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. 2018 Sep 19;9:2184. doi: 10.3389/fmicb.2018.02184

FIGURE 8.

FIGURE 8

Simple score plot of principal components PC1 vs. PC2 for an FTIR spectrum of Trifolium pratense plant matter after different times (hours) of in vitro rumen incubation. Please note that 24 h data are not shown they were clear outliers which skewed the plot.