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Separation and purification of two new and two known alkaloids from leaves of Nitraria sibirica by pH-zone-refining counter-current chromatography
Bakri, M (Bakri, Mahinur); Chen, QB (Chen, Qibin); Ma, QL (Ma, Qingling); Yang, Y (Yang, Yi); Abdukadir, A (Abdukadir, Abdumijit); Aisa, HA (Aisa, Haji Akber)
2015
Source PublicationJOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES
ISSN1570-0232
Volume1006Issue:12Pages:138-145
Abstract

The total alkaloids from Nitraria sibirica leaves have been confirmed to exhibit significant protective effects against inflammatory renal injury, hypertension and albuminuria in angiotensin II-salt hypertension. In the present study, a separation method of pH-zone-refining counter-current chromatography was established for separation of the alkaloids from N. sibirica. The separation was performed with a solvent system of MtBE-n-BuOH-H2O (2:2:5, viv) at a flow rate of 2.0 mL/min. And 15 mM triethylamine (TEA) was added to the upper organic phase, while 10mM hydrochloric acid was added to the lower aqueous phase. As a result, a new alkaloid, schobemine (5.6 mg), and a known alkaloid, nitraramine (5.0 mg), together with fractions A and B were obtained from the total alkaloids of N. sibirica. The fractions A and B were further purified by means of pH-zone-refining counter-current chromatography with solvent systems of n-hexane-n-BuOH-H2O (1.5:3.5:5, v/v) and (2:3:5, v/v), respectively. TEA (10 mM) was added to the upper phase, and 10mM of HCl was added to the lower phase in above two solvent systems, respectively. As a result, a known alkaloid, schoberidine (5.0 mg), and a new alkaloid, schoberimine (3.0 mg) were obtained from fractions A and B, respectively. The purities of the compounds were measured by HPLC-ELSD, and their structures were identified by ESI-MS, 1D and 2D NMR.

KeywordPh-zone-refining Counter-current Chromatography Separation And Purification Alkaloids Novel Compounds
DOI10.1016/j.jchromb.2015.10.038
Indexed BySCI
WOS IDWOS:000366077900017
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5128
Collection省部共建新疆特有药用资源利用重点实验室
资源化学研究室
Corresponding AuthorAisa, HA (Aisa, Haji Akber)
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Plant Resources & Chem Arid Reg, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Xinjiang Indigenous Med Plants Resource U, Urumqi 830011, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Bakri, M ,Chen, QB ,Ma, QL ,et al. Separation and purification of two new and two known alkaloids from leaves of Nitraria sibirica by pH-zone-refining counter-current chromatography[J]. JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES,2015,1006(12):138-145.
APA Bakri, M ,Chen, QB ,Ma, QL ,Yang, Y ,Abdukadir, A ,&Aisa, HA .(2015).Separation and purification of two new and two known alkaloids from leaves of Nitraria sibirica by pH-zone-refining counter-current chromatography.JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES,1006(12),138-145.
MLA Bakri, M ,et al."Separation and purification of two new and two known alkaloids from leaves of Nitraria sibirica by pH-zone-refining counter-current chromatography".JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES 1006.12(2015):138-145.
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