| 摘要 |
PROBLEM TO BE SOLVED: To obtain a new immunoenhancer having immunopotentiating action and in vivo defensive reaction activating action. SOLUTION: This immunoenhancer contains asparagine as active ingredient. For antigen-exhibiting cells or T cells to recognize an antigen, asparagine is essential, and by administering asparagine, immunopotentiation results. This immunity activator is useful as a highly safe cold syndrome therapeutic agent.
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