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Phongphisutthinant R, Wiriyacharee P, Boonyapranai K, Ounjaijean S, Taya S, Pitchakarn P, Pathomrungsiyounggul P, Utarat P, Wongwatcharayothin W, Somjai C, Chaipoot S. Effect of Conventional Humid-Dry Heating through the Maillard Reaction on Chemical Changes and Enhancement of In Vitro Bioactivities from Soy Protein Isolate Hydrolysate-Yeast Cell Extract Conjugates. Foods 2024; 13:380. [PMID: 38338515 PMCID: PMC10855142 DOI: 10.3390/foods13030380] [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: 12/03/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/12/2024] Open
Abstract
This study investigated the formation of soy protein isolate hydrolysate-yeast cell extract (SPIH-YCE) conjugates through a humid-dry heating process and their impact on bioactivity. The incubation of SPIH-YCE samples at 60 °C and ~75% humidity for varying durations (0, 5, 10, 15, and 20 days) resulted in a significant decrease in reducing sugars and free amino acids, while the degree of glycation increased by approximately 65.72% after 10 days. SDS-PAGE analysis and size exclusion chromatography revealed the presence of peptides and glycoprotein molecules, with an increase in the distribution of larger peptide size chains. The conjugated SPIH-YCE (10 days) exhibited the highest antioxidant capacity compared to the other samples at different incubation times. A comparative study between SPIH-YCE (day 0) and SPIH-YCE after 10 days of incubation showed significantly higher anti-inflammatory and ACE inhibitory activities for the conjugates subjected to the humid-dry heating process. This suggests that SPIH-YCE conjugates could serve as an alternative substance with the potential to provide health benefits by mitigating or preventing non-communicable diseases (NCDs). This research highlights the importance of the Maillard reaction in enhancing bioactivity and offers insights into the alterations of the chemical structure of these conjugates.
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Affiliation(s)
- Rewat Phongphisutthinant
- Multidisciplinary Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand; (R.P.); (S.T.)
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Pairote Wiriyacharee
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (P.P.); (P.U.); (W.W.)
- Processing and Product Development Factory, The Royal Project Foundation, Chiang Mai 50100, Thailand;
| | - Kongsak Boonyapranai
- Research Institute for Health Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.B.); (S.O.)
| | - Sakaewan Ounjaijean
- Research Institute for Health Sciences, Chiang Mai University, Chiang Mai 50200, Thailand; (K.B.); (S.O.)
| | - Sirinya Taya
- Multidisciplinary Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand; (R.P.); (S.T.)
| | | | | | - Patamaphorn Utarat
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (P.P.); (P.U.); (W.W.)
| | | | - Chalermkwan Somjai
- Processing and Product Development Factory, The Royal Project Foundation, Chiang Mai 50100, Thailand;
| | - Supakit Chaipoot
- Multidisciplinary Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand; (R.P.); (S.T.)
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
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2
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Balmaseda A, Rozès N, Bordons A, Reguant C. The use of Torulaspora delbrueckii to improve malolactic fermentation. Microb Biotechnol 2024; 17:e14302. [PMID: 37387409 PMCID: PMC10832531 DOI: 10.1111/1751-7915.14302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 05/26/2023] [Accepted: 06/13/2023] [Indexed: 07/01/2023] Open
Abstract
The potential use of Torulaspora delbrueckii as a starter culture for wine alcoholic fermentation has become a subject of interest in oenological research. The use of this non-Saccharomyces yeast can modulate different wine attributes, such as aromatic substances, organic acids and phenolic compound compositions. Thus, the obtained wines are different from those fermented with Saccharomyces cerevisiae as the sole starter. Nevertheless, information about the possible effects of T. delbrueckii chemical modulation on subsequent malolactic fermentation is still not fully explained. In general, T. delbrueckii is related to a decrease in toxic compounds that negatively affect Oenococcus oeni and an increase in others that are described as stimulating compounds. In this work, we aimed to compile the changes described in studies using T. delbrueckii in wine that can have a potential effect on O. oeni and highlight those works that directly evaluated O. oeni performance in T. delbrueckii fermented wines.
