains were identified only in grape musts obtained from grapes of the Zadora vineyard. These strains may be characteristic of this vineyard and shape the identity of wines formed in it. Our research has provided specific knowledge on the biodiversity of yeast cultures on grapes and during their spontaneous fermentation. The research results presented indicate the possibility of using native strains for fermentation of grape musts, allowing to obtain a product with favourable chemical composition and sensory profile.
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Affiliation(s)
- Monika Cioch-Skoneczny
- Department of Fermentation Technology and Microbiology, University of Agriculture in Krakow, ul. Balicka 122, 30-149, Krakow, Poland.
| | - Paweł Satora
- Department of Fermentation Technology and Microbiology, University of Agriculture in Krakow, ul. Balicka 122, 30-149, Krakow, Poland
| | - Szymon Skoneczny
- Department of Chemical and Process Engineering, Faculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24, 31-155, Krakow, Poland
| | - Magdalena Skotniczny
- Department of Fermentation Technology and Microbiology, University of Agriculture in Krakow, ul. Balicka 122, 30-149, Krakow, Poland
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21
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Sequential Non-Saccharomyces and Saccharomyces cerevisiae Fermentations to Reduce the Alcohol Content in Wine. FERMENTATION-BASEL 2020. [DOI: 10.3390/fermentation6020060] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Over the last decades, the average alcohol content of wine has increased due to climate change and consumer preferences for particular wine styles that resulted in increased grape sugar levels at harvest. Therefore, alcohol reduction is a current challenge in the winemaking industry. Among several strategies under study, the use of non-conventional yeasts in combination with Saccharomyces cerevisiae plays an important role for lowering ethanol production in wines nowadays. In the present work, 33 native non-Saccharomyces strains were assayed in sequential culture with a S. cerevisiae wine strain to determine their potential for reducing the alcohol content in Malvar white wines. Four of the non-Saccharomyces strains (Wickerhamomyces anomalus 21A-5C, Meyerozyma guilliermondii CLI 1217, and two Metschnikowia pulcherrima (CLI 68 and CLI 460)) studied in sequential combination with S. cerevisiae CLI 889 were best able to produce dry wines with decreased alcohol proportion in comparison with one that was inoculated only with S. cerevisiae. These sequential fermentations produced wines with between 0.8% (v/v) and 1.3% (v/v) lower ethanol concentrations in Malvar wines, showing significant differences compared with the control. In addition, these combinations provided favorable oenological characteristics to wines such as high glycerol proportion, volatile higher alcohols, and esters with fruity and sweet character.
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22
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Parapouli M, Vasileiadis A, Afendra AS, Hatziloukas E. Saccharomyces cerevisiae and its industrial applications. AIMS Microbiol 2020; 6:1-31. [PMID: 32226912 PMCID: PMC7099199 DOI: 10.3934/microbiol.2020001] [Citation(s) in RCA: 166] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 01/19/2020] [Indexed: 11/18/2022] Open
Abstract
Saccharomyces cerevisiae is the best studied eukaryote and a valuable tool for most aspects of basic research on eukaryotic organisms. This is due to its unicellular nature, which often simplifies matters, offering the combination of the facts that nearly all biological functions found in eukaryotes are also present and well conserved in S. cerevisiae. In addition, it is also easily amenable to genetic manipulation. Moreover, unlike other model organisms, S. cerevisiae is concomitantly of great importance for various biotechnological applications, some of which date back to several thousands of years. S. cerevisiae's biotechnological usefulness resides in its unique biological characteristics, i.e., its fermentation capacity, accompanied by the production of alcohol and CO2 and its resilience to adverse conditions of osmolarity and low pH. Among the most prominent applications involving the use of S. cerevisiae are the ones in food, beverage -especially wine- and biofuel production industries. This review focuses exactly on the function of S. cerevisiae in these applications, alone or in conjunction with other useful microorganisms involved in these processes. Furthermore, various aspects of the potential of the reservoir of wild, environmental, S. cerevisiae isolates are examined under the perspective of their use for such applications.
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Affiliation(s)
- Maria Parapouli
- Molecular Biology Laboratory, Department of Biological applications and Technology, University of Ioannina, Ioannina, Greece
| | - Anastasios Vasileiadis
- Molecular Biology Laboratory, Department of Biological applications and Technology, University of Ioannina, Ioannina, Greece
| | - Amalia-Sofia Afendra
- Genetics Laboratory, Department of Biological Applications and Technology, University of Ioannina, Ioannina, Greece
| | - Efstathios Hatziloukas
- Molecular Biology Laboratory, Department of Biological applications and Technology, University of Ioannina, Ioannina, Greece
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23
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Abstract
Non-Saccharomyces yeasts have aroused interest in brewing science as an innovative and seminal way of creating new beer flavors. A screening system for potential brewing strains of non-Saccharomyces yeasts was set up to investigate the yeast’s utilization of wort sugars and to examine the effect of hop acids as well as ethanol on the growth of different yeast strains. Additionally, phenolic off-flavor (POF) and sensory odor tests of fermented wort samples were performed. The promising strains were further investigated for their propagation ability and for following fermentation trials. The produced beers were analyzed for secondary metabolites, ethanol content and judged by trained panelists. Subsequently to the screening, it was discovered that among the 110 screened yeast strains, approx. 10 strains of the species Saccharomycopsis fibuligera, Schizosaccharomyces pombe and Zygosaccharomyces rouxii generate promising fruity flavors during fermentation and were able to metabolize maltose and maltotriose as a prerequisite for the production of alcoholic beers. Consequently, the screening method described in this study makes it possible to investigate a tremendous number of different non-Saccharomyces yeasts and to test their brewing ability in a relatively short period of time.
