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Target-guided isolation of polar antioxidants from Abelmoschus esculentus (L). Moench by high-speed counter-current chromatography method coupled with wavelength switching and extrusion elution mode
Wang, RH; Liu, Q; Wu, ZL; Wang, ML; Chen, XQ; Chen, XQ (reprint author), Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China.
2016
Source PublicationJOURNAL OF SEPARATION SCIENCE
ISSN1615-9306
Volume39Issue:20Pages:3983-3989
Subtype期刊论文
AbstractAn off-line two-dimensional high-speed counter-current chromatography strategy combined with the wavelength switching technique and extrusion elution mode was successfully developed and applied to the isolation of polar antioxidants from Abelmoschus esculentus (L). Moench. Target-guided by the result of 2,2-diphenyl-1-picrylhydrazyl screening assay, four antioxidants were obtained with purities over 90% through orthogonal high-speed counter-current chromatography separation. UV spectroscopy, mass spectrometry and H-1 NMR spectroscopy were employed to identify their structures, which were assigned as L-tryptophan, quercetin-3-O-sophoroside, 5,7,3 ',4 '-tetrahydroxyflavonol-3-O-[beta-D-rhamnopyranosil-(1 -> 2)]-beta-D-glucopyranoside, and quercetin-3-O-glucoside. Each monomer exhibited significant antioxidant activity. The results demonstrated that proposed method could be an effective approach to isolate bioactive compounds from complex natural products.
KeywordAbelmoschus Esculentus (l). Moench Antioxidants Extrusion Elution Mode High-speed Counter-current Chromatography Wavelength Switching
DOI10.1002/jssc.201600617
Indexed BySCI
Language英语
WOS IDWOS:000389045100015
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/26648
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorChen, XQ (reprint author), Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China.
Recommended Citation
GB/T 7714
Wang, RH,Liu, Q,Wu, ZL,et al. Target-guided isolation of polar antioxidants from Abelmoschus esculentus (L). Moench by high-speed counter-current chromatography method coupled with wavelength switching and extrusion elution mode[J]. JOURNAL OF SEPARATION SCIENCE,2016,39(20):3983-3989.
APA Wang, RH,Liu, Q,Wu, ZL,Wang, ML,Chen, XQ,&Chen, XQ .(2016).Target-guided isolation of polar antioxidants from Abelmoschus esculentus (L). Moench by high-speed counter-current chromatography method coupled with wavelength switching and extrusion elution mode.JOURNAL OF SEPARATION SCIENCE,39(20),3983-3989.
MLA Wang, RH,et al."Target-guided isolation of polar antioxidants from Abelmoschus esculentus (L). Moench by high-speed counter-current chromatography method coupled with wavelength switching and extrusion elution mode".JOURNAL OF SEPARATION SCIENCE 39.20(2016):3983-3989.
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