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Isomerization of trans -Astaxanthin to cis -Isomers in Organic Solvents

✍ Scribed by Yuan, Jian-Ping; Chen, Feng

Book ID
121245720
Publisher
American Chemical Society
Year
1999
Tongue
English
Weight
88 KB
Volume
47
Category
Article
ISSN
0021-8561

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trans/cis Isomerization of Astaxanthin D
trans/cis Isomerization of Astaxanthin Diacetate/Isolation by HPLC. and Identification by 1H-NMR. Spectroscopy of Three Mono-cis- and Six Di-cis-Isomers
✍ Gerhard Euglert; Max Vecchi 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 485 KB

## Abstract Thermal and iodine‐catalyzed photochemical __trans/cis__ isomerization of synthetic, racemic astaxanthin diacetate (3,3′‐dihydroxy‐β,β‐carotene‐4,4′‐dione diacetate) yielded multi‐component mixtures of __cis__‐isomers. Separation and isolation of 10 different __cis__‐isomers in quantiti