通过减少巯基丁氨酸的血中浓度，叶酸可以保持血管通畅。
By reducing blood levels of homocysteine, folate keeps blood vessels pristine.
巯基丁氨酸较高与脑萎缩较快和老年痴呆症之间存在某种联系。
High levels of homocysteine are associated with faster brain shrinkage and Alzheimer's disease.
巯基丁氨酸——一种氨基酸，能对动脉产生伤害，并更加容易形成血块，使得心脏病发作几率上升。
Homocysteine, an amino acid, can cause harm to arteries and allow clots to form more easily, which in turn ups the risk for heart disease, heart attack, and stroke.
胍丁胺是左旋精氨酸在左旋精氨酸脱羧酶催化下脱羧基的产物，是咪唑啉受体的内源性配体。
Agmatine formed by the decarboxylation of L-Arginine by the enzyme L-arginine decarboxylase, has been postulated to be an endogenous ligand for imidazoline receptors (I-R).
本文报导了白氨酸—乙酸丁酯为复合有机底物的化学振荡反应。
This paper reports on oscillatory reaction using L-leucine as unitary organic compound.
以手性苯甘氨酸丁酯为拆分剂的方法操作简单、收率较高，适于工业化生产。
The method of using optically active phenylglycine butyl ester as resolution agent can obtain the higher yield, and it is easy to operate. So it is suitable for industrial production.
氨基酸分析表明，酶的失活是因为丁二酮修饰了精氨酸残基。
Amino acid analysis showed that the inactivation of the enzyme was due to the modification of the arginyl residue by butanedione( Table3).
氨基酸分析表明，酶的失活是因为丁二酮修饰了精氨酸残基。
Amino acid analysis showed that the inactivation of the enzyme was due to the modification of the arginyl residue by butanedione( Table3).
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