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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

Inactive Publication Date: 2015-12-30
JIANGSU JIANGDAYUAN ECOLOGICAL BIOLOGICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the invention is to provide a supercritical CO 2 The method for extracting krill oil solves the problem that the krill oil extraction method in the prior art has complex extraction process steps, high components, and cannot meet the needs of manufacturers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

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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Abstract

The invention provides a method of extracting krill oil by supercritical CO2. The method comprising the steps of carefully selecting 100 to 300 parts of high quality krill meat; putting the well-selected high quality drill meat into water for heating, wherein the heating temperature is 55 to 85 DEG C, and the heating time is 5 to 15min; performing drying treatment on the heated krill meat, the drying temperature is 55 to 75 DEG C, and the drying time is 10 to 20min; smashing the dried krill meat into krill powder; putting the smashed krill powder into an extraction kettle, taking the supercritical CO2 as an extraction agent and taking methyl alcohol and ethyl alcohol as an entrainer, performing extraction, and the krill oil is obtained after extracting for 1 to 3 hours; the reaction of the supercritical CO2 and the krill powder is more perfect, the adding proportion of the methyl alcohol and the ethyl alcohol of the entrainer is 2 to 1 and the extraction rate is increased, the solubility and the selectivity of the supercritical CO2 are improved, the work efficiency is improved, and the method of extracting krill oil by the supercritical CO2 is suitable for large-scale industrialized production, simple in extraction method and extraction process step, easy to operate, low in component, and the extracted krill oil can meet the requirements of manufacturers.

Description

technical field [0001] The invention relates to the technical field of krill oil, in particular to a supercritical CO 2 A method of extracting krill oil. Background technique [0002] Krill is the organism with the highest protein content that people have discovered today, with a protein content of more than 50%, and it also contains extremely rich amino acids and vitamin A necessary for human tissues. It is a natural healthy food gifted by nature to human beings, and it contains functions that other foods cannot replace. Krill oil contains the Omega-3 essential fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Omega-3 essential fatty acids have many health-promoting benefits, including cardiovascular, nerve, bone and joint, vision, skin health and more. In the existing krill oil extraction technology, krill oil is directly extracted from frozen shrimp. One extraction method is to remove water first, and then extract krill oil. This method has a low ...

Claims

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Application Information

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IPC IPC(8): C11B1/02C11B1/10
Inventor 毛日文邵兴军朱惠芬
Owner JIANGSU JIANGDAYUAN ECOLOGICAL BIOLOGICAL TECH
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