Supercritical fluid extraction of Lycium barbarum seed oil
The steps are as follows:
1. Dried Lycium barbarum seeds were dried or dried to get dried Lycium barbarum seeds.
2. Dry Lycium barbarum seed and extractant were injected into the extractor of the supercritical fluid extraction unit for 1~20 times, according to the mass volume ratio of 1 to 1~1: 20, according to the mass ratio of material to solution, 10 times to 150min each time, and the extract was obtained.
3. Extraction solution was obtained by separating the extract with the separation pressure of 0.10 ~ 1.95MPa and the separation temperature of 10~90 C by the method of reducing the temperature.
4.Extraction solution is removed from the solvent, that is, the Lycium barbarum seed oil is obtained. This method not only reduces production cost, shorten the extraction time, the amount of energy consumption and solvent consumption in the process of reduction, and simple process, strong operability, high extraction efficiency, environmental protection, no pollution, safety and good repeatability and can realize continuous production of large-scale industrialization.