Chitosan Film as a Replacement for Conventional Sulphur Dioxide Treatment of White Wines: A ¹H NMR Metabolomic Study.

The corresponding PLS-DA scores scatter plot ( Figure 3 b) confirms these observations, whereas the pairwise PLS-DA model comparing the effects of 100 cm 2 Ch-Ge films and of SO 2 addition ( Figure 3 c) demonstrates a group separation with highly significant statistical robustness (predictive ability Q 2 of 0.96).

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