Process for producing shikimic acid
A production process, shikimic acid technology, applied in the field of shikimic acid production process, can solve the problems of complex process, large solvent consumption, low work efficiency, etc., achieve high content of active ingredients, reduce production cost, and improve work efficiency Effect
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Embodiment 1
[0022] 1500kg star anise dried fruit (shikimic acid content is 3.69%) is crushed to a particle size of 20-30 mesh and placed in a percolation tank. According to the mass ratio of material: water = 1:3, water is passed into the material and heated under normal pressure Soak the material at a temperature of 75°C for 1 hour, turn on the motor to circulate for 15 minutes, and then soak for 1 hour. Repeat this 5 times. After soaking and extracting for 7 hours, after concentrating the percolate in the internal circulation concentration tank, the specific gravity is 1.15, weight It is 45.7kg shikimic acid crude product extract.
[0023] 2. While hot, mix the crude extract of shikimic acid according to the ratio of materials: silica gel = 1:1, stir evenly, cool to dryness, and use it to load and inject samples through the chromatographic column.
[0024] 3 Put the cooled, dried and stirred silica gel samples on the upper ends of 6 chromatographic columns with an inner diameter of 40cm...
Embodiment 2
[0029] 150kg star anise dried fruit (content is 3.69%) is pulverized to the particle size of passing 20~30 mesh and is placed in the percolation tank, according to material: solvent=1: 3 mass ratio, water is passed in the material, and the water temperature is heated under normal pressure to Soak the material at 75°C for 1 hour, turn on the motor to circulate for 15 minutes, and then soak for 1 hour. Repeat this 5 times. After soaking and extracting for 7 hours, after concentrating the percolate in the internal circulation concentration tank, the specific gravity is 1.15 and the weight is 5.7kg. shikimic acid crude extract.
[0030] 2. While hot, mix the crude shikimic acid extract according to the ratio of material: silica gel = 1:1, stir evenly, cool to dryness, and use it to load and inject the sample through the chromatography column.
[0031] 3 Put the cooled, dried and stirred silica gel samples on the upper end of a chromatographic column with an inner diameter of 40cm,...
Embodiment 3
[0036] 1200kg star anise dried fruit (content is 3.69%) is pulverized to the particle size of passing 20~30 mesh and is placed in the percolation tank, presses material: solvent=1: 3 mass ratio, water is passed in the material, under normal pressure, heat water temperature to Soak the material at 75C for 1 hour, turn on the motor for 15 minutes, and then soak for 1 hour. Repeat this 5 times. After soaking and extracting for 7 hours, after concentrating the percolate in the internal circulation concentration tank, the specific gravity is 1.15 and the weight is 20.2kg. Crude shikimic acid extract.
[0037]2. While hot, mix the crude extract of shikimic acid according to the ratio of materials: silica gel = 1:1, stir evenly, cool to dryness, and use it to load and inject samples through the chromatographic column.
[0038] 3 Put the cooled, dried and stirred silica gel samples on the upper ends of three chromatographic columns with an inner diameter of 40cm, the sample thickness ...
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