Biogenic amines and active polypeptides in the skin of Australian amphibians.
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Amphibians↗
Biomedical subjects
M Roseghini
Publications and source records attributed to M Roseghini.
5-Methoxy- and 5-hydroxy-indolealkylamines in the skin of Bufo alvarius.
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Animals↗
Occurrence of biogenic amines and other active substances in methanol extracts of the beetle Luciola italica.
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Histamine↗
New and uncommon indole- and imidazole-alkylamines in skins of amphibians from Australia and Papua New Guinea.
Extracts of the skin of some amphibians from Australia and Papua New Guinea contained, in addition to the usual 5-hydroxyindolealkylamines and histamine: a. two new, hitherto unknown indolealkylamines, i.e. O-sulphate of bufotenidine and 2-(3-indolyl) ethyltrimethylammonium, a quaternary ammonium base of tryptamine. The rare O-sulphate of bufotenine was also present, the occurrence of which had previously been demonstrated only in the skin of some South American toads; b. a series of uncommon imidazolealkylamines, such as N'-acetylhistamine, N'-methylhistamine, N',N'-dimethylhistamine, spinaceamine and 6-methylspinaceamine. It appears evident that amphibian skin continues to be an exceptionally rich source of aromatic amines.
Amines↗