Abstract

3-Hydroxy-β,e-caroten-3′-one (3′-dehydrolutein) was isolated from the mothsActias selene andCerura vinula. The structure is based on chemical, chromatographical, electron, and mass spectroscopic data. The carotenoid is identical to a semi-synthetic sample obtained from lutein by Oppenauer oxidation. It seems to be widespread among Saturniid and other moths, and is probably derived from dietary lutein.

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