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Metabolomic fingerprinting of saffron by LC/MS: novel authenticity markers

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Academic year: 2020

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Table 1. Total  number  of possible  components  (molecular  features)  present  in  an authentic  and other  suspicious  saffron  samples  obtained  by MFE software  when  different  extraction  solvents  for  sample  preparation  and different  chromatog
Figure 1.  PCA score plot obtained in positive (A) and negative (B) ionization mode data from saffron  metabolic profiles obtained for authentic samples,  samples suspected of adulteration, and QC samples
Figure  2.  Score  plot  for  a  PLS-DA  model  built  with  the  whole  data  of  saffron  metabolic  profiles  obtained for authentic samples and samples suspected of adulteration with prediction for QC samples.
Figure  3.  OPLS-DA  score  plot  of  saffron  metabolic  profiles  obtained  for:  (A)  authentic  samples  and  samples  suspected of adulteration, and (B) authentic saffron samples from  Spain and Iran
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