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Meza-Márquez OG, Rodríguez-Híjar AR, Gallardo-Velázquez T, Osorio-Revilla G, Ramos-Monroy OA. The Prediction of Quality Parameters of Craft Beer with FT-MIR and Chemometrics. Foods 2024; 13:1157. [PMID: 38672830 PMCID: PMC11049648 DOI: 10.3390/foods13081157] [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: 03/21/2024] [Revised: 04/06/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Beer is one of the oldest and most known alcoholic beverages whose organoleptic characteristics are the attributes that the consumer seeks, which is why it is essential to ensure proper quality control of the final product. Fourier transform mid-infrared (FT-MIR) spectroscopy coupled with multivariate analysis can be an alternative to traditional methods to predict quality parameters in craft beer. This study aims to develop prediction models based on FT-MIR spectroscopy to simultaneously quantify quality parameters (color, specific gravity, alcohol volume, bitterness, turbidity, pH, and total acidity) in craft beer. Additionally, principal component analysis (PCA) was applied, and it was possible to classify craft beer samples according to their style. Partial least squares (PLS1) developed the best predictive model by obtaining higher R2c (0.9999) values and lower standard error of calibration (SEC: 0.01-0.11) and standard error of prediction (SEP: 0.01-0.14) values in comparison to the models developed with the other algorithms. Specific gravity could not be predicted due to the low variability in the values. Validation and prediction with external samples confirmed the predictive capacity of the developed model. By making a comparison to traditional techniques, FT-MIR coupled with multivariate analysis has a higher advantage, since it is rapid (approximately 6 min), efficient, cheap, and eco-friendly because it does not require the use of solvents or reagents, representing an alternative to simultaneously analyzing quality parameters in craft beer.
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Affiliation(s)
- Ofelia Gabriela Meza-Márquez
- Departamento de Ingeniería Bioquímica, Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas-Zacatenco, Av. Wilfrido Massieu S/N, Esq. Cda. Miguel Stampa, Col. Unidad Profesional Adolfo López Mateos, Zacatenco, Alcaldía Gustavo A. Madero, Ciudad de México C.P. 07738, Mexico; (A.R.R.-H.); (G.O.-R.); (O.A.R.-M.)
| | - Andrés Ricardo Rodríguez-Híjar
- Departamento de Ingeniería Bioquímica, Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas-Zacatenco, Av. Wilfrido Massieu S/N, Esq. Cda. Miguel Stampa, Col. Unidad Profesional Adolfo López Mateos, Zacatenco, Alcaldía Gustavo A. Madero, Ciudad de México C.P. 07738, Mexico; (A.R.R.-H.); (G.O.-R.); (O.A.R.-M.)
| | - Tzayhri Gallardo-Velázquez
- Departamento de Biofísica, Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas-Santo Tomás, Prolongación de Carpio y Plan de Ayala S/N, Col. Santo Tomás, Alcaldía Miguel Hidalgo, Ciudad de México C.P. 11340, Mexico;
| | - Guillermo Osorio-Revilla
- Departamento de Ingeniería Bioquímica, Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas-Zacatenco, Av. Wilfrido Massieu S/N, Esq. Cda. Miguel Stampa, Col. Unidad Profesional Adolfo López Mateos, Zacatenco, Alcaldía Gustavo A. Madero, Ciudad de México C.P. 07738, Mexico; (A.R.R.-H.); (G.O.-R.); (O.A.R.-M.)
| | - Oswaldo Arturo Ramos-Monroy
- Departamento de Ingeniería Bioquímica, Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas-Zacatenco, Av. Wilfrido Massieu S/N, Esq. Cda. Miguel Stampa, Col. Unidad Profesional Adolfo López Mateos, Zacatenco, Alcaldía Gustavo A. Madero, Ciudad de México C.P. 07738, Mexico; (A.R.R.-H.); (G.O.-R.); (O.A.R.-M.)
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2
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Klimczak K, Cioch-Skoneczny M, Duda-Chodak A. Effects of Dry-Hopping on Beer Chemistry and Sensory Properties-A Review. Molecules 2023; 28:6648. [PMID: 37764422 PMCID: PMC10534726 DOI: 10.3390/molecules28186648] [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: 08/23/2023] [Revised: 09/12/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
Dry-hopping is the addition of hops to the wort on the cold side of the brewing process. Unlike standard hop additions, its main purpose is not to produce a characteristic bitterness but to extract as much of the hop essential oils as possible, which are largely lost in the standard hopping process. When dry-hopped, it is possible to obtain a beer with an aroma that is difficult to achieve when hops are used on the hot side of the brewing process. As a result, this process has become very popular in recent years, particularly in beers that belong to the 'craft beer revolution' trend. In addition, the usefulness of this process is increasing with the development of new hop varieties with unique aromas. This article presents the main components of hops, focusing on those extracted during the process. Changes in the composition of beer bittering compounds and essential oils resulting from this process are discussed. This paper presents the current state of the knowledge on the factors affecting the degree of extraction, such as hop dosage, the time, and temperature of the process. Issues such as process-related physicochemical changes, hop creep, low flavor stability, haze formation, and green flavor are also discussed.
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Affiliation(s)
- Krystian Klimczak
- Department of Fermentation Technology and Microbiology, Faculty of Food Technology, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Kraków, Poland
| | - Monika Cioch-Skoneczny
- Department of Fermentation Technology and Microbiology, Faculty of Food Technology, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Kraków, Poland
| | - Aleksandra Duda-Chodak
- Department of Fermentation Technology and Microbiology, Faculty of Food Technology, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Kraków, Poland
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3
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Singh A, Singh S, Kansal SK, Garg M, Krishania M. Production and characterization of anthocyanin-rich beer from black wheat by an efficient isolate Saccharomyces cerevisiae CMS12. Sci Rep 2023; 13:5863. [PMID: 37041167 PMCID: PMC10090066 DOI: 10.1038/s41598-023-32687-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 03/31/2023] [Indexed: 04/13/2023] Open
Abstract
Beer is the world's third most popular fermented beverage. It is typically made from malted barley. Tropical countries must import barley from temperate countries for brewing, which is an expensive process. Therefore, it is critical to investigate alternative possible substrates for beer production in order to meet the growing demand for high-nutritional-quality beer. The current study involves the creation of a fermented beverage from anthocyanin-rich black wheat with the help of yeast, Saccharomyces cerevisiae CMS12, isolated from fruit waste. Characterization (UV, HPLC, NMR, FTIR, and ICPMS) was then performed, as well as a comparative study with white (amber) wheat beer. Further, process parameters optimization included initial sugar concentration, inoculum size, and pH. Black wheat wort contained 568 mg GAE/L total phenolic content, 4.67 mg/L anthocyanin concentration, 6.8% (v/v) alcohol content, and a pH of 4.04. The sensory analysis revealed that black wheat beer was more acceptable than white wheat beer. The developed fermented beverage has enormous commercialization potential.
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Affiliation(s)
- Arshpreet Singh
- Center of Innovative and Applied Bioprocessing (CIAB), Sector-81, Mohali, 140306, India
- Dr S S Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh, India
| | - Saumya Singh
- Center of Innovative and Applied Bioprocessing (CIAB), Sector-81, Mohali, 140306, India
| | - Sushil K Kansal
- Dr S S Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh, India
| | - Monika Garg
- National Agri-Food Biotechnology Institute (NABI), Sector-81, Mohali, 140306, India
| | - Meena Krishania
- Center of Innovative and Applied Bioprocessing (CIAB), Sector-81, Mohali, 140306, India.
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Sileoni V, Maranghi S, De Francesco G, Perretti G, Marconi O. Flavour Stability of a Cold-Stored Unpasteurized Low-Alcohol Beer Produced by Saccharomycodes ludwigii. FOOD BIOPROCESS TECH 2023. [DOI: 10.1007/s11947-023-03061-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Abstract
AbstractLow-alcohol beer (LAB) is a growing part of the brewing industry in terms of market volumes and consumer interest. Universities and research centres are making efforts to improve organoleptic profile and flavour stability of the product. One of the main limitations of such products is the stability. These beers must be severely filtered and pasteurized, causing a significant loss of quality in terms of flavour. Herein, flavour stability of an unpasteurized and unfiltered LAB was checked during 120 days of cold storage (4 ± 1 °C). The results showed that the beer remained stable for 120 days for many observed parameters. The alcohol content increased from 0.5 to 0.7% v/v. The beer without oxygen was more stable than that filled with oxygen in the headspace. The results confirmed the possibility to produce an unpasteurized craft LAB by Saccharomycodes ludwigii by the cold chain.
