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(a) PCA scores and (b) loading plots of the LC-HRMS data of M. chamomilla fractions for both varieties. Encircled in orange are the discriminatory features for the corresponding outlying variable fractions and listed in Table 3. (c) DMod X results to validate true outliers of the model. Variables above the red line are the true outliers, including Fractions ChE 6, 8, 9, 11, and 12.
