Analytical pyrolysis evidences the presence of granaticins in the violet stains of a Roman tomb
2015
Díaz-Herraiz, Marta | Laiz Trobajo, L. | Jurado, Valme | Miller, A. Z. | González-Pérez, José Antonio | Santos, Juan Luis | Alonso, Esteban | Sáiz-Jiménez, Cesáreo | European Commission | Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
6 páginas.-- 5 figuras.-- 14 referencias
Mostrar más [+] Menos [-]The walls of the Circular Mausoleum tomb (Roman Necropolis of Carmona, Spain) exhibit an important number of violet stains of unknown origin. Analytical pyrolysis detected in the tomb walls granaticin A, a violet pigment with an isobenzochromanequinone structure, as well as in the extracts of two bacterial strains isolated from the walls. The bacterium was tentatively identified as Streptomyces sp. High performance liquid chromatography confirmed that this Streptomyces synthesized as major pigments dihydrogranaticin A, granaticin A and granaticin B.
Mostrar más [+] Menos [-]This research was funded by projects GCL2010-17183 and 201230E125. M.D.H. and A.Z.M. were supported by a JAE Research Fellowship from CSIC, and a Marie Curie Intra-European Fellow-ship of the European Commission’s 7th Framework Programme(PIEF-GA-2012-328689), respectively
Mostrar más [+] Menos [-]Peer reviewed
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