同型半胱氨酸水平与天冬氨酸氨基转移酶和总胆红素呈正相关；

The Hcy level was positively correlated with the AST and TB level.

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天冬氨酸蛋白酶在氨态氮和游离氨基酸的形成过程中，贡献率最小；在将蛋白水解成肽氮的过程中，天冬氨酸蛋白酶和半胱氨酸蛋白酶起到了主要作用。

Aspartic peptidase made little contribution on the formation of NH3-N and AA-N. degradation of protein into peptides was attributed to aspartic-and cysteine peptidases.

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