Casein is the main protein found in milk and contains 21 amino acids. Acid Casein is produced by controlled acid precipitation from skim milk. It is insoluble in water, completely soluble in alkali and heat stable.

India Facts and Figures: The country has exported Caseins to the world during the year 2025-26 as is in below table.

Major Export Destinations (2025-26): Saudi Arabia, Philippines, Germany, U.S.A and Thailand. (Source: DGCIS)