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CONFIGURATIONS OF CAROTENOIDS IN THE REACTION CENTER and THE LIGHT‐HARVESTING COMPLEX OF Rhodospirillum rubrum. NATURAL SELECTION OF CAROTENOID CONFIGURATIONS BY PIGMENT PROTEIN COMPLEXES
Abstract— Carotenoids extracted from the reaction center (RC), the light‐harvesting complex (LH), and the chromatophore membrane of Rhodospirillum rubrum SI were analyzed by high‐performance liquidExpand
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Isolation by high-pressure liquid chromatography of the cis-trans isomers of .beta.-apo-8'-carotenal. Determination of their S0-state configurations by NMR spectroscopy and prediction of their S1-
High-pressure liquid chromatography to isolate cis-trans isomers of β-apo-8'-carotenal was developed, and the configurations of nine isomers, i.e. all-trans, 1-cis, 9-cis, 13-cis, 15-cis, 13'-cis,Expand
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The structures of S0 spheroidene in the light-harvesting (LH2) complex and S0 and T1 spheroidene in the reaction center of Rhodobacter sphaeroides 2.4.1 as revealed by Raman spectroscopy
The Raman spectrum of S0 spheroidene in the light-harvesting (LH2) complex (LHC) and those of S0 and T1 spheroidene in the reaction center (RC) of Rhodobacter sphaeroides 2.4.1 were recorded.Expand
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A novel photoproduct of peridinin, A 6S allenic isomer
Abstract Iodine catalyzed photoisomerization of peridinin gave the novel 6S allenic isomer whose structure was proved by chemical synthesis.
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1H NMR spectra of the all-trans, 7-cis, 9-cis, 13-cis and 15-cis isomers of β-carotene: elongation of the double bond and shortening of the single bond toward the center of the conjugated chain as
Abstract 400 MHz 1H-NMR spectra of the all-trans, 7-cis, 9-cis, 13-cis and 15-cis isomers of β-carotene have been recorded in benzene and chloroform solutions. A set of coupling constants forExpand
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CONFIGURATIONS OF NEUROSPORENE ISOMERS ISOLATED FROM THE REACTION CENTER AND THE LIGHT‐HARVESTING COMPLEX OF Rhodobacter spheroides G1C. A RESONANCE RAMAN, ELECTRONIC ABSORPTION, AND 1H‐NMR STUDY
Abstract— HPLC analysis of neurosporene extracted from the chromatophore membranes of Rhodobacter spheroides G1C showed two isomeric components 1 and 2. Extract from the light‐harvesting complex (LH)Expand
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Isolation by high‐pressure liquid chromatography, configurational determination by 1H‐NMR, and analyses of electronic absorption and raman spectra of isomeric spheroidene
A set of cis-trans isomers of spheroidene (all-trans, 9′-cis, 13′-cis, 9-cis, 13-cis, 5,9′-cis, 9,13′-cis, and 5,13-cis + 13,9′-cis) were isolated from an isomeric mixture which was obtained byExpand
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Central-Cis isomers of lutein found in the major light-harvesting complex of Photosystem II (LHC IIb) of higher plants
Lutein (β,∈-carotene-3,3′-diol) is the major carotenoid of the light-harvesting systems of higher plants. Lutein was isolated at 4°C and in complete darkness from the bulk light-harvesting complex ofExpand
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