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|Section2= |Section3= }} Tryptamine is a monoamine alkaloid. It contains an indole ring structure, and is structurally similar to the amino acid tryptophan, from which it derives its name. Tryptamine is found in trace amounts in the brains of mammals and is believed to play a role as a neuromodulator or neurotransmitter. The tryptamine chemical structure is the backbone for a group of compounds termed collectively ''substituted tryptamines''. This group includes many biologically active compounds, including neurotransmitters and psychedelic drugs. The concentration of tryptamine in rat brains is about 3.5 pmol/g. ==Plants containing tryptamine== Many plants contain small amounts of tryptamine, for example, as a possible intermediate in one biosynthetic pathway to the plant hormone indole-3-acetic acid. Higher concentrations can be found in many ''Acacia'' species. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tryptamine」の詳細全文を読む スポンサード リンク
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