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. 2017 Jun 19;7:3777. doi: 10.1038/s41598-017-03716-7

Figure 2.

Figure 2

Orthogonal partial least squares modeling applied to 1H-NMR data and potentiating activity of Cytisus striatus samples (Fig. 2). OPLS score- and S-plots obtained from the potentiating activity (1: indifferent Inline graphic, 2: additive Inline graphic and 3: potentiation effect Inline graphic) and 1H-NMR data in the range of the region between δ 6.00 and 8.60 of the different classes of potentiating activity of extracts of C. striatus on ciprofloxacin (a) and erythromycin (b). The sample preparation and extraction conditions were performed as shown in Supplementary Table 2.