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Affiliation(s)
- Aitor Balmaseda
- Grup de Biotecnologia Enològica, Departament de Bioquímica i Biotecnologia, Facultat d'EnologiaUniversitat Rovira i VirgiliTarragonaCataloniaSpain
| | - Nicolas Rozès
- Grup de Biotecnologia Microbiana dels Aliments, Departament de Bioquímica i Biotecnologia, Facultat d'EnologiaUniversitat Rovira i VirgiliTarragonaCataloniaSpain
| | - Albert Bordons
- Grup de Biotecnologia Enològica, Departament de Bioquímica i Biotecnologia, Facultat d'EnologiaUniversitat Rovira i VirgiliTarragonaCataloniaSpain
| | - Cristina Reguant
- Grup de Biotecnologia Enològica, Departament de Bioquímica i Biotecnologia, Facultat d'EnologiaUniversitat Rovira i VirgiliTarragonaCataloniaSpain
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3
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Moreira LDPD, Corich V, Jørgensen EG, Devold TG, Nadai C, Giacomini A, Porcellato D. Potential bioactive peptides obtained after in vitro gastrointestinal digestion of wine lees from sequential fermentations. Food Res Int 2024; 176:113833. [PMID: 38163727 DOI: 10.1016/j.foodres.2023.113833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/30/2023] [Accepted: 12/05/2023] [Indexed: 01/03/2024]
Abstract
The biotechnological reuse of winery by-products has great potential to increase the value and sustainability of the wine industry. Recent studies revealed that yeast biomass can be an exciting source of bioactive peptides with possible benefits for human health, and its incorporation in plant-based foods is considered innovative and sustainable. In this study, we aimed to identify, through in silico analyses, potential bioactive peptides from yeast extracts after in vitro digestion. Wine lees from a non-Saccharomyces oenological yeast, Starmerella bacillaris FRI751, Saccharomyces cerevisiae EC1118, and sequential fermentation performed with both strains (SEQ) were recovered in a synthetic must. Cellular pellets were enzymatically treated with zymolyase, and the yeast extracts were submitted to in vitro gastrointestinal digestions. LC-MS/MS sequenced the hydrolyzed peptides, and their potential bioactivity was inferred. S. bacillaris FRI751 fermentation showed 132 peptide sequences, S. cerevisiae EC1118 60, SEQ 89. A total of 243 unique peptide sequences were identified across the groups. Furthermore, based on the peptide sequence, the FRI751 extract showed the highest potential antihypertensive with 275 bioactive fragments. Other bioactivities, such as antimicrobial and immunomodulatory, were also identified in all yeast extracts. A potential antiobesity bioactive peptide VVP was identified only in the yeast extract from S. bacillaris single strain. The wine lees from S. bacillaris single strain and SEQ fermentation are a richer source of potential bioactive peptides than those from S. cerevisiae fermentation. This study opens new possibilities in the valorization of winemaking by-products.
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Affiliation(s)
- Luiza de Paula Dias Moreira
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, PD, Italy; Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
| | - Viviana Corich
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, PD, Italy; Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, TV, Italy.
| | - Emilie Gullberg Jørgensen
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
| | - Tove Gulbrandsen Devold
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
| | - Chiara Nadai
- Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, TV, Italy; Department of Land, Environment, Agriculture and Forestry (TESAF), University of Padova, Legnaro, PD, Italy
| | - Alessio Giacomini
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, PD, Italy; Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, TV, Italy
| | - Davide Porcellato
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
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4
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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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5
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Fazio NA, Russo N, Foti P, Pino A, Caggia C, Randazzo CL. Inside Current Winemaking Challenges: Exploiting the Potential of Conventional and Unconventional Yeasts. Microorganisms 2023; 11:1338. [PMID: 37317312 DOI: 10.3390/microorganisms11051338] [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: 03/28/2023] [Revised: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 06/16/2023] Open
Abstract
Wine represents a complex matrix in which microbial interactions can strongly impact the quality of the final product. Numerous studies have focused on optimizing microbial approaches for addressing new challenges to enhance quality, typicity, and food safety. However, few studies have investigated yeasts of different genera as resources for obtaining wines with new, specific traits. Currently, based on the continuous changes in consumer demand, yeast selection within conventional Saccharomyces cerevisiae and unconventional non-Saccharomyces yeasts represents a suitable opportunity. Wine fermentation driven by indigenous yeasts, in the various stages, has achieved promising results in producing wines with desired characteristics, such as a reduced content of ethanol, SO2, and toxins, as well as an increased aromatic complexity. Therefore, the increasing interest in organic, biodynamic, natural, or clean wine represents a new challenge for the wine sector. This review aims at exploring the main features of different oenological yeasts to obtain wines reflecting the needs of current consumers in a sustainability context, providing an overview, and pointing out the role of microorganisms as valuable sources and biological approaches to explore potential and future research opportunities.