Graphical Abstract
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Sewwandi M, Wijesekara H, Rajapaksha AU, Soysa S, Vithanage M. Microplastics and plastics-associated contaminants in food and beverages; Global trends, concentrations, and human exposure. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 317:120747. [PMID: 36442819 DOI: 10.1016/j.envpol.2022.120747] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 06/16/2023]
Abstract
Microplastics has become a global concern due to their ubiquitous presence which poses unavoidable human exposure risks. Geographical distribution and yearly trends of research on microplastics, food, and beverages do not exist. Thus, no overall account is available regarding the presence of microplastics and plastics-associated contaminants in food and beverages. Hence, this attempt is to review the geographical distribution of studies through a brief bibliometric analysis and the plastics-associated contaminants including plasticizers and microplastics in food and beverages. Estimated microplastic consumption has been listed for the pool of publications reviewed here. Further, this review discusses the ingestion potency of micropollutants associated with microplastics, possible health impacts, and existing challenges. Global trend in research exponentially increased after 2018 and China is leading. Studies on microplastics were limited to a few beverages and food; milk, beer, tea, refreshing drinks, salt, sugar, honey, etc., whereas seafood and drinking water have been extensively studied. Publications on plastic-additives were reported in two ways; migration of plastic-additives from packaging by leaching and the presence of plastic-additives in food and beverages. Bisphenol A and bis(2-Ethylhexyl) phthalate were the most frequently reported both in food and beverages. Exposure of packaging material to high temperatures predominantly involves plastic-additive contamination in food and beverages. Microplastics-bound micropollutants can also be ingested through food and beverages; however, a lack of knowledge exists. The complex matrix of food or beverages and the absence of standard procedures for analysis of microplastics and micropollutants exist as challenges. More investigations on the presence of microplastics and plastic-additives in food and beverage are urgent needs to a better assessment of potential human exposure and human health risk.
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Affiliation(s)
- Madushika Sewwandi
- Ecosphere Resilience Research Centre, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka
| | - Hasintha Wijesekara
- Department of Natural Resources, Faculty of Applied Sciences, Sabaragamuwa University, Belihuloya, 70140, Sri Lanka
| | - Anushka Upamali Rajapaksha
- Ecosphere Resilience Research Centre, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka; Instrument Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka
| | - Sasimali Soysa
- Department of Physical Sciences and Technology, Faculty of Applied Sciences, Sabaragamuwa University, Belihuloya, 70140, Sri Lanka
| | - Meththika Vithanage
- Ecosphere Resilience Research Centre, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka; Sustainability Cluster, School of Engineering, University of Petroleum & Energy Studies, Dehradun, Uttarakhand, 248007, India; Institute of Agriculture, University of Western Australia, Perth, WA6009, Australia.
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Motlagh AH, Nasirpour A, Saeidy S, Keramat J. Physicochemical and sensory properties of malt beverage containing sugar beet saponins. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2022; 59:4380-4389. [PMID: 36193461 PMCID: PMC9525521 DOI: 10.1007/s13197-022-05517-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 01/12/2022] [Accepted: 05/26/2022] [Indexed: 06/16/2023]
Abstract
Aqueous two-phase system (ATPS) composed of polyethylene glycol (PEG) and K2HPO4 solutions was used to extract saponin from sugar beet root. Extraction yield, purity and foam capacity of saponin were optimized according to response surface methodology (RSM). Analysis of liquid chromatography-mass spectrometry (LC-MS) showed that purified saponins were composed of hederagenin, akebonoic acid and oleanolic acid. Addition of 0.02 g sugar beet root saponin to one liter of malt beverage caused a considerable increase in foam volume and stability compared to malt beverage samples containing 0.1 g/L propylene glycol alginate (PGA). Malt beverages containing saponin showed higher turbidity, bitterness and overall sensory acceptance. Moreover, no significant changes in malt drink pH and °Brix were observed due to saponin addition. Adding lemon flavor caused a decrease in foam stability and sensory acceptance of malt beverage containing saponin compared to PGA containing ones. Less saponin content is suggested for flavored malt drinks. Supplementary Information The online version contains supplementary material available at 10.1007/s13197-022-05517-x.
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Affiliation(s)
- Ali Hosseini Motlagh
- Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan, 84156-83111 Iran
| | - Ali Nasirpour
- Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan, 84156-83111 Iran
| | - Sima Saeidy
- Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan, 84156-83111 Iran
| | - Javad Keramat
- Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan, 84156-83111 Iran
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Salek RN, Lorencová E, Gál R, Kůrová V, Opustilová K, Buňka F. Physicochemical and Sensory Properties of Czech Lager Beers with Increasing Original Wort Extract Values during Cold Storage. Foods 2022; 11:foods11213389. [PMID: 36360002 PMCID: PMC9657140 DOI: 10.3390/foods11213389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/25/2022] [Accepted: 10/25/2022] [Indexed: 12/02/2022] Open
Abstract
The scope of the study was the evaluation of the selected physicochemical (O2 and CO2 contents, bitterness, color, total polyphenol content (TPC), turbidity, foaming stability) and sensory properties of Czech lager beer with different original wort extract (OWE) values (OWE of 10.0; 11.0; 11.5; 12.0% w/w) during a cold storage period of 6 months (4 ± 2 °C). The length of the cold storage period did not influence the values of dissolved O2 and CO2, bitterness, color and foam stability of the samples. Contrarily, the TPC, turbidity, and sensory attributes of the samples were affected by the course of cold storage. The OWE values did not affect the development of the parameters tested. All beer samples stored until the 5th month presented “very good” sensory characteristics. Cold storage of beer is advantageous in order to maintain its freshness and sensory attributes at the highest level for the final consumer.
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Affiliation(s)
- Richardos Nikolaos Salek
- Department of Food Technology, Faculty of Technology, Tomas Bata University in Zlín, T.G. Masaryka 5555, 760 01 Zlín, Czech Republic
| | - Eva Lorencová
- Department of Food Technology, Faculty of Technology, Tomas Bata University in Zlín, T.G. Masaryka 5555, 760 01 Zlín, Czech Republic
- Correspondence: ; Tel.: +420-576-03-3010
| | - Robert Gál
- Department of Food Technology, Faculty of Technology, Tomas Bata University in Zlín, T.G. Masaryka 5555, 760 01 Zlín, Czech Republic
| | - Vendula Kůrová
- Department of Food Technology, Faculty of Technology, Tomas Bata University in Zlín, T.G. Masaryka 5555, 760 01 Zlín, Czech Republic
| | - Kristýna Opustilová
- Department of Food Technology, Faculty of Technology, Tomas Bata University in Zlín, T.G. Masaryka 5555, 760 01 Zlín, Czech Republic
| | - František Buňka
- Laboratory of Food Quality and Safety Research, Department of Logistics, Faculty of Military Leadership, University of Defence, Kounicova 65, 662 10 Brno, Czech Republic
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8
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Amino acids and glycation compounds in hot trub formed during wort boiling. Eur Food Res Technol 2022. [DOI: 10.1007/s00217-022-04138-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AbstractThe aim of this study was to investigate the amino acid composition and the amount of individual glycation compounds in hot trub formed during boiling of wort prepared from different malts. Compared to the initial amino acid composition of the used malts, some Maillard reaction products (namely MG-H1, pyrraline) and hydrophobic amino acids (leucine, isoleucine, valine, phenylalanine) accumulated in the hot trub, whereas hydrophilic amino acids remained in the boiled wort. For MG-H1, a threefold increase was observed during wort boiling, whereas the other Maillard reaction products, namely CML, CEL, pyrraline and maltosine increased only slightly (1.1–2-fold). Furosine as a hallmark for peptide-bound Amadori compounds showed a small decrease. The results suggest that mainly glycated amino acids derived from small dicarbonyl compounds such as methylglyoxal and glyoxal are formed during wort boiling. Furthermore, the studies indicate that the modification of the protein structure as a result of the Maillard reaction has an influence on the hydration of the denatured proteins during the wort boiling process, thus affecting the coagulation process and, therefore, precipitation of the hot trub. The work carried out contributes to the understanding of the chemical reactions influencing the amino acid and Maillard reaction product transfer from malt to beer.
