Table 2.

The isoelectric point (iP) of various proteins: selected from Csonka et al. [59].

Feed Grains		Vegetable Protein Meals
Source	iP	Source	iP
Maize–zein	6.2	Cottonseed–α-globulin	5.5
Rye–gliadin	6.6	Cottonseed–ß-globulin	5.4
Sorghum–kafirin	5.9	Navy bean–phaseolin	4.5
Wheat–gliadin	6.5	Peanut–arachnin	5.4
Wheat bran–prolamin	6.2	Soybean–glycinin	4.7
Mean	6.28	Mean	5.10