| prov:value
| - In order to provide the resulting lyophilized material with improved solid-forming property, it is preferred to add to the alkaline aqueous solution sucrose, lactose, neutral amino acids, such as glycine, alanine, proline, valine and methionine, inorganic salts, such as sodium succinate, and the like, These additives can be employed usually in an amount of 0.2 to 5 mg, preferably 0.5 to 3 mg, per
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