The book "Protease Inhibitors" provides information on trypsin and chymotrypsin inhibotors of plants,animals and microorganisms. This book gives details of isolation, purification and characterization of protease inhibitors from the seeds of Mucuna pruriens. It also provides ample information to the students who involved in protein chemistry and enzymology. This book is organized into various chapters to cover all the aspects of protein purification and characterization. This book also provides up-to-date information and recent advances in various applications of protease inhibitors.