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Reisolation of Carotenoid 3,6‐Epoxides from Red Paprika ( Capsicum annuum )

1996; Wiley; Volume: 79; Issue: 5 Linguagem: Inglês

10.1002/hlca.19960790516

1522-2675

József Deli, Péter Molnár, Zoltán Matus, Gyula Tóth, Andrea Steck,

Traditional and Medicinal Uses of Annonaceae

Abstract Cucurbitaxanthin A (= (3 S ,5 R ,6 R ,3′ R )‐3,6‐epoxy‐5,6‐dihydro‐β,β‐ carotene‐5,3′‐diol; 5 ), cucurbitaxanthin B (= (3 S ,5 R ,6 R ,3′ S ,5′ R ,6′ S )‐3,6,5′, 6′‐diepoxy‐5,6,5′,6′‐tetrahydro‐β,β‐carotene‐5,3′‐diol; 6 ), the epimeric cucurbitachromes 1 and 2 (= (3 S ,5 R ,6 R ,3′ S ,5′ R ,8′ S )‐ and (3 S ,5 R ,6 R ,3′ S ,5′ R ,8′ R )‐3,6,5′, 8′‐diepoxy‐5,6,5′,6′‐tetrahydro‐β,β‐carotene‐5,3′‐diol, resp.; 9/10 ), cycloviolaxanthin (= (3 S ,5 R ,6 R ,3′ S ,5′ R ,6′ R )‐3,6,3′, 6′‐diepoxy‐5,6,5′,6′‐tetrahydro‐β,κs‐carotene‐5,5′‐diol; 8 ), and capsanthin 3,6‐epoxide (= (3 S ,5 R ,6 R ,3′ S ,5′ R )‐3,6‐epoxy‐5,6‐dihydro −5,3′‐dihydroxy‐β,κ‐caroten‐6′‐one; 7 ) were isolated from red spice paprika ( Capsicum annuum var. longum ) and characterized by their 1 H‐ and 13 C‐NMR, mass, and CD spectra.