Fat: 3.0-5.0%
Protein: 2.7-3.7%
Milk sugar: 4.5-5.0%
Inorganic salt: 0.60-0.75%, including sodium 10.62%, potassium 36.62%, calcium 45% and magnesium 7.76%.
Every liter of milk contains 30-70 mg of iodine, 0.4 mg of iron, 2.5 mg of zinc, 0.05 mg of manganese, 0.2 mg of bromine, 0.05 mg of fluorine and other trace elements.
Enzymes: reductase, peroxidase, phosphatase.
Vitamins: Every 100 ml of milk contains vitamin A: 10-60 micrograms, vitamin D: 0.3-4.6 international units, vitamin E: 20-200 milligrams, vitamin B10.20 micrograms, and vitamin B2: