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Zhang Y, Li S, Meng Q, Song H, Wang X. Characterization of Key Odor-Active Compounds in Draft Beers for the Chinese Market Using Molecular Sensory Science Approaches. Molecules 2024; 29:2537. [PMID: 38893413 PMCID: PMC11173443 DOI: 10.3390/molecules29112537] [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: 03/20/2024] [Revised: 05/08/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024] Open
Abstract
Beer is a popular alcoholic beverage worldwide. However, limited research has been conducted on identifying key odor-active components in lager-type draft beers for the Chinese market. Therefore, this study aims to elucidate the odor characteristics of the four most popular draft beer brands through a sensory evaluation and an electronic nose. Subsequently, the four draft beers were analyzed through solid-phase microextraction and liquid-liquid extraction using a two-dimensional comprehensive gas chromatography-olfactometry-mass spectrometry analysis (GC×GC-O-MS). Fifty-five volatile odor compounds were detected through GC×GC-O-MS. Through an Aroma Extract Dilution Analysis, 22 key odor-active compounds with flavor dilution factors ≥ 16 were identified, with 11 compounds having odor activity values > one. An electronic nose analysis revealed significant disparities in the odor characteristics of the four samples, enabling their distinct identification. These findings help us to better understand the flavor characteristics of draft beer and the stylistic differences between different brands of products and provide a theoretical basis for objectively evaluating the quality differences between different brands of draft beer.
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Affiliation(s)
- Yu Zhang
- Laboratory of Molecular Sensory Science, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Sinuo Li
- Laboratory of Molecular Sensory Science, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Qi Meng
- Laboratory of Molecular Sensory Science, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Huanlu Song
- Laboratory of Molecular Sensory Science, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Xiaojun Wang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China
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2
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Ritter SW, Ensslin S, Gastl MI, Becker TM. Identification of key aroma compounds of faba beans (Vicia faba) and their development during germination - a SENSOMICS approach. Food Chem 2024; 435:137610. [PMID: 37806201 DOI: 10.1016/j.foodchem.2023.137610] [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: 06/25/2023] [Revised: 09/17/2023] [Accepted: 09/26/2023] [Indexed: 10/10/2023]
Abstract
Faba beans are a promising source of valuable plant protein. However, their aroma impression is often a hindrance for the use in a broad range of food products. To develop mitigation strategies, a deeper insight into the faba bean aroma is required. Therefore, for the first time, the SENSOMICS concept was applied. First, 52 aroma active compounds in raw and malted faba beans were identified and semi-quantitatively preselected by aroma extract dilution analysis. Afterwards, the aroma compounds were quantified, odor activity values were calculated, and the 17 prominent odors were selected and used in the reconstitution of the faba bean aroma. Seven statistically significant key aroma compounds 3-methylbutanoic acid, (E)-non-2-enal, hexanal, methional, 3-methylbutanal, sotolon, and 2-methylbutan-1-ol were identified in omission experiments. Finally, their development upon malting was studied. To conclude, by knowing the key aroma compounds, specific mitigation strategies can be developed, which facilitates the broader use of faba beans.
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Affiliation(s)
- Stefan W Ritter
- Technical University Munich, Institute of Brewing and Beverage Technology, 85354 Freising, Germany.
| | - Sarah Ensslin
- Technical University Munich, Institute of Brewing and Beverage Technology, 85354 Freising, Germany
| | - Martina I Gastl
- Technical University Munich, Research Center Weihenstephan for Brewing and Food Quality, 85354 Freising, Germany.
| | - Thomas M Becker
- Technical University Munich, Institute of Brewing and Beverage Technology, 85354 Freising, Germany.
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3
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de Lima AC, Aceña L, Mestres M, Boqué R. Monitoring the Evolution of the Aroma Profile of Lager Beer in Aluminium Cans and Glass Bottles during the Natural Ageing Process by Means of HS-SPME/GC-MS and Multivariate Analysis. Molecules 2023; 28:molecules28062807. [PMID: 36985778 PMCID: PMC10055024 DOI: 10.3390/molecules28062807] [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: 02/15/2023] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Headspace solid-phase microextraction coupled to gas chromatography-mass spectrometry (HS-SPME/GC-MS), sensory evaluation, and multivariate analysis were applied to monitor and compare the evolution of the aromatic profile of a lager beer in different types of containers (aluminum cans and glass bottles) during the natural ageing process. Samples were aged naturally for a year in the absence of light with a controlled temperature of around 14 °C +/- 0.5 °C. The sensory evaluation applied was a blind olfactometric triangle test between canned and bottled samples at different periods of aging: fresh, 6 months, and 11 months. The sensory evaluation showed that the panelists were able to differentiate between samples, except for the fresh samples from the brewery. A total of 34 volatile compounds were identified using the HS-SPME/GC-MS technique for both packaging types in this experiment. The application of multivariate analysis to the GC-MS data showed that the samples could not be differentiated according to the type of packaging but could be differentiated by the ageing time. The results showed that the combination of sensory, HS-SPME-GC-MS, and multivariate analysis seemed to be a valuable tool for monitoring and identifying possible changes in the aroma profile of a beer during its shelf life. Furthermore, the results showed that storing beer under optimal conditions helped preserve its quality during its shelf life, regardless of the type of packaging (aluminum can and glass bottle).
