Preparation method of high content conjugated linoleic acid by using safflower oil as raw material
A technology of conjugated linoleic acid and safflower seed oil, which is applied in the fields of carboxylate preparation, separation/purification of carboxylic acid compounds, organic chemistry, etc., and can solve problems such as difficult separation and purification, high reaction temperature, and long reaction time , to achieve the effects of short preparation time, low preparation cost and simple preparation method
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Embodiment 1
[0019] The invention provides a technical solution: a method for preparing high-content conjugated linoleic acid from safflower seed oil, comprising the following steps:
[0020] A. Select fresh safflower seeds, wash them and dry them in the sun, then put them into a high-temperature sterilization box for high-temperature sterilization. Nitrogen gas is introduced during the sterilization process, and the nitrogen flow rate is 20ml / min. The sterilization temperature is 120°C. Bacteria time is 10min;
[0021] B. Put the safflower seeds after high-temperature sterilization in step A into an extruder and squeeze them. The speed of the extruder is 200 rpm, the pressing temperature is 50°C, and the pressing time is 5 minutes. Afterwards, the semi-finished oil of safflower seeds is refined Filter, filter continuously 3 times, remove filter residue and supernatant after filtering, obtain safflower seed oil;
[0022] C. Add the safflower seed oil obtained in step B into the reaction k...
Embodiment 2
[0030] The invention provides a technical solution: a method for preparing high-content conjugated linoleic acid from safflower seed oil, comprising the following steps:
[0031] A. Select fresh safflower seeds, wash them and dry them in the sun, then put them into a high-temperature sterilization box for high-temperature sterilization. During the sterilization process, nitrogen gas is introduced, and the nitrogen flow rate is 50ml / min. The sterilization temperature is 150°C. Bacteria time is 20min;
[0032] B. Put the safflower seeds after high-temperature sterilization in step A into an extruder to squeeze. The speed of the extruder is 500 rpm, the pressing temperature is 60°C, and the pressing time is 10 minutes. Afterwards, the safflower seed semi-finished oil is refined Filter, filter continuously 3-5 times, remove filter residue and supernatant after filtering, obtain safflower seed oil;
[0033] C. Add the safflower seed oil obtained in step B into the reaction kettle,...
Embodiment 3
[0041] The invention provides a technical solution: a method for preparing high-content conjugated linoleic acid from safflower seed oil, comprising the following steps:
[0042] A. Select fresh safflower seeds, wash and dry them, and then put them into a high-temperature sterilization box for high-temperature sterilization. Nitrogen gas is introduced during the sterilization process, and the nitrogen flow rate is 30ml / min. The sterilization temperature is 130°C. Bacteria time is 12min;
[0043] B. Put the safflower seeds after high-temperature sterilization in step A into an extruder and squeeze them. The speed of the extruder is 300 rpm, the pressing temperature is 52°C, and the pressing time is 6 minutes. Afterwards, the semi-finished oil of safflower seeds is refined Filter, filter continuously 5 times, remove filter residue and supernatant after filtering, obtain safflower seed oil;
[0044] C. Add the safflower seed oil obtained in step B into the reaction kettle, and a...
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