Fig. 2From: Tracking the effect of roasting and fermentation on the metabolites of licorice root (Glycyrrhiza glabra L.) using UPLC-MS analysis combined with multivariate statistical analysisUnsupervised self-organizing map (SOM) of the tested licorice samples (A). Orthogonal Projections to Latent Structures Discriminant Analysis (OPLS-DA) score scatter plot (B)Back to article page