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Related Experiment Video

Updated: May 13, 2026

Transcript and Metabolite Profiling for the Evaluation of Tobacco Tree and Poplar as Feedstock for the Bio-based Industry
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Investigating polycyclic aromatic hydrocarbons profiles in higher plants using statistical models.

O Samuel Sojinu1, O Oluwadayo Sonibare, Ezra Gayawan

  • 1Department of Chemical Sciences, Redeemer's University, Nigeria. sojinuok20000@yahoo.com

International Journal of Phytoremediation
|March 16, 2013
PubMed
Summary

Polycyclic aromatic hydrocarbons (PAHs) in Nigerian plants vary significantly. Plant PAH levels alone do not predict soil contamination due to complex ecological interactions.

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Area of Science:

  • Environmental Chemistry
  • Ecology
  • Analytical Chemistry

Background:

  • Polycyclic aromatic hydrocarbons (PAHs) are prevalent environmental contaminants.
  • Understanding PAH distribution in plants is crucial for ecological risk assessment.
  • The Niger Delta region faces potential PAH contamination from various sources.

Purpose of the Study:

  • To determine the occurrence, distribution, and profiles of 28 polycyclic aromatic hydrocarbons (PAHs) in higher plants.
  • To investigate the relationship between plant and soil PAH concentrations.
  • To identify patterns and clusters of PAH compounds in plants across different sites.

Main Methods:

  • Gas Chromatography/Mass Spectrometry (GC/MS) analysis of 36 plant samples.
  • Nonparametric regression models to assess plant-soil PAH relationships.

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Last Updated: May 13, 2026

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Published on: May 16, 2014

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  • Factor Analysis (FA) and Principal Component Analysis (PCA) for pattern recognition.

    • Main Results:

    • Sigma28PAHs concentrations ranged from 335 to 3094 ng/g.
    • Plant PAH concentration is influenced by the presence of other plants, not solely indicative of soil levels.
    • Woody annuals and perennials showed similar PAH patterns in Oginni and Irri.
    • Naphthalene and 2-methylnaphthalene were identified as outliers across all locations.

    Conclusions:

    • Plant PAH levels are complex and influenced by plant community composition.
    • PAH distribution patterns vary among plant types and locations.
    • Further research is needed to fully elucidate plant-soil PAH dynamics in the Niger Delta.