Subunit vaccines and processes for the production thereof

摘要

The present invention refers to the use of an extract of soluble proteins from plant leaf cells for the preparation of subunit vaccines comprising said extract as adjuvant, to the vaccines and to the kit comprising said extract as adjuvant and to the processes for the preparation thereof. the present invention further refers to a plant obtainable by the step of expressing in soluble from a protein antigen in leaf cells at a concentration greater than or equal to 3 mug of protein per gram of leaf.