File Name : supplement 1.tif

Caption : 2-d gel of casein from bovine milk; the first dimension was ief on 7 cm ph 4-7 ipg strips and the second dimension was sds-page on 12% gels (10×10 cm); the spots of proteins were stained with bio-safe coomasie, excited and analyzed in spectrometric analysis. a) αs2-, b) β-, c)  αs1- and d) κ-casein