The role of powder milk as acausative agent of type one hypersensitivity and preparation of allergy vaccine.

الملخص EN

The protein extract from powder milk were prepared by extraction, followed by purification and fractionation using gel filtraction.

One peak was obtained from powder milk with molecular weight of 22KDa.

ELISA and skin test were performed on 195 patients tested with powder milk.The rate of positive results to skin test and ELISA was 60.

51%.

-There were significant differences P<0.05 among age groups regarding the number of patients who had positive skin test and ELISA results ,the mean value of flare diameter and OD-values, in addition, a significant differences P < 0.

05 occurred among males and females examined with powder milk