Method for continuously extracting eucommia oil and aucuboside from eucommia seed
A technology of aucubin and Eucommia oil, which is applied in the direction of fat oil/fat production and fat production, can solve the problems of residual solvents in oil products, low product yield, turbid oil color, etc., and achieves the improvement of comprehensive utilization rate and extraction The method is simple and the effect of increasing economic value
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[0008] 1. Extraction of high linolenic acid Eucommia oil
[0009] Pass the shelled and pulverized eucommia kernel powder through a 30-mesh sieve, dry the sieved powder at 60-90°C, and then use high-purity supercritical pure CO with a pressure value of 35Mpa and a flow rate of 2500ml / min at a temperature of 80°C. 2 After extracting for 2 hours, the extract is decompressed and separated on a separation column to obtain light yellow and clear eucommia oil, the yield of eucommia oil is 20%-30%, and the content of linolenic acid is 60%-65%.
[0010] 2. Extraction of aucubin
[0011] Extract 20 kg of eucommia oil dregs with water, 20% to 80% methanol or ethanol for 3 times at a temperature of 50 to 90° C., concentrate the extract under reduced pressure to 1 / 5 of the volume of the extract, and pass the concentrated solution through Activated carbon is decolorized for 40 minutes and separated on a macroporous resin (such as D4020, D201, s-8, etc.) The yield of phyllobulin is 0.6% to...
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