Method for producing crocin with higher than 95% purity from gardenia
A technology of saffron and gardenia, which is applied in the direction of chemical instruments and methods, sugar derivatives, sugar derivatives, etc., can solve the problems affecting the application of saffron active substances and the difficulty of realizing industrial production, etc., achieve low cost and improve column efficiency , the effect of improving the chromatography efficiency
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[0021] Example 1:
[0022] 1. Extraction: crush 1 kg of dried gardenia fruits to 10-40 mesh, soak in 8-15 kg of pure water at room temperature for 1 hour, then percolate at an appropriate flow rate, share 25-35 kg of pure water for extraction, 4 After 8 hours of percolation and extraction, extract A was obtained.
[0023] 2. Microfiltration: Pass the extract A through a 0.2-1 micron ceramic membrane to obtain a clear filtrate B.
[0024] 3. Sample adsorption: use 3 sections of ZT-02 macroporous adsorption resin column, each section of 70ml, the clarified filtrate B is first adsorbed on the first section of the column, when the effluent is reddish, in the first section of the column Connect the second column to the end, and continue to adsorb until the effluent of the second column is reddish, string the third column C at the end of the second column, until the effluent of column C is reddish, remove column C . Re-attach column D to the end of the second section of the column, foll...
Example Embodiment
[0028] Example 2:
[0029] 1. Extraction: crush 10 kg of dried gardenia fruits to 10-40 mesh, soak in 80-150 kg of pure water at room temperature for 1 hour, then percolate at an appropriate flow rate, share 250-350 kg of pure water for extraction, 4 After 8 hours of percolation and extraction, extract A was obtained.
[0030] 2. Microfiltration: Pass the extract A through a 0.2-1 micron ceramic membrane to obtain a clear filtrate B.
[0031] 3. Sample adsorption: use 3 sections of ZT-02 macroporous adsorption resin column, each section of 1000ml, the clarified filtrate B is first adsorbed on the first section of the column, until the effluent is reddish, in the first section of the column Connect the second column to the end, and continue to adsorb until the effluent of the second column is reddish, string the third column C at the end of the second column, until the effluent of column C is reddish, remove column C . Re-attach column D to the end of the second section of the colu...
Example Embodiment
[0035] Example 3:
[0036] 1. Extraction: crush 100 kg of dried gardenia fruits to 10-40 mesh, soak in 800-1500 kg of pure water at room temperature for 1 hour, then percolate at an appropriate flow rate, share 2500-3500 kg of pure water for extraction, 4 After 8 hours of percolation and extraction, extract A was obtained.
[0037] 2. Microfiltration: Pass the extract A through a 0.2-1 micron ceramic membrane to obtain a clear filtrate B.
[0038] 3. Sample adsorption: use 3 sections of ZT-02 macroporous adsorption resin column, each section of 10 liters, the clarified filtrate B is first adsorbed on the first section of the column, until the effluent is reddish, in the first section of the column Connect the second column to the end, and continue to adsorb until the effluent of the second column is reddish, string the third column C at the end of the second column, until the effluent of column C is reddish, remove column C . Re-attach column D to the end of the second section of ...
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