3817388095?profile=RESIZE_710xAlthough infrared (IR) spectroscopy is often used as a simple and rapid method to screen for economically motivated adulteration in spices, conventional microscopy remains the reference method. In this research, micro-FTIR imaging, along with PCA (Principle Component Analysis) were used in combination with microscopy to develop a non-targeted method for detecting a broad range of organic and mineral bulking agents that could potentially be used to adulterate black pepper. The method has been validated, and the results are classed as typical or atypical, where the latter indicates a high probablity of adulteration, and is followed up with a multitool investigational approach for the detection and identification of the potential adulterant.

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