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Keywords = low-alcohol beer

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16 pages, 2833 KiB  
Article
Beer-Derived (Poly)phenol Metabolism in Individuals With and Without Metabolic Syndrome: A Comparative Dietary Intervention
by Daniel Hinojosa-Nogueira, Cristina María Díaz-Perdigones, María José García-López, Ascensión Marcos, María P. Portillo, Rosa María Lamuela-Raventós, Alba Subiri-Verdugo, Esther Nova, Iñaki Milton-Laskibar, Polina Galkina, Francisco J. Tinahones and Isabel Moreno-Indias
Molecules 2025, 30(14), 2932; https://doi.org/10.3390/molecules30142932 - 11 Jul 2025
Viewed by 260
Abstract
The consumption of low-alcohol fermented beverages has been related to cardiovascular health improvements. Although the underlying mechanism is not completely understood, (poly)phenols have been proposed as one of the mediators. The objective of this study was to evaluate the impact of a controlled [...] Read more.
The consumption of low-alcohol fermented beverages has been related to cardiovascular health improvements. Although the underlying mechanism is not completely understood, (poly)phenols have been proposed as one of the mediators. The objective of this study was to evaluate the impact of a controlled intervention with beer on (poly)phenols metabolism in individuals with and without metabolic syndrome (MetS). 20 participants (MetS and control) who consumed a standardized amount of beer during 6 weeks were recruited. Phenolic compounds were assessed in urine. Different changes in phenolic compounds associated with chronic beer consumption were found, particularly related to hesperetin conjugates and to the degradation of phenolic compounds derived from flavonoids and lignans. Noteworthily, MetS and control participants differed in baseline urine phenolic compound profiles and in their metabolization. Significant differences were found in the production and excretion of key (poly)phenols-derived metabolites, such as increased naringenin phase II conjugates in healthy subjects, or increased bacterial flavonoid catabolites. Certain relationships were observed between the phenolic compounds with metabolic and anthropometric variables. These findings suggest that beer-derived (poly)phenols are differentially metabolized according to metabolic-health status, and that they may contribute to certain metabolic health benefits through the modulation of specific metabolic pathways. Full article
(This article belongs to the Special Issue Advances in Phenolic Based Complexes)
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17 pages, 1910 KiB  
Article
Production of Lambic-like Fruit Sour Beer with Lachancea thermotolerans
by Rubén Bartolomé, Elena Alonso, Antonio Morata and Carmen López
Antioxidants 2025, 14(7), 826; https://doi.org/10.3390/antiox14070826 - 4 Jul 2025
Viewed by 479
Abstract
Consumer demand for low-alcohol acidic beers is driving the use of non-conventional yeasts in the brewing process. In this study, the addition of mixed berries and fermentation with L. thermotolerans L31 are performed in crafting a low-alcohol acidic beer. Four different beers were [...] Read more.
Consumer demand for low-alcohol acidic beers is driving the use of non-conventional yeasts in the brewing process. In this study, the addition of mixed berries and fermentation with L. thermotolerans L31 are performed in crafting a low-alcohol acidic beer. Four different beers were brewed in the primary stage with either Saccharomyces cerevisiae or L. thermotolerans and with or without added berry mixture. Beer was fermented for 8 days at 20 °C, stored, and bottled. pH, density, alcoholic content, bitterness, and color of final beer were analyzed for all samples using analytical methods. Volatile compounds, anthocyanin content, and antioxidant activity were also evaluated. Sensory analysis was performed and correlated (PCA) with the analytical results. The obtained data indicated that beers brewed with L. thermotolerans were significantly more acidic and less bitter than S. cerevisiae beers. No difference in alcoholic content was found. Fruity aroma-associated compounds were present in L. thermotolerans beers, which correlated with the sensory analysis. Fruit beers were also redder and showed higher anthocyanin content and stronger antioxidant activity due to the presence of anthocyanins such as cyanidin, delphinidin, and malvidin from fruit, and other antioxidant compounds. Full article
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23 pages, 4926 KiB  
Article
Filtration Challenges in Non-Alcoholic and Low-Alcohol Beer Production with a Focus on Different Yeast Strains
by Christian Schubert, Jörg Maxminer, Matthew Aitkens, Andrew Maust, Bernardo Pontes Guimarães, Rahul Sen and Scott Lafontaine
Appl. Sci. 2025, 15(12), 6797; https://doi.org/10.3390/app15126797 - 17 Jun 2025
Viewed by 918
Abstract
This study examines the impact of yeast selection on fermentation performance, filtration efficiency, and the stability of low-alcohol and non-alcoholic beer (NAB). Three yeast strains (LA-01, LoNa, and W-34/70) were evaluated for their effects on key NAB parameters like ABV, bitterness, color, haze [...] Read more.
