Über Ommochrome. VI. Mitteilung. Zur Genese von Rhodommatin und Ommatin C
- 1 January 1955
- journal article
- research article
- Published by Walter de Gruyter GmbH in Hoppe-Seyler´s Zeitschrift Für Physiologische Chemie
- Vol. 301 (Jahresband) , 115-117
- https://doi.org/10.1515/bchm2.1955.301.1-2.115
Abstract
Radioactive labeled tryptophan or kynurenine is injected into caterpillars of the small tortoise-shell (Vanessa urticae). It is shown by determination of the radioactivity of the dyestuffs separated from the secretions of the butterfly by paper chromatography, that rhodommatin and ommatin C as well as xanthommatin are final products of the tryptophan metabolism. Rhodommatin and ommatin C are ommochromes although they do not exhibit some of the properties previously regarded as characteristic of this class of dyestuff.Keywords
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