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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[0016] Example one
[0017] A supercritical CO 2 The method of extracting krill oil is as follows:
[0018] (1) Selection: 100g of selected high-quality krill meat;
[0019] (2) Heating: Heat the selected krill meat in water, heating temperature is 55℃, heating time is 5min;
[0020] (3) Drying: dry the heated krill meat, the drying temperature is 55℃, and the drying time is 10min;
[0021] (4) Crushing treatment: crush the dried krill meat into krill powder;
[0022] (5) Extraction: Put the crushed krill powder into the extraction kettle, and use supercritical CO 2 Is the extractant, methanol and ethanol are the entrainers for extraction, the extraction pressure is 25MPa, the temperature is 50℃, and the 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 Embodiment
[0024] Example two
[0025] A supercritical CO 2 The method of extracting krill oil is as follows:
[0026] (1) Selection: 200g of selected high-quality krill meat;
[0027] (2) Heating: Heat the selected krill meat in water, the heating temperature is 65℃, and the heating time is 10min;
[0028] (3) Drying: dry the heated krill meat, the drying temperature is 65℃, and the drying time is 15min;
[0029] (4) Crushing treatment: crush the dried krill meat into krill powder;
[0030] (5) Extraction: Put the crushed krill powder into the extraction kettle, and use supercritical CO 2 As extractant, methanol and ethanol as entrainers for extraction, extraction pressure is 30MPa, temperature is 60℃, 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 Embodiment
[0032] Example three
[0033] A supercritical CO 2 The method of extracting krill oil is as follows:
[0034] (1) Selection: 300g of selected high-quality krill meat;
[0035] (2) Heating: Heat the selected krill meat in water, heating temperature is 85℃, heating time is 15min;
[0036] (3) Drying: dry the heated krill meat, the drying temperature is 75℃, and the drying time is 20min;
[0037] (4) Crushing treatment: crush the dried krill meat into krill powder;
[0038] (5) Extraction: Put the crushed krill powder into the extraction kettle, and use supercritical CO 2 It is the extraction agent, methanol and ethanol are the entrainers for extraction, the extraction pressure is 35MPa, the temperature is 70℃, and the 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] The present invention is a supercritical CO 2 The method of extracting krill oil ...
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