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. 2017 Aug 11;22(8):1336. doi: 10.3390/molecules22081336

Figure 1.

Figure 1

Principal Component Analysis of the cytotoxic effect of Pistacia essential oils on LoVo cells. (A) PCA biplot with PC1 and PC2 distribution of essential oil samples and chemical components of the phytocomplexes. (B) PCA biplot with PC3 and PC4 distribution of essential oil samples and chemical components of the phytocomplexes. Clusters of cooperating compounds with a positive correlation to one or two components are identified with circles (green for P. lentiscus, yellow for P. integerrima, and blue for P. terebinthus).