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Affiliation(s)
- Nunzio A Fazio
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
| | - Nunziatina Russo
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
- ProBioEtna Srl, Spin off University of Catania, Via S. Sofia 100, 95123 Catania, Italy
| | - Paola Foti
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
| | - Alessandra Pino
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
- ProBioEtna Srl, Spin off University of Catania, Via S. Sofia 100, 95123 Catania, Italy
| | - Cinzia Caggia
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
- ProBioEtna Srl, Spin off University of Catania, Via S. Sofia 100, 95123 Catania, Italy
| | - Cinzia L Randazzo
- Department of Agriculture, Food and Environment, University of Catania, Via S. Sofia, 100, 95123 Catania, Italy
- ProBioEtna Srl, Spin off University of Catania, Via S. Sofia 100, 95123 Catania, Italy
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6
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Paup VD, Aplin JJ, Potter RI, Edwards CG, Lee J, Ross CF. Sensory properties of 6- and 18-month-stored wines made with pectinase-producing non-Saccharomyces yeasts. J Food Sci 2023; 88:462-476. [PMID: 36529878 PMCID: PMC10107785 DOI: 10.1111/1750-3841.16418] [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: 05/09/2022] [Revised: 11/10/2022] [Accepted: 11/22/2022] [Indexed: 12/23/2022]
Abstract
Recently, the use and commercial availability of non-Saccharomyces yeasts (NSY) in winemaking to reduce alcohol content have increased. However, research exploring the influence on sensory quality of the wine, particularly during storage, is limited. Therefore, the objective of this study was to characterize the sensory profiles of Merlot and Chardonnay wines made with pectinase-producing NSY, with added substrate, that is, pectin. Apple pectin (0 or 0.5 g/L) was added to Merlot and Chardonnay grape musts after inoculation with (a) only Saccharomyces cerevisiae or (b) a three species mixture of NSY; after 3 days, S. cerevisiae was added. Addition of NSY with added pectin resulted in higher concentrations of d-galacturonic acid and glycerol concentration in the wines after 6 months of aging. However, mouthfeel (viscosity or weight) of wines with or without added pectin as determined by a sensory evaluation panel was not altered by the presence of these yeasts. Significant interactions among the yeast utilized, pectin addition, and 6-month aging affected some flavors (solvent) of Merlot, while addition of NSY increased other attributes (cherry) during aging. No sensory differences were perceived among Chardonnay samples due to NSY; however, aging from 6 to 18 months increased the intensity of 40 sensory attributes. Though mouthfeel was not specifically affected, the utilization of NSY may be a useful tool to alter wine quality in Merlot by increasing specific aromas during storage. PRACTICAL APPLICATION: We found that must fermented with pectinase-producing non-Saccharomyces yeasts (NSY) modified the chemical composition of the final young wine. After one additional year of aging, an increase in cherry flavor was observed in Merlot wines made with NSY, which may increase perceived quality. Thus, the use of these pectinase-producing NSY may be a useful tool for winemakers.
