Methods for preparing the shrimp grease and preparing the shrimp concentrate or the shrimp med from the Euphausia superba include the following steps: homogenizing or crushing the Euphausia superba to obtain the krill raw material; autolyzing the krill raw material at 0-4? after ultraviolet irradiation to get the solution; treating the autolyzed solution by ultrasonic; adjusting the PH value of the solution and realizing the enzymolysis by adding exogenous enzymes; and extracting the krill grease, or obtaining the shrimp concentrate after condensing the filtered solution of the enzymolysis solution or the shrimp med after spray drying the filtered solution. The methods have the following advantages: simple operation, high efficiency, and the trophicity and functionality of the product by maximally saving some original biologically active substances.
展开▼