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24
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Fan G, Teng C, Xu D, Fu Z, Minhazul KAHM, Wu Q, Liu P, Yang R, Li X. Enhanced production of ethyl acetate using co-culture of Wickerhamomyces anomalus and Saccharomyces cerevisiae. J Biosci Bioeng 2019; 128:564-570. [DOI: 10.1016/j.jbiosc.2019.05.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/21/2019] [Accepted: 05/09/2019] [Indexed: 11/24/2022]
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25
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Metabolites analysis for cold-resistant yeast (Wickerhamomyces anomalus) strains own antioxidant activity on cold stored fish mince. Food Chem 2019; 303:125368. [PMID: 31445174 DOI: 10.1016/j.foodchem.2019.125368] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 08/09/2019] [Accepted: 08/12/2019] [Indexed: 12/27/2022]
Abstract
The effect of eight cold-resistant yeast strains (J3, J7, J8, J9, J12, J15, J18, and J25) of Wickerhamomyces anomalus on the lipid oxidation of cold stored fish mince (4 °C) were investigated. And the metabolites of these yeast were determined with gas chromatography-mass spectrometry. These strains could effectively inhibit the increase of hydroperoxides value (p < 0.05), and the inhibiting rate was positively correlated with the content of isolongifolene, xylitol, turanose, thymol-glucoside, and uridine. Especially, the J3, J7, J8, J9, J12, and J18 could eliminate a large part of thiobarbituric acid reactive substances (TBARS) (p < 0.05), the eliminating rate was proportionate to the aldehyde dehydrogenase activity. Several bacteriostatic metabolites were detected: thymol-glucoside, 2-phenylethanol, cedro, and 2,4-bis (1,1-dimethylethyl) phenol. In addition, W. anomalus produced many metabolites with fruit and floral notes. In conclusion, cold-resistant W. anomalus strains own antioxidant activity were potential new bio-preservatives in the cold storage of muscle products.
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26
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Aplin JJ, White KP, Edwards CG. Growth and metabolism of non-Saccharomyces yeasts isolated from Washington state vineyards in media and high sugar grape musts. Food Microbiol 2019; 77:158-165. [DOI: 10.1016/j.fm.2018.09.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 08/28/2018] [Accepted: 09/03/2018] [Indexed: 01/01/2023]
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Improving Ethyl Acetate Production in Baijiu Manufacture by Wickerhamomyces anomalus and Saccharomyces cerevisiae Mixed Culture Fermentations. BIOMED RESEARCH INTERNATIONAL 2019; 2019:1470543. [PMID: 30733956 PMCID: PMC6348840 DOI: 10.1155/2019/1470543] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Revised: 11/26/2018] [Accepted: 12/12/2018] [Indexed: 11/17/2022]
Abstract
Ethyl acetate content has strong influence on the style and quality of Baijiu. Therefore, this study investigated the effect of Saccharomyces cerevisiae Y3401 on the production of ethyl acetate by Wickerhamomyces anomalus Y3604. Analysis of cell growth showed that Y3401 influences Y3604 by nutrient competition and inhibition by metabolites, while the effect of Y3604 on Y3401 was mainly competition for nutrients. Mixed fermentation with two yeasts was found to produce more ethyl acetate than a single fermentation. The highest yield of ethyl acetate was 2.99 g/L when the inoculation ratio of Y3401:Y3604 was 1:2. Synergistic fermentation of both yeasts improved ethyl acetate production and increased the content of other flavor compounds in liquid and simulated solid-state fermentation for Baijiu. Saccharomyces cerevisiae had a positive effect on ethyl acetate production in mixed culture and provides opportunities to alter the aroma and flavor perception of Baijiu.
