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Association of Moderate Beer Consumption with the Gut Microbiota and SCFA of Healthy Adults.

ABSTRACT: Fermented alcoholic drinks' contribution to the gut microbiota composition is mostly unknown. However, intestinal microorganisms can use compounds present in beer. This work explored the associations between moderate consumption of beer, microbiota composition, and short chain fatty acid (SCFA) profile. Seventy eight subjects were selected from a 261 healthy adult cohort on the basis of their alcohol consumption pattern. Two groups were compared: (1) abstainers or occasional consumption (ABS) (n = 44; <1.5 alcohol g/day), and (2) beer consumption ?70% of total alcohol (BEER) (n = 34; 200 to 600 mL 5% vol. beer/day; <15 mL 13% vol. wine/day; <15 mL 40% vol. spirits/day). Gut microbiota composition (16S rRNA gene sequencing) and SCFA concentration were analyzed in fecal samples. No differences were found in ? and ? diversity between groups. The relative abundance of gut bacteria showed that Clostridiaceae was lower (p = 0.009), while Blautia and Pseudobutyrivibrio were higher (p = 0.044 and p = 0.037, respectively) in BEER versus ABS. In addition, Alkaliphilus, in men, showed lower abundance in BEER than in ABS (p = 0.025). Butyric acid was higher in BEER than in ABS (p = 0.032), and correlated with Pseudobutyrivibrio abundance. In conclusion, the changes observed in a few taxa, and the higher butyric acid concentration in consumers versus non-consumers of beer, suggest a potentially beneficial effect of moderate beer consumption on intestinal health.

SUBMITTER: Gonzalez-Zancada N

PROVIDER: S-EPMC7587552 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Association of Moderate Beer Consumption with the Gut Microbiota and SCFA of Healthy Adults.

González-Zancada Natalia N Redondo-Useros Noemí N Díaz Ligia E LE Gómez-Martínez Sonia S Marcos Ascensión A Nova Esther E

Molecules (Basel, Switzerland) 20201017 20

Fermented alcoholic drinks' contribution to the gut microbiota composition is mostly unknown. However, intestinal microorganisms can use compounds present in beer. This work explored the associations between moderate consumption of beer, microbiota composition, and short chain fatty acid (SCFA) profile. Seventy eight subjects were selected from a 261 healthy adult cohort on the basis of their alcohol consumption pattern. Two groups were compared: (1) abstainers or occasional consumption (ABS) (< ...[more]

PMID: 33080809

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Project description:Abstract Objectives Lactase persistence (LP) is a heritable trait in which lactose can be digested into adulthood. Lactase non-persisters (LNP) who consume lactose may experience microbial adaptations in response to the undigested lactose. The objective of this study was to determine the interaction between lactose consumption, LP genotype and gut microbiota in an observational cross-sectional study of healthy U.S. adults. Methods ASA24 dietary data and stool samples were collected from healthy U.S. adults genotyped for the lactase persistence SNP ID: rs4988235 (n = 280). Lactose was estimated by matching ASA24-reported foods to foods in the Nutrition Coordinating Center Food and Nutrient Database. The 16S rRNA V4/V5 region, amplified from bacterial DNA extracted from each frozen stool sample, was sequenced using Illumina MiSeq (300bp PE) and analyzed using Qiime 2 (v 2019.10). Bacterial sequence counts present at greater than 0.1% of the total data set were analyzed using DESeq2 and LEfSe. Taxa that were differentially abundant by both analyses at the family or genus level are reported here. Results On average 246 ng/uL (3.9 – 646.5ng/uL) DNA was obtained from each sample, yielding 21,470 sequences (10,122 – 56,837). LP genotypes were unevenly distributed by ethnicity and Clostridium (family Lachnospiraceae) was significantly enriched in Asian ethnicities. Therefore, only Caucasian and Hispanic participants were grouped as LP (AA or AG genotype) or LNP (GG genotype) for further analysis. The abundance of Roseburia and family Lachnospriaceae was higher in the upper (>12.4g), relative to lower (< 5.78g), tertile of lactose consumption in LNP adults, but not in LP. Conclusions Increased abundance of Roseburia, a microbe capable of utilizing lactose, in LNP individuals consuming >12.4 g lactose/day suggests that this genus may metabolize lactose in LNP adults. Funding Sources The California Dairy Research Foundation and the United States Department of Agriculture, Agricultural Research Service.

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Dataset Information

Association of Moderate Beer Consumption with the Gut Microbiota and SCFA of Healthy Adults.

Publications

Association of Moderate Beer Consumption with the Gut Microbiota and SCFA of Healthy Adults.

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