This study examines the impact of yeast selection on fermentation performance, filtration efficiency, and the stability of low-alcohol and non-alcoholic beer (NAB). Three yeast strains (LA-01, LoNa, and W-34/70) were evaluated for their effects on key NAB parameters like ABV, bitterness, color, haze readings, and filtration-linked performance. Filtration trials revealed that highly flocculating W-34/70 resulted in lower post-filtration turbidity, whereas LA-01 and LoNa (which flocculated less) required more effective filtration techniques to achieve clarity. Among the tested filter sheets, AF 31, AF 71, and AF 101 successfully reduced turbidity below 2 EBC. However, all NABs exhibited haze formation during storage, indicating the necessity of stabilization treatments. These findings highlight the importance of yeast strain selection and filtration strategies in optimizing NAB production. Additional pretreatment steps, such as centrifugation, may improve filterability for non-flocculating yeasts, while stabilization measures are essential for maintaining long-term clarity. This study provides valuable insights for improving industrial NAB processing and quality. Full article
(This article belongs to the Section Applied Industrial Technologies)
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14 pages, 1026 KiB  
Systematic Review
Potomania and Beer Potomania: A Systematic Review of Published Case Reports
by Keila S. Micoanski, Jose M. Soriano and Monica M. Gozalbo
Nutrients 2025, 17(12), 2012; https://doi.org/10.3390/nu17122012 - 16 Jun 2025
Viewed by 632
Abstract
Background/Objectives: Potomania and beer potomania are rare but important causes of dilutional hyponatremia, resulting from excessive fluid intake combined with low solute consumption. This systematic review aimed to identify and describe the clinical presentations, underlying causes, complications, and management approaches in published [...] Read more.
Background/Objectives: Potomania and beer potomania are rare but important causes of dilutional hyponatremia, resulting from excessive fluid intake combined with low solute consumption. This systematic review aimed to identify and describe the clinical presentations, underlying causes, complications, and management approaches in published case reports of these conditions. Methods: A systematic search was conducted in PubMed, Embase, Web of Science, and Scopus. Inclusion criteria were case reports and letters to the editor with confirmed diagnoses of potomania or beer potomania. The Joanna Briggs Institute (JBI) checklist was used to evaluate study quality. The SPIDER framework guided the selection process. A qualitative, narrative synthesis was performed. Results: Forty-four cases were included. Hyponatremia was the most frequent finding, commonly accompanied by neurological symptoms such as confusion and seizures. Beer potomania was more prevalent among male patients and associated with alcohol consumption and poor nutrition. Potomania was linked to restrictive diets, psychiatric disorders, or excessive intake of various non-alcoholic fluids. Management typically involved fluid restriction, correction of electrolytes, nutritional support, and psychiatric care. Five cases developed osmotic demyelination syndrome due to rapid sodium correction. Conclusions: Increased clinical awareness of potomania and beer potomania is essential to prevent severe outcomes. Early identification, individualized management, and cautious correction of serum sodium are crucial. Despite the limitations of case report evidence, this review provides meaningful insights into diagnosis and treatment. Full article
(This article belongs to the Special Issue Eating and Mental Health Disorders)
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18 pages, 2673 KiB  
Article
Characterization of Key Factors Associated with Flavor Characteristics in Lager Beer Based on Flavor Matrix
by Jiaxin Hong, Huayang Wei, Ruiyang Yin, Jiang Xie, He Huang, Liyun Guo, Dongrui Zhao, Yumei Song, Jinyuan Sun, Mingquan Huang and Baoguo Sun
Foods 2025, 14(10), 1702; https://doi.org/10.3390/foods14101702 - 11 May 2025
Viewed by 535
Abstract
Lager beer has the characteristics of a refreshing aroma, clean and less intense taste, as well as a low alcohol degree, which is suitable for daily drinking. This study aimed to clarify the relationship between important flavor compounds and flavor profiles for lager [...] Read more.
