halal slaughter (2)

 

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This method has been developed so that it can differentiate between a slaughtering method that conforms with Islamic rights, and therefore can be certified as Halal, and one which does not.. Kosher slaughter and Islamic rights, Zabiha (ZA) slaughtering procedure involves the severing of the poultry's throat with a single stroke of a sharp knife thus cutting a carotid artery, jugular vein, windpipe, and esophagus without injuring the spinal cord. Non-Zabiha (NZ) slaughter may involve completely cutting off the neck of the animal during slaughter, and hence detaching the spinal cord. Liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) based non-targeted metabolomics of chicken meat samples were evaluated to differentiate meat samples based on slaughtering methods. Forty samples were grouped into equal numbers of Zabiha (cutting neck without detaching spinal cord) and Non-Zabiha (completely detaching neck). A volcano plot revealed at least 150 features found significantly different between the two groups having ≥ 2-fold changes in intensities with p-values ≤ 0.05. Among them 5 identified metabolites and 25 unidentified metabolites have clear differences in peak intensities. After chemometric analysis, the 5 metabolites were considered as potentially significant markers to differentiate between the two methods of slaughter.

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