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Combined supercritical and auxiliary microwave extraction process of separating effective bee glue components

An active ingredient, microwave-assisted technology, used in medical preparations containing active ingredients, separation methods, solvent extraction, etc., can solve problems such as organic solvent residues, and achieve the effect of efficient recovery

Inactive Publication Date: 2003-01-08
JIANGSU JIANGDAYUAN ECOLOGICAL BIOLOGICAL TECH
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  • Abstract
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Problems solved by technology

The advantage of this method is that the active ingredients are extracted more thoroughly, but the disadvantage is that there are organic solvent residues in both extracts

Method used

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  • Combined supercritical and auxiliary microwave extraction process of separating effective bee glue components
  • Combined supercritical and auxiliary microwave extraction process of separating effective bee glue components

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Embodiment Construction

[0009] The supercritical fluid extraction of the present invention is to first put the pulverized propolis into a 24-liter extraction kettle, and after the extraction solvent is filtered, cooled and liquefied, it is boosted to a set extraction pressure (8-40MPa) through a high-pressure pump, and then It is heated to the set extraction temperature (31-70°C) by a heat exchanger, and then sent to the extraction kettle to contact and dissolve with propolis. The extraction solvent and the extract enter the separation tank I together for the first-stage analysis. The analysis pressure is 5-15MPa and the temperature is 20-55°C. The extract I with a relatively large content of flavonoids is collected in the separation tank I; The solvent and the residual extract enter the separation tank II for second-stage analysis. The analysis pressure is 4-9MPa and the temperature is 20-55°C. Extract II rich in terpene compounds is obtained in the separation tank II. After the extract is analyzed,...

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Abstract

Firstly, CO2 or propane are used as solvent to make supercritical extraction of effective component of propolis, then ethyl alcohol or ethyl acetate or ethylene glycol and its aqueous solution are used as solvent to make microwave auxiliary extraction of residual effective component being in propolis. Said invention utilzies supercrilical CO2 extraction process to obtain almost complete terpenes compounds and 20-30% of flavone compound being in propolis which contains no organic solvent. Said invention utilizes microwave auxiliary extraction process to high-effectively recover residual effective component.

Description

Technical field [0001] The invention relates to the field of deep processing of natural products, in particular to a method for supercritical extraction combined with microwave-assisted extraction and separation of effective components of propolis. Background technique [0002] Propolis is a resinous substance collected by bees from the axillary buds or flower buds of new branches of glue source plants, mixed with the secretions of the palate glands and wax glands, and processed by bees repeatedly. Because propolis has significant anti-virus, antibacterial, anti-oxidation, lowering blood sugar, lowering blood fat, improving immunity and other medical and health effects, its development and utilization have been highly valued in recent years. The main active ingredients in propolis are polysaccharides, terpenes, and flavonoids. In the past, the methods of extracting active substances in propolis included water extraction and alcohol extraction. The products obtained by water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K35/644B01D11/00
Inventor 马海乐李国文骆琳
Owner JIANGSU JIANGDAYUAN ECOLOGICAL BIOLOGICAL TECH
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