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DFT and Raman study of all-trans astaxanthin optical isomers
Yao, Guohua1; Guo, Shuju2,3,4; Yu, Wenjie2,3,4,6; Muhammad, Muhammad1,5; Liu, Jianguo2,3,4; Huang, Qing1,5
2021-12-05
Source PublicationSPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
ISSN1386-1425
Volume262Pages:8
Corresponding AuthorLiu, Jianguo(jgliu@scsio.ac.cn) ; Huang, Qing(huangq@ipp.ac.cn)
AbstractAstaxanthin (AST) is a xanthophyll carotenoid widely distributed in aquatic animals, which has many physiological functions such as antioxidant, anti-inflammatory, anti-hypertensive and anti-diabetic activities. AST has three optical isomers, including a pair of enantiomers (3S,3'S and 3R,3'R) and a meso form (3R,3'S). Different optical isomers have differences in a variety of physiological functions. Traditionally, High Performance Liquid Chromatography (HPLC) has been used to distinguish these isomers. In this work, it was found that Raman spectroscopy can be employed to distinguish the three optical isomers. The intensities of two Raman bands at 1190 and 1215 cm(-1) of three isomers are different. Density Functional Theory (DFT) calculations are performed to analyze the spectral differences. The mainly occupied conformers of these three optical isomers are speculated and identified. (C) 2021 Elsevier B.V. All rights reserved.
KeywordAll-trans astaxanthin Optical isomers Raman spectroscopy DFT Chiral
DOI10.1016/j.saa.2021.120143
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[11775272] ; National Natural Science Foundation of China[11635013] ; National Natural Science Foundation of China[21904127] ; National Natural Science Foundation of China[11475217] ; National Natural Science Foundation of China[U1706209] ; Anhui Provincial Natural Science Foundation[1908085MB53] ; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology[MS2019NO01]
WOS Research AreaSpectroscopy
WOS SubjectSpectroscopy
WOS IDWOS:000681651700008
PublisherPERGAMON-ELSEVIER SCIENCE LTD
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/175939
Collection实验海洋生物学重点实验室
Corresponding AuthorLiu, Jianguo; Huang, Qing
Affiliation1.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Intelligent Machines, CAS Key Lab High Magnet Field & Ion Beam Phys Bio, Hefei 230031, Peoples R China
2.Chinese Acad Sci, Qingdao 266071, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Ctr Ocean Megasci, Shandong Prov Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China
5.Univ Sci & Technol China, Grad Sch, Sci Isl Branch, Hefei 230026, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Corresponding Author AffilicationCenter for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yao, Guohua,Guo, Shuju,Yu, Wenjie,et al. DFT and Raman study of all-trans astaxanthin optical isomers[J]. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,2021,262:8.
APA Yao, Guohua,Guo, Shuju,Yu, Wenjie,Muhammad, Muhammad,Liu, Jianguo,&Huang, Qing.(2021).DFT and Raman study of all-trans astaxanthin optical isomers.SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,262,8.
MLA Yao, Guohua,et al."DFT and Raman study of all-trans astaxanthin optical isomers".SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 262(2021):8.
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