Author's Organization：Institute of Pharmaceutical Sciences, School of Medicine, Hiroshima University Institute of Pharmaceutical Sciences, School of Medicine, Hiroshima University
The tripeptide obtained from the skin of Bombina orientalis BOULENGER was coincided to mammalian thyrotropin releasing hormone by chemical characterization of the peptide. The amount of the peptide in the skin was much higher in cocentration than in mammalian hypothalamus.
