Method for preparing ostrich oil
A technology of ostrich oil and ostrich, which is applied in the production of fat oil/fat, medical raw materials from birds, and fat production, can solve the problems of little research on ostrich oil extraction and processing technology, and achieve the production process of green environmental protection and production time. The effect of short, simple preparation method
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Embodiment 1
[0019] Put 200g of minced meat-like ostrich fat into the barrel of the supercritical extraction device (HA220-50-06 type), and then put it into a 1L extraction kettle. After carefully checking the extraction system, turn on the CO 2 Cylinder, through the condenser fresh CO 2 Liquefaction, liquid CO 2 Through the high-pressure pump, mixer and heat exchanger into a supercritical fluid, the entire extraction system is replaced by CO 2 Replace and fill. Set the extraction unit CO 2 The flow rate is 20L / h; the extraction pressure is 15-20MPa and the temperature is 36-40°C; the pressure of separator 1 is 8MPa and the temperature is 35°C; the pressure of separator 2 is 6MPa and the temperature is 40°C. Continuous dynamic extraction for 2 hours, during which the white oily extraction product was often collected from the outlet at the bottom of the separator. Weigh the extract, a total of 74g, and the extraction rate is 37.0%.
Embodiment 2
[0021] With reference to Example 1, 200g minced meat-like ostrich fat is put into a 1L extraction kettle, and the whole extraction system is heated with CO 2 Replace and fill. Set the extraction unit CO 2 The flow rate is 20L / h, and the co-solvent ethanol flow rate is 0.5L / h; the pressure of the extraction kettle is 15-20MPa, and the temperature is 40-45°C; the pressure of separator 1 is 8MPa, and the temperature is 35°C; the pressure of separator 2 is 6MPa, and the temperature is 40°C. Continuous dynamic extraction for 2 hours, during which the liquid extraction product was often collected from the outlet at the bottom of the separator. The product was collected, ethanol in the product was removed, and dried to obtain 86 g of extract product with an extraction rate of 43.0%. Compared with Example 1, the extraction rate improves, but the product color index decreases.
Embodiment 3
[0023] With reference to Example 1, 200g minced meat-like ostrich fat is put into a 1L extraction kettle, and the whole extraction system is heated with CO 2 Replace and fill. Set the extraction unit CO 2 The flow rate is 20L / h; the extraction pressure is 25-30MPa and the temperature is 50-55°C; the pressure of separator 1 is 8MPa and the temperature is 50°C; the pressure of separator 2 is 6MPa and the temperature is 55°C. The continuous dynamic extraction was carried out for 3 hours, during which the oily extraction product was often collected from the outlet at the bottom of the separator. Weigh the extract, a total of 101g, and the extraction rate is 50.5%. Compared with Example 1, the extraction rate improves, but the product color index decreases.
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