A kind of preparation method and application of medicinal compound plant fatty acid magnesium
The technology of magnesium fatty acid and plant is applied in the field of preparation of medicinal compound plant magnesium fatty acid, which can solve the problems of low magnesium content and inability to meet the needs of popularization and application, and achieves the effects of excellent performance, good brittleness and high efficiency
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[0025] In an embodiment, the preparation method of the medicinal compound plant fatty acid magnesium comprises the following steps:
[0026] S1: Pass nitrogen to the reaction kettle to exhaust oxygen, increase the nitrogen flow rate to 1-1.4L / min when exhausting oxygen, reduce the nitrogen flow rate to 0.1-0.2L / min after exhausting oxygen, and add 25- 32g of polyethylene glycol 200, 406-478g of linolenic acid, stirred and heated to 60-76°C at a rotation speed of 300-400r / min, to obtain the heated mixture A;
[0027] S2: Add 48-60 g of magnesium oxide powder to the mixture A prepared in step S1, and stir for 5-8 minutes at a rotation speed of 400-500 r / min to prepare a mixture B;
[0028] S3: Heat the mixture B prepared in step S2 to 115-123°C at a microwave power of 360-450W, add 40-50g of water and 16-23g of succinic anhydride, keep the microwave power and temperature constant, and increase the speed to Stir the reaction at 600-700r / min for 28-32min to prepare the reactant; ...
Embodiment 1
[0032] A preparation method of medicinal compound plant fatty acid magnesium, comprising the following steps:
[0033] S1: Pass nitrogen to the reactor to exhaust oxygen, increase the nitrogen flow to 1.2L / min when oxygen is exhausted, after the oxygen is exhausted, reduce the nitrogen flow to 0.1L / min, add 30g of polyethylene glycol 200 under the protection of nitrogen , 445g of linolenic acid, stirred and heated to 72°C at a rotating speed of 400r / min to obtain heated mixture A;
[0034] S2: Add 56 g of magnesium oxide powder to the mixture A prepared in step S1, and stir for 5 minutes at a rotation speed of 500 r / min to prepare a mixture B;
[0035] S3: Heat the mixture B prepared in step S2 to 120°C at a microwave power of 450W, add 46g of water and 20g of succinic anhydride, keep the microwave power and temperature constant, increase the rotation speed to 700r / min and stir for 28min, produce reactants;
[0036] S4: Filtering, dehydrating, and recovering succinic acid an...
Embodiment 2
[0038] A preparation method of medicinal compound plant fatty acid magnesium, comprising the following steps:
[0039] S1: Pass nitrogen to the reactor to exhaust oxygen, increase the nitrogen flow rate to 1L / min when exhausting oxygen, reduce the nitrogen flow rate to 0.1L / min after exhausting oxygen, add 26g polyethylene glycol 200, 410g of linolenic acid was stirred and heated to 62°C at a rotating speed of 300r / min to obtain heated mixture A;
[0040] S2: Add 50 g of magnesium oxide powder to the mixture A prepared in step S1, and stir for 8 minutes at a rotation speed of 400 r / min to prepare a mixture B;
[0041] S3: Heat the mixture B prepared in step S2 to 116°C at a microwave power of 380W, add 42g of water and 17g of succinic anhydride, keep the microwave power and temperature constant, increase the rotation speed to 600r / min and stir for 32min, produce reactants;
[0042] S4: Filtering, dehydrating, and recovering succinic acid and polyethylene glycol 200 from the ...
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Abstract
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