Preparation method of ammonia sugar using shrimp and crab shells as raw material
A technology of shrimp and crab shells and ammonia sugar, which is applied in the field of ammonia sugar preparation using shrimp and crab shells as raw materials, can solve the problems of lower ammonia sugar yield and low degree of hydrolysis, achieve enhanced hydrolysis rate, reduce production cost, shorten enzyme Effect of time to remove protein
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Embodiment 1
[0041] A method for preparing ammonia sugar using shrimp and crab shells as a raw material, comprising the steps of:
[0042] S1 extracts chitin from shrimp and crab shells;
[0043] S1-1 Carrying out high pressure pulverization and ultrasonic pulverization sequentially on the washed shrimp and crab shells to obtain pulverized shrimp and crab shells;
[0044] The high-pressure pulverization includes: pulverizing the cleaned shrimp and crab shells in a high-pressure pulverizer at 1.6 MPa for 1 min;
[0045] The ultrasonic crushing includes: ultrasonically crushing the shrimp and crab shells crushed under high pressure in distilled water for 5 minutes under a 350W ultrasonic wave;
[0046] S1-2 Under ultrasonic waves, the crushed shrimp and crab shells are sequentially subjected to acid hydrolysis to remove inorganic salts and enzymatic hydrolysis to remove proteins to obtain degradation products;
[0047] The acid hydrolysis includes: soaking the crushed shrimp and crab shell...
Embodiment 2
[0062] A method for preparing ammonia sugar using shrimp and crab shells as a raw material, comprising the steps of:
[0063] S1 extracts chitin from shrimp and crab shells;
[0064] S1-1 Perform high-pressure crushing and ultrasonic crushing on the washed shrimp and crab shells in sequence to obtain crushed shrimp and crab shells;
[0065] The high-pressure pulverization includes: pulverizing the cleaned shrimp and crab shells in a high-pressure pulverizer at 2 MPa for 5 minutes;
[0066] The ultrasonic crushing includes: ultrasonically crushing the shrimp and crab shells crushed under high pressure in distilled water for 8 minutes under a 400W ultrasonic wave;
[0067] S1-2 Under ultrasonic waves, the crushed shrimp and crab shells are sequentially subjected to acid hydrolysis to remove inorganic salts and enzymatic hydrolysis to remove proteins to obtain degradation products;
[0068] The acid hydrolysis includes: soaking the pulverized shrimp and crab shells in a citric ...
Embodiment 3
[0083] A method for preparing ammonia sugar using shrimp and crab shells as a raw material, comprising the steps of:
[0084] S1 extracts chitin from shrimp and crab shells;
[0085] S1-1 Perform high-pressure crushing and ultrasonic crushing on the washed shrimp and crab shells in sequence to obtain crushed shrimp and crab shells;
[0086] The high-pressure pulverization includes: pulverizing the cleaned shrimp and crab shells in a high-pressure pulverizer at 1.8 MPa for 3 minutes;
[0087] The ultrasonic crushing includes: ultrasonically crushing the shrimp and crab shells crushed under high pressure in distilled water for 6 minutes under a 380W ultrasonic wave;
[0088] S1-2 Under ultrasonic waves, the crushed shrimp and crab shells are sequentially subjected to acid hydrolysis to remove inorganic salts and enzymatic hydrolysis to remove proteins to obtain degradation products;
[0089] The acid hydrolysis includes: soaking the pulverized shrimp and crab shells in a citri...
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