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Agricultural industry

Advancements in Solid-Phase Microextraction Techniques for Accurate Food Pesticide Analysis

Strategic Insights

— 2 min read

Researchers from the Manipal Academy of Higher Education have published a review on recent advancements in solid-phase microextraction (SPME) techniques for the estimation of pesticides in food matrices. The study aimed to address the limitations of conventional SPME methods, including the use of a large quantity of solvents and prolonged sample preparation time. The research highlighted the potential of thin-film solid-phase microextraction (TF-SPME) as a robust analytical tool for the analysis of volatile, semi-volatile, and non-volatile pesticides.

Key Takeaways:

  • The frequent use of pesticides in agricultural practices and food processing has increased the risk of health-associated diseases, along with negative impacts on the environment, with a significant concern being the extensive use of pesticides in the agricultural sector.
  • The development of various sample preparation techniques, including liquid-liquid extraction, solid-phase extraction, and QuEChERS, has been hindered by the use of a large quantity of solvents and prolonged sample preparation time.
  • The emergence of solid-phase microextraction (SPME) as a solvent-free, potential enrichment technique for the analysis of a wide range of pesticides from fruits and vegetables has been recognized in recent years.
  • The limited surface area and fragile geometry of regular SPME fibers have restricted their widespread application for regular food quality inspection.
  • The integration of thin-film solid-phase microextraction (TF-SPME) with several mass spectrometry-based methods has been well established, offering improved extraction efficiency compared to regular SPME fibers.
  • The cost of commercial microextraction patches has limited the further application of TF-SPME for monitoring food pesticides as per regulatory standards.
  • The research highlighted the need for the development of cost-effective, efficient, and robust analytical tools for the accurate analysis of pesticides in food matrices.
  • The authors proposed the directions for future research in this area, including the need for more efficient microextraction techniques and the integration of advanced analytical tools for the estimation of multi-residue pesticides in food matrices.

Statistics:

  • A large quantity of solvents is used in conventional SPME methods, which can be environmentally hazardous and economically costly (Source: Manipal Academy of Higher Education).
  • The sample preparation time in conventional SPME methods can be prolonged, up to several hours, which limits their application for regular food quality inspection (Source: Manipal Academy of Higher Education).
  • The surface area of regular SPME fibers is limited, which restricts their widespread application for regular food quality inspection (Source: Manipal Academy of Higher Education).
  • TF-SPME offers improved extraction efficiency compared to regular SPME fibers (Source: Manipal Academy of Higher Education).
  • The cost of commercial microextraction patches for TF-SPME is a significant limitation for its further application in monitoring food pesticides as per regulatory standards (Source: Manipal Academy of Higher Education).

Sources:

  • Current Advances In Solid-phase Microextraction Techniques for the Estimation of Pesticides From Fruits and Vegetables. Microchemical Journal, 2025;215.
  • Manipal Academy of Higher Education, Dept. of Biotechnologies, Manipal Institute of Technology, Manipal 576104, Karnataka, India.
  • Ankita Das, Malavika Thiruvenkatakumar, Harshika Poojary, Keerthana Selvamuthukumar, and Sophia Koo.
  • NewsRx. Reports Summarize Food and Farming Findings from Manipal Academy of Higher Education (Current Advances In Solid-phase Microextraction Techniques for the Estimation of Pesticides From Fruits and Vegetables). Food Weekly News. August 7, 2025; p 192.

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