Graphical abstract
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Reid JESJ, Yakubov GE, Lawrence SJ. Non-starch polysaccharides in beer and brewing: A review of their occurrence and significance. Crit Rev Food Sci Nutr 2022; 64:837-851. [PMID: 36004513 DOI: 10.1080/10408398.2022.2109585] [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
It has become apparent that beer (both alcoholic and nonalcoholic) contains appreciable amounts of non-starch polysaccharides, a broad subgroup of dietary fiber. It is worth noting that the occurrence of non-starch polysaccharides in alcoholic beer does not imply this should be consumed as a source of nutrition. But the popularity of nonalcoholic beer is growing, and the lessons learnt from non-starch polysaccharides in brewing can be largely translated to nonalcoholic beer. For context, we briefly review the origins of dietary fiber, its importance within the human diet and the significance of water-soluble dietary fiber in beverages. We review the relationship between non-starch polysaccharides and brewing, giving focus to the techniques used to quantify non-starch polysaccharides in beer, how they affect the physicochemical properties of beer and their influence on the brewing process. The content of non-starch polysaccharides in both regular and low/nonalcoholic beer ranges between 0.5 - 4.0 g/L and are predominantly composed of arabinoxylans and β-glucans. The process of malting, wort production and filtration significantly affect the soluble non-starch polysaccharide content in the final beer. Beer viscosity and turbidity are strongly associated with the content of non-starch polysaccharides.
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Affiliation(s)
- Joshua E S J Reid
- International Centre for Brewing Science, School of Biosciences, University of Nottingham, Loughborough, United Kingdom
- Division of Food, Nutrition and Dietetics, School of Biosciences, University of Nottingham, Loughborough, United Kingdom
| | - Gleb E Yakubov
- Division of Food, Nutrition and Dietetics, School of Biosciences, University of Nottingham, Loughborough, United Kingdom
| | - Stephen J Lawrence
- International Centre for Brewing Science, School of Biosciences, University of Nottingham, Loughborough, United Kingdom
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Abstract
Non-Saccharomyces yeasts represent a very attractive alternative for the production of beers with superior sensory quality since they are able to enhance the flavour of beer. Furthermore, they can produce beers with low ethanol content due to the weak fermentative capacity of a large percentage of non-Saccharomyces species. The objective of this study was to evaluate the ability of 34 non-Saccharomyces yeast strains isolated from Madrilenian agriculture to produce a novel ale beer. The non-Saccharomyces yeast strains were screened at two scales in the laboratory. In the first screening, those with undesirable aromas were discarded and the selected strains were analysed. Thirty-three volatile compounds were analysed by GC, as well as melatonin production by HPLC, for the selected strains. Thirteen strains were then fermented at a higher scale in the laboratory for sensory evaluation. Only yeast strains of the species Schizosaccharomyces pombe and Lachancea thermotolerans were able to complete fermentation. Species such as Torulaspora delbrueckii, Metschnikowia pulcherrima, Wickerhamomyces anomalus, Hanseniaspora vineae, and Hanseniaspora guilliermondii could be used both for production of low ethanol beers and co-fermentation with a Saccharomyces yeast to improve the organoleptic characteristics of the beer. In addition, for these strains, the levels of melatonin obtained were higher than the concentrations found for Saccharomyces strains subjected to the same study conditions. The selected strains can be used in future trials to further determine their viability under different conditions and for different purposes.
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Effects of non-starch polysaccharides from pure wheat malt beer on beer quality, in vitro antioxidant, prebiotics, hypoglycemic and hypolipidemic properties. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101780] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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12
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Salamon RV, Dabija A, Ferencz Á, Tankó G, Ciocan ME, Codină GG. The Effect of Dry Hopping Efficiency on β-Myrcene Dissolution into Beer. PLANTS (BASEL, SWITZERLAND) 2022; 11:1043. [PMID: 35448771 PMCID: PMC9027813 DOI: 10.3390/plants11081043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/09/2022] [Accepted: 04/10/2022] [Indexed: 06/14/2023]
Abstract
The production of heavily hopped beers, such as Indian Pale Ale (IPA) styles, has been gaining momentum in recent years in the Central European markets. To this end, the dry hopping process is becoming increasingly popular, mostly in microbreweries, but also with larger manufacturers. In our research, we investigated the dissolution rate of the main volatile component of hops, β-myrcene with a modified dry hopping method. Following the primary fermentation, we applied the dry hopping process, where the weighed hops were chopped and blended into a container with 0.5 L of beer and later added to the young beer. During the dry hopping process, we determined various important parameters of the beer, and we repeated the same measurements for the bottled beer. In the first 96 h of the dry hopping process, we monitored the concentration of β-myrcene so that we managed to determine the dissolution rate constant (k = 0.1946 h-1). The β-myrcene concentration stabilizes after 44 h in the fermenter. At the same time, measurements were conducted for bitterness, pH, CO2 and alcohol content, extract and density during the process. Our experiment demonstrates that a new method of dry hopping provides a much higher concentration of β-myrcene (215 μg/L) than other methods indicated in former studies in the field. A health and safety assessment of β-myrcene was also made and we determined what the safe amount of β-myrcene ingested with IPA beer is. Our modified process was successful, we were able to determine the dissolution rate of β-myrcene, and the recommended daily intake of IPA beer with particular reference to β-myrcene.
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Affiliation(s)
- Rozália Veronika Salamon
- Department of Food Science, Faculty of Economics, Socio-Human Sciences and Engineering, Sapientia Hungarian University of Transylvania, Piata Libertatii no. 1, 530104 Miercurea Ciuc, Romania; (R.V.S.); (Á.F.)
| | - Adriana Dabija
- Faculty of Food Engineering, Stefan cel Mare University of Suceava, 720229 Suceava, Romania; (A.D.); (M.E.C.)
| | - Ágota Ferencz
- Department of Food Science, Faculty of Economics, Socio-Human Sciences and Engineering, Sapientia Hungarian University of Transylvania, Piata Libertatii no. 1, 530104 Miercurea Ciuc, Romania; (R.V.S.); (Á.F.)
| | - György Tankó
- Doctoral School of Food Science, Magyar Agár-és Élettudományi Egyetem, Str. Villányi 29-43, 1118 Budapest, Hungary;
| | - Marius Eduard Ciocan
- Faculty of Food Engineering, Stefan cel Mare University of Suceava, 720229 Suceava, Romania; (A.D.); (M.E.C.)
| | - Georgiana Gabriela Codină
- Faculty of Food Engineering, Stefan cel Mare University of Suceava, 720229 Suceava, Romania; (A.D.); (M.E.C.)
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13
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Attchelouwa CK, Kouakou-Kouamé CA, Ouattara L, Amoikon TLS, N'guessan FK, Marcotte S, Charmel M, Djè MK. Detection of spoilage-causing yeasts and bacteria in tchapalo, the Ivorian traditional sorghum beer. Lett Appl Microbiol 2022; 75:135-144. [PMID: 35344598 DOI: 10.1111/lam.13708] [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: 06/09/2021] [Revised: 12/15/2021] [Accepted: 03/22/2022] [Indexed: 12/01/2022]
Abstract
In this study, we aimed to analyse the spoilage potential of the isolated yeast, LAB and AAB species. Thus, eleven strains were inoculated at 0.3% (v/v) into a sterile filtered tchapalo and stored for three days at ambient temperature (27-30°C). All the tested strains grew well or remained stable except for Limosilactobacillus fermentum and Pediococcus acidilactici which decreased throughout the storage time. A significant decrease of Total Soluble Solids was observed only for Saccharomyces cerevisiae (from 7.8 to 5.8 °Brix) and M. guilliermondii (from 7.8 to 5.5 °Brix). The tchapalo samples inoculated with the LAB strains Weissella paramesenteroides, P. acidilactici, Limosilactobacillus fermentum and the yeast strain Candida tropicalis were judged similar to the control by the panellists. However, the strains of Lacticaseibacillus paracasei and Latilactobacillus curvatus (LAB), S. cerevisiae, Meyerozyma guilliermondii and Kluyveromyces marxianus (yeasts) and Acetobacter pasteurianus and A. cerevisiae (AAB) induced the spoilage of the tchapalo appearance, smell and/or taste. In the spoiled tchapalo quantitative and qualitative modification of some volatile compounds (VOCs) such as lilac aldehyde, ethyl acetate, ethyl hexanoate, ethyl octanoate and phenethyl acetate, were observed. These results provide information about the microorganisms that need to be removed to extend the shelf life of tchapalo.