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Affiliation(s)
- Ana Carolina de Lima
- Chemometrics, Qualimetrics and Nanosensors Group, Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Campus Sescelades, 43007 Tarragona, Catalonia, Spain
| | - Laura Aceña
- Instrumental Sensometry Group (iSens), Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Campus Sescelades, 43007 Tarragona, Catalonia, Spain
| | - Montserrat Mestres
- Instrumental Sensometry Group (iSens), Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Campus Sescelades, 43007 Tarragona, Catalonia, Spain
| | - Ricard Boqué
- Chemometrics, Qualimetrics and Nanosensors Group, Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Campus Sescelades, 43007 Tarragona, Catalonia, Spain
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Lehnhardt F, Nobis A, Skornia A, Becker T, Gastl M. A Comprehensive Evaluation of Flavor Instability of Beer (Part 1): Influence of Release of Bound State Aldehydes. Foods 2021; 10:foods10102432. [PMID: 34681479 PMCID: PMC8536144 DOI: 10.3390/foods10102432] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/10/2021] [Accepted: 10/11/2021] [Indexed: 11/16/2022] Open
Abstract
Flavor instability of pale lager beer depends decisively on aroma-active aldehydes from the Maillard reaction, Strecker degradation, and lipid oxidation, which are formed in various oxidative and non-oxidative reactions. Therein, aldehydes can be formed de novo and be released from bound states to a free, aroma-active form during aging. During malting and brewing, proteolysis affects the amount of soluble nitrogen and thus flavor instability in different ways (e.g., precursors for de novo formation and binding agents for bound states). To isolate nitrogen-related aging processes, beers from malts (two barley varieties, three proteolytic malt modifications) were produced on a 50 L scale in part 1 of this study. Sensory analysis revealed increased flavor instability for beers with higher amounts of soluble nitrogen. Especially Strecker aldehydes significantly increased with malt modification. The release of bound state aldehydes revealed most free aldehydes in fresh beers and with higher malt modification. During aging, the equilibrium between free and bound state aldehydes shifted toward the free form. These results reveal a nitrogen-dependent bound pool of aldehydes that is depleted during aging and is responsible for aged aroma, especially in the early and medium stages of aging. Therefore, bound state aldehydes are indicators of the early-stage prediction of flavor instability already in a fresh condition.
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Nobis A, Wendl S, Becker T, Gastl M. Formation and degradation of 3‐deoxyglucosone as a key intermediate for ageing indicators during wort boiling. JOURNAL OF THE INSTITUTE OF BREWING 2021. [DOI: 10.1002/jib.668] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Arndt Nobis
- Chair of Brewing and Beverage Technology TU Munich Weihenstephaner Steig 20 Freising 85354 Germany
| | - Stefan Wendl
- Chair of Brewing and Beverage Technology TU Munich Weihenstephaner Steig 20 Freising 85354 Germany
| | - Thomas Becker
- Chair of Brewing and Beverage Technology TU Munich Weihenstephaner Steig 20 Freising 85354 Germany
| | - Martina Gastl
- Chair of Brewing and Beverage Technology TU Munich Weihenstephaner Steig 20 Freising 85354 Germany
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Cucu T, David F, Devos C, Sandra P. Untargeted flavor profiling of lager beers by stir bar sorptive extraction -capillary gas chromatography - time-of-flight mass spectrometry: High analytical performance with a green touch. J Chromatogr A 2021; 1647:462164. [PMID: 33964618 DOI: 10.1016/j.chroma.2021.462164] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/22/2021] [Accepted: 04/12/2021] [Indexed: 12/31/2022]
Abstract
Beer is one of the most popular beverages in the world and its complex flavor is widely appreciated. Beer flavor profiling is important for brewers to optimize beer production and to guarantee odor quality and taste stability of the final products. This is especially the case for pale lager beers that represent the beer type with the largest worldwide production volume. In this study, the combination of stir bar sorptive extraction (SBSE) with capillary gas chromatography (GC) hyphenated to time-of-flight mass spectrometry (TOFMS) was used to perform a detailed aroma profiling of lager beer samples originating from Belgium, The Netherlands, and France. A generic SBSE method was applied resulting in a very broad extraction coverage of odor solutes, while the extraction process is miniaturized, unattended and solventless, meeting green analytical chemistry requirements. Using GC-TOFMS analysis operated in untargeted mode, MS deconvolution and statistical data analysis, with principal component and hierarchical clustering analysis, it was possible to clearly differentiate brands and origins of the beer samples and to identify marker compounds for flavor profiling of these closely related beer samples. An extended database of beer aroma compounds was created. The developed method can be applied in beer quality optimization and quality control in routine laboratories.
