目的评价复方支链氨基酸注射液绿支安对贲门癌根治术患者蛋白质代谢的影响。
Objective To evaluate the effect of compound branch chain amino acids injection (Aminic) on protein metabolism in patients with radical resection of cardiac carcinoma.
目的：采用分光光度法测定富含支链复方氨基酸注射液中n -乙酰- L -半胱氨酸的含量。
Objective: to determine N-acetyl-L-cysteine in compound amino acid injection by spectrophotometry.
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