Table 3.

The proteins of cow’s milk (original source: DRACMA guidelines [1])

Fraction	Protein	Allergen	g/L	% total protein	MW (kDa)	# AA	pIa
Caseins		Bos d 8	~30	80
	Alphas1-casein		12–15	29	23.6	199	4.9–5.0
	Alphas2-casein		3–4	8	25.2	207	5.2–5.4
	Beta-casein		9–11	27	24.0	209	5.1–5.4
	Gamma1-casein		1–2	6	20.6	180	5.5
	Gamma2-casein				11.8	104	6.4
	Gamma3-casein				11.6	102	5.8
	Kappa-casein		3–4	10	19.0	169	5.4–5.6
Whey proteins			~5.0	20
	Alpha-lactalbumin	Bos d 4	1–1.5	5	14.2	123	4.8
	Beta-lactoglobulin	Bos d 5	3–4	10	18.3	162	5.3
	Immunoglobulin	Bos d 7	0.6–1.0	3	160.0	-	-
	BSAb	Bos d 6	0.1–0.4	1	67.0	583	4.9–5.1
	Lactoferrin	-	0.09	traces	800.0	703	8.7

^aIsoelectric point

^bBovine serum albumin