Fig. 10
From: NMR-based metabolomics in wine quality control and authentication
PCA score (a) and loading (b) plots derived from the 1H NMR spectra of Meoru wines vinified with S. cerevisiae Côte des Blancs (CDB) strain and Meoru grapes harvested in 2006 and 2007. The boxes inside panel b highlight the changes in GABA and proline levels. 2,3-BD 2,3-butanediol, GABA γ-aminobutyric acid. Reprinted from Ref. [65], Copyright (2009), with permission from Elsevier