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Extraction: Advanced Methods

Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is formed in...

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Updated: May 12, 2026

Microwave-Assisted Extraction of Phenolic Compounds and Antioxidants for Cosmetic Applications Using Polyol-Based Technology

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Published on: August 23, 2024

Alternative extraction methods for Zearalenone: Microwave Assisted Extraction and Accelerated Solvent Extraction.

L Pallaroni¹, E Björklund, C von Holst

¹European Commission, Joint Research Centre, Institute for Health and Consumer Protection, Food Products Unit, I-21020, Ispra (VA), Italy.

Mycotoxin Research

|April 23, 2013

Summary

This summary is machine-generated.

Two novel extraction methods, Microwave Assisted Extraction and Accelerated Solvent Extraction, efficiently isolate zearalenone (ZON) from cereals. These methods offer reliable results comparable to traditional techniques for mycotoxin analysis.

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Employing Pressurized Hot Water Extraction (PHWE) to Explore Natural Products Chemistry in the Undergraduate Laboratory

Published on: November 7, 2018

Area of Science:

Food Chemistry
Analytical Chemistry
Mycotoxicology

Background:

Zearalenone (ZON) is a common mycotoxin found in cereals.
Efficient extraction methods are crucial for accurate ZON detection in food safety.
Optimizing extraction parameters is key to improving analytical performance.

Purpose of the Study:

To evaluate Microwave Assisted Extraction (MAE) and Accelerated Solvent Extraction (ASE) for ZON isolation from wheat and corn.
To optimize extraction parameters including temperature, time, and solvent mixture using a factorial design.
To assess the efficiency and reliability of these methods for ZON determination via LC-MS.

Main Methods:

Extraction of Zearalenone (ZON) from fortified wheat and corn using MAE and ASE.
Application of a factorial design to optimize temperature, time, and solvent composition.
Direct ZON determination by Liquid Chromatography-Mass Spectrometry (LC-MS) without sample clean-up.

Main Results:

Optimized MAE and ASE conditions were established using factorial design.
Both extraction methods yielded satisfactory ZON recovery.
Results obtained were comparable to commonly used extraction techniques, validated on proficiency test samples.

Conclusions:

MAE and ASE are effective and efficient methods for extracting ZON from cereal matrices.
The developed extraction protocols provide reliable results for mycotoxin analysis.
These methods simplify the analytical workflow by eliminating the need for a clean-up step.