The invention concerns a biodegradable container for single dose or multi-dose administration of beverages by injecting a fluid solution, under pressure through a preparation, the biodegradable container including: a body having a base, a side wall and an opening opposite to said base, said body forming a chamber for containing said preparation; and an upper part coupled to said body in such a way as to obstruct said opening and prevent the escape of said preparation; the biodegradable container being characterized by comprising reinforcement means associated with said side wall, and configured to oppose resistance to pressure acting on said biodegradable container during the injection of said fluid solution under pressure.