食物中的蛋白质,均由一定的氨基酸组成,并且各种氨基酸又有其特定的比例和排列顺序.赖氨酸是人体自身不能合成的八种必需氨基酸之一,因为它是参与人体新陈代谢的重要氨基酸,而在人类食物中又极易缺乏,所以被 Food protein, are composed of certain amino acids, and a variety of amino acids have their specific proportions and order of lysine is the human body can not synthesize one of the eight essential amino acids, because it is involved in the metabolism of the human body important Amino acids, but also very easy to lack in human food, so be