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KMID : 0352720190430040654
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Journal of Ginseng Research
2019 Volume.43 No. 4 p.654 ~ p.665
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Metabolomic understanding of intrinsic physiology in Panax ginseng during whole growing seasons
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Lee Hyo-Jung
Jeong Jae-Sik
Alves Alexessander Couto
Han Sung-Tai
In Gyo
Kim Eun-Hee
Jeong Woo-Sik
Hong Young-Shick
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Abstract
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Background: Panax ginseng Meyer has widely been used as a traditional herbal medicine because of its diverse health benefits. Amounts of ginseng compounds, mainly ginsenosides, vary according to seasons, varieties, geographical regions, and age of ginseng plants. However, no study has comprehensively determined perturbations of various metabolites in ginseng plants including roots and leaves as they grow.
Methods: Nuclear magnetic resonance (1H NMR)?based metabolomics was applied to better understand the metabolic physiology of ginseng plants and their association with climate through global profiling of ginseng metabolites in roots and leaves during whole growing periods.
Results: The results revealed that all metabolites including carbohydrates, amino acids, organic acids, and ginsenosides in ginseng roots and leaves were clearly dependent on growing seasons from March to October. In particular, ginsenosides, arginine, sterols, fatty acids, and uracil diphosphate glucose?sugars were markedly synthesized from March until May, together with accelerated sucrose catabolism, possibly associated with climatic changes such as sun exposure time and rainfall.
Conclusion: This study highlights the intrinsic metabolic characteristics of ginseng plants and their associations with climate changes during their growth. It provides important information not only for better understanding of the metabolic phenotype of ginseng but also for quality improvement of ginseng through modification of cultivation.
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KEYWORD
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Metabolic physiology, Metabolomics, NMR, Panax ginseng
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