Determination of the Geographical Origin of L. by H NMR Spectroscopy.

Food authenticity concerning the geographical origin becomes increasingly important for consumers, food industries, and food authorities. In this study, H NMR metabolomics combined with machine learning methodologies was applied to successfully distinguish the geographical origin of 237 samples of white asparagus from Germany, Poland, The Netherlands, Spain, Greece, and Peru. Support vector classification of the geographical origin achieved an accuracy of 91.