Do, Tiên T K <br/><br/>
Simultaneous Detection of Three Phosphodiesterase Type 5 Inhibitors and Eight of Their Analogs in Lifestyle Products and Screening for Adulterants by High-Performance Thin-Layer Chromatography.  [electronic resource] 

 -  Journal of AOAC International   
 - 1226-33 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1060-3271 
<br/><br/><label>Standard No.: </label>10.5740/jaoacint.14-285  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cacao--chemistry<br/>Capsules<br/>Chewing Gum--analysis<br/>Chromatography, Thin Layer<br/>Coffee--chemistry<br/>Counterfeit Drugs--analysis<br/>Humans<br/>Liquid-Liquid Extraction<br/>Mass Spectrometry<br/>Methanol--chemistry<br/>Phosphodiesterase 5 Inhibitors--isolation & purification<br/>Sildenafil Citrate--analogs & derivatives<br/>Solvents--chemistry<br/>Tablets<br/>Tadalafil--analogs & derivatives<br/>Vardenafil Dihydrochloride--analogs & derivatives