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Journal of Liquid Chromatography & Related Technologies Volume 28, 2005 - Issue 4
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Original Articles

Use of Solid‐Phase Extraction for Improving HPLC Assays of Triterpene Glycosides in Gotu Kola (Centella asiatica), Parthenolide in Feverfew (Tanacetum parthenium), and Valerenic Acids in Valerian (Valeriana officinalis)

Gary W. Schieffer Graham Development, Inc., Oneonta, New York, USA; 299 Sherburne Four Corners Road, Smyrna, NY, 13464, USACorrespondence[email protected]
Pages 581-592 | Received 08 Sep 2004, Accepted 10 Oct 2004, Published online: 07 Sep 2017

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