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28
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Bagheri B, Zambelli P, Vigentini I, Bauer FF, Setati ME. Investigating the Effect of Selected Non- Saccharomyces Species on Wine Ecosystem Function and Major Volatiles. Front Bioeng Biotechnol 2018; 6:169. [PMID: 30483500 PMCID: PMC6243112 DOI: 10.3389/fbioe.2018.00169] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 10/25/2018] [Indexed: 11/17/2022] Open
Abstract
Natural alcoholic fermentation is initiated by a diverse population of several non-Saccharomyces yeast species. However, most of the species progressively die off, leaving only a few strongly fermentative species, mainly Saccharomyces cerevisiae. The relative performance of each yeast species is dependent on its fermentation capacity, initial cell density, ecological interactions as well as tolerance to environmental factors. However, the fundamental rules underlying the working of the wine ecosystem are not fully understood. Here we use variation in cell density as a tool to evaluate the impact of individual non-Saccharomyces wine yeast species on fermentation kinetics and population dynamics of a multi-species yeast consortium in synthetic grape juice fermentation. Furthermore, the impact of individual species on aromatic properties of wine was investigated, using Gas Chromatography-Flame Ionization Detector. Fermentation kinetics was affected by the inoculation treatment. The results show that some non-Saccharomyces species support or inhibit the growth of other non-Saccharomyces species in the multi-species consortium. Overall, the fermentation inoculated with a high cell density of Starmerella bacillaris displayed the fastest fermentation kinetics while fermentation inoculated with Hanseniaspora vineae showed the slowest kinetics. The production of major volatiles was strongly affected by the treatments, and the aromatic signature could in some cases be linked to specific non-Saccharomyces species. In particular, Wickerhamomyces anomalus at high cell density contributed to elevated levels of 2-Phenylethan-1-ol whereas Starm. bacillaris at high cell density resulted in the high production of 2-methylpropanoic acid and 3-Hydroxybutanone. The data revealed possible direct and indirect influences of individual non-Saccharomyces species within a complex consortium, on wine chemical composition.
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Affiliation(s)
- Bahareh Bagheri
- Department of Viticulture and Oenology, Institute for Wine Biotechnology, Stellenbosch University, Stellenbosch, South Africa
| | - Paolo Zambelli
- Department of Food, Environmental and Nutritional Sciences, University Degli Studi di Milano, Milan, Italy
| | - Ileana Vigentini
- Department of Food, Environmental and Nutritional Sciences, University Degli Studi di Milano, Milan, Italy
| | - Florian Franz Bauer
- Department of Viticulture and Oenology, Institute for Wine Biotechnology, Stellenbosch University, Stellenbosch, South Africa
| | - Mathabatha Evodia Setati
- Department of Viticulture and Oenology, Institute for Wine Biotechnology, Stellenbosch University, Stellenbosch, South Africa
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29
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Abstract
Nowadays it is widely accepted that non-Saccharomyces yeasts, which prevail during the early stages of alcoholic fermentation, contribute significantly to the character and quality of the final wine. Among these yeasts, Wickerhamomyces anomalus (formerly Pichia anomala, Hansenula anomala, Candida pelliculosa) has gained considerable importance for the wine industry since it exhibits interesting and potentially exploitable physiological and metabolic characteristics, although its growth along fermentation can still be seen as an uncontrollable risk. This species is widespread in nature and has been isolated from different environments including grapes and wines. Its use together with Saccharomyces cerevisiae in mixed culture fermentations has been proposed to increase wine particular characteristics. Here, we review the ability of W. anomalus to produce enzymes and metabolites of oenological relevance and we discuss its potential as a biocontrol agent in winemaking. Finally, biotechnological applications of W. anomalus beyond wine fermentation are briefly described.
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30
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Querol A, Pérez-Torrado R, Alonso-Del-Real J, Minebois R, Stribny J, Oliveira BM, Barrio E. New Trends in the Uses of Yeasts in Oenology. ADVANCES IN FOOD AND NUTRITION RESEARCH 2018; 85:177-210. [PMID: 29860974 DOI: 10.1016/bs.afnr.2018.03.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The most important factor in winemaking is the quality of the final product and the new trends in oenology are dictated by wine consumers and producers. Traditionally the red wine is the most consumed and more popular; however, in the last times, the wine companies try to attract other groups of populations, especially young people and women that prefer sweet, whites or rosé wines, very fruity and with low alcohol content. Besides the new trends in consumer preferences, there are also increased concerns on the effects of alcohol consumption on health and the effects of global climate change on grape ripening and wine composition producing wines with high alcohol content. Although S. cerevisiae is the most frequent species in wines, and the subject of most studies, S. uvarum and hybrids between Saccharomyces species such as S. cerevisiae×S. kudriavzevii and S. cerevisiae×S. uvarum are also involved in wine fermentations and can be preponderant in certain wine regions. New yeast starters of non-cerevisiae strains (S. uvarum) or hybrids (S. cerevisiae×S. uvarum and S. cerevisiae×S. kudriavzevii) can contribute to solve some problems of the wineries. They exhibit good fermentative capabilities at low temperatures, producing wines with lower alcohol and higher glycerol amounts, while fulfilling the requirements of the commercial yeasts, such as a good fermentative performance and aromatic profiles that are of great interest for the wine industry. In this review, we will analyze different applications of nonconventional yeasts to solve the current winemaking demands.
