荨麻（Urtica dioica L.）中的胆碱乙酰转移酶
Choline acetyltransferase in the nettle Urtica dioica L.
作者信息
Barlow R B, Dixon R O
出版信息
Biochem J. 1973 Jan;132(1):15-8. doi: 10.1042/bj1320015.
Abstract
Extracts of acetone-dried powders prepared from nettle leaves were shown to catalyse the synthesis of acetylcholine. The specific activity of the enzyme in these extracts is of the same order as that of extracts from mammalian sources, such as ox brain, and the effects of temperature and pH are similar to those reported for mammalian choline acetyltransferase. Synthesis is not restricted to the younger leaves but appears to be continuous up to senescence.
摘要
从荨麻叶制备的丙酮干粉提取物被证明能催化乙酰胆碱的合成。这些提取物中酶的比活性与来自哺乳动物来源（如牛脑）的提取物相同，并且温度和pH的影响与报道的哺乳动物胆碱乙酰转移酶的影响相似。合成不限于较嫩的叶子，似乎一直持续到衰老。
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