Sekundärcarotinoide in der Grünalge Sphaeroplea

Abstract

The secondary carotenoids of the zygospores of the green alga Sphaeroplea cambrica have been investigated. The zygospores contain 3-hydroxy-4-oxo-β-carotene (hydroxyechinenone), 3,3′-dihydroxy-4-oxo-β-carotene (adonixanthin), 3-hydroxy-4,4′-dioxo-β-carotene (adonirubin) and 3,3′-dihydroxy-4,4′-dioxo-β-carotene (astaxanthin) esterified with myristic, lauric and caprinic acid and 4-oxo-β-carotene (echinenone) and 4,4′-dioxo-β-carotene (canthaxanthin).