5 Key Takeaways

• 1

  Dietary intervention and probiotic supplementation lead to detectable changes in the human fecal volatilome.

• 2

  The study utilized comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry for analysis.

• 3

  Around 1000 features were reproducibly detected per sample, with approximately 270 VOCs annotated.

• 4

  The analysis expanded the catalog of known human fecal volatiles by roughly 20 percent.

• 5

  The approach supports biomarker discovery and gut metabolic response investigations in personalized nutrition research.