藻類におけるCarotenoidsの比較生化学-I : アサクサノリPorphyra tenera K.のCarotenoidsについて

概要

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Carotenoids are reported to have a number of functions in photosynthetic and phototactic organisms. Carotenoids protect the cell from photodynamic destruction. By adsorbing light in the region where absorption by chlorophyll is low and transferring this energy to chloro-phyll. It has also been confirmed that carotenoids play a role in the transport of oxygen. Carotenoids of Porphyra tenera K. were separated by using column chromatography (1st column: Microcel-C, developing solvent; 10% acetone in petroleum ether, 2nd column; Mag-nesium oxide: supercel-celeit, 1:2, developing solvent; 3 % or 2.5 % acetone in petroleum ether) 1, The principle carotenoid of Porphyra tenera K. was β-carotene which accounts for 60 % of the carotenoids present. 2. Small amounts of lutein, α-carotene, zeaxanthin and unconfirmed xanthophyll were also present. 3. No epoxide was present.
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