求翻译：磷脂酰丝氨酸是一种于细胞中的十分重要的膜磷脂，是细胞膜的重要组成物质， 对大脑机能的正常运作起到重要的调节作用。磷脂酰丝氨酸在所有磷脂类物质中的比例不到10%，但是它的作用是十分重要的，在食品，医药，饲料行业中都起到了重要作用，尤其是在医药的作用，它能起到治疗、保健的作用，例如能有效缓解糖尿病，改善阿耳茨海氏病，提高记忆力，舒缓压力等【1】。生物体自发合成的磷脂酰丝氨酸的含量极其少，人工合成就成了当务之急。本文应用了酶转化法的原理来实现磷脂酰胆碱发成转磷脂酰基反应从而生成磷脂酰丝氨酸。是什么意思？

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The phosphatidyl serine is one kind in the cell extremely important membrane phosphatide, is the cell membrane important composition material, operates normally to the cerebrum function the important control action.Phosphatidyl serine in all phospolipide material proportion not to 10%, but its role

Phosphatidyl serine is in is very important in the cell membrane phospholipids are important composition of cell membranes, in the regulation of normal operation of the brain function plays an important role. Phospholipid n silk ammonia acid in all Phospholipid class material in the of ratio does no