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An Efficient Conversion of (3 R, 3 ‘ R, 6 ‘ R )-Lutein to (3 R, 3 ‘ S, 6 ‘ R )-Lutein (3‘-Epilutein) and (3 R, 3 ‘ R )-Zeaxanthin †

✍ Scribed by Khachik, Frederick


Book ID
125995481
Publisher
American Chemical Society
Year
2003
Tongue
English
Weight
119 KB
Volume
66
Category
Article
ISSN
0163-3864

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📜 SIMILAR VOLUMES


Separation of (3R, 3′R)-, (3R, 3′S;meso)
✍ 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

Confirmation of the Absolute (3R,3′S,6′R
✍ Péter Molnár; József Deli; Erzsébet Ősz; Ferenc Zsila; Miklós Simonyi; Gyula Tót 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 German ⚖ 242 KB

## Abstract Circular dichroism (CD) spectroscopy was used to distinguish between the isomeric (all‐__E__)‐configured 3′‐epilutein (**2**) and 6′‐epilutein (**8**) to establish the absolute configuration of epilutein samples of different (natural and semisynthetic) origin, including samples of **2**