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Affiliation(s)
- Victoria D Paup
- School of Food Science, Washington State University, Pullman, Washington, USA
| | - Jesse J Aplin
- School of Food Science, Washington State University, Pullman, Washington, USA.,United States Pharmacopeia, Rockville, Maryland, USA
| | - Rachel I Potter
- School of Food Science, Washington State University, Pullman, Washington, USA
| | - Charles G Edwards
- School of Food Science, Washington State University, Pullman, Washington, USA
| | - Jungmin Lee
- Horticultural Crops Production and Genetic Improvement Research Unit, Agricultural Research Service (ARS), United States Department of Agriculture (USDA), Corvallis, Oregon, USA
| | - Carolyn F Ross
- School of Food Science, Washington State University, Pullman, Washington, USA
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Paup VD, Barton TL, Edwards CG, Lange I, Lange BM, Lee J, Ross CF. Improving the chemical and sensory characteristics of red and white wines with pectinase‐producing non‐
Saccharomyces
yeasts. J Food Sci 2022; 87:5402-5417. [DOI: 10.1111/1750-3841.16371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 09/09/2022] [Accepted: 10/11/2022] [Indexed: 11/12/2022]
Affiliation(s)
- Victoria D. Paup
- School of Food Science Washington State University Pullman Washington USA
| | - Tara L. Barton
- School of Food Science Washington State University Pullman Washington USA
| | - Charles G. Edwards
- School of Food Science Washington State University Pullman Washington USA
| | - Iris Lange
- Institute of Biological Chemistry and M.J. Murdock Metabolomics Laboratory Washington State University Pullman Washington USA
| | - B. Markus Lange
- Institute of Biological Chemistry and M.J. Murdock Metabolomics Laboratory Washington State University Pullman Washington USA
| | - Jungmin Lee
- United States Department of Agriculture (USDA), Agricultural Research Service (ARS) Horticultural Crops Research Unit Corvallis Oregon USA
| | - Carolyn F. Ross
- School of Food Science Washington State University Pullman Washington USA
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Starmerella bacillaris Strains Used in Sequential Alcoholic Fermentation with Saccharomyces cerevisiae Improves Protein Stability in White Wines. FERMENTATION 2022. [DOI: 10.3390/fermentation8060252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Haze can appear in white wines as a result of the denaturation and subsequent aggregation of grape pathogenesis-related (PR) proteins. Yeast cell-wall polysaccharides, particularly mannoproteins, represent a promising strategy to reduce the incidence of this phenomenon. The aim of this study was to evaluate the effects of 13 Starmerella bacillaris strains, in sequential fermentation with Saccharomyces cerevisiae, on wine protein stability of three white wines (Sauvignon blanc, Pinot grigio, and Manzoni bianco). The resulting wines were characterized in terms of their chemical composition, content of PR proteins and polysaccharides, and heat stability. In addition, the mannoprotein fraction was purified from six wines, five produced with S. bacillaris and one with S. cerevisiae EC1118 used as control. Generally, wines produced with S. bacillaris strains were more heat-stable, despite generally containing higher amounts of PR proteins. The increased heat stability of Starmerella wines was attributed to the stabilizing effect resulting from their higher concentrations of both total polysaccharides and mannoprotein fractions. In particular, for the most heat unstable wine (Manzoni bianco), the low MW mannoprotein fraction resulted to be the most involved in wine stability. The ability to produce wines with different heat stability was demonstrated to be strain-dependent and was more evident in the most unstable wines. By reducing fining waste, the use of S. bacillaris as an enological starter can be proposed as a new tool to manage wine protein stability for a more sustainable winemaking.
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Vejarano R, Luján-Corro M. Red Wine and Health: Approaches to Improve the Phenolic Content During Winemaking. Front Nutr 2022; 9:890066. [PMID: 35694174 PMCID: PMC9174943 DOI: 10.3389/fnut.2022.890066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 05/05/2022] [Indexed: 12/25/2022] Open
Abstract
There is ample evidence regarding the health benefits of red wine consumption due to its content of phenolic compounds, as an alternative to improve the state of health and prevent various diseases, being the implementation of procedures that allow a greater extraction and stability of phenolic compounds during the elaboration a key aspect. The first part of this review summarizes some studies, mostly at the preclinical level, on the mechanisms by which phenolic compounds act in the human organism, taking advantage of their antioxidant, anti-inflammatory, antitumor, antithrombotic, antiatherogenic, antimicrobial, antiviral, and other activities. Although the migration of grape components into the must/wine occurs during the winemaking process, the application of new technologies may contribute to increasing the content of phenolic compounds in the finished wine. Some of these technologies have been evaluated on an industrial scale, and in some cases, they have been included in the International Code of Oenological Practice by the International Organization of Vine and Wine (OIV). In this sense, the second part of this review deals with the use of these novel technologies that can increase, or at least maintain, the polyphenol content. For example, in the pre-fermentative stage, phenolic extraction can be increased by treating the berries or must with high pressures, pulsed electric fields (PEF), ultrasound (US), e-beam radiation or ozone. At fermentative level, yeasts with high production of pyranoanthocyanins and/or their precursor molecules, low polyphenol absorption, and low anthocyanin-β-glucosidase activity can be used. Whereas, at the post-fermentative level, aging-on-lees (AOL) can contribute to maintaining polyphenol levels, and therefore transmitting health benefits to the consumer.
