Separation of (3R, 3β²R)-, (3R, 3β²S;meso)
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RΓΌttimann, A. ;Schiedt, K. ;Vecchi, M.
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Article
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1983
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John Wiley and Sons
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English
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A method is described for the qualitative and quantitative determination of configurational isomers of zeaxanthin (= 3,3' -dihydroxy-P, p -carotene) and lutein (= 3 3 -dihydroxya-carotene). It is based on the reaction of these zeaxanthin and lutein isomers with (S)-(+)-e-(l -naphthyl) ethyl isocyana