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Simultaneous GC-MS analysis of melatonin and its precursors as ethoxycarbonyl/pentafluoropropionyl derivatives in rat urine.

Authors
Paik, MJ; Nguyen, DT; Kim, YJ; Shin, JY; Shim, W; Cho, EY; Yoon, JH; Kim, KR; Lee, YS; Kim, N; Park, SW; Lee, G; Ahn, YH
Citation
Chromatographia, 72(11-12):1213-1217, 2010
Journal Title
Chromatographia
ISSN
0009-58931612-1112
Abstract
Melatonin is synthesized from acetylserotonin, which is a deacetylated product of serotoinin. Simultaneous analysis of melatonin and its precursors in rat urine was performed using their (N,O)-ethoxycarbonyl/N-pentafluoropropionyl (EOC/PFP) derivatives by gas chromatography-mass spectrometry (GC-MS). The mass spectral data of acetylserotonin as mono-O-EOC/mono-N-PFP and serotonin as di-(N,O)-EOC/di-N-PFP derivatives were newly established. This method exhibited good linearity (r ≥ 0.996), repeatability (% relative standard deviation = 6.9-9.4), accuracy (% relative error = -8.9 to 8.6) with detection limits of 0.005 to 0.03 ng mL-1. This method was developed for the simultaneous measurement of melatonin and its precursors in rat urine.
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Neurosurgery
Journal Papers > Research Organization > Institute for Neuroregeneration & Stem Cell Research
Journal Papers > School of Medicine / Graduate School of Medicine > Physiology
AJOU Authors
백, 만정이, 광안, 영환
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