Nontargeted metabolomics of Korean and Chinese Platycodon grandiflorum using GC-TOF-MS: geographical-origin discrimination and metabolic pathway analysis via chemometrics.
A nontargeted metabolomics approach based on gas chromatography-time-of-flight mass spectrometry and multivariate chemometrics was combined with multivariate chemometrics to differentiate P. grandiflorum roots from Korea and China, providing a promising exploratory approach for geographical-origin discrimination of P....