Equipment and method for extracting biologically active ingredients from subcritical fluid

Abstract

The invention discloses equipment and a method for extracting biologically active ingredients from subcritical fluid, aims to solve the problems of low extraction efficiency and the like existing in the aspects of biologically active ingredient separation technology in the prior art and provides a set of subcritical equipment which comprises an extracting agent supply system, an entrainer supply system, an extraction system, a separation system, a solvent recycling system, a desolvation system, a heat supply system, a computer control system and the like, has high automatic control degree and is used for extracting the biologically active ingredients. Simultaneously, the invention also provides a new technological method for extracting the biologically active ingredients by adopting a subcritical extraction process. The method has the advantage of relatively low cost on the conventional extraction of an organic solvent, and the equipment has the characteristics of no solvent residue, no pollution, high bioactivity and the like in a product obtained by supercritical CO2 extraction technology and has the advantages of low investment on production equipment, high production efficiency within unit time, low energy consumption, flexible operation, high degree of automation and the like.

Description

technical field [0001] The invention relates to a device and method for extracting bioactive components. More specifically, the present invention relates to a device and method for extracting bioactive components from natural animal and plant resources by using subcritical fluid extraction technology. Background technique [0002] In recent years, with the improvement of people's living standards and the enhancement of the awareness of returning to nature, especially the in-depth research on the efficacy of bioactive ingredients in natural products, the extraction of active ingredients has become one of the research hotspots in this field. At present, while the demand for extracts of natural biological active ingredients in countries around the world is increasing year by year, more and more attention is paid to the quality, product stability and solvent residue of biological extracts from natural sources. Traditional steam distillation , Solvent extraction, pressing method...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the existing problems in the existing technology such as traditional solvent extraction, pressing method, distillation method, etc. to extract natural active ingredients, the solvent residues are high, the product quality is poor, the quality is unstable, the heat sensitivity, photosensitivity and other active ingredients are greatly lost, and the new In the existing supercritical fluid extraction technology, there are problems such as high equipment cost, large investment, low enterprise profit and difficulty in expanding development, and the existing subcritical fluid extraction technology has poor extraction selectivity, complex process operation, and low equipment utilization. Low efficiency, long production cycle, low extraction efficiency, especially the high content of active ingredients remaining in the raffinate residue, etc., the present invention provides a set of extractant supply system, entrainer supply system, extraction system, separation system , solvent recovery system, desolvation system, heating system, cooling system and computer control system, etc., are subcritical fluid extraction equipment for extracting biologically active components with a high degree of automation control. Any solvent for fluid extraction process, such as 1,1,1,2-tetrafluoroethane (R134a), CO 2 , propane, etc., the entraining agents involved include CO 2 , 1,1,1,2-tetrafluoroethane (R134a), ethanol, ethyl acetate, n-hexane, acetone, etc., including one or more solvents, the extraction solvent and entrainer used Can be selected and exchanged within the above solvent range