Milk Proteins - Caseins ◼ Phosphoproteins, account for 80% of total milk proteins ◼ Four groups: alfas1-, alfas1, Beta-, & Kappa-caseins ◼ Present in milk as micelles, stabilized by Kappa-caseins & Ca phosphate ◼ Easily precipitated by adding acid to pH 5.2-4.6Milk Proteins - Caseins ◼ Phosphoproteins, account for 80% of total milk proteins ◼ Four groups: alfas1-, alfas1, Beta-, & Kappa-caseins ◼ Present in milk as micelles, stabilized by Kappa-caseins & Ca phosphate ◼ Easily precipitated by adding acid to pH 5.2-4.6