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腐胺来自()。

单选题
2021-12-29 01:20
A、谷氨酸
B、色氨酸
C、鸟氨酸
D、组氨酸
E、半胱氨酸
查看答案

正确答案
C

试题解析
氨基酸脱羧可以生成胺类。某些氨基酸脱羧产生多胺,如鸟氨酸脱羧成腐胺,再转变成精脒和精胺。谷氨酸脱羧生成γ-氨基丁酸。半胱氨酸可以先氧化成磺基丙氨酸,再脱羧生成牛磺酸,是结合胆汁酸的组成成分。

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