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Affiliation(s)
- Ricardo Vejarano
- Department of Research, Innovation and Social Responsibility, Universidad Privada del Norte (UPN), Trujillo, Peru
| | - Mariano Luján-Corro
- School of Agroindustrial Engineering, Universidad Nacional de Trujillo (UNT), Trujillo, Peru
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10
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Wei R, Wang L, Ding Y, Zhang L, Gao F, Chen N, Song Y, Li H, Wang H. Natural and sustainable wine: a review. Crit Rev Food Sci Nutr 2022; 63:8249-8260. [PMID: 35333679 DOI: 10.1080/10408398.2022.2055528] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
With the awakening of consumers' awareness of sustainable development issues and demand for terroir wines, natural wines provide opportunities for the future development of the wine industry. Microbiomes are integral to viticulture and winemaking, where various microorganisms can exert positive and negative effects on grape health and wine quality. Communities of microorganisms associated with the vineyard play an important role in soil productivity as well as disease resistance developed by the vine. Wine is a fermented natural product, and the vineyard serves as a key point of entry for quality-modulating microbiota, particularly in wine fermentations that are conducted without the addition of exogenous yeasts. Thus, the sources and persistence of wine-relevant microbiota in vineyards critically impact its quality. In this review, we first examined that mimicking natural ecological cultivation to improve microbial diversity can enhance vineyard ecological services and reduce external inputs; then we examined that grape berries naturally possess all the elements of winemaking, including the nutrients for microbial growth, driving forces for the microbiota succession, and the enzymatic system for biochemical reactions; finally, we examined food safety, stability, specific interventions, and sustainability of natural wine industry-scale practices.
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Affiliation(s)
- Ruteng Wei
- College of Enology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Lin Wang
- College of Enology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Yinting Ding
- College of Enology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Liang Zhang
- College of Enology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Feifei Gao
- College of Enology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Ning Chen
- College of Enology, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Yinghui Song
- Penglai Vine and Wine Industry Development Service Center, Yantai, Shandong, PR China
| | - Hua Li
- College of Enology, Northwest A&F University, Yangling, Shaanxi, PR China
- Shaanxi Engineering Research Center for Viti-Viniculture, Yangling, Shaanxi, PR China
- China Wine Industry Technology Institute, Zhongguancun innovation Center, Yinchuan, Ningxia, PR China
| | - Hua Wang
- College of Enology, Northwest A&F University, Yangling, Shaanxi, PR China
- Shaanxi Engineering Research Center for Viti-Viniculture, Yangling, Shaanxi, PR China
- China Wine Industry Technology Institute, Zhongguancun innovation Center, Yinchuan, Ningxia, PR China
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11
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Machine Learning Techniques Disclose the Combined Effect of Fermentation Conditions on Yeast Mixed-Culture Dynamics and Wine Quality. Microorganisms 2022; 10:microorganisms10010107. [PMID: 35056556 PMCID: PMC8781278 DOI: 10.3390/microorganisms10010107] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/27/2021] [Accepted: 12/28/2021] [Indexed: 01/15/2023] Open
Abstract
The use of yeast starter cultures consisting of a blend of Saccharomyces cerevisiae and non-Saccharomyces yeasts has increased in recent years as a mean to address consumers’ demands for diversified wines. However, this strategy is currently limited by the lack of a comprehensive knowledge regarding the factors that determine the balance between the yeast-yeast interactions and their responses triggered in complex environments. Our previous studies demonstrated that the strain Hanseniaspora guilliermondii UTAD222 has potential to be used as an adjunct of S. cerevisiae in the wine industry due to its positive impact on the fruity and floral character of wines. To rationalize the use of this yeast consortium, this study aims to understand the influence of production factors such as sugar and nitrogen levels, fermentation temperature, and the level of co-inoculation of H. guilliermondii UTAD222 in shaping fermentation and wine composition. For that purpose, a Central Composite experimental Design was applied to investigate the combined effects of the four factors on fermentation parameters and metabolites produced. The patterns of variation of the response variables were analyzed using machine learning methods, to describe their clustered behavior and model the evolution of each cluster depending on the experimental conditions. The innovative data analysis methodology adopted goes beyond the traditional univariate approach, being able to incorporate the modularity, heterogeneity, and hierarchy inherent to metabolic systems. In this line, this study provides preliminary data and insights, enabling the development of innovative strategies to increase the aromatic and fermentative potential of H. guilliermondii UTAD222 by modulating temperature and the availability of nitrogen and/or sugars in the medium. Furthermore, the strategy followed gathered knowledge to guide the rational development of mixed blends that can be used to obtain a particular wine style, as a function of fermentation conditions.