Lager beer has the characteristics of a refreshing aroma, clean and less intense taste, as well as a low alcohol degree, which is suitable for daily drinking. This study aimed to clarify the relationship between important flavor compounds and flavor profiles for lager beer. Headspace solid-phase microextraction, solvent-assisted flavor evaporation combined with comprehensive two-dimensional gas chromatography–mass spectrometry, gas chromatography–mass spectrometry, and gas chromatography-olfactometry–mass spectrometry were applied for the qualitative and quantitative analysis of the trace components in lager beer. Furthermore, the recombination experiment was successfully applied to simulate the flavor profile, and the omission experiment was conducted to study the effects of flavor compounds on the flavor profile. A total of nine compounds were identified as the key flavor compounds, and their contribution to the flavor characteristics of lager beer was verified according to validation experiments. It was found that the influence of the key flavor compounds on the sensory attributes such as malty aroma, fruity aroma, sweetness, and bitterness varied with their concentration. These findings might provide ideas for the research regarding the flavor compounds and flavor profile of lager beer, and contribute to the development of different types of beer in the future. Full article
(This article belongs to the Section Food Physics and (Bio)Chemistry)
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16 pages, 546 KiB  
Review
Applications of Reverse Osmosis and Nanofiltration Membrane Process in Wine and Beer Industry
by Yogesh Kumar, Atul Khalangre, Rajat Suhag and Alfredo Cassano
Membranes 2025, 15(5), 140; https://doi.org/10.3390/membranes15050140 - 2 May 2025
Cited by 2 | Viewed by 1436
Abstract
Reverse osmosis (RO) and nanofiltration (NF) membranes are traditionally employed in wine and beer production for concentration, clarification, and stabilization. Their applications now extend to dealcoholization, addressing rising demand for low-alcohol beverages. RO/NF selectively reduce ethanol while retaining volatile aromas and non-volatile flavors, [...] Read more.
Reverse osmosis (RO) and nanofiltration (NF) membranes are traditionally employed in wine and beer production for concentration, clarification, and stabilization. Their applications now extend to dealcoholization, addressing rising demand for low-alcohol beverages. RO/NF selectively reduce ethanol while retaining volatile aromas and non-volatile flavors, outperforming thermal methods that degrade sensory profiles. This review examines RO/NF roles in alcohol adjustment, sugar modification, and by-product recovery, emphasizing mechanisms and efficiency. Operational challenges such as membrane fouling (polysaccharides, polyphenols), selectivity–permeation flux trade-offs, and energy costs are assessed. By balancing tradition with innovation, RO/NF technologies offer transformative potential for meeting health and sustainability goals in beverage industries. However, gaps in standardization, sensory consistency, and cost-effectiveness necessitate targeted research to optimize industrial adoption and consumer acceptance. Full article
(This article belongs to the Special Issue Membrane Processes for Water Recovery in Food Processing Industries)
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18 pages, 1270 KiB  
Review
Strategies for Reducing Purine Accumulation in Beer: From Metabolic Mechanisms to Brewing Technology Innovations
by Jun Liu and Jian Lu
Fermentation 2025, 11(4), 193; https://doi.org/10.3390/fermentation11040193 - 5 Apr 2025
Viewed by 3051
Abstract
The rising prevalence of hyperuricemia and gout, driven by dietary purine intake, has intensified demand for healthier alcoholic beverages. Beer, a major contributor to exogenous purines, poses significant health risks despite its cultural and economic importance. This review systematically analyzes purine sources in [...] Read more.
The rising prevalence of hyperuricemia and gout, driven by dietary purine intake, has intensified demand for healthier alcoholic beverages. Beer, a major contributor to exogenous purines, poses significant health risks despite its cultural and economic importance. This review systematically analyzes purine sources in beer, metabolic pathways leading to uric acid production, and cutting-edge strategies for purine reduction. We evaluate physical adsorption, enzymatic degradation, microbial fermentation, and yeast metabolic engineering, highlighting their efficacy and limitations in industrial applications. Challenges such as flavor preservation, regulatory compliance, and scalability are critically discussed. By integrating multidisciplinary approaches ranging from synthetic biology to process optimization, this work provides a roadmap for developing commercially viable low-purine beers, bridging the gap between public health priorities and brewing industry innovation. Full article
(This article belongs to the Section Microbial Metabolism, Physiology & Genetics)
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14 pages, 5609 KiB  
Article
The Characterization of the Purine Nucleoside Phosphorylase from Agaricus bisporus and Its Potential Application in Reducing Purine Content in Beer
by Jun Liu and Jian Lu
J. Fungi 2025, 11(4), 268; https://doi.org/10.3390/jof11040268 - 31 Mar 2025
Viewed by 676
Abstract
Beer, the most popular alcoholic beverage, poses health risks for individuals with gout and hyperuricemia due to its high purine content. Herein, we identified a novel purine nucleoside phosphorylase (AbPNP) from the edible mushroom Agaricus bisporus and heterologously expressed it in [...] Read more.
