Randomized controlled trial2022Industry fundedOpen access

Funded in part by Egg Nutrition Center, American Egg Board/Egg Nutrition Center

Comparison between Egg Intake versus Choline Supplementation on Gut Microbiota and Plasma Carotenoids in Subjects with Metabolic Syndrome

Thomas MS, DiBella M, Blesso CN, Malysheva O, Caudill M, Sholola M, Cooperstone JL, Fernandez ML

Nutrients · 17 citations

Review labels

Author industry tiesControlled feedingIndustry funded

Neutral facts our review recorded about how this study was done. They describe method, never whether we like the result.

How it was studied

Design
Randomized controlled trial (indexed by PubMed)
Studied in
People
Main outcome
Health markers and function
Intake measured by
Food provided by researchers

Who paid for it

Funding
Industry funded
Industry group
Egg Nutrition Center
Industry group
American Egg Board/Egg Nutrition Center
Authors
At least one author declares a financial tie to industry

Based on 2 listed funder(s) and full-text disclosure statement.

Publication

Published
2022-03-11 · Nutrients · vol. 14 · issue 6 · p. 1179
Publisher
Multidisciplinary Digital Publishing Institute
Cited
23 citations · more than 93% of similar papers · 3.7× the field average
Impact
Top 10% most cited in its field
References
89 works
Access
Open access (journal) · CC-BY
Research areas
Nutritional Studies and Diet · Gut microbiota and health · Folate and B Vitamins Research
Keywords
Lutein, Zeaxanthin, Carotenoid, Choline, Xanthophyll, Gut flora, Chemistry, Lachnospiraceae, Food science, Biology, Internal medicine, Animal science, Endocrinology, Biochemistry, Medicine, 16S ribosomal RNA
MeSH
humans, choline, carotenoids, rna, ribosomal, 16s, dietary supplements, eggs, gastrointestinal microbiome, metabolic syndrome

8 authors

From US

  • Minu Sara ThomasUniversity of Connecticut
  • Marissa DiBellaUniversity of Connecticut
  • Christopher N. BlessoUniversity of Connecticut
  • Olga V. MalyshevaCornell University
  • Marie A. CaudillCornell University
  • Maria J. ShololaThe Ohio State University

Abstract

We previously demonstrated that intake of three eggs/d for 4 weeks increased plasma choline and decreased inflammation in subjects with metabolic syndrome (MetS). The purpose of the current study was to further explore the effects of phosphatidylcholine (PC) provided by eggs versus a choline bitartrate (CB) supplement on the gut microbiota, trimethylamine N-oxide (TMAO) formation, and plasma carotenoids lutein and zeaxanthin in MetS. This randomized, controlled crossover clinical trial included 23 subjects with MetS. Following a washout period of 2 weeks without consuming any choline-containing foods, subjects were randomly allocated to consume either three eggs/d or a CB supplement for 4 weeks (both diets had a choline equivalent of 400 mg/day). DNA was extracted from stool samples to sequence the 16S rRNA gene region for community analysis. Operational taxonomic units (OTUs) and the α-diversity of the community were determined using QIIME software. Plasma TMAO, methionine, betaine, and dimethylglycine (DMG) were quantified by stable isotope dilution liquid chromatography with tandem mass spectrometry. Plasma carotenoids, lutein, and zeaxanthin were measured using reversed-phase high-performance liquid chromatography. There were significant increases in plasma lutein and zeaxanthin after egg intake compared to the baseline or intake of CB supplement (p 0.05). Additionally, while diet intervention had no effects on microbiota diversity measures or relative taxa abundances, a correlation between bacterial biodiversity and HDL was observed. Following egg intake, the observed increases in plasma lutein and zeaxanthin may suggest additional protection against oxidative stress, a common condition in MetS.

Abstract via Europe PMC. Copyright remains with the authors or publisher (CC BY).

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