MS-Based Metabolite Profiling of Aboveground and Root Components of Zingiber mioga and OfficinaleReportar como inadecuado




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Department of Bioscience and Biotechnology, Kon-Kuk University, Seoul 143-701, Korea





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Academic Editor: Derek J. McPhee

Abstract Zingiber species are members of the Zingiberaceae family, and are widely used for medicinal and food purposes. In this study aboveground and root parts of Zingiber mioga and Zingiber officinale were subjected to metabolite profiling by ultra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry UPLC-Q-TOF-MS and gas chromatography time-of-flight mass spectrometry GC-TOF-MS in order to characterize them by species and parts and also to measure bioactivities. Both primary and secondary metabolites showed clear discrimination in the PCA score plot and PLS-DA by species and parts. Tetrahydrocurcumin, diarylheptanoid, 8-gingerol, and 8-paradol were discriminating metabolites between Z. mioga and Z. officinale that were present in different quantities. Eleven flavonoids, six amino acids, six organic acids, four fatty acids, and gingerenone A were higher in the aboveground parts than the root parts. Antioxidant activities were measured and were highest in the root part of Z. officinale. The relatively high contents of tetrahydrocurcumin, diarylheptanoid, and galanganol C in the root part of Z. officinale showed highly positive correlation with bioactivities based on correlation assay. On the basis of these results, we can suggest different usages of structurally different parts of Zingiber species as food plants. View Full-Text

Keywords: Zingiber mioga; Zingiber officinale; antioxidant activity; Zingiberaceae; metabolomics; UPLC-Q-TOF-MS; GC-TOF-MS Zingiber mioga; Zingiber officinale; antioxidant activity; Zingiberaceae; metabolomics; UPLC-Q-TOF-MS; GC-TOF-MS





Autor: Ji Soo Han, Sunmin Lee, Hyang Yeon Kim and Choong Hwan Lee *

Fuente: http://mdpi.com/



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