Simultaneous determination of synthetic phosphodiesterase-5 inhibitors found in a dietary supplement and pre-mixed bulk powders for dietary supplements using high-performance liquid chromatography with diode array detection and liquid chromatography-electrospray ionization tandem mass spectrometry

Journal of Chromatography A

Volumn 1104, Issue 1-2, 2006, Pages 113-122

  Zou, Peng ^a   Oh, Sharon Sze Yin ^b   Hou, Peiling ^a   Low, Min Yong ^b   Koh, Hwee Ling ^a  

^a NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

^b HEALTH SCIENCES AUTHORITY   (Singapore)

Author keywords

Acetildenafil; Adulterants; Dietary supplement; Homosildenafil; Hydroxyhomosildenafil; LC ESI MS MS; PDE 5 inhibitor; Sildenafil; Tadalafil; Vardenafil

Indexed keywords

ARRAYS; DIODES; ENZYMES; IONIZATION; LIQUID CHROMATOGRAPHY; MASS SPECTROMETRY; ULTRAVIOLET RADIATION;

ACETILDENAFIL; ADULTERANTS; DIETARY SUPPLEMENT; HOMOSILDENAFIL; HYDROXYHOMOSILDENAFIL; LC-ESI-MS/MS; PDE-5 INHIBITOR; SILDENAFIL; TADALAFIL; VARDENAFIL;

ENZYME KINETICS;

ACETILDENAFIL; HOMOSILDENAFIL; HYDROXYHOMOSILDENAFIL; PHOSPHODIESTERASE V INHIBITOR; SILDENAFIL; TADALAFIL; UNCLASSIFIED DRUG; VARDENAFIL;

ACCURACY; ARTICLE; DIET SUPPLEMENTATION; DIODE; DRUG DETERMINATION; DRUG FORMULATION; DRUG IDENTIFICATION; DRUG SCREENING; DRUG SENSITIVITY; DRUG STRUCTURE; ELECTROSPRAY MASS SPECTROMETRY; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; MICROCAPSULE; POWDER; PRIORITY JOURNAL; ULTRAVIOLET RADIATION;

3',5'-CYCLIC-GMP PHOSPHODIESTERASE; CHROMATOGRAPHY, HIGH PRESSURE LIQUID; DIETARY SUPPLEMENTS; PHOSPHODIESTERASE INHIBITORS; PHOSPHORIC DIESTER HYDROLASES; POWDERS; REFERENCE STANDARDS; SPECTROMETRY, MASS, ELECTROSPRAY IONIZATION; SPECTROPHOTOMETRY, ULTRAVIOLET;

EID: 30744464832     PISSN: 00219673     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.chroma.2005.11.103     Document Type: Article

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