A CAPSULE FOR THE PREPARATION OF A BEVERAGE

The invention is directed to a capsule (1) for the preparation of a beverage in a beverage preparation machine (10) comprising: - a cup-shaped body, being a solid of revolution with a bottom wall (2), lateral walls (3), and a peripheral rim (4) extending outwardly at the top edges of said lateral walls (3), - a closing membrane (5) attached to the rim (4) for closing the cup-shaped body (1) and forming a closed chamber containing a beverage ingredient, wherein the bottom wall (2) is adapted to be pierced by a water-injection piercing member (12) of the beverage preparation machine (10), and wherein said cup-shaped body comprises an outer layer of moulded cellulose pulp (6) and an inner layer of polymeric liner film (7) having barrier properties to oxygen and/or moisture, said barrier liner film (7) being attached to said moulded pulp outer layer (6), characterized in that: said capsule (1) further comprises a rigid holding insert (8) inside said closed chamber, positioned in a stationary manner relative to the cup-shaped body, said insert (8) comprising a ring-shaped portion (9) that holds said liner film (7) against said moulded pulp layer (6) along the circumference of at least one portion of said bottom wall (2).