Purification and characterization of a milk-clotting aspartic proteinase from globe artichoke (Cynara scolymus L.).

The study of proteinase expression in crude extracts from different organs of the globe artichoke (Cynara scolymus L.) disclosed that enzymes with proteolytic and milk-clotting activity are mainly located in mature flowers. Maximum proteolytic activity was recorded at pH 5.