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Affiliation(s)
- Amparo Querol
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSIC, Valencia, Spain.
| | - Roberto Pérez-Torrado
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSIC, Valencia, Spain
| | - Javier Alonso-Del-Real
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSIC, Valencia, Spain
| | - Romain Minebois
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSIC, Valencia, Spain
| | - Jiri Stribny
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSIC, Valencia, Spain
| | - Bruno M Oliveira
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSIC, Valencia, Spain
| | - Eladio Barrio
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSIC, Valencia, Spain; Departament de Genètica, Universitat de València, Valencia, Spain
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31
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Wu Q, Cui K, Lin J, Zhu Y, Xu Y. Urea production by yeasts other than Saccharomyces in food fermentation. FEMS Yeast Res 2017; 17:4411803. [PMID: 29040547 DOI: 10.1093/femsyr/fox072] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 09/26/2017] [Indexed: 11/15/2022] Open
Abstract
Urea is an important intermediate in the synthesis of carcinogenic ethyl carbamate in various food fermentations. Identifying urea-producing microorganisms can help control or reduce ethyl carbamate production. Using Chinese liquor fermentation as a model system, we identified the yeasts responsible for urea production. Urea production was positively correlated to the yeast population (R = 0.523, P = 0.045), and using high-throughput sequencing, we identified 26 yeast species. Partial least squares regression and correlation analysis indicated that Wickerhamomyces anomalus was the most important yeast to produce urea (variable importance plot = 1.927; R = 0.719, P = 0.002). Besides, we found that in W. anomalus the CAR1 gene (responsible for urea production) was 67% identical to that of Saccharomyces cerevisiae. Wickerhamomyces anomalus produced more urea (910.0 μg L-1) than S. cerevisiae (300.1 μg L-1). Moreover, urea production increased to 1261.2 μg L-1 when the two yeasts were co-cultured in a simulated fermentation, where the transcription activity of the CAR1 gene increased by 140% in W. anomalus and decreased by 40% in S. cerevisiae. Our findings confirm that a yeast other than Saccharomyces, namely W. anomalus, contributes more to urea formation in a simulated sorghum fermentation. These findings provide the basis for strategies to control or reduce ethyl carbamate formation.
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Affiliation(s)
- Qun Wu
- State Key Laboratory of Food Science and Technology, The Key Laboratory of Industrial Biotechnology, Ministry of Education, Synergetic Innovation Centre of Food Safety and Nutrition, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Kaixiang Cui
- State Key Laboratory of Food Science and Technology, The Key Laboratory of Industrial Biotechnology, Ministry of Education, Synergetic Innovation Centre of Food Safety and Nutrition, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Jianchun Lin
- State Key Laboratory of Food Science and Technology, The Key Laboratory of Industrial Biotechnology, Ministry of Education, Synergetic Innovation Centre of Food Safety and Nutrition, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Yang Zhu
- Bioprocess Engineering, Wageningen University and Research, PO Box 16, 6700 AA Wageningen, Netherlands
| | - Yan Xu
- State Key Laboratory of Food Science and Technology, The Key Laboratory of Industrial Biotechnology, Ministry of Education, Synergetic Innovation Centre of Food Safety and Nutrition, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
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Alonso-Del-Real J, Contreras-Ruiz A, Castiglioni GL, Barrio E, Querol A. The Use of Mixed Populations of Saccharomyces cerevisiae and S. kudriavzevii to Reduce Ethanol Content in Wine: Limited Aeration, Inoculum Proportions, and Sequential Inoculation. Front Microbiol 2017; 8:2087. [PMID: 29118746 PMCID: PMC5661026 DOI: 10.3389/fmicb.2017.02087] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 10/11/2017] [Indexed: 01/03/2023] Open
Abstract
Saccharomyces cerevisiae is the most widespread microorganism responsible for wine alcoholic fermentation. Nevertheless, the wine industry is currently facing new challenges, some of them associate with climate change, which have a negative effect on ethanol content and wine quality. Numerous and varied strategies have been carried out to overcome these concerns. From a biotechnological point of view, the use of alternative non-Saccharomyces yeasts, yielding lower ethanol concentrations and sometimes giving rise to new and interesting aroma, is one of the trendiest approaches. However, S. cerevisiae usually outcompetes other Saccharomyces species due to its better adaptation to the fermentative environment. For this reason, we studied for the first time the use of a Saccharomyces kudriavzevii strain, CR85, for co-inoculations at increasing proportions and sequential inoculations, as well as the effect of aeration, to improve its fermentation performance in order to obtain wines with an ethanol yield reduction. An enhanced competitive performance of S. kudriavzevii CR85 was observed when it represented 90% of the cells present in the inoculum. Furthermore, airflow supply of 20 VVH to the fermentation synergistically improved CR85 endurance and, interestingly, a significant ethanol concentration reduction was achieved.
