| 摘要 |
A portion capsule for producing a beverage, comprising a capsule body (2) with a capsule base (3) and a filling side (4) is proposed, wherein a hollow space (100) for the acceptance of a beverage substrate (101) in liquid or powder form is formed between the capsule base (3) and the filling side (4) and a filter element (7) is arranged between the beverage substrate (101) and the capsule base (3), wherein the filter element (7) comprises an open-pored felt and/or non-woven material, and wherein the felt and/or non-woven material has an average first pore size in a first region (200) facing the beverage substrate (101) and an average second pore size in a second region (201) facing the capsule base (3), the first pore size being smaller than the second pore size. |
