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논문 기본 정보

자료유형
학술저널
저자정보
Ying Zhou (Jilin University) Zhenming Yang (Jilin University) Lingling Gao (Jilin University) Wen Liu (Jilin University) Rongkun Liu (Jilin University) Junting Zhao (Jilin University) Jiangfeng You (Jilin University)
저널정보
고려인삼학회 Journal of Ginseng Research Journal of Ginseng Research Vol.41 No.3
발행연도
2017.7
수록면
307 - 315 (9page)

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초록· 키워드

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Background: Red-skin root disease has seriously decreased the quality and production of Panax ginseng (ginseng).
Methods: To explore the disease’s origin, comparative analysis was performed in different parts of the plant, particularly the epidermis, cortex, and/or fibrous roots of 5-yr-old healthy and diseased red-skin ginseng. The inorganic element composition, phenolic compound concentration, reactive oxidation system, antioxidant concentrations such as ascorbate and glutathione, activities of enzymes related to phenolic metabolism and oxidation, and antioxidative system particularly the ascorbateeglutathione cycle were examined using conventional methods.
Results: Aluminum (Al), iron (Fe), magnesium, and phosphorus were increased, whereas manganese was unchanged and calcium was decreased in the epidermis and fibrous root of red-skin ginseng, which also contained higher levels of phenolic compounds, higher activities of the phenolic compound-synthesizing enzyme phenylalanine ammonia-lyase and the phenolic compound oxidation-related enzymes guaiacol peroxidase and polyphenoloxidase. As the substrate of guaiacol peroxidase, higher levels of H₂O₂ and correspondingly higher activities of superoxide dismutase and catalase were found in red-skin ginseng. Increased levels of ascorbate and glutathione; increased activities of L-galactose 1-dehydrogenase, ascorbate peroxidase, ascorbic acid oxidase, and glutathione reductase; and lower activities of dehydroascorbate reductase, monodehydroascorbate reductase, and glutathione peroxidase were found in red-skin ginseng. Glutathione-S-transferase activity remained constant.
Conclusion: Hence, higher element accumulation, particularly Al and Fe, activated multiple enzymes related to accumulation of phenolic compounds and their oxidation. This might contribute to red-skin symptoms in ginseng. It is proposed that antioxidant and antioxidative enzymes, especially those involved in ascorbateeglutathione cycles, are activated to protect against phenolic compound oxidation.
#ascorbate #Panax ginseng #phenolic compounds #red-skin ginseng disease

목차

ABSTRACT
1. Introduction
2. Materials and methods
3. Results
4. Discussion
References

참고문헌 (53)

참고문헌 신청
[학술지(정기간행물)] - Hu SY / 1977 / A contribution to our knowledge of ginseng / Am J Chin Med 5 : 1 ~ 23 google schola [학술지(정기간행물)] - Baranov A / 1966 / Recent advances in our knowledge of the morphology, cultivation and uses of ginseng (Panax ginseng C.A. Meyer) / Econ Bot 20 : 403 ~ 406 google schola [학술지(정기간행물)] - Evans BL / 1985 / Ginseng : root of ChineseeCanadian relations / Can Hist Rev 66 : 1 ~ 26 google schola [학술지(정기간행물)] - Wang YQ / 1963 / A preliminary study on cause of ginseng red skin disease in the second ginseng farm of Jinyu county / Spec Wild Econ Anim Plant Res 2 : 9 ~ 15 google schola [학술지(정기간행물)] - Zhang YC / 1984 / An investigation of cause and protective method of ginseng red skin disease / Spec Wild Econ Anim Plant Res 1 : 21 ~ 24 google schola

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