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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.10
- 수록면
- 485 - 495 (11page)
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초록· 키워드
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Background: The geographical origin of Panax ginseng Meyer, a valuable medicinal plant, is important to both ginseng producers and consumers in the context of economic profit and human health benefits. We, therefore, aimed to discriminate between the cultivation regions of ginseng using the stable isotope ratios of C, N, O, and S, which are abundant bioelements in living organisms.
Methods: Six Korean ginseng cultivars (3-yr-old roots) were collected from five different regions in Korea. The C, N, O, and S stable isotope ratios in ginseng roots were measured by isotope ratio mass spectrometry, and then these isotope ratio profiles were statistically analyzed using chemometrics.
Results: The various isotope ratios found in P. ginseng roots were significantly influenced by region, cultivar, and the interactions between these two factors (p≤0.001). The variation in δ<SUP>15</SUP>N and δ<SUP>13</SUP>C in ginseng roots was significant for discriminating between different ginseng cultivation regions, and δ<SUP>18</SUP>O and δ<SUP>34</SUP>S were also affected by both altitude and proximity to coastal areas. Chemometric model results tested in this study provided discrimination between the majority of different cultivation regions. Based on the external validation, this chemometric model also showed good model performance (R² = 0.853 and Q² = 0.738).
Conclusion: Our case study elucidates the variation of C, N, O, and S stable isotope ratios in ginseng root depending on cultivation region. Hence, the analysis of stable isotope ratios is a suitable tool for discrimination between the regional origins of ginseng samples from Korea, with potential application to other countries.
Methods: Six Korean ginseng cultivars (3-yr-old roots) were collected from five different regions in Korea. The C, N, O, and S stable isotope ratios in ginseng roots were measured by isotope ratio mass spectrometry, and then these isotope ratio profiles were statistically analyzed using chemometrics.
Results: The various isotope ratios found in P. ginseng roots were significantly influenced by region, cultivar, and the interactions between these two factors (p≤0.001). The variation in δ<SUP>15</SUP>N and δ<SUP>13</SUP>C in ginseng roots was significant for discriminating between different ginseng cultivation regions, and δ<SUP>18</SUP>O and δ<SUP>34</SUP>S were also affected by both altitude and proximity to coastal areas. Chemometric model results tested in this study provided discrimination between the majority of different cultivation regions. Based on the external validation, this chemometric model also showed good model performance (R² = 0.853 and Q² = 0.738).
Conclusion: Our case study elucidates the variation of C, N, O, and S stable isotope ratios in ginseng root depending on cultivation region. Hence, the analysis of stable isotope ratios is a suitable tool for discrimination between the regional origins of ginseng samples from Korea, with potential application to other countries.
목차
abstract
1. Introduction
2. Materials and methods
3. Results and discussion
4. Conclusion
References
참고문헌 (4)
참고문헌 신청
Ill-Min Chung / 2016 / Comparative phenolic compound profiles and antioxidative activity of the fruit, leaves, and roots of Korean ginseng (Panax ginseng Meyer) according to cultivation years / Journal of Ginseng Research 40(1):68~75
진현오 / 2009 / 인삼재배지의 영양환경이 인삼의 생육에 미치는 영향 / Journal of Ginseng Research 33(3):234~239
정일민 / 2017 / Ginseng authenticity testing by measuring carbon, nitrogen, and sulfur stable isotope compositions that differ based on cultivation land and organic fertilizer type / Journal of Ginseng Research 41(2):195~200
송혁환 / 2013 / An approach for simultaneous determination for geographical origins of Korean Panax ginseng by UPLC-QTOF/MS coupled with OPLS-DA models / Journal of Ginseng Research 37(3):341~348
진현오 / 2009 / 인삼재배지의 영양환경이 인삼의 생육에 미치는 영향 / Journal of Ginseng Research 33(3):234~239
정일민 / 2017 / Ginseng authenticity testing by measuring carbon, nitrogen, and sulfur stable isotope compositions that differ based on cultivation land and organic fertilizer type / Journal of Ginseng Research 41(2):195~200
송혁환 / 2013 / An approach for simultaneous determination for geographical origins of Korean Panax ginseng by UPLC-QTOF/MS coupled with OPLS-DA models / Journal of Ginseng Research 37(3):341~348
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