“Eco-Friendly” Epimerization of Lutein to 3′-Epilutein Under Solvent-Free Mechanochemical Conditions by Using a Strongly Acidic Cation-Exchange Resin

Anahí C. Sánchez-Chávez, Humberto L. Mendoza-Figueroa, Saray Oliveros-Cruz, Mario D. Torres-Cardona, J. Armando Luján-Montelongo, Luis A. Polindara-García

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Carotenoids represent a wide group of biologically active molecules found in nature with important applications in the food, cosmetics, and pharmaceutical industries. For example, lutein and its isomers meso- and trans-zeaxanthin are globally the best-selling carotenoids in terms of market value owing to their benefits to eye health. Here, the development of a solvent-free mechanochemical epimerization protocol to convert naturally occurring lutein into 3′-epilutein-enriched mixtures (up to dr 37:63 lutein/3′-epilutein) by using a strongly acidic cation-exchange resin as an “eco-friendly” catalyst is reported.

Original languageEnglish
Pages (from-to)3202-3210
Number of pages9
JournalEuropean Journal of Organic Chemistry
Volume2018
Issue number24
DOIs
StatePublished - 29 Jun 2018
Externally publishedYes

Keywords

  • Carotenoids
  • Epimerization
  • Mechanochemistry
  • Natural products
  • Supported catalysts
  • Synthesis design

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