Fig. 2From: Symphytum ibericum Steven: LC–HRMS/MS-based phytochemical profile, in vitro antioxidant and enzyme inhibitory potentialExploratory principal component analysis (PCA) of S. ibericum leaf and root extracts. A Eigenvalues and percentages of explained variances of each dimension. B Contribution of variables to the dimensions of PCA. C Scatter plot showing the distribution of the samples in the three retained dimensionsBack to article page