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Affiliation(s)
- Constant K Attchelouwa
- Unité de formation et de Recherche en Sciences Biologiques, Département Biochimie/Génétique, Université Péléforo Gon Coulibaly, BP 1328, Korhogo, Côte d'Ivoire
| | - Clémentine A Kouakou-Kouamé
- Laboratoire de Biotechnologie et Microbiologie des Aliments, Unité de Formation et de Recherche en Sciences et Technologie des Aliments (UFR-STA), Université Nangui Abrogoua, 02 BP 801 Abidjan 02, Côte d'Ivoire
| | - Lacinan Ouattara
- Laboratoire de Biotechnologie et Microbiologie des Aliments, Unité de Formation et de Recherche en Sciences et Technologie des Aliments (UFR-STA), Université Nangui Abrogoua, 02 BP 801 Abidjan 02, Côte d'Ivoire
| | - Tiemele L S Amoikon
- Laboratoire de Biotechnologie et Microbiologie des Aliments, Unité de Formation et de Recherche en Sciences et Technologie des Aliments (UFR-STA), Université Nangui Abrogoua, 02 BP 801 Abidjan 02, Côte d'Ivoire
| | - Florent K N'guessan
- Laboratoire de Biotechnologie et Microbiologie des Aliments, Unité de Formation et de Recherche en Sciences et Technologie des Aliments (UFR-STA), Université Nangui Abrogoua, 02 BP 801 Abidjan 02, Côte d'Ivoire
| | - Stephane Marcotte
- Normandie Univ, INSA de Rouen, Université de Rouen, CNRS, COBRA (UMR, 6014) Avenue de l'Université, 76800, Saint- Etienne- du-Rouvray, France
| | - Melissa Charmel
- Normandie Univ, INSA de Rouen, Université de Rouen, CNRS, COBRA (UMR, 6014) Avenue de l'Université, 76800, Saint- Etienne- du-Rouvray, France
| | - Marcellin K Djè
- Laboratoire de Biotechnologie et Microbiologie des Aliments, Unité de Formation et de Recherche en Sciences et Technologie des Aliments (UFR-STA), Université Nangui Abrogoua, 02 BP 801 Abidjan 02, Côte d'Ivoire
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14
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Tender coconut water processing: hurdle approach, quality, and accelerated shelf-life measurements. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-021-01138-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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15
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Quality changes of HomChaiya rice beer during storage at two alternative temperatures. J Biosci Bioeng 2022; 133:369-374. [DOI: 10.1016/j.jbiosc.2021.12.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 12/14/2021] [Accepted: 12/25/2021] [Indexed: 11/17/2022]
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16
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17
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Huismann M, Gormley F, Dzait D, Speers RA, L. Maskell D. Unfilterable Beer Haze Part I: The Investigation of an India Pale Ale Haze. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2021. [DOI: 10.1080/03610470.2021.1937460] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Margaux Huismann
- International Centre for Brewing and Distilling, School of Engineering & Physical Sciences, Heriot-Watt University, Edinburgh, Scotland
| | | | | | - R. Alex Speers
- International Centre for Brewing and Distilling, School of Engineering & Physical Sciences, Heriot-Watt University, Edinburgh, Scotland
- Canadian Institute of Fermentation Technology, Dalhousie University, Halifax, Canada
| | - Dawn L. Maskell
- International Centre for Brewing and Distilling, School of Engineering & Physical Sciences, Heriot-Watt University, Edinburgh, Scotland
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Petelski AN, Pamies SC, Sosa GL. How procyanidin C1 sticks to collagen: The role of proline rings. Biophys Chem 2021; 276:106627. [PMID: 34089979 DOI: 10.1016/j.bpc.2021.106627] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/07/2021] [Accepted: 05/25/2021] [Indexed: 11/15/2022]
Abstract
Molecular interactions between proteins and polyphenols are responsible for many natural phenomena like colloidal turbidity, astringency, denaturation of enzymes and leather tanning. Although these phenomena are well known, there are open questions about the specific interactions involved in the complexation process. In this work, Molecular Dynamic (MD) simulations and the topology of the electron density analysis were used to study the interactions between the flavonoid procyanidin C1 and a collagen fragment solvated in water. Root mean square deviation; root mean square fluctuation and hydrogen bonds occupancy were examined after 50 ns. The interactions were also analyzed by means of the quantum theory of atoms in molecules. Our results show that the main interactions are hydrogen bonds between -OH groups of the polyphenol and CO groups of the peptide bond. Stacking interactions between proline rings and phenol rings, that is CH⋯π hydrogen bonds, also stabilize the dynamic structure of the complex.
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Affiliation(s)
- André Nicolai Petelski
- Grupo de Investigación en Química Teórica y Experimental (QUITEX), Departamento de Ingeniería Química, Universidad Tecnológica Nacional, Facultad Regional Resistencia, French 414 (H3500CHJ), Resistencia, Chaco, Argentina; Instituto de Química Básica y Aplicada del Nordeste Argentino, IQUIBA-NEA, UNNE-CONICET, Avenida Libertad 5460, 3400 Corrientes, Argentina.
| | - Silvana Carina Pamies
- Grupo de Investigación en Química Teórica y Experimental (QUITEX), Departamento de Ingeniería Química, Universidad Tecnológica Nacional, Facultad Regional Resistencia, French 414 (H3500CHJ), Resistencia, Chaco, Argentina.
| | - Gladis Laura Sosa
- Grupo de Investigación en Química Teórica y Experimental (QUITEX), Departamento de Ingeniería Química, Universidad Tecnológica Nacional, Facultad Regional Resistencia, French 414 (H3500CHJ), Resistencia, Chaco, Argentina; Instituto de Química Básica y Aplicada del Nordeste Argentino, IQUIBA-NEA, UNNE-CONICET, Avenida Libertad 5460, 3400 Corrientes, Argentina.
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19
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Boulton C. Provocation: all yeast cells are born equal, but some grow to be more equal than others. JOURNAL OF THE INSTITUTE OF BREWING 2021. [DOI: 10.1002/jib.647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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20
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Ofoedu CE, Akosim CQ, Iwouno JO, Obi CD, Shorstkii I, Okpala COR. Characteristic changes in malt, wort, and beer produced from different Nigerian rice varieties as influenced by varying malting conditions. PeerJ 2021; 9:e10968. [PMID: 33777523 PMCID: PMC7983859 DOI: 10.7717/peerj.10968] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 01/28/2021] [Indexed: 11/20/2022] Open
Abstract
Gluten-free beer could be produced with rice, although the latter would primarily serve as adjunct in combination with barley malt in today’s brewing. However, the recent growing realisation of the potential and applications of rice malt for brewing an all-rice malt beer through varying malting conditions cannot be overlooked. In this study, therefore, the characteristic changes in malt, wort, and beer from different Nigerian rice varieties (FARO 44, FARO 57, NERICA 7) as influenced by varying malting conditions (steeping duration (18, 24 and 30 h), germination periods (2, 3 and 4 days) and kilning temperatures (50 and 55 °C)), were investigated. Rice (grain) samples were examined by thousand kernel weight (TKW), germinative energy (GE), germinative capacity (GC), and degree of steeping (DoS). To ensure that rice wort/beer with unique beer style and enhanced attributes, comparable to barley wort/beer is produced, malting conditions that produced rice malts with peak diastatic power (DP), cold water extract (CWE), and hot water extract (HWE) were selected. Peak DP, CWE and HWE were obtained at FARO 44 (18 h steeping, 3 days germination, 55 °C kilning (S18G3K55°)), FARO 57 (30 h steeping, 2 days germination, 50 °C kilning (S30G2K50°)) and NERICA 7 (24 h steeping, 3 days germination, 55 °C kilning (S24G3K55°)). Selected malts were further tested for moisture content, total nitrogen, malt yield and malting loss and subsequently progressed to wort and beer production. Wort’s pH, total soluble nitrogen (TSN), brix, kolbach index (KI), free amino nitrogen (FAN), dextrose equivalent (DE), original extract (OE) and sugar profile were determined, as well as beer’s pH, colour, apparent extract (AE), alcohol by volume (%ABV), turbidity and sensory attributes. Rice grain varied significantly (p < 0.05) in TKW, GE, GC and DoS across varieties. Despite wort’s pH, TSN, DE, OE as well as beer pH, colour, AE and turbidity resembling (p > 0.05) across varieties, wort’s brix, KI, FAN, sugar profile as well as beer’s %ABV, differed significantly (p < 0.05). Sensory attributes of appearance, colour, mouthfeel, and overall acceptability in beer differed noticeably (p < 0.05), except for aroma and taste (p > 0.05). Overall, the rice beer, though very slightly hazy, represented a pale yellow light lager, which is indicative of its peculiar beer style. Besides increased DP and enhanced hydrolysis, varying malting conditions of current study could serve as a pathway of reducing the cost of exogenous (commercial) enzymes or barley malt imports, together with decreasing barley’s dependency for brewing in the tropics.
