Effects of high oleic acid peanuts on mice’s liver and adipose tissue metabolic parameters and gut microbiota composition

Sarit Anavi-Cohen*, Nina Tsybina-Shimshilashvili, Gil Zandani, Ran Hovav, Noa Sela, Abraham Nyska, Zecharia Madar*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

This study aimed to investigate the effects of two types of peanuts, regular Hanoch (HN) and a new high-oleic cultivar., Hanoch-Oleic (HO), on metabolic parameters and gut microbiota composition. Male C57BL/6 mice were fed with a normal diet (ND) or ND supplemented with HN (NDh) or HO (NDo). Following 18 weeks of diet regimen, the NDo group exhibited reduced body weight and peri-gonadal adipose-to-body weight ratio, paralleled to lesser food consumption. Although blood levels of total cholesterol, HDL-cholesterol, free fatty acids, and liver enzyme levels did not differ between groups, decreased insulin sensitivity was found in the NDh group. Within adipose tissue, the expression of lipolytic and lipogenic enzymes was higher, while those related to lipid oxidation were lower in the NDh group compared to the NDo group. Additionally, HO peanuts consumption promoted the establishment of a healthy microbiota, with an enhanced abundance of Bifidobacterium, Lactobacillus, and Coprococcus genera. In conclusion, the inclusion of the HO peanut cultivar., rather than the conventional peanut cultivar., in a balanced diet was related to better metabolic outcomes and was linked to a favorable microbiota profile.

Original languageEnglish
Article number1205377
JournalFrontiers in Nutrition
Volume10
DOIs
StatePublished - 2023

Bibliographical note

Publisher Copyright:
Copyright © 2023 Anavi-Cohen, Tsybina-Shimshilashvili, Zandani, Hovav, Sela, Nyska and Madar.

Keywords

  • adipose-tissue
  • gut microbiota
  • liver
  • oleic acid
  • peanuts

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