| 摘要 |
PROBLEM TO BE SOLVED: To provide a composition capable of stably preserving the physiological activity of the useful protein therein, and to provide a method for producing the composition. SOLUTION: This composition is obtained by adding at least two components selected from organic acids and alkali metal salts thereof, compounds having thiol structure and gum arabic, each being nonvolatile even if the composition undergoes a lyophilization treatment, to a useful protein.
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