Abstract: A capsule for preparing a beverage by injection, within the capsule, of a fluid under pressure, comprising: a cup-shaped body, which in turn comprises a side wall which is substantially frustum-shaped and delimits an opening and a blind bottom, and a membrane for closing the opening of the cup-shaped body in order to delimit a containment chamber configured to contain a food substance for preparing the beverage; an internal filter being proximate to the blind bottom, the internal filter comprising a bottom wall which comprises a substantially circular central region, the central region being arranged in contact with the blind bottom of the capsule and being surrounded by a circumferential distribution groove which is open toward the blind bottom.

Abstract: A capsule for a soluble and non-soluble product, such as coffee and its derivatives, tea and herbal teas and beverages, provided with a tray-like body made of plastic material and a film that closes the tray. The capsule includes a substance that can be detected by a sensor and is embedded in the plastic material of the tray.