Beer, the most popular alcoholic beverage, poses health risks for individuals with gout and hyperuricemia due to its high purine content. Herein, we identified a novel purine nucleoside phosphorylase (AbPNP) from the edible mushroom Agaricus bisporus and heterologously expressed it in Pichia pastoris. The recombinant AbPNP exhibited optimal activity at 60 °C and pH 7.0, retaining >80% activity at pH 6.0–9.0 and >85% activity after 3 h at ≤60 °C. Kinetic analysis revealed high catalytic efficiency (kcat/Km = 2.02 × 106 s−1⋅M−1) toward inosine, with strong resistance to metal ions except for Co2+ and Cu2+. The application of AbPNP (1.0–5.0 U/mL) during wort saccharification reduced purine nucleosides by 33.54% (from 151.53 to 100.65 mg/L) while increasing yeast utilization of free purine bases. The resulting beer showed improved fermentation performance (alcohol content increased by 3.6%) without compromising flavor profiles. This study provides the food-grade enzymatic strategy for low-purine beer production, leveraging the GRAS status of both A. bisporus and P. pastoris. Full article
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20 pages, 647 KiB  
Review
From Vineyard to Brewery: A Review of Grape Pomace Characterization and Its Potential Use to Produce Low-Alcohol Beverages
by Bianca de Paula Telini, Lorenza Corti Villa, Marilene Henning Vainstein and Fernanda Cortez Lopes
Fermentation 2025, 11(2), 57; https://doi.org/10.3390/fermentation11020057 - 28 Jan 2025
Cited by 5 | Viewed by 1657
Abstract
The production of low-alcohol beverages is an important world trend due to concerns about health and well-being. The use of agro-industrial residues, such as grape pomace, to produce bioactive and diverse beverages is highly acceptable to consumers. It is an eco-friendly approach that [...] Read more.
The production of low-alcohol beverages is an important world trend due to concerns about health and well-being. The use of agro-industrial residues, such as grape pomace, to produce bioactive and diverse beverages is highly acceptable to consumers. It is an eco-friendly approach that contributes to sustainability and a circular economy. This mini review highlights the composition of grape pomace and its emerging role as a fermentation substrate, emphasizing its potential to contribute to sustainable beverage innovation. In addition, we discussed using non-conventional yeasts to produce beer with different aromas, flavors, and low alcoholic content, as well as the possibility of using a vast diversity of substrates during fermentation, including grape pomace. Different yeasts and substrates bring new opportunities to the market for brewery industries and other products. Full article
(This article belongs to the Special Issue Waste as Feedstock for Fermentation, 2nd Edition)
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11 pages, 2187 KiB  
Article
Evidence in Lager Yeasts of β-Lyase Activity Breaking Down γ-GluCys-Conjugates More Efficiently Than Cys-Conjugates to Odorant Beer Polyfunctional Thiols
by Romain Christiaens, Margaux Simon, Raphaël Robiette and Sonia Collin
Molecules 2025, 30(2), 325; https://doi.org/10.3390/molecules30020325 - 15 Jan 2025
Cited by 1 | Viewed by 1012
Abstract
The prevalence of glutathionylated (G-) precursors of polyfunctional thiols (PFTs) over their free forms has prompted investigating how to optimize the enzymatic breakdown of these precursors with yeast during lager, ale, and non-alcoholic/low-alcoholic beer (NABLAB) fermentation trials. Some Saccharomyces cerevisiae yeasts have been [...] Read more.
