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논문 기본 정보

자료유형
학술저널
저자정보
Jong-Su Yoo (Kyung Hee University) Eun-Mi Ahn (Daegu Haany University) Myoung-Chong Song (Kyung Hee University) Myun-Ho Bang (Kyung Hee University) Dong-Hyun Kim (The University of Manchester) Min-Woo Han (Kyung Hee University) Ho-Young Kwak (Kyung Hee University) Dae-Young Lee (Kyung Hee University) Ha-Na Lyu (Kyung Hee University) Nam-In Baek (Kyung Hee University)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 17. no 3
발행연도
2008.6
수록면
573 - 577 (5page)

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초록· 키워드

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<sup>1</sup>H-Nuclear magnetic resonance (NMR) spectrometry was applied to the quantitative analysis of coumarins in the roots of Angelica gigas without any chromatographic purification. The experiment was performed by the analysis of each singlet germinal methyl, which was well separated in the range of 1.0-2.0 ppm in the <sup>1</sup>H-NMR spectrum. The quantity of the compounds was calculated by the ratio of the intensity of each compound to the known amount of internal standard (dimethyl terephthalate). These results were compared with the conventional gas chromatography (GC) method. The contents of decursin and decursinol angelate in A. gigas were determined 1.98±0.07, 1.13±0.08% in quantitative <sup>1</sup>H-NMR method and 2.06±0.24, 1.17±0.24% in GC method, respectively. The advantages of quantitative <sup>1</sup>H-NMR analysis are that can be analyzed to identify and quantify, and no reference compounds required for calibration curves. Besides, it allows rapid and simple quantification for coumarins with an analysis time for only 10 min without any preprocessing.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgments
References

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