abstract |
The present invention provides a storage method and a stabilizing agent for an aspartyl dipeptide ester derivative. This storage method is characterized in that aspartame and/or a metal ion is allowed to co-exist with the aspartyl dipeptide ester derivative. This stabilizing agent is characterized by comprising aspartame and/or a metal ion as an active ingredient. This storage method and this stabilizing agent are useful for beverages, foods, medicinal agents and the like each containing an aspartyl dipeptide ester derivative. |