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Updated: Jun 21, 2026

Assessing Hepatic Metabolic Changes During Progressive Colonization of Germ-free Mouse by 1H NMR Spectroscopy

Assessing Hepatic Metabolic Changes During Progressive Colonization of Germ-free Mouse by 1H NMR Spectroscopy

Published on: December 15, 2011

Rat Fecal Metabolomics-Based Analysis.

Olga Deda^1,2, Helen G Gika^1,2, Georgios Theodoridis^2,3,4

¹School of Medicine, Aristotle University Thessaloniki, Thessaloniki, Greece.

Methods in Molecular Biology (Clifton, N.J.)

|January 15, 2025

Summary

This summary is machine-generated.

Fecal metabolomics analyzes the gut microbiome

Keywords:

Fecal extract Fecal samples GC-MS Gut microbiome Gut microbiota LC-MS/MS Metabolic profiling Metabolites Metabolome Metabolomics Metabonomics NMR Rats Sample preparation

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Area of Science:

Microbiology
Metabolomics
Human Health

Background:

The gut microbiome acts as a metabolic organ, producing molecules that influence host health.
Microbial balance shifts with physiological and pathological factors.
Fecal metabolomics is key to understanding gut biochemistry and host-microbe interactions.

Purpose of the Study:

To highlight the importance of fecal metabolomics in studying the gut microbiome's role in health and disease.
To discuss the factors influencing metabolite extraction from fecal samples.

Main Methods:

Analysis of fecal samples using techniques like NMR spectroscopy, GC-MS, and LC-MS/MS.
Exploration of the gut microbiome's metabolic output through metabolic profiling.
Utilizing rat fecal samples as a model for metabolomics studies.

Main Results:

Fecal metabolomics provides insights into digestion, absorption, and the host-microbe symbiotic relationship.
Optimal metabolite extraction depends on factors like sample-to-solvent ratio, solvent properties, and homogenization.
Metabolic fingerprints are crucial for both untargeted and targeted metabolomics.

Conclusions:

Fecal metabolomics is an essential tool for understanding the gut microbiome's impact on human health.
Careful sample handling and extraction are critical for reliable metabolomics data.
Further research into gut microbiome metabolism can reveal new insights into health and disease.