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Preparative isolation of alisol B and alisol b 23-acetate from alismatis rhizoma by centrifugal partition chromatography coupled with ELSD
- Authors
- Yoon, K.D.; Chin, Y.-W.; Ahn, M.-J.; Kim, J.
- Issue Date
- 2009
- Keywords
- Alisma orientale; Alisol B and alisol B 23-acetate; Centrifugal partition chromatography; Evaporative light scattering detection; Liquid-liquid chromatography
- Citation
- Chromatographia, v.69, no.07월 08일, pp 791 - 793
- Pages
- 3
- Indexed
- SCOPUS
- Journal Title
- Chromatographia
- Volume
- 69
- Number
- 07월 08일
- Start Page
- 791
- End Page
- 793
- ISSN
- 0009-5893
1612-1112
- Abstract
- Centrifugal partition chromatography coupled with evaporative light scattering detection was applied to separate and purify alisol B and alisol B 23-acetate from a chloroform soluble extract of Alisma orientale. The chloroform soluble fraction (870 mg) of A. orientale was separated utilizing a two-phase solvent system composed of n-hexane-ethyl acetate-methanol-water (10:2:10:7, v/v) to give alisol B (37.5 mg) and alisol B 23-acetate (205.3 mg). The purities of the two triterpenoids were determined to be over 98% by LC-ELSD and their structures were elucidated by ESI-MS, 1H NMR and 13C NMR spectroscopy. ? 2009 Vieweg+Teubner / GWV Fachverlage GmbH.
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