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Affiliation(s)
- Tatiana Cucu
- Research Institute for Chromatography (RIC), Pres. Kennedypark 26, B-8500 Kortrijk, Belgium.
| | - Frank David
- Research Institute for Chromatography (RIC), Pres. Kennedypark 26, B-8500 Kortrijk, Belgium
| | - Christophe Devos
- Research Institute for Chromatography (RIC), Pres. Kennedypark 26, B-8500 Kortrijk, Belgium
| | - Pat Sandra
- Research Institute for Chromatography (RIC), Pres. Kennedypark 26, B-8500 Kortrijk, Belgium
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Nobis A, Kunz OS, Gastl M, Hellwig M, Henle T, Becker T. Influence of 3-DG as a Key Precursor Compound on Aging of Lager Beers. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:3732-3740. [PMID: 33724016 DOI: 10.1021/acs.jafc.0c08003] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
3-Deoxyglucosone (3-DG) is a Maillard reaction intermediate, which forms known beer aging compounds such as Strecker aldehydes. However, the role of 3-DG in beer aging stability has not been described yet. To investigate the influence of 3-DG toward beer aging stability, different concentrations of 3-DG were added to the freshly brewed beer at the beginning of storage. Analysis of well-known degradation products of 3-DG such as 3-deoxygalactosone (HPLC-UV), 5-hydroxymethylfurfural (HPLC-UV), Strecker aldehydes (GC-MS), and free glycated amino acids (HPLC-MS/MS) during beer aging revealed that a higher initial 3-DG concentration increases the formation of the products. In this study, the significant importance of 3-DG as a key precursor compound in beer aging has been shown, especially the increase of Strecker aldehydes.
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Affiliation(s)
- Arndt Nobis
- Chair of Brewing and Beverage Technology, TU Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
| | - Oliver Simon Kunz
- Research Center Weihenstephan for Brewing and Food Quality, Alte Akademie, TU Munich, 85354 Freising, Germany
| | - Martina Gastl
- Chair of Brewing and Beverage Technology, TU Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
| | - Michael Hellwig
- Institute of Food Chemistry, TU Braunschweig, Schleinitzstraße 20, 38106 Brauschweig, Germany
| | - Thomas Henle
- Chair of Food Chemistry, TU Dresden, Bergstraße 66, 01069 Dresden, Germany
| | - Thomas Becker
- Chair of Brewing and Beverage Technology, TU Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
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8
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Filipowska W, Jaskula‐Goiris B, Ditrych M, Bustillo Trueba P, De Rouck G, Aerts G, Powell C, Cook D, De Cooman L. On the contribution of malt quality and the malting process to the formation of beer staling aldehydes: a review. JOURNAL OF THE INSTITUTE OF BREWING 2021. [DOI: 10.1002/jib.644] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Weronika Filipowska
- KU Leuven, Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Laboratory of Enzyme, Fermentation and Brewing Technology Technology Campus Ghent Gebroeders De Smetstraat 1 Ghent 9000 Belgium
- International Centre for Brewing Science, School of Biosciences University of Nottingham, Sutton Bonington Campus Sutton Bonington Leicestershire LE12 5RD UK
| | - Barbara Jaskula‐Goiris
- KU Leuven, Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Laboratory of Enzyme, Fermentation and Brewing Technology Technology Campus Ghent Gebroeders De Smetstraat 1 Ghent 9000 Belgium
| | - Maciej Ditrych
- KU Leuven, Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Laboratory of Enzyme, Fermentation and Brewing Technology Technology Campus Ghent Gebroeders De Smetstraat 1 Ghent 9000 Belgium
| | - Paula Bustillo Trueba
- KU Leuven, Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Laboratory of Enzyme, Fermentation and Brewing Technology Technology Campus Ghent Gebroeders De Smetstraat 1 Ghent 9000 Belgium
| | - Gert De Rouck
- KU Leuven, Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Laboratory of Enzyme, Fermentation and Brewing Technology Technology Campus Ghent Gebroeders De Smetstraat 1 Ghent 9000 Belgium
| | - Guido Aerts
- KU Leuven, Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Laboratory of Enzyme, Fermentation and Brewing Technology Technology Campus Ghent Gebroeders De Smetstraat 1 Ghent 9000 Belgium
| | - Chris Powell
- International Centre for Brewing Science, School of Biosciences University of Nottingham, Sutton Bonington Campus Sutton Bonington Leicestershire LE12 5RD UK
| | - David Cook
- International Centre for Brewing Science, School of Biosciences University of Nottingham, Sutton Bonington Campus Sutton Bonington Leicestershire LE12 5RD UK
| | - Luc De Cooman
- KU Leuven, Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Laboratory of Enzyme, Fermentation and Brewing Technology Technology Campus Ghent Gebroeders De Smetstraat 1 Ghent 9000 Belgium
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9
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Louw S. Recent trends in the chromatographic analysis of volatile flavor and fragrance compounds: Annual review 2020. ACTA ACUST UNITED AC 2021. [DOI: 10.1002/ansa.202000158] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Stefan Louw
- Department of Chemistry and Biochemistry University of Namibia Windhoek Namibia
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