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Affiliation(s)
- Chigozie E Ofoedu
- Department of Food Science and Technology, School of Engineering and Engineering Technology, Federal University of Technology, Owerri, Owerri, Imo, Nigeria
| | - Chibugo Q Akosim
- Department of Food Science and Technology, School of Engineering and Engineering Technology, Federal University of Technology, Owerri, Owerri, Imo, Nigeria
| | - Jude O Iwouno
- Department of Food Science and Technology, School of Engineering and Engineering Technology, Federal University of Technology, Owerri, Owerri, Imo, Nigeria
| | - Chioma D Obi
- Department of Food Science and Technology, Nnamdi Azikiwe University, Awka, Anambra, Nigeria
| | - Ivan Shorstkii
- Department of Technological Equipment and Life-Support Systems, Kuban State Technological University, Krasnodar, Russian Federation
| | - Charles Odilichukwu R Okpala
- Department of Functional Food Products Development, Faculty of Biotechnology and Food Science, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
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21
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Yang D, Gao X. Progress of the use of alternatives to malt in the production of gluten-free beer. Crit Rev Food Sci Nutr 2020; 62:2820-2835. [PMID: 33325770 DOI: 10.1080/10408398.2020.1859458] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Beer is the most widely consumed alcoholic drink in the world, but it is not suitable for patients who suffer from celiac disease (CD) because its main ingresdients, barley or wheat, contain gluten. Approximately 1% of the world's population is affected by CD, and the development of gluten-free beer is imperative. Gluten-free beers produced using alternative materials, such as rice, sorghum, maize, millet, oats, and pseudocereals (e.g., buckwheat, quinoa and Amaranth), are studied in this review that examines the effects of specific substitutions on the different characteristics of the final beer to ensure the appropriateness of their use. The use of alternatives to malt may affect the quality of gluten-free beer and result in some negative consequences. Accordingly, the influential factors are discussed in terms of the total substitution of malt with other grains in the production of beer. Research results have provided some new alternative solutions for the production of gluten-free beer, such as the use of malted grains to improve hydrolytic enzyme activity, the application of nonconventional mashing procedures involving the decoction method and extrusion cooking techniques to increase the extract yield, the use of exogenous enzymes and nitrogen supplements to improve the sugar and amino acid spectra necessary for yeast fermentation, and the application of combinations of alternative grains to improve the flavor, body and foam stability of gluten-free beers.
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Affiliation(s)
- Dongsheng Yang
- Department of Bioengineering, School of Life and Pharmaceutical Sciences, Hainan University, Haikou, Hainan, China
| | - Xuan Gao
- Department of Bioengineering, School of Life and Pharmaceutical Sciences, Hainan University, Haikou, Hainan, China
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22
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Investigation and identification of foreign turbidity particles in beverages via Raman micro-spectroscopy. Eur Food Res Technol 2020. [DOI: 10.1007/s00217-020-03647-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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23
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Jongberg S, Andersen ML, Lund MN. Characterisation of protein-polyphenol interactions in beer during forced aging. JOURNAL OF THE INSTITUTE OF BREWING 2020. [DOI: 10.1002/jib.623] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Sisse Jongberg
- Department of Food Science, Faculty of Science; University of Copenhagen; Rolighedsvej 26 Frederiksberg 1958 Denmark
| | - Mogens L. Andersen
- Department of Food Science, Faculty of Science; University of Copenhagen; Rolighedsvej 26 Frederiksberg 1958 Denmark
| | - Marianne N. Lund
- Department of Food Science, Faculty of Science; University of Copenhagen; Rolighedsvej 26 Frederiksberg 1958 Denmark
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences; University of Copenhagen; Blegdamsvej 3 Copenhagen N 2200 Denmark
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24
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Kahle EM, Zarnkow M, Jacob F. Beer Turbidity Part 2: A Review of Raman Spectroscopy and Possible Future Use for Beer Turbidity Analysis. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2020. [DOI: 10.1080/03610470.2020.1800345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Eva-Maria Kahle
- Forschungszentrum Weihenstephan für Brau- und Lebensmittelqualität, Technische Universität München, Alte Akademie 3, 85354 Freising-Weihenstephan, Germany
| | - Martin Zarnkow
- Forschungszentrum Weihenstephan für Brau- und Lebensmittelqualität, Technische Universität München, Alte Akademie 3, 85354 Freising-Weihenstephan, Germany
| | - Fritz Jacob
- Forschungszentrum Weihenstephan für Brau- und Lebensmittelqualität, Technische Universität München, Alte Akademie 3, 85354 Freising-Weihenstephan, Germany
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25
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Kahle EM, Zarnkow M, Jacob F. Beer Turbidity Part 1: A Review of Factors and Solutions. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2020. [DOI: 10.1080/03610470.2020.1803468] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Eva-Maria Kahle
- Forschungszentrum Weihenstephan für Brau- und Lebensmittelqualität, Technische Universität München, Alte Akademie 3, 85354 Freising-Weihenstephan, Germany
| | - Martin Zarnkow
- Forschungszentrum Weihenstephan für Brau- und Lebensmittelqualität, Technische Universität München, Alte Akademie 3, 85354 Freising-Weihenstephan, Germany
| | - Fritz Jacob
- Forschungszentrum Weihenstephan für Brau- und Lebensmittelqualität, Technische Universität München, Alte Akademie 3, 85354 Freising-Weihenstephan, Germany
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26
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SCHUINA GL, QUELHAS JOF, CASTILHOS MBMD, CARVALHO GBMD, DEL BIANCHI VL. Alternative production of craft lager beers using artichoke (Cynara scolymus L.) as a hops substitute. FOOD SCIENCE AND TECHNOLOGY 2020. [DOI: 10.1590/fst.35318] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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27
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The Influence of Partial Substitution of Malt with Unmalted Wheat in Grist on Quality Parameters of Lager Beer. BEVERAGES 2020. [DOI: 10.3390/beverages6010007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The aim of this research was to assess whether the grist mixture (50% malt, 34% maize grits, and 16% unmalted wheat) used for the production of beer 1 could be appropriate for lager to retain the declared quality and colloidal stability during the commercial shelf life (6 months) in regards to beer 2 produced completely out of barley malt. Raw materials, worts, and beers were analyzed before and after production and over the period of 6-month storage. All analyses were done in accordance with the European Brewery Convention methods. Beer 1 resulted in a more desirable wort composition considering the total, high molecular weight (HMW) proteins, and viscosity. Beer 1 had less total proteins and polyphenols, lower viscosity and color, and higher starting clarity than beer 2. Haze measurements showed that even though beer 1 had lower starting haze, it resulted in significantly less colloidal stability during the storage of 6 months, in comparison to beer 2. The results indicate that the production of light lager beer using unmalted wheat in grist could be acceptable for colloidal stability only if such beer is to be stabilized by operations that ensure the removal of haze inducers (primarily haze active proteins).
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28
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Jongberg S, Andersen ML, Lund MN. Covalent Protein-Polyphenol Bonding as Initial Steps of Haze Formation in Beer. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2020. [DOI: 10.1080/03610470.2019.1705045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Sisse Jongberg
- Faculty of Science, Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | - Mogens L. Andersen
- Faculty of Science, Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | - Marianne N. Lund
- Faculty of Science, Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
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29
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Yu Z, Luo Q, Xiao L, Sun Y, Li R, Sun Z, Li X. Beer-spoilage characteristics of Staphylococcus xylosus newly isolated from craft beer and its potential to influence beer quality. Food Sci Nutr 2019; 7:3950-3957. [PMID: 31890173 PMCID: PMC6924307 DOI: 10.1002/fsn3.1256] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 07/26/2019] [Accepted: 08/12/2019] [Indexed: 01/24/2023] Open
Abstract
To meet demands for fresh flavor and unique taste from beer consumer, there is an increase in the popularity of craft beer, which is more susceptible to microbial contamination than the industry beer. A beer-spoilage strain was isolated from craft beer and identified as Staphylococcus xylosus strain BS7. The isolate BS7 showed that high beer-spoilage ability at low temperature (4°C), low pH (4.0) and high ethanol concentration (7.0%, v/v). Compared with the other known strains of S. xylosus, strain BS7 was resistant to hop compounds and had an evolutionary stability in hop resistance. Strain BS7 was able to grow quickly and utilizes nutrients in commercial beer, produces organic acids and biogenic amines, and changes beer flavor profile. These results suggest that S. xylosus strain BS7 is a beer-spoilage strain with the danger, which can lead to the beer-spoilage issues during craft beer production.
