IN256122: A formulation for the stabilization of allergenic extracts used in diagnosis and therapy of allergy

The invention discloses a formulation, which stabilizes allergen extracts, increases the shelf life and maintains the biological potency of the said extract when stored at 4oC. The formulation consists of a combination of preservatives, which enhances the shelf life of the extract as compared to the extracts without preservatives and those preserved with individual preservatives.