Preliminary study on digestive enzyme activity and enzymatic properties of Oratosquilla oratoria in the Bohai sea
The digestive enzyme activity and some enzymatic properties of Oratosquilla oratoria in the Bohai sea were explored.The results showed that the activities of protease,amylase and lipase in hep-atopancreas from O.oratoria were highest,and lowest in the stomach;The optimum pH value for protease,amylase and lipase activities in the stomach of O.oratoria was 6,the optimum pH value for amylase and lipase activities in hepatopancreas and intestines was 7,and the optimum pH value for protease activity in hepatopancreas and intestines was 8;The optimum temperature of amylase in the hepatopancreas of O.oratoria was 30℃,the optimum temperature of protease and amylase in stom-ach and amylase in intestines was 35℃,and the optimum temperature of lipase in stomach and prote-ase and lipase in hepatopancreas and intestines was 40℃.