Study of alpha-crustacyanin utilizing halogenated canthaxanthins |
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| Authors: | Liu Jin Shelton Nicole L Liu Robert S H |
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| Institution: | Department of Chemistry, Murray State University, Murray, Kentucky 42071, USA. jin.liu@murraystate.edu |
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| Abstract: | structure: see text] The preparations and spectroscopic characteristics of five all-trans halogenated canthaxanthins are described in this letter. The air/light-sensitive halogenated canthaxanthins were used to study alpha-crustacyanin, a blue astaxanthin-protein complex, which is isolated from the carapace of the lobster. Steric and electronegative effects of the halogen substituents on the noncovalent interaction between astaxanthin and the protein in alpha-crustacyanin were observed. |
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