The prevalence of glutathionylated (G-) precursors of polyfunctional thiols (PFTs) over their free forms has prompted investigating how to optimize the enzymatic breakdown of these precursors with yeast during lager, ale, and non-alcoholic/low-alcoholic beer (NABLAB) fermentation trials. Some Saccharomyces cerevisiae yeasts have been selected for their higher β-lyase activity on the cysteinylated (Cys-) conjugates (up to 0.54% for SafAleTM K-97), yet some S. pastorianus strains and one maltose-negative S. cerevisiae var. chevalieri yeast have proved to release PFTs more efficiently from G-precursors (up to 0.21% for BRAS-45 and 0.19% for SafBrewTM LA-01). The present study aimed to explore the possibility and extent of direct release in the beer of 3-sulfanylhexanol from its synthetic γ-glutamylcysteinylated (γ-GluCys-) precursor. Release efficiency was determined by GC-PFPD after the fermentation (7 days at 24 °C and 3 days at 4 °C) of a 15 °Plato (°P) wort enriched with 15 mg/L of synthesized γ-GluCys-3SHol. Up to a 0.28–0.35% release was measured with S. pastorianus strains BRAS-45 and SafLagerTM E-30, while much lower activities (≤0.16%) were observed with S. cerevisiae yeasts, including the maltose-negative chevalieri variety. This β-lyase activity on γ-GluCys-3SHol has never been described before. Under our experimental conditions, the efficiency of release from γ-GluCys-3SHol was drastically reduced in low-density worts. A strongly strain-dependent impact of temperature was also observed. Full article
(This article belongs to the Special Issue Food Chemistry in Europe)
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16 pages, 2154 KiB  
Article
Assessing Lifestyle in a Large Cohort of Undergraduate Students: Significance of Stress, Exercise and Nutrition
by Daniela Lucini, Ester Luconi, Luca Giovanelli, Giuseppe Marano, Giuseppina Bernardelli, Riccardo Guidetti, Eugenio Morello, Stefano Cribellati, Marina Marzia Brambilla and Elia Mario Biganzoli
Nutrients 2024, 16(24), 4339; https://doi.org/10.3390/nu16244339 - 16 Dec 2024
Cited by 3 | Viewed by 1905
Abstract
Background/Objectives: Lifestyle (in particular, nutrition and exercise) determines present and future youths’ health. The goal of the present study was to identify specific student groups who deserve precise lifestyle improvement interventions, tailored to their characteristics. Methods: An anonymous web-based questionnaire to assess lifestyle [...] Read more.
Background/Objectives: Lifestyle (in particular, nutrition and exercise) determines present and future youths’ health. The goal of the present study was to identify specific student groups who deserve precise lifestyle improvement interventions, tailored to their characteristics. Methods: An anonymous web-based questionnaire to assess lifestyle was posted on the websites of two main Italian Academic Institutions, and 9423 students voluntarily participated. A personalised immediate report was provided to improve compliance/motivation. We assessed age, sex, affiliation, anthropometrics, lifestyle components (nutrition, exercise, sedentariness, stress perception, smoking, alcohol, sleep), and the desire to be helped with lifestyle improvement. Cluster analysis was performed to identify healthy lifestyle groups among the students. Results: In total, 6976 subjects [age: 21 (20, 23) yrs; 3665 female, 3300 male] completed the questionnaire and were included. Of these students, 73.9% expressed the need for lifestyle improvement help, particularly for becoming physically active (66.7%), managing stress (58.7%), and improving nutrition (52.7%). We unveil three clusters of subjects, each corresponding to a distinct lifestyle pattern. The clusters are differentiated by exercise level and perceptions of stress/fatigue/somatic symptoms (cluster 1: 74.8% meet international exercise guidelines (IEGs), 67.4% have high stress perception, 49.1% drink 1–3 glasses of wine/beer per week, and 63.3% drink 0–1 glass of spirits per week; cluster 2: 75.6% meet IEGs, 75.7% have low/medium levels of stress perception, and 65.8% have low alcohol consumption; cluster 3: 72.5% do not meet IEGs, 77.6% have high stress perception, and 67.5% have low alcohol consumption). More active students present lower stress/somatic symptoms perception. Interestingly, the AHA diet score (nutrition quality) was not in the ideal range in any cluster (nevertheless, obesity was not of concern), being worst in cluster 3, characterized by higher stress perception (59.7% had poor nutrition quality). Those who were physically active but showed a high stress/fatigue perception were used to drinking alcohol. Conclusions: Students desire help to improve their lifestyle, and this approach might help identify specific student groups to whom LIs in Academic Institutions can be tailored to foster well-being and promote health. Full article
(This article belongs to the Special Issue The Role of Healthy Eating and Physical Activity in Longevity)
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18 pages, 686 KiB  
Article
The Impact of Selected Lachancea Yeast Strains on the Production Process, Chemical Composition and Aroma Profiles of Beers
by Marek Zdaniewicz, Paweł Satora, Paulina Kania and Adam Florkiewicz
Molecules 2024, 29(23), 5674; https://doi.org/10.3390/molecules29235674 - 30 Nov 2024
Cited by 1 | Viewed by 1347
Abstract
Changing trends in the brewing market show that breweries want to attract consumers with new products. New flavours and aromas in beer can be achieved by using various additives. However, non-Saccharomyces yeast strains make it possible to produce beer with an original [...] Read more.
