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Partial Synthesis of (3 R ,6‘ R )-α-Cryptoxanthin and (3 R )-β-Cryptoxanthin from (3 R ,3‘ R ,6‘ R )-Lutein †

✍ Scribed by Khachik, Frederick; Chang, An-Ni; Gana, Audry; Mazzola, Eugene

Book ID
127391658
Publisher
American Chemical Society
Year
2007
Tongue
English
Weight
132 KB
Volume
70
Category
Article
ISSN
0163-3864

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✍ Rüttimann, A. ;Schiedt, K. ;Vecchi, M. 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 English ⚖ 299 KB

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