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Affiliation(s)
- Javier Alonso-Del-Real
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (CSIC), Valencia, Spain
| | - Alba Contreras-Ruiz
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (CSIC), Valencia, Spain.,Departament de Genètica, Universitat de València, Valencia, Spain
| | - Gabriel L Castiglioni
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (CSIC), Valencia, Spain
| | - Eladio Barrio
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (CSIC), Valencia, Spain.,Departament de Genètica, Universitat de València, Valencia, Spain
| | - Amparo Querol
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (CSIC), Valencia, Spain
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Bagheri B, Bauer FF, Setati ME. The Impact of Saccharomyces cerevisiae on a Wine Yeast Consortium in Natural and Inoculated Fermentations. Front Microbiol 2017; 8:1988. [PMID: 29085347 PMCID: PMC5650610 DOI: 10.3389/fmicb.2017.01988] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 09/27/2017] [Indexed: 11/25/2022] Open
Abstract
Natural, also referred to as spontaneous wine fermentations, are carried out by the native microbiota of the grape juice, without inoculation of selected, industrially produced yeast or bacterial strains. Such fermentations are commonly initiated by non-Saccharomyces yeast species that numerically dominate the must. Community composition and numerical dominance of species vary significantly between individual musts, but Saccharomyces cerevisiae will in most cases dominate the late stages of the fermentation and complete the process. Nevertheless, non-Saccharomyces species contribute significantly, positively or negatively, to the character and quality of the final product. The contribution is species and strain dependent and will depend on each species or strain's absolute and relative contribution to total metabolically active biomass, and will therefore, be a function of its relative fitness within the microbial ecosystem. However, the population dynamics of multispecies fermentations are not well understood. Consequently, the oenological potential of the microbiome in any given grape must, can currently not be evaluated or predicted. To better characterize the rules that govern the complex wine microbial ecosystem, a model yeast consortium comprising eight species commonly encountered in South African grape musts and an ARISA based method to monitor their dynamics were developed and validated. The dynamics of these species were evaluated in synthetic must in the presence or absence of S. cerevisiae using direct viable counts and ARISA. The data show that S. cerevisiae specifically suppresses certain species while appearing to favor the persistence of other species. Growth dynamics in Chenin blanc grape must fermentation was monitored only through viable counts. The interactions observed in the synthetic must, were upheld in the natural must fermentations, suggesting the broad applicability of the observed ecosystem dynamics. Importantly, the presence of indigenous yeast populations did not appear to affect the broad interaction patterns between the consortium species. The data show that the wine ecosystem is characterized by both mutually supportive and inhibitory species. The current study presents a first step in the development of a model to predict the oenological potential of any given wine mycobiome.
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Affiliation(s)
| | | | - Mathabatha E. Setati
- Department of Viticulture and Oenology, Institute for Wine Biotechnology, Stellenbosch University, Stellenbosch, South Africa
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Petruzzi L, Capozzi V, Berbegal C, Corbo MR, Bevilacqua A, Spano G, Sinigaglia M. Microbial Resources and Enological Significance: Opportunities and Benefits. Front Microbiol 2017. [PMID: 28642742 PMCID: PMC5462979 DOI: 10.3389/fmicb.2017.00995] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Among the innovative trends in the wine sector, the continuous exploration of enological properties associated with wine microbial resources represents a cornerstone driver of quality improvement. Since the advent of starter cultures technology, the attention has been focused on intraspecific biodiversity within the primary species responsible for alcoholic fermentation (Saccharomyces cerevisiae) and, subsequently, for the so-called ‘malolactic fermentation’ (Oenococcus oeni). However, in the last decade, a relevant number of studies proposed the enological exploitation of an increasing number of species (e.g., non-Saccharomyces yeasts) associated with spontaneous fermentation in wine. These new species/strains may provide technological solutions to specific problems and/or improve sensory characteristics, such as complexity, mouth-feel and flavors. This review offers an overview of the available information on the enological/protechnological significance of microbial resources associated with winemaking, summarizing the opportunities and the benefits associated with the enological exploitation of this microbial potential. We discuss proposed solutions to improve quality and safety of wines (e.g., alternative starter cultures, multistrains starter cultures) and future perspectives.