Changing trends in the brewing market show that breweries want to attract consumers with new products. New flavours and aromas in beer can be achieved by using various additives. However, non-Saccharomyces yeast strains make it possible to produce beer with an original sensory profile but according to a traditional recipe (without additives). The aim of this study was to evaluate the influence of 10 different yeast strains, belonging to the species Lachancea thermotolerans and L. fermentati, on the creation of different physico-chemical profiles in beers. For this purpose, the same malt wort with a 12°P extract, hopped with Octawia hops (8.4% alpha acids), was inoculated with the aforementioned yeast strains. The fermentation kinetics, the yeast’s ability to ferment sugars, the production of organic acids and glycerol and the formation of volatile compounds in the beer were monitored. The beers obtained were classified as low-alcohol and regular. In addition, some beers were measured to have a low pH, qualifying them as “sour” beers, which are currently gaining in popularity. Most interesting, however, was the effect of the selected Lachancea yeast strains on the composition of the beer volatiles. In the second stage of this study, the beers obtained were again subjected to a chromatographic analysis, this time using an olfactometric detector (GC-O). This analysis was dictated by the need to verify the actual influence of the compounds determined (GC-MS) on the creation of the final aroma profile. This study showed that selected strains of Lachancea thermotolerans and L. fermentati have very high brewing potential to produce different original beers from the same hopped wort. Full article
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16 pages, 1920 KiB  
Review
Dose–Response Associations Between Diet and Risk of Rheumatoid Arthritis: A Meta-Analysis of Prospective Cohort Studies
by Yuanyuan Dong, Darren C. Greenwood, James Webster, Chinwe Uzokwe, Jinhui Tao, Laura J. Hardie and Janet E. Cade
Nutrients 2024, 16(23), 4050; https://doi.org/10.3390/nu16234050 - 26 Nov 2024
Cited by 1 | Viewed by 6056
Abstract
To provide a systematic and quantitative summary of dietary factors and rheumatoid arthritis (RA) risk. A systematic review and meta-analysis included prospective cohort studies from 2000 to 2024 reporting relative risks (RRs) with 95% confidence intervals (CIs) for RA incidence relating to 32 [...] Read more.
To provide a systematic and quantitative summary of dietary factors and rheumatoid arthritis (RA) risk. A systematic review and meta-analysis included prospective cohort studies from 2000 to 2024 reporting relative risks (RRs) with 95% confidence intervals (CIs) for RA incidence relating to 32 different dietary exposures. Linear and non-linear dose–response analyses were conducted. Thirty studies were included, involving 2,986,747 participants with 9,677 RA cases. Linear dose–response analysis suggested that each 2-unit per week increase in total alcohol intake was linked to 4% risk reduction (RR (95%-CI), heterogeneity (I2), NutriGrade score: 0.96 (0.94, 0.98), 58%, moderate certainty), and beer consumption was associated with a 10% reduction per 2 units/week increase (0.90 (0.84, 0.97), 0%, very low certainty). Each 2-unit/week increase in total alcohol intake was associated with a 3% decrease in seropositive RA risk (0.97 (0.96, 0.99), 28%, moderate certainty). Increased intakes of fruit (per 80 g/day) and cereals (per 30 g/day) were associated with 5% (0.95 (0.92, 0.99), 57%, moderate certainty) and 3% (0.97 (0.96, 0.99), 20%, moderate certainty) reduced risk, respectively. Conversely, tea consumption showed a 4% increased risk per additional cup/day (1.04 (1.02, 1.05), 0%, moderate certainty). Non-linear associations were observed for total coffee, vegetables, oily fish, and vitamin D supplementation. Data on dietary patterns and specific micronutrients were limited. The findings suggest that moderate alcohol consumption and a higher intake of fruits, oily fish, and cereals are associated with a reduced risk of RA, while tea and coffee may be linked to an increased risk. Optimising dietary intake of certain food components may reduce RA risk, despite moderate-quality evidence. Full article
(This article belongs to the Section Nutritional Immunology)
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19 pages, 1941 KiB  
Article
The Potential of Co-Fermentation with Pichia kluyveri and Saccharomyces cerevisiae for the Production of Low-Alcohol Craft Beer
by Ping-Hsiu Huang, Yung-Chi Lin, Yu-Wen Lin, You-Wei Zhang and Da-Wei Huang
Foods 2024, 13(23), 3794; https://doi.org/10.3390/foods13233794 - 26 Nov 2024
Cited by 2 | Viewed by 2021
Abstract
The potential health impacts of moderate alcohol consumption have long been debated. The COVID-19 pandemic has heightened public awareness of health concerns, creating a clear market opportunity for low-alcohol craft beer development. This study investigated the possibility of low-alcohol craft beer by co-fermentation [...] Read more.
