nitrogen in amino acid

• 氨基酸态氮

nitrogen in amino acid的用法和样例：

例句

1. The content of amino nitrogen in blanched cowpea and unblanched purslane showed a rise followed by a drop during refrigerated storage.
   除杀菁瓠瓜外，低温处理使杀菁豇豆和未杀菁马齿苋中氨基酸态氮含量先升后降。