Method of extracting krill oil by supercritical CO2
A krill extraction and supercritical technology, applied in the production of fat/fat, fat production, etc., can solve the problems of high composition, can not meet the manufacturers, complex extraction process steps, etc., to achieve the effect of high energy consumption and long dehydration time
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example 1
[0017] A supercritical CO 2 The method for extracting krill oil, its extraction method is as follows:
[0018] (1) Selected: Selected high-quality krill meat 100g;
[0019] (2) Heating: Heat the selected krill meat in water at a temperature of 55°C and a heating time of 5 minutes;
[0020] (3) Drying: Dry the heated krill meat at a drying temperature of 55°C and a drying time of 10 minutes;
[0021] (4) Crushing treatment: crush the dried krill meat into krill powder;
[0022] (5) Extraction: put the pulverized krill powder into the extraction kettle, and use supercritical CO 2 as the extractant, methanol and ethanol as the entrainer for extraction, the extraction pressure is 25MPa, the temperature is 50°C, supercritical CO 2 The flow rate is 15L / h, and the extraction time is 1 hour to obtain krill oil;
[0023] (6) Collection: Collect the extracted krill oil to obtain the finished product.
example 2
[0025] A supercritical CO 2 The method for extracting krill oil, its extraction method is as follows:
[0026] (1) Selected: Selected high-quality krill meat 200g;
[0027] (2) Heating: Heat the selected krill meat in water at a temperature of 65°C for 10 minutes;
[0028] (3) Drying: Dry the heated krill meat at a drying temperature of 65°C and a drying time of 15 minutes;
[0029] (4) Crushing treatment: crush the dried krill meat into krill powder;
[0030] (5) Extraction: put the pulverized krill powder into the extraction kettle, and use supercritical CO 2 as the extractant, methanol and ethanol as the entrainer for extraction, the extraction pressure is 30MPa, the temperature is 60°C, supercritical CO 2 The flow rate is 18L / h, and the extraction time is 2 hours to obtain krill oil;
[0031] (6) Collection: Collect the extracted krill oil to obtain the finished product.
example 3
[0033] A supercritical CO 2 The method for extracting krill oil, its extraction method is as follows:
[0034] (1) Selected: Selected high-quality krill meat 300g;
[0035] (2) Heating: Heat the selected krill meat in water at 85°C for 15 minutes;
[0036] (3) Drying: Dry the heated krill meat at a drying temperature of 75°C and a drying time of 20 minutes;
[0037] (4) Crushing treatment: crush the dried krill meat into krill powder;
[0038] (5) Extraction: put the pulverized krill powder into the extraction kettle, and use supercritical CO 2 as the extractant, methanol and ethanol as the entrainer for extraction, the extraction pressure is 35MPa, the temperature is 70°C, supercritical CO 2 The flow rate is 20L / h, and the extraction time is 3 hours to obtain krill oil;
[0039] (6) Collection: Collect the extracted krill oil to obtain the finished product.
[0040] A kind of supercritical CO of the present invention 2 In the method of extracting krill oil, the krill m...
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