| abstract |
Lyophilized molded body, characterized in that it contains <50% by weight of one or more active ingredients, selected from the group of acidic active ingredients with a pKa value 5 at 25 ° C of <= 7, and <= 15% by weight of one or several structure formers, proteins being excluded, at least one chitosan structure former, as well as one or more adjuvants, in each case referred to the total composition of the lyophilized molded body, and whose solution or suspension at 1 percent by weight in water at 20 ° C have a pH value <7. |