アカガイおよび近縁二枚貝3種よりDiatoxanthin,Pectenoxanthin,Pectenoloneおよび新カロテノイド,3,4,3′-Trihydroxy-7′,8′-didehydro-β-caroteneの分離〔貝類のカロテノイド-3〕

概要

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The carotenoids from the reddish orange colored muscle tissue of arkshell and related three species of bivalves, Scapharca broughtonii, S. subcrenata, S. satowi, and S. globosa ursus, were investigated. They have nearly similar carotenoid patterns, consisting of pectenolone (I), pectenolone monoester, diatoxanthin (II), diatoxanthin monoester, pectenoxanthin (III), pectenoxanthin monoester, pectenoxanthin diester, and a new acetylenic carotenoid, 3, 4, 3'-trihydroxy-7', 8'-didehydro-β-carotene (IV). It is interesting from biosynthetic view point that the new acetylenic carotenoid (IV) coexists with its corresponding oxidation product pectenolone (I) in these four species of bivalves.
日本水産學會の論文