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12
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Tofalo R, Suzzi G, Perpetuini G. Discovering the Influence of Microorganisms on Wine Color. Front Microbiol 2021; 12:790935. [PMID: 34925298 PMCID: PMC8678073 DOI: 10.3389/fmicb.2021.790935] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 11/15/2021] [Indexed: 01/08/2023] Open
Abstract
Flavor, composition and quality of wine are influenced by microorganisms present on the grapevine surface which are transferred to the must during vinification. The microbiota is highly variable with a prevalence of non-Saccharomyces yeasts, whereas Saccharomyces cerevisiae is present at low number. For wine production an essential step is the fermentation carried out by different starter cultures of S. cerevisiae alone or in mixed fermentation with non-Saccharomyces species that produce wines with significant differences in chemical composition. During vinification wine color can be influenced by yeasts interacting with anthocyanin. Yeasts can influence wine phenolic composition in different manners: direct interactions—cell wall adsorption or enzyme activities—and/or indirectly—production of primary and secondary metabolites and fermentation products. Some of these characteristics are heritable trait in yeast and/or can be strain dependent. For this reason, the stability, aroma, and color of wines depend on strain/strains used during must fermentation. Saccharomyces cerevisiae or non-Saccharomyces can produce metabolites reacting with anthocyanins and favor the formation of vitisin A and B type pyranoanthocyanins, contributing to color stability. In addition, yeasts affect the intensity and tonality of wine color by the action of β-glycosidase on anthocyanins or anthocyanidase enzymes or by the pigments adsorption on the yeast cell wall. These activities are strain dependent and are characterized by a great inter-species variability. Therefore, they should be considered a target for yeast strain selection and considered during the development of tailored mixed fermentations to improve wine production. In addition, some lactic acid bacteria seem to influence the color of red wines affecting anthocyanins’ profile. In fact, the increase of the pH or the ability to degrade pyruvic acid and acetaldehyde, as well as anthocyanin adsorption by bacterial cells are responsible for color loss during malolactic fermentation. Lactic acid bacteria show different adsorption capacity probably because of the variable composition of the cell walls. The aim of this review is to offer a critical overview of the roles played by wine microorganisms in the definition of intensity and tonality of wines’ color.
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Affiliation(s)
- Rosanna Tofalo
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Giovanna Suzzi
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Giorgia Perpetuini
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
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Commercially Available Non-Saccharomyces Yeasts for Winemaking: Current Market, Advantages over Saccharomyces, Biocompatibility, and Safety. FERMENTATION 2021. [DOI: 10.3390/fermentation7030171] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
About 42 commercial products based on non-Saccharomyces yeasts are estimated as available on the market, being mostly pure cultures (79%), with a predominance of Torulaspora delbrueckii, Lachancea thermotolerans, and Metschnikowia pulcherrima. The others are multi-starter consortia that include non-Saccharomyces/Saccharomyces mixtures or only non-Saccharomyces species. Several commercial yeasts have shown adequate biocompatibility with S. cerevisiae in mixed fermentations, allowing an increased contribution of metabolites of oenological interest, such as glycerol, esters, higher alcohols, acids, thiols, and terpenes, among others, in addition to a lower production of acetic acid, volatile phenols, biogenic amines, or urea. Multi-starter inoculations are also reviewed here, which show adequate biocompatibility and synergy between species. In certain cases, the aromatic profile of wines based on grape varieties considered neutral is improved. In addition, several yeasts show the capacity as biocontrollers against contaminating microorganisms. The studies conducted to date demonstrate the potential of these yeasts to improve the properties of wine as an alternative and complement to the traditional S. cerevisiae.
