Millon's reagent is an analytical reagent used to detect the presence of soluble proteins. A few drops of the reagent are added to the test solution, which is then heated gently. A reddish-brown coloration or precipitate indicates the presence of tyrosine residue which occur in nearly all proteins.
MILLONS REAGENT The lethal dose for the tuberculous g. pig was 10 mg. for one precipitate.
MILLONS REAGENT A red solution or precipitate that forms in heating is an indication that tyrosine is present (a positive result).