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커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Grayanotoxin-contaminated honey exhibits toxicity. In this study, a reliable and sensitive liquid-chromatography-tandem-mass-spectrometric method (LC–MS/MS) was developed and validated for the quantitation of grayanotoxin I and grayanotoxin III in honey. The grayanotoxins were extracted from honey via solid phase extraction and separated on a biphenyl column with a mobile phase consisting of 0.5 % acetic acid in water and methanol. Mass spectrometric detection was performed in the multiple-reaction monitoring mode with positive electrospray ionization. The calibration curve covered the range 0.25 to 100 μg/g. The intra- and inter-day deviations were less than 10.6 %, and the accuracy was between 94.3 and 114.0 %. The validated method was successfully applied to the determination of grayanotoxins in mad honey from Nepal. The concentrations of grayanotoxin I and grayanotoxin III in 33 out of 60 mad honey samples were 0.75- 64.86 μg/g and 0.25 - 63.99 μg/g, respectively. The method established herein would help in preventing and confirming grayanotoxin poisoning.
목차
Abstract
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusions
References
참고문헌 (30)
참고문헌 신청
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Y. Qiang, B. Zhou and K. Gao, Chem. Biodivers., 8(5), 792-815 (2011).
A. Gunduz, S. Turedi, R. M. Russell and F. A. Ayaz, Clin. Toxicol. (Phila.), 46(5), 437-442 (2008).
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J. Wong, E. Youde, B. Dickinson and M. Hale, ‘Report of the Rhododendron feasibility study’, University of Wales, Bangor, Gwynedd, LL57 2UW, UK (2002).
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