Isolation and identification of sapotexanthin 5,6-epoxide and 5,8-epoxide from red mamey (Pouteria sapota)
| Autor: | Attila Agócs, Tibor Kurtán, Eunice Molinar Toribio, Enrique Murillo, Veronika Nagy, Johant Lakey-Beitia, Sándor Balázs Király, József Deli |
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| Rok vydání: | 2019 |
| Předmět: |
Pharmacology
chemistry.chemical_classification Circular dichroism food.ingredient Organic Chemistry Epoxide Stereoisomerism Semisynthesis Carotenoids Catalysis Analytical Chemistry Pouteria chemistry.chemical_compound Pouteria sapota food chemistry Sapotexanthin Drug Discovery Organic chemistry Epoxy Compounds Carotenoid Spectroscopy Hplc ecd |
| Zdroj: | ChiralityREFERENCES. 32(5) |
| ISSN: | 1520-636X |
| Popis: | Two new carotenoids, sapotexanthin 5,6-epoxide and sapotexanthin 5,8-epoxide, have been isolated from the ripe fruits of red mamey (Pouteria sapota). Sapotexanthin 5,6-epoxide was also prepared by partial synthesis via epoxidation of sapotexanthin, and the (5R,6S) and (5S,6R) stereoisomers were identified by high-performance liquid chromatography-electronic circular dichroism (HPLC-ECD) analysis. Spectroscopic data of the natural and semisynthetic derivatives obtained by acid-catalyzed rearrangement of cryptocapsin 5,8-epoxide stereoisomers were compared for structural elucidation. |
| Databáze: | OpenAIRE |
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