Fig. 2: Main effects of within-group differences on milk species identification. | npj Science of Food

Fig. 2: Main effects of within-group differences on milk species identification.

From: Identification of milk from different animal and plant sources by desorption electrospray ionisation high-resolution mass spectrometry (DESI-MS)

Fig. 2

a PCA score plot and b LDA plot of DESI-MS spectral data (m/z 100–20,00) obtained from five milk species (different production procedure and farm location inside each group). c Violin and box plots for the distribution of validation scores. There was no statistical significance among the measurements of all the five milk species (p < 0.01). Symbols indicate outliers, which show the discrete degree of data.

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