Comparison between bovine hide and pigskin gelatins and preparation of gelatin hydrolysates

摘要

Bovine hide and pigskin gelatins were prepared and their molecular weight profdes were examined by SDS-PAGE. The major molecular weights of bovine hide gelatin were 220 kDa, 140 kDa, and 130 kDa and the weights of pigskin gelatin were 210 kDa, 135 kDa and 120 kDa. Also, as a typical parameter of rheological property of the gelatin, viscosities of gelatin were measured under various conditions. Gelatin hydrolysates were prepared using typical commercial proteases and theft angiotensin converting enzyme inhibitory activities were examined.