Table 1.

Main characteristics of CM allergens, adapted from Hochwallner [8].

	Allergen Name	Protein	Concentration (g/L)	Size (kDa)	Prevalence (% of Patients)	Allergenic Activity (% of Patients)
Whey (20%) (5 g/L)	Bos d 4	α–Lactalbumin	1–1.5	14.2	0–67	12
	Bos d 5	β–Lactoglobulin	3–4	18.3	13–62	19
	Bos d 6	Bovine serum albumin	0.1–0.4	66.3	0–76	1
	Bos d 7	Immunoglobulins	0.6–1	160	12–36
		Lactoferrin	0.09	80	0–35	3
Whole casein (80%) (30 g/L)	Bos d 9	αS1–casein	12–15	23.6	65–100	26
	Bos d 10	αS2–casein	3–4	25.2
	Bos d 11	β–casein	9–11	24	35–44	35
	Bos d 12	k–casein	3–4	19	35–41	26