Determination of Ephedrine-Type Alkaloids in Dietary Supplements by LC/MS Using a Stable-Isotope Labeled Internal Standard

By Gay Martha L.   White Kevin D.   Obermeyer William R.   Betz Joseph M.   Musser Steven M.  

Journal of AOAC International, Vol. 84, Iss. 3, 2001-05 ,pp. : 761-769

AOAC International

Access to resources Recommend Favorite

Determination of Aristolochic Acid I in Botanicals and Dietary Supplements Potentially Contaminated with Aristolochic Acid I Using LC-UV with Confirmation by LC/MS: Collaborative Study

By Sorenson Wendy R   Sullivan Darryl  

Journal of AOAC International, Vol. 90, Iss. 4, 2007-07 ,pp. : 925-933

AOAC International

Access to resources Recommend Favorite

Structure Elucidation of a Novel Analog of Sildenafil Detected as an Adulterant in a Dietary Supplement Using LC-UV and LC/MS

By Sakamoto Miho   Moriyasu Takako   Minowa Keiko   Kishimoto Kiyoko   Kadoi Hideo   Hamano Tomoko   Fukaya Haruhiko  

Journal of AOAC International, Vol. 95, Iss. 4, 2012-07 ,pp. : 1048-1052

AOAC International

Access to resources Recommend Favorite

Characterization and Quantitation of Yohimbine and Its Analogs in Botanicals and Dietary Supplements Using LC/QTOF-MS and LC/QQQ-MS for Determination of the Presence of Bark Extract and Yohimbine Adulteration

By Lucas Derick   Neal-Kababick James   Zweigenbaum Jerry  

Journal of AOAC International, Vol. 98, Iss. 2, 2015-03 ,pp. : 330-335

AOAC International

Access to resources Recommend Favorite

Single-Laboratory Validation of a Method for the Determination of Vitamin D₃ in Dietary Supplements by Liquid Chromatography with Tandem Mass Spectrometry (LC-MS/MS)

By Lam Victor K.M.   Hung Ray C.T.   Wong Ella L.M.   Fok Johnny Y.W.   Wong Yiu-Chung  

Journal of AOAC International, Vol. 97, Iss. 2, 2014-03 ,pp. : 403-408

AOAC International

Access to resources Recommend Favorite