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. 2019 Jan 9;14(1):e0208906. doi: 10.1371/journal.pone.0208906

Fig 3.

Fig 3

Plot of cases (a) and variables (b) obtained by PCA elaboration of the total volatile molecules characterising control and test Squacquerone cheeses in relation to the refrigerated storage time (1, 4, 6, 13 days). CC1: control cheese after 1 day of storage; CC4: control cheese after 4 days of storage; CC6: control cheese after 6 days of storage; CC13: control cheese after 13 days of storage; PC1: Test cheese after 1 day of storage; PC4: Test cheese after 4 days of storage; PC6: Test cheese after 6 days of storage; PC13: Test cheese after 13 days of storage.