| 摘要 |
The present invention provides an agent containing L-tyrosine that prevents methemoglobin formation, and a vesicle comprising the above agent for preventing methemoglobin formation. More specifically, the present invention provides an oxygen infusion preparation suitable for long-term storage, which prevents an increase in methemoglobin content as a result of oxidation of hemoglobin or the like encapsulated in an vesicle having a lipid bilayer membrane structure.
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