Method for extracting and separating xanthohumol and flavone compounds

Abstract

The invention relates to a method for extracting and separating xanthohumol and flavone compounds. The method comprises the following steps of: leaching hops and a supercritical CO2 extraction residue thereof with an alcohol solution to ensure that flavone compounds, particularly xanthohumol, are sufficiently dissolved out; filtering to obtain a filter liquor after leaching, and decompressing anddistilling the filter liquor to obtain a concentrated liquor; centrifuging the concentrated liquor, taking an obtained supernate, and filtering by using a 0.45muL of organic film; removing partial impurities, and eluting with an eluant to elute the flavone compounds from macroporous adsorption resin; collecting effluent liquid and concentrating; and freezing and drying to obtain yellow powder. In the invention, the hops, the supercritical CO2 extraction residue, and the like are used as raw materials, particularly, a waste material which is the supercritical CO2 hop extract extraction residuein a hop product processing process is used as the raw material, thus the xanthohumol which has the main efficacy and is difficult to separate is independently extracted, and other flavone compounds rich in the hop waste material are also extracted; and the invention also provides a development approach for hops which cannot be used for beer brewing, thereby improving the resource utilization ratio and the added value of the hops and having important significance to prolonging the hop industrial chain.

Description

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AI Technical Summary

Benefits of technology

This technology uses an affinity agent called Van Der waal's or ultra-peripheril gel containing certain chemical substances like Xanthoquinone A, quercetagetine B1, catharoside L2, glycyrrhizin G4) attached onto porous silica particles with large openings such as those found at high altitudes. These materials are designed specifically to attract small molecules into their structure when exposed to air under pressure. By applying this property they have potential applications in various fields including environmental remediation, medical diagnosis, drug discovery research, food science, biology, chemistry, agriculture, forestry, water treatment, energy production, transportation, environment protection, and others related areas.

Problems solved by technology

This patented describes different ways to isolate specific molecules called Xanthoferritans, including beta hemispherechiloclavones, lycopene, citrower' s acid polysulfonides, quercitaxanes, lutasteroids, taurine, pigment sterility dyes like chlorophyll hexadiense, α-,β-cryptochymalus, yakithalite, thaumma bean germ oils, caffeic acid esters, hydroxyproline, dehydrogentapy agents, amino acids, protease preparations, and nutrients derived therefrom. These techniques help improve the quality and yield of these chemical compositions obtained during traditional processes involving heat treatment and evaporation/distilling.