Milk • Milk should contain • 8.25% milk-solid-not-fat • 3.25% milk fat • Milk is . − a true solution for salts, lactose, water￾soluble vitamins − milk is a colloidal dispersion for proteins and some Ca phosphate − a dilute emulsion for fat globulesMilk • Milk should contain • 8.25% milk-solid-not-fat • 3.25% milk fat • Milk is . − a true solution for salts, lactose, water￾soluble vitamins − milk is a colloidal dispersion for proteins and some Ca phosphate − a dilute emulsion for fat globules