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. 2015 Jul 21;20(7):13144–13164. doi: 10.3390/molecules200713144

Table 3.

Main allergens of cow’s milk.

Protein International Allergen Code ^ Protein Content (% Total Protein) Protein Content (g/100 g Dry Milk) *
Total protein - 100 26.15 *
Alpha-lactalbumin Bos d 4 5 1.31
Beta-lactoglobulin Bos d 5 10 2.62
Serum albumin Bos d 6 1 0.26
Immunoglobulin Bos d 7 3 0.78
Total casein Bos d 8 80 20.92
AlphaS1-casein Bos d 9 29 7.58
AlphaS2-casein Bos d 10 8 2.09
Beta-casein Bos d 11 27 7.06
Kappa-casein Bos d 12 10 2.62

^ Codes are established by the IUIS Allergen Nomenclature Sub-Committee (www.allergen.org); * 13% total solid and 3.4 g/L of proteins.