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Affiliation(s)
- Zhimin Yu
- School of Biological EngineeringDalian Polytechnic UniversityDalianChina
| | - Qiuying Luo
- School of Biological EngineeringDalian Polytechnic UniversityDalianChina
| | - Li Xiao
- School of Biological EngineeringDalian Polytechnic UniversityDalianChina
| | - Yumei Sun
- School of Biological EngineeringDalian Polytechnic UniversityDalianChina
| | - Rong Li
- School of Biological EngineeringDalian Polytechnic UniversityDalianChina
| | - Zhen Sun
- School of Biological EngineeringDalian Polytechnic UniversityDalianChina
| | - Xianzhen Li
- School of Biological EngineeringDalian Polytechnic UniversityDalianChina
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30
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Evaluation of force-carbonated Czech-type lager beer quality during storage in relation to the applied type of packaging. Food Control 2019. [DOI: 10.1016/j.foodcont.2019.106706] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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31
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Lulamba TE, Stafford RA, Njobeh PB. The relative effectiveness of two filter aids in removing ochratoxin A during beer filtration. JOURNAL OF THE INSTITUTE OF BREWING 2019. [DOI: 10.1002/jib.570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tshikala Eddie Lulamba
- Department of Biotechnology and Food Technology, Faculty of Science; University of Johannesburg; Doornfontein Campus, Cnr Siemert and Beit Streets, 2028 Johannesburg-New Doornfontein Johannesburg South Africa
| | - Robert A. Stafford
- Department of Biotechnology and Food Technology, Faculty of Science; University of Johannesburg; Doornfontein Campus, Cnr Siemert and Beit Streets, 2028 Johannesburg-New Doornfontein Johannesburg South Africa
| | - Patrick Berka Njobeh
- Department of Biotechnology and Food Technology, Faculty of Science; University of Johannesburg; Doornfontein Campus, Cnr Siemert and Beit Streets, 2028 Johannesburg-New Doornfontein Johannesburg South Africa
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32
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Zhang X, Wu Y, Zheng Y, Xu Y, Xia M, Tu L, Song J, Wang M. Unravelling the composition and envisaging the formation of sediments in traditional Chinese vinegar. Int J Food Sci Technol 2019. [DOI: 10.1111/ijfs.14185] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xianglong Zhang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, College of Biotechnology Tianjin University of Science & Technology Tianjin 300457 China
| | - Yanfang Wu
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, College of Biotechnology Tianjin University of Science & Technology Tianjin 300457 China
| | - Yu Zheng
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, College of Biotechnology Tianjin University of Science & Technology Tianjin 300457 China
| | - Ying Xu
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, College of Biotechnology Tianjin University of Science & Technology Tianjin 300457 China
| | - Menglei Xia
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, College of Biotechnology Tianjin University of Science & Technology Tianjin 300457 China
| | - Linna Tu
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, College of Biotechnology Tianjin University of Science & Technology Tianjin 300457 China
| | - Jia Song
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, College of Biotechnology Tianjin University of Science & Technology Tianjin 300457 China
| | - Min Wang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, College of Biotechnology Tianjin University of Science & Technology Tianjin 300457 China
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Paternoster A, Jaskula-Goiris B, De Causmaecker B, Vanlanduit S, Springael J, Braet J, De Rouck G, De Cooman L. The interaction effect between vibrations and temperature simulating truck transport on the flavor stability of beer. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:2165-2174. [PMID: 30302771 DOI: 10.1002/jsfa.9409] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 09/29/2018] [Accepted: 10/04/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Beer flavor stability is important to brewers as a result of the increased global demand for beer. Increasing export leads to prolonged periods of transportation and storage and causes fresh flavor deterioration. Therefore, the present study examined the effect of different temperatures in combination with vibrations on beer quality. Beer was exposed to vibrations (50 Hz, 15 m s-2 , simulating transport) at 5, 30 and 45 °C for 22, 38 and 90 h and (for half the samples) aged for 60 days at 30 °C. RESULTS The results obtained indicated decreased oxygen concentrations as a result of an elevated temperature and vibrations. There was no effect (P > 0.05) on color and a limited effect of temperature and vibrations on iso-α-acids. The parameters temperature and vibrations have a significant influence (P < 0.05) on aldehyde concentrations, namely total aldehydes, and especially '2-methylpropanal', '2-methylbutanal' and 'furfural'. CONCLUSION The impact of vibrations on the aldehydes concentrations was substantial when subjected to an elevated temperature. Furthermore, a forced aging test of shorter duration than traditional methods might be developed. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Alexander Paternoster
- Faculty of Applied Economic Sciences, Department of Engineering Management, University of Antwerp, Antwerp, Belgium
| | - Barbara Jaskula-Goiris
- Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Cluster for Bioengineering Technology (CBeT), Laboratory of Enzyme, Fermentation and Brewing Technology, Technology Campus, KU Leuven, Ghent, Belgium
| | - Brecht De Causmaecker
- Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Cluster for Bioengineering Technology (CBeT), Laboratory of Enzyme, Fermentation and Brewing Technology, Technology Campus, KU Leuven, Ghent, Belgium
| | - Steve Vanlanduit
- Faculty of Applied Engineering, University of Antwerp, Antwerp, Belgium
| | - Johan Springael
- Faculty of Applied Economic Sciences, Department of Engineering Management, University of Antwerp, Antwerp, Belgium
| | - Johan Braet
- Faculty of Applied Economic Sciences, Department of Engineering Management, University of Antwerp, Antwerp, Belgium
| | - Gert De Rouck
- Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Cluster for Bioengineering Technology (CBeT), Laboratory of Enzyme, Fermentation and Brewing Technology, Technology Campus, KU Leuven, Ghent, Belgium
| | - Luc De Cooman
- Faculty of Engineering Technology, Department of Microbial and Molecular Systems (M2S), Cluster for Bioengineering Technology (CBeT), Laboratory of Enzyme, Fermentation and Brewing Technology, Technology Campus, KU Leuven, Ghent, Belgium
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Characterization of the macromolecular and sensory profile of non-alcoholic beers produced with various methods. Food Res Int 2019; 116:508-517. [DOI: 10.1016/j.foodres.2018.08.067] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 08/06/2018] [Accepted: 08/20/2018] [Indexed: 11/21/2022]
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35
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Liu R, Yan X, Liu Z, McClements DJ, Liu F, Liu X. Fabrication and characterization of functional protein–polysaccharide–polyphenol complexes assembled from lactoferrin, hyaluronic acid and (−)-epigallocatechin gallate. Food Funct 2019; 10:1098-1108. [DOI: 10.1039/c8fo02146e] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Functional lactoferrin–EGCG–hyaluronic acid complexes could be conditionally assembled at different pH values.
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Affiliation(s)
- Runhua Liu
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Xiaojia Yan
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Zhigang Liu
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | | | - Fuguo Liu
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Xuebo Liu
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
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36
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Jyoti Das A, Miyaji T, Deka SC. Bioflavonoids from Artocarpus heterophyllus lam. and Cyclosorus extensus (blume) H. Itô as preservatives for increased storage stability of rice beer. Nat Prod Res 2018; 33:3161-3166. [PMID: 30580633 DOI: 10.1080/14786419.2018.1521402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The purified ethanolic extracts of Artocarpus heterophyllus Lam. contained myricetin and epigallocatechin gallate and that of Cyclosorus extensus (Blume) H. Itô contained kaempferol, luteoline and quercetin, in high amount, along with some other flavonoids. Rice beers were fortified with these extracts and kept at 32 °C for 8 weeks, and storage parameters were compared with synthetic antioxidant added and filtered rice beers. It was observed that the aerobic plate counts were significantly less (p ≤ 0.01) in the fortified beers, along with a reduction in the rate of pH fall and change of colour (ΔE). The antioxidant activity (DPPH scavenging) was highest in the fortified beers, along with a delay in lipid peroxidation (POV and TBARS values). The overall study indicated effectiveness of the flavonoid rich extracts in improving the shelf-life stability of rice beer under accelerated conditions.
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Affiliation(s)
- Arup Jyoti Das
- Department of Food Engineering and Technology, Tezpur University , Tezpur , Assam , India
| | - Tatsuro Miyaji
- Department of Materials and Life Science, Shizuoka Institute of Science and Technology , Shizuoka , Japan
| | - Sankar Chandra Deka
- Department of Food Engineering and Technology, Tezpur University , Tezpur , Assam , India
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37
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Abstract
Today’s beer differs in many ways from the original hazy brew made from grains and water left in the sun to ferment. The development of brewing procedures introduced filtration and colloidal stabilization as key elements in beer preservation and stability. Colloidal stability of beer is the most important factor in beer quality. Colloidal particles significantly shorten beer’s storage time, but most importantly, also influence its appearance. Colloidal stabilization involves one or more procedures that are applied at different stages during production and result in colloidal stability of the final product. Beer is considered to be colloidal stable if it can be stored for several months at 25 °C without exhibiting any changes in composition or other properties; specifically, beer has to be able to remain clear without any signs of precipitation. Since colloidal stability is of primary importance for the consumer, retail requirements have resulted in many solutions for this issue. Stabilization agents have to be reliable during the filtration and stabilization processes. Additionally, renewable agents are highly desirable. The level of colloidal stability required depends on the desired storage time and temperature after the beer has been packed. Consumers have higher and higher expectations that the industry has to follow.
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38
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Abstract
Proteases represent one of the three largest groups of industrial enzymes and account for about 60% of the total global enzymes sale. According to the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology, proteases are classified in enzymes of class 3, the hydrolases, and the subclass 3.4, the peptide hydrolases or peptidase. Proteases are generally grouped into two main classes based on their site of action, that is, exopeptidases and endopeptidases. Protease has also been grouped into four classes based on their catalytic action: aspartic, cysteine, metallo, and serine proteases. However, lately, three new systems have been defined: the threonine-based proteasome system, the glutamate-glutamine system of eqolisin, and the serine-glutamate-aspartate system of sedolisin. Aspartic proteases (EC 3.4.23) are peptidases that display various activities and specificities. It has two aspartic acid residues (Asp32 and Asp215) within their active site which are useful for their catalytic activity. Most of the aspartic proteases display best enzyme activity at low pH (pH 3 to 4) and have isoelectric points in the pH range of 3 to 4.5. They are inhibited by pepstatin. The failure of the plant and animal proteases to meet the present global enzyme demand has directed to an increasing interest in microbial proteases. Microbial proteases are preferred over plant protease because they have most of the characteristics required for their biotechnological applications. Aspartic proteases are found in molds and yeasts but rarely in bacteria. Aspartic protease enzymes from microbial sources are mainly categorized into two groups: (i) the pepsin-like enzymes produced byAspergillus,Penicillium,Rhizopus, andNeurosporaand (ii) the rennin-like enzymes produced byEndothiaandMucorspp., such asMucor miehei,M. pusillus, andEndothia parasitica. Aspartic proteases of microbial origin have a wide range of application in food and beverage industries. These include as milk-clotting enzyme for cheese manufacturing, degradation of protein turbidity complex in fruit juices and alcoholic liquors, and modifying wheat gluten in bread by proteolysis.
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Wannenmacher J, Gastl M, Becker T. Phenolic Substances in Beer: Structural Diversity, Reactive Potential and Relevance for Brewing Process and Beer Quality. Compr Rev Food Sci Food Saf 2018; 17:953-988. [PMID: 33350107 DOI: 10.1111/1541-4337.12352] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/14/2018] [Accepted: 03/15/2018] [Indexed: 12/11/2022]
Abstract
For the past 100 years, polyphenol research has played a central role in brewing science. The class of phenolic substances comprises simple compounds built of 1 phenolic group as well as monomeric and oligomeric flavonoid compounds. As potential anti- or prooxidants, flavor precursors, flavoring agents and as interaction partners with other beer constituents, they influence important beer quality characteristics: flavor, color, colloidal, and flavor stability. The reactive potential of polyphenols is defined by their basic chemical structure, hydroxylation and substitution patterns and degree of polymerization. The quantitative and qualitative profile of phenolic substances in beer is determined by raw material choice. During the malting and brewing process, phenolic compounds undergo changes as they are extracted or enzymatically released, are subjected to heat-induced chemical reactions or are precipitated with or adsorbed to hot and cold trub, yeast cells and stabilization agents. This review presents the current state of knowledge of the composition of phenolic compounds in beer and brewing raw materials with a special focus on their fate from raw materials throughout the malting and brewing process to the final beer. Due to high-performance analytical techniques, new insights have been gained on the structure and function of phenolic substance groups, which have hitherto received little attention. This paper presents important information and current studies on the potential of phenolics to interact with other beer constituents and thus influence quality parameters. The structural features which determine the reactive potential of phenolic substances are discussed.
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Affiliation(s)
- Julia Wannenmacher
- Inst. of Brewing and Beverage Technology, Technical Univ. of Munich, Weihenstephaner Steig 20, 85354, Freising, Germany
| | - Martina Gastl
- Inst. of Brewing and Beverage Technology, Technical Univ. of Munich, Weihenstephaner Steig 20, 85354, Freising, Germany
| | - Thomas Becker
- Inst. of Brewing and Beverage Technology, Technical Univ. of Munich, Weihenstephaner Steig 20, 85354, Freising, Germany
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40
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Fangel JU, Eiken J, Sierksma A, Schols HA, Willats WGT, Harholt J. Tracking polysaccharides through the brewing process. Carbohydr Polym 2018; 196:465-473. [PMID: 29891319 DOI: 10.1016/j.carbpol.2018.05.053] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 05/16/2018] [Accepted: 05/16/2018] [Indexed: 12/16/2022]
Abstract
Brewing is a highly complex stepwise process that starts with a mashing step during which starch is gelatinized and converted into oligo- and/or monosaccharides by enzymes and heat. The starch is mostly degraded and utilised during the fermentation process, but grains and hops both contain additional soluble and insoluble complex polysaccharides within their cell walls that persist and can have beneficial or detrimental effects on the brewing process. Previous studies have mostly been restricted to analysing the grain and/or malt prior to entering the brewing process, but here we track the fates of polysaccharides during the entire brewing process. To do this, we utilised a novel approach based on carbohydrate microarray technology. We demonstrate the successful application of this technology to brewing science and show how it can be utilised to obtain an unprecedented level of knowledge about the underlying molecular mechanisms at work.
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Affiliation(s)
- Jonatan U Fangel
- Carlsberg Research Laboratory, J.C. Jacobsens Gade 4, DK-1799, Copenhagen V, Denmark.
| | - Jens Eiken
- Carlsberg Research Laboratory, J.C. Jacobsens Gade 4, DK-1799, Copenhagen V, Denmark.
| | - Aafje Sierksma
- The Dutch Beer Institute, Lawickse Allee 11, 6701 AN, Wageningen, Netherlands.
| | - Henk A Schols
- Laboratory of Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708WG, Wageningen, Netherlands.
| | - William G T Willats
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK.
| | - Jesper Harholt
- Carlsberg Research Laboratory, J.C. Jacobsens Gade 4, DK-1799, Copenhagen V, Denmark.
