A machine for the production of ice-cream in portions is equipped with a feeding device for a preparation comprising a whisking cylinder (15), cooled by a cooling circuit and equipped with a propeller mixer (16) and means for discharging the ice-cream produced. Said machine further comprises a feeding device (11, 11') for feeding a dose of preparation for ice-cream into said cylinder (15) which includes a series of containers (30, 30') containing a preparation or composition, for the production of a number of doses of ice-cream, supply means (40) of a quantity of preparation, a collection and mixing tank (35) and an interception device (41) of a feeding channel (36) of the preparation towards said whisking cylinder (15).