Journal
JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES
Volume 36, Issue 20, Pages 2895-2904Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10826076.2012.731668
Keywords
Forsythia suspensa; forsythoside A; HSCCC; isolation; purification; suspensaside A
Funding
- International Scientific and Technological Cooperation Program of China [2009DFA31230]
- Industry-University-Research Cooperation Program from Science and Technology Department of Guangdong Province [2010B090400533]
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Forsythoside A and suspensaside A were isolated and purified from Forsythia suspensa by one step of high-speed counter-current chromatography for the first time using a solvent system of ethyl acetate-n-butanol-methanol-water (4:0.5:0.5:5, v/v). The purities of the two compounds were 98.19% and 98.05%, respectively, as determined by HPLC. Their structures were identified by MS, UV, and NMR analysis. Such a simple and effective method was fairly useful to prepare pure compounds as reference substances for related study on Forsythia suspensa.
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