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Affiliation(s)
- Leonardo Petruzzi
- Department of the Science of Agriculture, Food and Environment, University of FoggiaFoggia, Italy
| | - Vittorio Capozzi
- Department of the Science of Agriculture, Food and Environment, University of FoggiaFoggia, Italy
| | - Carmen Berbegal
- Department of the Science of Agriculture, Food and Environment, University of FoggiaFoggia, Italy
| | - Maria R Corbo
- Department of the Science of Agriculture, Food and Environment, University of FoggiaFoggia, Italy
| | - Antonio Bevilacqua
- Department of the Science of Agriculture, Food and Environment, University of FoggiaFoggia, Italy
| | - Giuseppe Spano
- Department of the Science of Agriculture, Food and Environment, University of FoggiaFoggia, Italy
| | - Milena Sinigaglia
- Department of the Science of Agriculture, Food and Environment, University of FoggiaFoggia, Italy
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The Combined Use of Schizosaccharomyces pombe and Lachancea thermotolerans-Effect on the Anthocyanin Wine Composition. Molecules 2017; 22:molecules22050739. [PMID: 28471391 PMCID: PMC6154098 DOI: 10.3390/molecules22050739] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 04/21/2017] [Accepted: 04/25/2017] [Indexed: 01/01/2023] Open
Abstract
The most popular methodology to make red wine is through the combined use of Saccharomyces cerevisiae yeast and lactic acid bacteria, for alcoholic fermentation and malolactic fermentation respectively. This classic winemaking practice produces stable red wines from a microbiological point of view. This study aims to investigate a recent red winemaking biotechnology, which through the combined use of Lachancea thermotolerans and Schizosaccharomyces pombe is used as an alternative to the classic malolactic fermentation. In this new methodology, Schizosaccharomycespombe totally consumes malic acid, while Lachancea thermotolerans produces lactic acid, avoiding excessive deacidification of musts with low acidity in warm viticulture areas such as Spain. This new methodology has been reported to be a positive alternative to malolactic fermentation in low acidity wines, since it has the advantage to produce wines with a more fruity flavor, less acetic acid, less ethyl carbamate originators and less biogenic amines than the traditional wines produced via conventional fermentation techniques. The study focuses on unexplored facts related to this novel biotechnology such as color and anthocyanin profile.
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Wu H, Zhang S, Ma Y, Zhou J, Luo H, Yang J. Comparison of microbial communities in the fermentation starter used to brew Xiaoqu liquor. JOURNAL OF THE INSTITUTE OF BREWING 2017. [DOI: 10.1002/jib.388] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Hechuan Wu
- Sichuan University of Science and Engineering; 180 Xueyuanjie, Huixinglu Zigong Sichuan 643000 China
- Sichuan Academy of Atomic Energy; Chengdu 610000 China
| | - Suyi Zhang
- Luzhou Laojiao Co.; Laojiaoguangchang, Nanguanglu Luzhou Sichuan 646000 China
| | - Yingying Ma
- Sichuan University of Science and Engineering; 180 Xueyuanjie, Huixinglu Zigong Sichuan 643000 China
| | - Jian Zhou
- Sichuan University of Science and Engineering; 180 Xueyuanjie, Huixinglu Zigong Sichuan 643000 China
| | - Huibo Luo
- Sichuan University of Science and Engineering; 180 Xueyuanjie, Huixinglu Zigong Sichuan 643000 China
| | - Jiangang Yang
- Sichuan University of Science and Engineering; 180 Xueyuanjie, Huixinglu Zigong Sichuan 643000 China
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Alonso-Del-Real J, Lairón-Peris M, Barrio E, Querol A. Effect of Temperature on the Prevalence of Saccharomyces Non cerevisiae Species against a S. cerevisiae Wine Strain in Wine Fermentation: Competition, Physiological Fitness, and Influence in Final Wine Composition. Front Microbiol 2017; 8:150. [PMID: 28223968 PMCID: PMC5293751 DOI: 10.3389/fmicb.2017.00150] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 01/20/2017] [Indexed: 12/20/2022] Open
Abstract
Saccharomyces cerevisiae is the main microorganism responsible for the fermentation of wine. Nevertheless, in the last years wineries are facing new challenges due to current market demands and climate change effects on the wine quality. New yeast starters formed by non-conventional Saccharomyces species (such as S. uvarum or S. kudriavzevii) or their hybrids (S. cerevisiae x S. uvarum and S. cerevisiae x S. kudriavzevii) can contribute to solve some of these challenges. They exhibit good fermentative capabilities at low temperatures, producing wines with lower alcohol and higher glycerol amounts. However, S. cerevisiae can competitively displace other yeast species from wine fermentations, therefore the use of these new starters requires an analysis of their behavior during competition with S. cerevisiae during wine fermentation. In the present study we analyzed the survival capacity of non-cerevisiae strains in competition with S. cerevisiae during fermentation of synthetic wine must at different temperatures. First, we developed a new method, based on QPCR, to quantify the proportion of different Saccharomyces yeasts in mixed cultures. This method was used to assess the effect of competition on the growth fitness. In addition, fermentation kinetics parameters and final wine compositions were also analyzed. We observed that some cryotolerant Saccharomyces yeasts, particularly S. uvarum, seriously compromised S. cerevisiae fitness during competences at lower temperatures, which explains why S. uvarum can replace S. cerevisiae during wine fermentations in European regions with oceanic and continental climates. From an enological point of view, mixed co-cultures between S. cerevisiae and S. paradoxus or S. eubayanus, deteriorated fermentation parameters and the final product composition compared to single S. cerevisiae inoculation. However, in co-inoculated synthetic must in which S. kudriavzevii or S. uvarum coexisted with S. cerevisiae, there were fermentation performance improvements and the final wines contained less ethanol and higher amounts of glycerol. Finally, it is interesting to note that in co-inoculated fermentations, wine strains of S. cerevisiae and S. uvarum performed better than non-wine strains of the same species.