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Use of Yeast Mannoproteins by Oenococcus oeni during Malolactic Fermentation under Different Oenological Conditions. Foods 2021; 10:foods10071540. [PMID: 34359413 PMCID: PMC8305826 DOI: 10.3390/foods10071540] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 06/25/2021] [Accepted: 07/01/2021] [Indexed: 01/28/2023] Open
Abstract
Oenococcus oeni is the main agent of malolactic fermentation in wine. This fermentation takes place after alcoholic fermentation, in a low nutrient medium where ethanol and other inhibitor compounds are present. In addition, some yeast-derived compounds such as mannoproteins can be stimulatory for O. oeni. The mannoprotein concentration in wine depends on the fermenting yeasts, and non-Saccharomyces in particular can increase it. As a result of the hydrolytic activity of O. oeni, these macromolecules can be degraded, and the released mannose can be taken up and used as an energy source by the bacterium. Here we look at mannoprotein consumption and the expression of four O. oeni genes related to mannose uptake (manA, manB, ptsI, and ptsH) in a wine-like medium supplemented with mannoproteins and in natural wines fermented with different yeasts. We observe a general gene upregulation in response to wine-like conditions and different consumption patterns in the studied media. O. oeni was able to consume mannoproteins in all the wines. This consumption was notably higher in natural wines, especially in T. delbrueckii and S. cerevisiae 3D wines, which presented the highest mannoprotein levels. Regardless of the general upregulation, it seems that mannoprotein degradation is more closely related to the fermenting medium.
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15
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Snyman C, Mekoue Nguela J, Sieczkowski N, Marangon M, Divol B. Optimised Extraction and Preliminary Characterisation of Mannoproteins from Non- Saccharomyces Wine Yeasts. Foods 2021; 10:foods10050924. [PMID: 33922275 PMCID: PMC8145949 DOI: 10.3390/foods10050924] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/14/2021] [Accepted: 04/14/2021] [Indexed: 11/16/2022] Open
Abstract
The exogenous application of yeast-derived mannoproteins presents many opportunities for the improvement of wine technological and oenological properties. Their isolation from the cell wall of Saccharomycescerevisiae has been well studied. However, investigations into the efficiency of extraction methods from non-Saccharomyces yeasts are necessary to explore the heterogeneity in structure and composition that varies between yeast species, which may influence wine properties such as clarity and mouthfeel. In this study, nine yeast strains were screened for cell wall mannoprotein content using fluorescence microscopy techniques. Four species were subsequently exposed to a combination of mechanical and enzymatic extraction methods to optimize mannoprotein yield. Yeast cells subjected to 4 min of ultrasound treatment applied at 80% of the maximum possible amplitude with a 50% duty cycle, followed by an enzymatic treatment of 4000 U lyticase per g dry cells weight, showed the highest mannoprotein-rich yield from all species. Furthermore, preliminary evaluation of the obtained extracts revealed differences in carbohydrate/protein ratios between species and with increased enzyme incubation time. The results obtained in this study form an important step towards further characterization of extraction treatment impact and yeast species effect on the isolated mannoproteins, and their subsequent influence on wine properties.
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Affiliation(s)
- Carla Snyman
- South African Grape and Wine Research Institute, Department of Viticulture and Oenology, Private Bag X1, 7602 Matieland, South Africa;
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Viale Dell’Università 16, Legnaro, 35020 Padova, Italy;
| | - Julie Mekoue Nguela
- Lallemand SAS, 19 Rue des Briquetiers, BP 59, 31702 Blagnac, France; (J.M.N.); (N.S.)
| | - Nathalie Sieczkowski
- Lallemand SAS, 19 Rue des Briquetiers, BP 59, 31702 Blagnac, France; (J.M.N.); (N.S.)
| | - Matteo Marangon
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Viale Dell’Università 16, Legnaro, 35020 Padova, Italy;
| | - Benoit Divol
- South African Grape and Wine Research Institute, Department of Viticulture and Oenology, Private Bag X1, 7602 Matieland, South Africa;
- Correspondence:
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Abstract
Non-Saccharomyces yeast species are currently a biotechnology trend in enology and broadly used to improve the sensory profile of wines because they affect aroma, color, and mouthfeel. They have become a powerful biotool to modulate the influence of global warming on grape varieties, helping to maintain the acidity, decrease the alcoholic degree, stabilize wine color, and increase freshness. In cool climates, some non-Saccharomyces can promote demalication or color stability by the formation of stable derived pigments. Additionally, non-Saccharomyces yeasts open new possibilities in biocontrol for removing spoilage yeast and bacteria or molds that can produce and release mycotoxins, and therefore, can help in reducing SO2 levels. The promising species Hanseniaspora vineae is analyzed in depth in this Special Issue in two articles, one concerning the glycolytic and fermentative metabolisms and its positive role and sensory impact by the production of aromatic esters and lysis products during fermentation are also assessed.
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