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Liquid sample extraction techniques are essential in food toxicology for isolating and concentrating toxicants from complex food matrices prior to qualitative and quantitative analysis. Food samples often contain proteins, fats, carbohydrates, pigments, and other interfering substances that may hinder accurate detection of toxic compounds such as pesticide residues, mycotoxins, veterinary drug residues, heavy metals in soluble form, food additives, and environmental contaminants. Efficient extraction ensures reliable analytical results and safeguards public health. Liquid–liquid extraction (LLE) is one of the most traditional and widely used techniques. It is based on the differential partitioning of a toxicant between two ____ _____ ___ _____ _______ ______ ________.
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