Emerging perspectives on analytical techniques and machine learning for food metabolomics in the era of industry 4.0: a systematic review

H NMR, integrating metabolomics with other omics technologies, and fostering data sharing to build comprehensive reference libraries. This review aims to provide a comprehensive and critical overview of the current advancements and future potentials of analytical techniques and machine learning in food metabolomics, aligning with the goals of Industry 4.0.