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Etude photophysique de la ptérobiline

Photophysical study on pterobilin

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  • Mathematica, Physica
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Summary

The first results of a photophysical study on pterobilin (biliverdin IX γ, a Lepidopter blue bile pigment) are presented. From the absorption and fluorescence spectra, it is deduced that the low yield of fluorescence indicates a desactivation of the excited singlet state occurring mainly by a non-radiative process. Analyses of the chemical compounds formed after irradiation of pterobilin in methanol show that it is rearranged into a series of new blue pigments among which phorcabilin and sarpedobilin (the two neobiliverdins IX γ isolated from Lepidopters) have been identified.

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Author information

Authors and Affiliations

  1. Laboratoire de Photochimie de l'Université Scientifique et Médicale, Centre de Tri, Boîte postale 53, F-38041, Grenoble Cédex, France

    R. Gautron, P. Jardon & C. Pétrier

  2. Institut de Chimie des Substances Naturelles CNRS, F-91190, Gif-sur-Yvette, France

    M. Choussy & M. Barbier

  3. Laboratoire de Zoologie, Ecole Normale Supérieure, F-75005, Paris, France

    M. Vuillaume

Authors
  1. R. Gautron
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  2. P. Jardon
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  3. C. Pétrier
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  4. M. Choussy
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  5. M. Barbier
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  6. M. Vuillaume
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Additional information

Remerciements. Nous remercions le ProfesseurJ. Bergerard pour son intérêt. Ces recherches ont été réalisées dans le cadre de l'ATP CNRS No. 4699-10.

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Gautron, R., Jardon, P., Pétrier, C. et al. Etude photophysique de la ptérobiline. Experientia 32, 1100–1102 (1976). https://doi.org/10.1007/BF01927566

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  • DOI: https://doi.org/10.1007/BF01927566

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