Lactococcus lactis and Resveratrol Decrease Body Weight and Increase Benefic Gastrointestinal Microbiota in Mice

Author(s): Keila Lopes Mendes, Deborah de Farias Lelis, Letícia Antunes Athayde Souza, Ronize Viviane Jorge Brito, Mariléia Chaves Andrade, Sérgio Avelino Mota Nobre, André Luiz Sena Guimarães, Alfredo Maurício Batista de Paula, Juliana Pinto de Lima, Aline M. Hilzendeger, Sérgio Henrique Sousa Santos*

Journal Name: Protein & Peptide Letters

Volume 28 , Issue 7 , 2021


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Abstract:

Background: The microbiome is now known for its important role in whole-body homeostasis. A dysbiosis of the normal microbiota is correlated with metabolic disorders. In this sense, the search for compounds able to modulate the microbiome is needed. Resveratrol, a natural compound found in grapes seems to be a promising candidate.

Objective: In this study, our motivation was to evaluate the effects of the association between Resveratrol and Lactococcus lactis, a probiotic, on the composition of the gastrointestinal microbiota and body weight of mice.

Methods: Twenty female mice were divided into 4 groups: (1) standard diet, (2) standard diet plus Lactococcus lactis, (3) standard diet plus resveratrol, and (4) standard diet plus Lactococcus lactis and resveratrol. At the end of the treatment period, samples of blood, mucus, stomach, and small and large intestines were collected for analysis. Total levels of Immunoglobulin A and Immunoglobulin E, Lac+ and Lac- bacteria and Lactobacillus were measured.

Results: The main results indicate that the association between resveratrol and probiotics was able to decrease mice body weight, as compared to the other groups, in addition to decrease the number of Lac- bacteria and increasing the number of Lac+ bacteria. The levels of secretory IgA were also decreased, compared to the animals treated with only probiotics or resveratrol.

Conclusion: We observed potential synergism between Resveratrol and Lactococcus lactis mainly in modulating the stomach and intestinal microbiota.

Keywords: Probiotic, phenolic, immune system, secretory IgA, weight reduction, synergism, microbiome modulation.

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Article Details

VOLUME: 28
ISSUE: 7
Year: 2021
Published on: 09 December, 2020
Page: [761 - 768]
Pages: 8
DOI: 10.2174/0929866527999201209214850
Price: $65

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