Method for extracting and separating curcumin and curcuma oil from carcuma longa
A technology for separating curcumin and turmeric oil, which is applied in the separation/purification of carbonyl compounds, fat oil/fat production, fat oil/fat refining, etc. It can solve the problems of not being suitable for large-scale industrial production, complicated process, and low extraction efficiency
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Embodiment 1
[0037] Turmeric is pulverized into 80 order turmeric powder;
[0038]Get turmeric powder 3000kg, adopt dynamic countercurrent extraction equipment to extract described turmeric powder, the concentration of ethanol aqueous solution is 95% (v / v), feed liquid 1000 liters / hour, turmeric powder feed 200 kilograms / hour, extract The temperature is 30°C, the extract is filtered with a 10-micron ceramic membrane, and the filtrate is concentrated to 1 / 4 of the amount at a vacuum of -0.08Mpa and a temperature of 80°C to obtain a concentrate;
[0039] Add vegetable oil extraction solvent of 2 times the volume of the concentrated solution to the concentrated solution, stir for 30 minutes, let stand for stratification, separate the lower layer liquid and treat it again with the vegetable oil extraction solvent, separate the lower layer liquid and place it for sufficient crystallization, filter , washing, drying to obtain curcumin 35kg, content 94%; filtrate concentration obtains turmeric ol...
Embodiment 2
[0043] Turmeric is pulverized into 80 order turmeric powder;
[0044] Get turmeric powder 3000kg, adopt dynamic countercurrent extraction equipment to extract described turmeric powder, the concentration of ethanol aqueous solution is 93% (v / v), feed liquid 1200 liters / hour, turmeric powder feed 200 kilograms / hour, extract The temperature is 40°C, the extract is filtered with a 10-micron ceramic membrane, and the filtrate is concentrated to 1 / 3 of the amount at a vacuum of -0.08Mpa and a temperature of 80°C to obtain a concentrate;
[0045] Add vegetable oil extraction solvent of 2.5 times the volume of the concentrated solution to the concentrated solution, stir for 30 minutes, let stand for stratification, separate the lower layer liquid and treat it again with the vegetable oil extraction solvent, separate the lower layer liquid and place it for sufficient crystallization, filter , washing, drying to obtain curcumin 35.8kg, content 94.3%; filtrate concentration obtains turm...
Embodiment 3
[0049] Turmeric is pulverized into 80 order turmeric powder;
[0050] Get turmeric powder 3000kg, adopt dynamic countercurrent extraction equipment to extract described turmeric powder, the concentration of ethanol aqueous solution is 90% (v / v), feed liquid 1100 liters / hour, turmeric powder feed 200 kilograms / hour, extract The temperature is 50°C, the extract is filtered with a 10-micron ceramic membrane, and the filtrate is concentrated to 1 / 3 of the amount at a vacuum of -0.08Mpa and a temperature of 80°C to obtain a concentrate;
[0051] Add vegetable oil extraction solvent of 2.5 times the volume of the concentrated solution to the concentrated solution, stir for 30 minutes, let stand for stratification, separate the lower layer liquid and treat it again with the vegetable oil extraction solvent, separate the lower layer liquid and place it for sufficient crystallization, filter , washing, drying to obtain curcumin 37.2kg, content 92.5%; filtrate concentration obtains turm...
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