A beverage substance for producing a tea beverage is proposed, wherein the beverage substance is intended to be stored in a portion capsule and to be infused in the portion capsule by means of hot water introduced under pressure into the portion capsule, wherein the beverage substance is substantially particulate and at least in part comprises tea, and wherein the beverage substance has a mean particle size of between 500 micrometres and 1,500 micrometres.
