Table-2.

Purity and yield measurements at each purification stage from egg yolk.

Subjects	Protein concentration (mg/mL)
	3.5% PEG	8.5% PEG	12% PEG	After dialysis
New laying hens	10.18 ± 0.53	6.29 ± 0.24	0.92 ± 0.07	6.55 ± 0.58
Spent laying hens	11.86 ± 1.07	6.24 ± 0.75	1.00 ± 0.06	12.98 ± 1.96**

PEG: Polyethylene glycol.

^**p < 0.01 versus new laying hens