Detection of dehydroepiandrosterone and androsterone in a traditional Chinese herbal product
Authors: Zou, Peng1; Chen, Ping2; Oh, Sharon Sze-Yin3; Kiang, Kin-Har3; Low, Min-Yong3
Source: Food Additives and Contaminants, Volume 24, Number 12, December 2007 , pp. 1326-1333(8)
Publisher: Taylor and Francis Ltd
Abstract:
Dehydroepiandrosterone (DHEA) and androsterone (ADT) were detected in a traditional Chinese herbal product by gas chromatography-mass spectrometry (GC-MS) and liquid chromatography tandem mass spectrometry (LC-MS/MS). DHEA and ADT were tentatively identified by comparing their electron ionization (EI) mass spectra with those in the GC-MS Wiley database. A multiple reaction monitoring (MRM) scan was performed in LC-MS/MS to confirm the presence of the DHEA and ADT in the herbal product extract. Both the [M + H]+ and the [M + NH4]+ of DHEA and ADT were selected as the precursor ions. DHEA was detected with ion transitions m/z 306.4 → 271.2, 306.4 → 253.3, 289.2 → 270.9, 289.3 → 253.1 while ADT was detected with ion transitions m/z 308.5 → 273.6, 308.5 → 255.3, 291.5 → 273.5, 291.5 → 255.2, which confirmed the presence of the two steroid hormones in the herbal product. Limits of detection (LODs) of 0.2 µg ml-1 for DHEA and 0.3 µg ml-1 for ADT were found in methanolic standard solutions when [M + NH4]+ of DHEA and ADT were selected as the precursor ions, which allowed the detection of DHEA and ADT at trace level without time-consuming derivatization.Keywords: Dehydroepiandrosterone; androsterone; herbal product; gas chromatography-mass spectrometry (GC-MS); liquid chromatography tandem mass spectrometry (LC
Document Type: Research article
DOI: 10.1080/02652030701422473
Affiliations: 1: Centre for Analytical Science, Health Sciences Authority, 11 Outram Road, Singapore 169078,Division of Pharmaceutics, College of Pharmacy Ohio State University, Columbus, OH 43210, USA 2: Division of Pharmaceutics, College of Pharmacy Ohio State University, Columbus, OH 43210, USA 3: Centre for Analytical Science, Health Sciences Authority, 11 Outram Road, Singapore 169078

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