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Purification of Flavonolignan Diastereoisomers from Arenaria kansuensis by Two-Dimensional Liquid Chromatography Combined with Solid-Phase Extraction
Cui, Yulei; Shao, Yun; Wang, Qilan; Mei, Lijuan; Tao, Yanduo
2019
发表期刊JOURNAL OF CHROMATOGRAPHIC SCIENCE
卷号57期号:5
摘要Herbal plants are significant for the reason that they have a great potential in discovering drug precursors. However, how to purify compounds with higher purity from them is a question which needs to be discussed. In present study, an offline 2D reversed-phase (RP) preparative liquid chromatography coupled with solid-phase extraction (SPE) method was successfully developed for the separation of flavonolignan diastereoisomers from Arenaria kansuensis. Based on the analysis of results, the major conclusion that we have drawn from it is a RP-SPE was selected for enriching target flavonolignan sample from A. kansuensis. After that, an ODS preparative column was used for 1D preparation, and the target sample (4.6 g) was divided into five fractions with a recovery of 83.9%. Then, a C18HCE preparative column, a polar-modified RP (polar-copolymerized) type, was used for isolating flavonolignan diastereoisomers in the 2D preparation. By establishing optimal 2D chromatography, hydrophilic interaction chromatography (HILIC) columns and normal-phase (NP) columns were tested simultaneously, and the result showed that diastereoisomers are not suitable for HILIC and NP chromatography mode. Our study resulted in a tricin and five analogous derivative flavonolignans with purity >98% were successfully purified from A. kansuensis. This is the initial report of Salcolin C, Salcolin B, Tricin 4'-O-(C-veratroylglycol) ether and 5'-methoxyhydnocarpin D from A. kansuensis. In addition, it tended to be the first time that Tricin 4'-O-(C-veratroylglycol) ether is isolated from natural resource. This method has great potential for efficiently isolating flavonolignan diastereoisomers from A. kansuensis, and it shows a great prospect for the separation of flavonolignans from complex samples.
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/59793
专题中国科学院西北高原生物研究所
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GB/T 7714
Cui, Yulei,Shao, Yun,Wang, Qilan,et al. Purification of Flavonolignan Diastereoisomers from Arenaria kansuensis by Two-Dimensional Liquid Chromatography Combined with Solid-Phase Extraction[J]. JOURNAL OF CHROMATOGRAPHIC SCIENCE,2019,57(5).
APA Cui, Yulei,Shao, Yun,Wang, Qilan,Mei, Lijuan,&Tao, Yanduo.(2019).Purification of Flavonolignan Diastereoisomers from Arenaria kansuensis by Two-Dimensional Liquid Chromatography Combined with Solid-Phase Extraction.JOURNAL OF CHROMATOGRAPHIC SCIENCE,57(5).
MLA Cui, Yulei,et al."Purification of Flavonolignan Diastereoisomers from Arenaria kansuensis by Two-Dimensional Liquid Chromatography Combined with Solid-Phase Extraction".JOURNAL OF CHROMATOGRAPHIC SCIENCE 57.5(2019).
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