The potential health impacts of moderate alcohol consumption have long been debated. The COVID-19 pandemic has heightened public awareness of health concerns, creating a clear market opportunity for low-alcohol craft beer development. This study investigated the possibility of low-alcohol craft beer by co-fermentation with different ratios of Pichia kluyveri (P. kluyveri) and Saccharomyces cerevisiae (SC) according to the established quality indexes. Specifically, this study was conducted to identify the low-alcohol craft beer quality by fermentation kinetics, growth kinetics, apparent attenuation (AA), real attenuation (RA), residual sugar content, alcohol by volume (ABV), and volatile organic compounds. This study demonstrated that the co-fermentation of SC and P. kluyveri in a 1:10 ratio produced an ABV of 2.98% (v/v). In addition, high concentrations of isoamyl acetate and phenyl ethyl acetate revealed banana, rose, apple, and honey flavors, respectively. Overall, this study revealed that the fermentation of P. kluyveri and SC by co-fermentation and the fermentation process by adjusting the yeast composition developed a craft beer with low alcohol content and rich aroma while establishing the quality indicators. Full article
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9 pages, 263 KiB  
Article
Characterization of Beer Produced with the Addition of Brown Macroalgae Fucus virsoides
by Kristina Habschied, Zdenko Lončarić, Stela Jokić, Krunoslav Aladić, Vinko Krstanović and Krešimir Mastanjević
Appl. Sci. 2024, 14(20), 9594; https://doi.org/10.3390/app14209594 - 21 Oct 2024
Viewed by 1725
Abstract
Marine macroalgae are organisms rich in bioactive compounds such as polysaccharides, polyphenols, and various minerals. Macroalgae are increasingly being added to the human diet precisely because they contain useful compounds that can also be used in the pharmaceutical industry. Previous research describes their [...] Read more.
Marine macroalgae are organisms rich in bioactive compounds such as polysaccharides, polyphenols, and various minerals. Macroalgae are increasingly being added to the human diet precisely because they contain useful compounds that can also be used in the pharmaceutical industry. Previous research describes their addition to meat products, yogurt, bread, and baby food. However, data on the addition of algae to beer have been scarce. The goal of this work was to produce beer with the addition of brown macroalgae (Fucus virsoides) from the Adriatic Sea. In addition, the basic physical–chemical parameters (color, pH, ethanol, extract, and polyphenols) were determined. The most important premise is the transfer of selenium (Se) to beer, since Se is deficient in human food chain. The transfer of different metals, namely, S (sulfur), Mg (magnesium), P (phosphorus), K (potassium), Ca (calcium), Cr (chromium), Mn (manganese), Fe (iron), Co (cobalt), Ni (nickel), Cu (copper), Zn (zinc), As (arsenic), Se (selenium), Mo (molybdenum), Cd (cadmium), Hg (mercury), and Pb (lead), from algae to beer was determined using inductively coupled plasma–mass spectrometry (ICP−MS). The results, however, were not satisfactory regarding metal transfer. In particular, Se was detected in beer, but other metals such as As, Cd, and Pb were not. Alga addition contributed to extract values, and the original extract reached 14.3 °P in wort with alga addition, as opposed to 12.8 °P in the control sample. Such high extract content, however, resulted in beer with low alcohol content, <4% v/v for both beers. This could be explained by the high levels of unfermentable extract. pH values showed statistical difference between samples, meaning that the addition of algae significantly affected the pH value of beer, reducing acidity by almost 5%. Full article
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