This review covers recent applications of metabolomic techniques to identify non-Halal components in a food or pharmaceutical products. Examples include the detection of pig meat and the differentiation of chicken meat that is Zabiha (slaughtered by cutting the neck without detaching the spinal cord) from non-Zabiha (completely detaching the neck). The paper highlights chemometric methods using data generated from small biological molecules (< 1500 kDA) measured by spectroscopic or chromatographic methods. The authors conclude that metabolomics is a valuable tool in authenticating Halal products.
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