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41
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Theron LW, Bely M, Divol B. Monitoring the impact of an aspartic protease (MpAPr1) on grape proteins and wine properties. Appl Microbiol Biotechnol 2018; 102:5173-5183. [DOI: 10.1007/s00253-018-8980-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 03/29/2018] [Accepted: 04/02/2018] [Indexed: 01/17/2023]
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42
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Taylor JP, Jacob F, Arendt EK. Fundamental Study on the Impact of Transglutaminase on Hordein Levels in Beer. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2018. [DOI: 10.1094/asbcj-2015-0527-01] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
| | - Fritz Jacob
- Research Center Weihenstephan for Brewing and Food Quality, Technische Universität München, Germany
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43
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Theron LW, Bely M, Divol B. Characterisation of the enzymatic properties of MpAPr1, an aspartic protease secreted by the wine yeast Metschnikowia pulcherrima. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2017; 97:3584-3593. [PMID: 28098337 DOI: 10.1002/jsfa.8217] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 12/01/2016] [Accepted: 01/12/2017] [Indexed: 06/06/2023]
Abstract
BACKGROUND MpAPr1, encoding an acid protease from the wine yeast Metschnikowia pulcherrima IWBT Y1123, was previously isolated and shown to display potential activity against casein and grape proteins. However, its characterisation remained partial. RESULTS MpAPr1 was cloned into the pGAPZαA vector and transformed into Komagataella pastoris X33 for heterologous expression. After verification of activity, the enzyme properties were characterised. Protease activity within the concentrated supernatant was retained over a pH range of 3.0 to 5.0 and between 10 °C and 50 °C. Optimal conditions for protease activity were found at 40 °C and pH 4.5. Activity was mostly unaffected by the presence of metal ions with the exception of Cu2+ and Ni2+ . Furthermore, proteolytic activity was retained in the presence of sugar and ethanol. pH and temperature conditions for MpAPr1 expression in K. pastoris were optimised. Purification was achieved by means of cation exchange chromatography and kinetic parameters (Km and Vmax ) were determined. MpAPr1 activity against grape proteins was confirmed, but the extent of the degradation was dependent on the nature of these proteins and the environmental conditions. CONCLUSION Overall, the results suggest that MpAPr1 could be applied in food biotechnology processes such as winemaking. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Louwrens Wiid Theron
- Institute for Wine Biotechnology, Stellenbosch University, Private Bag X1, Matieland, South Africa
- Université de Bordeaux, ISVV, EA 4577, Unité de Recherche Œnologie, Villenave d'Ornon, France
| | - Marina Bely
- Université de Bordeaux, ISVV, EA 4577, Unité de Recherche Œnologie, Villenave d'Ornon, France
| | - Benoit Divol
- Institute for Wine Biotechnology, Stellenbosch University, Private Bag X1, Matieland, South Africa
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44
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Krebs G, Becker T, Gastl M. Characterization of polymeric substance classes in cereal-based beverages using asymmetrical flow field-flow fractionation with a multi-detection system. Anal Bioanal Chem 2017; 409:5723-5734. [DOI: 10.1007/s00216-017-0512-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 06/20/2017] [Accepted: 07/06/2017] [Indexed: 10/19/2022]
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45
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Petelski AN, Pamies SC, Benítez EI, Rovaletti MML, Sosa GL. Molecular Insights into Protein-Polyphenols Aggregation: A Dynamic and Topological Description. ChemistrySelect 2017. [DOI: 10.1002/slct.201700726] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- André N. Petelski
- Chemical Engineering Department. Grupo de Investigación en Química Teórica y Experimental (QuiTEx), Facultad Regional Resistencia; Universidad Tecnológica Nacional; French 414 H3500CHJ) Resistencia, Chaco Argentina
- Instituto de Química Básica y Aplicada del Nordeste Argentino (IQUIBA-NEA), UNNE-CONICET.; Avenida Libertad 5460 3400) Corrientes Argentina
| | - Silvana C. Pamies
- Chemical Engineering Department. Grupo de Investigación en Química Teórica y Experimental (QuiTEx), Facultad Regional Resistencia; Universidad Tecnológica Nacional; French 414 H3500CHJ) Resistencia, Chaco Argentina
| | - Elisa I. Benítez
- Chemical Engineering Department. Grupo de Investigación en Química Teórica y Experimental (QuiTEx), Facultad Regional Resistencia; Universidad Tecnológica Nacional; French 414 H3500CHJ) Resistencia, Chaco Argentina
- Instituto de Química Básica y Aplicada del Nordeste Argentino (IQUIBA-NEA), UNNE-CONICET.; Avenida Libertad 5460 3400) Corrientes Argentina
| | - María M. Lataza Rovaletti
- Chemical Engineering Department. Grupo de Investigación en Química Teórica y Experimental (QuiTEx), Facultad Regional Resistencia; Universidad Tecnológica Nacional; French 414 H3500CHJ) Resistencia, Chaco Argentina
| | - Gladis L. Sosa
- Chemical Engineering Department. Grupo de Investigación en Química Teórica y Experimental (QuiTEx), Facultad Regional Resistencia; Universidad Tecnológica Nacional; French 414 H3500CHJ) Resistencia, Chaco Argentina
- Instituto de Química Básica y Aplicada del Nordeste Argentino (IQUIBA-NEA), UNNE-CONICET.; Avenida Libertad 5460 3400) Corrientes Argentina
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46
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Rice CJ, Pawlowsky K, Smart C. Evaluating haze formation in flavoured lager beers using a range of forcing methods. JOURNAL OF THE INSTITUTE OF BREWING 2017. [DOI: 10.1002/jib.442] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Karin Pawlowsky
- Campden BRI; Centenary Hall; Coopers Hill Road, Nutfield Surrey RH1 4HY UK
| | - Chris Smart
- Campden BRI; Centenary Hall; Coopers Hill Road, Nutfield Surrey RH1 4HY UK
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47
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48
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Characterization of the molar mass distribution of macromolecules in beer for different mashing processes using asymmetric flow field-flow fractionation (AF4) coupled with multiple detectors. Anal Bioanal Chem 2017; 409:4551-4558. [DOI: 10.1007/s00216-017-0393-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 05/03/2017] [Indexed: 11/29/2022]
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49
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Holmes CP, Casey J, Cook DJ. Mashing with unmalted sorghum using a novel low temperature enzyme system: Impacts of sorghum grain composition and microstructure. Food Chem 2017; 221:324-334. [DOI: 10.1016/j.foodchem.2016.10.083] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 10/17/2016] [Accepted: 10/19/2016] [Indexed: 11/15/2022]
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50
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Jin W, Zhu J, Jiang Y, Shao P, Li B, Huang Q. Gelatin-Based Nanocomplex-Stabilized Pickering Emulsions: Regulating Droplet Size and Wettability through Assembly with Glucomannan. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:1401-1409. [PMID: 28132504 DOI: 10.1021/acs.jafc.6b04146] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Particle size and surface wettability play leading roles in the distribution of particles on the oil-water interface and the stability of emulsions. This work utilized nanocomplexes assembled from gelatin and tannic acid to stabilize Pickering emulsions. The sizes and surface wettability of particles were further regulated by using a polysaccharide. The sizes of nanocomplexes ranged from 205.8 to 422.2 nm and increased with the addition of polysaccharide. Their contact angles decreased from 84.1° to 59.3°, revealing their hydrophilic nature. Results of fluorescence microscopy and cryo-scanning electron microscopy indicated that nanocomplexes were located at the oil-water interface. Interfacial shear and dilatational rheological data revealed a fast and irreversible adsorption behavior, which differed from rearrangement of gelatin molecules at the oil-water interface. The minimal concentration of nanocomplexes required to stabilize emulsions was 0.1 wt %. Our results demonstrated that protein-polyphenol-polysaccharide nanocomplexes had the potential to be applied to form stable surfactant-free food emulsions for the delivery of nutraceuticals.
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Affiliation(s)
- Weiping Jin
- College of Food Science and Technology, Huazhong Agricultural University , 1st Shizishan Road, Wuhan, Hubei 430070, P. R. China
- Key Laboratory of Environment Correlative Dietology, Huazhong Agricultural University, Ministry of Education , 1st Shizishan Road, Wuhan, Hubei 430070, P. R. China
- Department of Food Science, Rutgers University , 65 Dudley Road, New Brunswick, New Jersey 08901, United States
| | - Jieyu Zhu
- Department of Food Science, Rutgers University , 65 Dudley Road, New Brunswick, New Jersey 08901, United States
| | - Yike Jiang
- Department of Food Science, Rutgers University , 65 Dudley Road, New Brunswick, New Jersey 08901, United States
| | - Ping Shao
- Department of Food Science, Rutgers University , 65 Dudley Road, New Brunswick, New Jersey 08901, United States
- Department of Food Science and Technology, Zhejiang University of Technology , Hangzhou, Zhejiang 310014, P. R. China
| | - Bin Li
- College of Food Science and Technology, Huazhong Agricultural University , 1st Shizishan Road, Wuhan, Hubei 430070, P. R. China
- Key Laboratory of Environment Correlative Dietology, Huazhong Agricultural University, Ministry of Education , 1st Shizishan Road, Wuhan, Hubei 430070, P. R. China
| | - Qingrong Huang
- Department of Food Science, Rutgers University , 65 Dudley Road, New Brunswick, New Jersey 08901, United States
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