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Items: 1 to 20 of 188

1.

Concentrations of ephedra alkaloids and caffeine in commercial dietary supplements.

Haller CA, Duan M, Benowitz NL, Jacob P 3rd.

J Anal Toxicol. 2004 Apr;28(3):145-51.

2.

Determination of ephedra alkaloid and caffeine concentrations in dietary supplements and biological fluids.

Jacob P 3rd, Haller CA, Duan M, Yu L, Peng M, Benowitz NL.

J Anal Toxicol. 2004 Apr;28(3):152-9.

3.

Content versus label claims in ephedra-containing dietary supplements.

Gurley BJ, Gardner SF, Hubbard MA.

Am J Health Syst Pharm. 2000 May 15;57(10):963-9.

PMID:
10832496
5.

Analysis of ephedra-free labeled dietary supplements sold in the San Francisco Bay area in 2003.

Tam JW, Dennehy CE, Ko R, Tsourounis C.

J Herb Pharmacother. 2006;6(2):1-19.

PMID:
17182481
6.

Chiral gas chromatographic determination of ephedrine-type alkaloids in dietary supplements containing Má Huáng.

Betz JM, Gay ML, Mossoba MM, Adams S, Portz BS.

J AOAC Int. 1997 Mar-Apr;80(2):303-15.

PMID:
9086588
8.
10.

Composition and stereochemistry of ephedrine alkaloids accumulation in Ephedra sinica Stapf.

Krizevski R, Bar E, Shalit O, Sitrit Y, Ben-Shabat S, Lewinsohn E.

Phytochemistry. 2010 Jun;71(8-9):895-903. doi: 10.1016/j.phytochem.2010.03.019. Epub 2010 Apr 24.

PMID:
20417943
11.

A rapid and simple procedure for the determination of ephedrine alkaloids in dietary supplements by gas chromatography-mass spectrometry.

Marchei E, Pellegrini M, Pacifici R, Zuccaro P, Pichini S.

J Pharm Biomed Anal. 2006 Aug 28;41(5):1633-41. Epub 2006 Mar 31.

PMID:
16580167
12.

Rapid selective screening and determination of ephedrine alkaloids using GC-MS footnote mark.

Ranieri TL, Ciolino LA.

Phytochem Anal. 2008 Mar-Apr;19(2):127-35.

PMID:
17879230
13.

Pharmacology of ephedra alkaloids and caffeine after single-dose dietary supplement use.

Haller CA, Jacob P 3rd, Benowitz NL.

Clin Pharmacol Ther. 2002 Jun;71(6):421-32.

PMID:
12087345
14.

[Quality evaluation of twelve species of Chinese Ephedra (ma huang)].

Zhang JS, Tian Z, Lou ZC.

Yao Xue Xue Bao. 1989;24(11):865-71. Chinese.

PMID:
2618686
15.

Investigation of quality in ephedrine-containing dietary supplements.

Baker JI, Zhang X, Boucher TA, Keyler DE.

J Herb Pharmacother. 2003;3(2):5-17.

PMID:
15277061
16.
17.

[Determination of six Ephedra alkaloids in Chinese Ephedra (Ma Huang) by gas chromatography].

Cui JF, Niu CQ, Zhang JS.

Yao Xue Xue Bao. 1991;26(11):852-7. Chinese.

PMID:
1823980
18.

The role of chemical fingerprinting: application to Ephedra.

Schaneberg BT, Crockett S, Bedir E, Khan IA.

Phytochemistry. 2003 Mar;62(6):911-8.

PMID:
12590118
19.
20.

Determination of ephedrine alkaloids in dietary supplement standard reference materials.

Sander LC, Sharpless KE, Satterfield MB, Ihara T, Phinney KW, Yen JH, Wise SA, Gay ML, Lam JW, McCooeye M, Gardner G, Fraser C, Sturgeon R, Roman M.

Anal Chem. 2005 May 15;77(10):3101-12.

PMID:
15889898
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