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Affiliation(s)
- Javier Alonso-Del-Real
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSIC Valencia, Spain
| | - María Lairón-Peris
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSICValencia, Spain; Departament de Genètica, Universitat de ValènciaValència, Spain
| | - Eladio Barrio
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSICValencia, Spain; Departament de Genètica, Universitat de ValènciaValència, Spain
| | - Amparo Querol
- Departamento de Biotecnología de los Alimentos, Grupo de Biología de Sistemas en Levaduras de Interés Biotecnológico, Instituto de Agroquímica y Tecnología de los Alimentos (IATA)-CSIC Valencia, Spain
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Benito Á, Calderón F, Benito S. Combined Use of S. pombe and L. thermotolerans in Winemaking. Beneficial Effects Determined Through the Study of Wines' Analytical Characteristics. Molecules 2016; 21:E1744. [PMID: 27999345 PMCID: PMC6273388 DOI: 10.3390/molecules21121744] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 12/03/2016] [Accepted: 12/07/2016] [Indexed: 01/16/2023] Open
Abstract
The most common way to produce red wine is through the use of Saccharomyces cerevisiae strains for alcoholic fermentation and lactic acid bacteria for malolactic fermentation. This traditional winemaking methodology produces microbiologically stable red wines. However, under specific conditions off-flavours can occur, wine quality can suffer and human health problems are possible, especially after the second fermentation by the lactic acid bacteria. In warm countries, problems during the malolactic fermentation arise because of the high pH of the must, which makes it very difficult to properly control the process. Under such conditions, wines with high acetic acid and histamine concentrations are commonly produced. This study investigates a recent red wine-making technology that uses a combination of Lachancea thermotolerans and Schizosaccharomyces pombe as an alternative to the conventional malolactic fermentation. This work studies new parameters such as aroma compounds, amino acids, ethanol index and sensory evaluation. Schizosaccharomyces pombe totally consumes malic acid while Lachancea thermotolerans produces lactic acid, avoiding excessive deacidification of musts with low acidity in warm viticulture areas. This methodology also reduces the malolactic fermentation hazards in wines with low acidity. The main products are wines that contain less acetic acid, less biogenic amines and precursors and less ethyl carbamate precursors than the traditional wines produced via conventional fermentation techniques.
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Affiliation(s)
- Ángel Benito
- Chemistry and Food Technology Department, Polytechnic University of Madrid, Avenida Complutense S/N, 28040 Madrid, Spain.
| | - Fernando Calderón
- Chemistry and Food Technology Department, Polytechnic University of Madrid, Avenida Complutense S/N, 28040 Madrid, Spain.
| | - Santiago Benito
- Chemistry and Food Technology Department, Polytechnic University of Madrid, Avenida Complutense S/N, 28040 Madrid, Spain.
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The impact of non-Saccharomyces yeasts in the production of alcoholic beverages. Appl Microbiol Biotechnol 2016; 100:9861-9874. [DOI: 10.1007/s00253-016-7941-6] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 10/11/2016] [Accepted: 10/13/2016] [Indexed: 12/17/2022]
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Padilla B, Gil JV, Manzanares P. Past and Future of Non-Saccharomyces Yeasts: From Spoilage Microorganisms to Biotechnological Tools for Improving Wine Aroma Complexity. Front Microbiol 2016; 7:411. [PMID: 27065975 PMCID: PMC4814449 DOI: 10.3389/fmicb.2016.00411] [Citation(s) in RCA: 243] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 03/14/2016] [Indexed: 11/20/2022] Open
Abstract
It is well established that non-Saccharomyces wine yeasts, considered in the past as undesired or spoilage yeasts, can enhance the analytical composition, and aroma profile of the wine. The contribution of non-Saccharomyces yeasts, including the ability to secret enzymes and produce secondary metabolites, glycerol and ethanol, release of mannoproteins or contributions to color stability, is species- and strain-specific, pointing out the key importance of a clever strain selection. The use of mixed starters of selected non-Saccharomyces yeasts with strains of Saccharomyces cerevisiae represents an alternative to both spontaneous and inoculated wine fermentations, taking advantage of the potential positive role that non-Saccharomyces wine yeast species play in the organoleptic characteristics of wine. In this context mixed starters can meet the growing demand for new and improved wine yeast strains adapted to different types and styles of wine. With the aim of presenting old and new evidences on the potential of non-Saccharomyces yeasts to address this market trend, we mainly review the studies focused on non-Saccharomyces strain selection and design of mixed starters directed to improve primary and secondary aroma of wines. The ability of non-Saccharomyces wine yeasts to produce enzymes and metabolites of oenological relevance is also discussed.
