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  3. Metabolic Differences In Zingiber Officinale Roscoe By Geographical Origin Determined Via Multiplatform Metabolomics And Method For Simultaneous Analysis Of Six Phenolic Compounds.
  1. Home
  3. Metabolic Differences In Zingiber Officinale Roscoe By Geographical Origin Determined Via Multiplatform Metabolomics And Method For Simultaneous Analysis Of Six Phenolic Compounds.

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Metabolic differences in Zingiber officinale Roscoe by geographical origin determined via multiplatform metabolomics

Dahye Yoon1, Bo-Ram Choi1, Hyoung-Geun Kim2

  • 1Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA, Eumseong, Republic of Korea.

Journal of Food Science
|October 10, 2024

View abstract on PubMed

Summary
This summary is machine-generated.
Keywords:
geographical origingingergingerolsmultiplatform metabolomics

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This study used metabolomics to identify unique chemical profiles in ginger from Korea, Peru, and China. These findings aid in distinguishing ginger origins and developing rapid quality control methods.

Area of Science:

  • Metabolomics
  • Analytical Chemistry
  • Plant Science

Background:

  • Ginger (Zingiber officinale Roscoe) is a globally consumed rhizome with distinct taste and aroma profiles influenced by geographical origin.
  • Understanding these origin-specific differences is crucial for quality control and authentication in the ginger industry.

Purpose of the Study:

  • To differentiate ginger origins (Korea, Peru, China) using metabolomic analysis.
  • To investigate the correlations between primary and secondary metabolites in ginger.
  • To develop and optimize a rapid analytical method for ginger quality control.

Main Methods:

  • Metabolomic analysis of ginger extracts from Korea, Peru, and China using ultra-performance liquid chromatography (UPLC) coupled to quadrupole time-of-flight mass spectrometry (QTOF-MS) and nuclear magnetic resonance (NMR) spectroscopy.
  • Correlation analysis of primary metabolites (amino acids, sugars, organic acids) and secondary metabolites (gingerols).
  • Optimization of a simultaneous UPLC analytical method for marker compounds.

    • Main Results:

    • Significant differences in gingerol content were observed: Korean ginger had more 10-gingerol, while Peruvian ginger had higher levels of 6-gingerol and 8-gingerol.
    • Amino acids showed a negative correlation with gingerols, suggesting a role in biosynthesis.
    • Sugars and organic acids positively correlated with gingerols, indicating their involvement in environmental adaptation.
    • An optimized UPLC method demonstrated excellent linearity, sensitivity, and reproducibility for quality control.

    Conclusions:

    • Metabolomic profiling effectively distinguishes ginger based on geographical origin.
    • Metabolite correlations provide insights into ginger's biosynthesis and environmental adaptation.
    • The developed UPLC method offers a simple, rapid, and reliable tool for quality control in the ginger industry.