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Detection of counterfeit Durateston using Fourier transform infrared spectroscopy and partial least squares : discriminant analysis

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Academic year: 2021

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Figure 1. Different ampoules of counterfeit Durateston ®  compared with  an original ampoule (far left)
Table 1. Number of ampoules and spectra and summary of the analysis  results of the 96 Durateston ®  ampoules analyzed
Figure 3. Representative FTIR spectra of seized Durateston ®  ampoules. (A) OR (good matches for several vegetable oils); (B) TP (good matches for vegetable  oils and esters); (C) BB (good match for benzyl benzoate and furfuryl benzoate); (D) TP-PR (match
Table 1) from seized TP ampoules with vegetable oils or  long-chain esters (21 spectra)
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