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Affiliation(s)
- Beatriz Padilla
- Departament de Bioquímica i Biotecnologia, Facultat d’Enologia, Universitat Rovira i VirgiliTarragona, Spain
| | - José V. Gil
- Departamento de Biotecnología de Alimentos, Instituto de Agroquímica y Tecnología de Alimentos, Consejo Superior de Investigaciones CientíficasPaterna, Spain
- Departamento de Medicina Preventiva y Salud Pública, Ciencias de la Alimentación, Toxicología y Medicina Legal, Facultad de Farmacia, Universitat de ValènciaBurjassot, Spain
| | - Paloma Manzanares
- Departamento de Biotecnología de Alimentos, Instituto de Agroquímica y Tecnología de Alimentos, Consejo Superior de Investigaciones CientíficasPaterna, Spain
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Benito S, Hofmann T, Laier M, Lochbühler B, Schüttler A, Ebert K, Fritsch S, Röcker J, Rauhut D. Effect on quality and composition of Riesling wines fermented by sequential inoculation with non-Saccharomyces and Saccharomyces cerevisiae. Eur Food Res Technol 2015. [DOI: 10.1007/s00217-015-2497-8] [Citation(s) in RCA: 116] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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42
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Benito Á, Calderón F, Palomero F, Benito S. Combine Use of Selected Schizosaccharomyces pombe and Lachancea thermotolerans Yeast Strains as an Alternative to the Traditional Malolactic Fermentation in Red Wine Production. Molecules 2015; 20:9510-23. [PMID: 26016543 PMCID: PMC6272599 DOI: 10.3390/molecules20069510] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Revised: 05/11/2015] [Accepted: 05/12/2015] [Indexed: 11/16/2022] Open
Abstract
Most red wines commercialized in the market use the malolactic fermentation process in order to ensure stability from a microbiological point of view. In this second fermentation, malic acid is converted into l-lactic acid under controlled setups. However this process is not free from possible collateral effects that on some occasions produce off-flavors, wine quality loss and human health problems. In warm viticulture regions such as the south of Spain, the risk of suffering a deviation during the malolactic fermentation process increases due to the high must pH. This contributes to produce wines with high volatile acidity and biogenic amine values. This manuscript develops a new red winemaking methodology that consists of combining the use of two non-Saccharomyces yeast strains as an alternative to the traditional malolactic fermentation. In this method, malic acid is totally consumed by Schizosaccharomyces pombe, thus achieving the microbiological stabilization objective, while Lachancea thermotolerans produces lactic acid in order not to reduce and even increase the acidity of wines produced from low acidity musts. This technique reduces the risks inherent to the malolactic fermentation process when performed in warm regions. The result is more fruity wines that contain less acetic acid and biogenic amines than the traditional controls that have undergone the classical malolactic fermentation.
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Affiliation(s)
- Ángel Benito
- Departamento de Química y Tecnología de Alimentos, Universidad Politécnica de Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain.
| | - Fernando Calderón
- Departamento de Química y Tecnología de Alimentos, Universidad Politécnica de Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain.
| | - Felipe Palomero
- Departamento de Química y Tecnología de Alimentos, Universidad Politécnica de Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain.
| | - Santiago Benito
- Departamento de Química y Tecnología de Alimentos, Universidad Politécnica de Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain.
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Belda I, Benito S, Ruiz J, Conchillo LB, Alonso A, Marquina D, Calderón F, Navascués E, Santos A. Directed metabolomic approaches for the characterization and development of new yeast strains. BIO WEB OF CONFERENCES 2015. [DOI: 10.1051/bioconf/20150502003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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45
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Belda I, Navascués E, Marquina D, Santos A, Calderon F, Benito S. Dynamic analysis of physiological properties of Torulaspora delbrueckii in wine fermentations and its incidence on wine quality. Appl Microbiol Biotechnol 2014; 99:1911-22. [PMID: 25408314 DOI: 10.1007/s00253-014-6197-2] [Citation(s) in RCA: 119] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Revised: 10/26/2014] [Accepted: 10/27/2014] [Indexed: 11/28/2022]
Abstract
This work examines the physiology of a new commercial strain of Torulaspora delbrueckii in the production of red wine following different combined fermentation strategies. For a detailed comparison, several yeast metabolites and the strains implantation were measured over the entire fermentation period. In all fermentations in which T. delbrueckii was involved, the ethanol concentration was reduced; some malic acid was consumed; more pyruvic acid was released, and fewer amounts of higher alcohols were produced. The sensorial properties of final wines varied widely, emphasising the structure of wine in sequential fermentations with T. delbrueckii. These wines presented the maximum overall impression and were preferred by tasters. Semi-industrial assays were carried out confirming these differences at a higher scale. No important differences were observed in volatile aroma composition between fermentations. However, differences in mouthfeel properties were observed in semi-industrial fermentations, which were correlated with an increase in the mannoprotein content of red wines fermented sequentially with T. delbrueckii.
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Affiliation(s)
- Ignacio Belda
- Department of Microbiology, Biology Faculty, Complutense University of Madrid, 28040, Madrid, Spain
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