| 摘要 |
A beverage preparation capsule (800) is provided comprising a hollow body suitable for containing a beverage preparation ingredient, the hollow body having a top end for receiving liquid into the hollow body, a bottom end for dispensing the beverage from the hollow body, and at least one side wall (813) between the top and bottom ends, the bottom end being in fluid communication with the top end; and the hollow body containing a filter material (830) having a variable porosity along at least one dimension of the filter material's surface area, wherein the filter material (830) is less porous closer to the top or inlet of the hollow body and more porous closer to the bottom or outlet of the hollow body, or wherein the filter material is less porous closer to the side wall of the hollow body and more porous closer the centre of the filter material, or a combination of both. The beverage preparation capsule may be used with a beverage preparation apparatus in a method of preparing a beverage, particularly ground coffee or leaf tea. |
