A method for dynamic circulation and on-line monitoring ultrasound-assisted extraction of biologically active substances

A technology of biologically active substances, ultrasonic-assisted extraction, applied in separation methods, chemical instruments and methods, solvent extraction, etc. The effect of reducing the amount of reagents and raw materials, and reducing the dependence

Active Publication Date: 2021-04-23
SHAANXI NORMAL UNIV
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Problems solved by technology

However, ultrasonic-assisted extraction also has some obvious disadvantages. It usually requires continuous work, consumes a large amount of solvent and raw materials, and needs to be filtered and concentrated after extraction, which consumes a lot of energy. In addition, ultrasonic treatment usually They are all carried out in a static and open environment, and the solvent volatilization is serious. After the extract is directly exposed to the air, it is prone to oxidation and changes, which will affect the quality of the extract. Therefore, how to use modern technology to build different components into an integrated dynamic cycle ultrasonic assisted extraction Coupling online monitoring equipment is particularly critical to solving the above problems

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  • A method for dynamic circulation and on-line monitoring ultrasound-assisted extraction of biologically active substances
  • A method for dynamic circulation and on-line monitoring ultrasound-assisted extraction of biologically active substances
  • A method for dynamic circulation and on-line monitoring ultrasound-assisted extraction of biologically active substances

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Embodiment Construction

[0032]The technical solutions of the present invention will now be further described in conjunction with the drawings and embodiments, but the present invention is not limited to the following implementation situations.

[0033] see figure 1 , the method of dynamic circulation and on-line monitoring ultrasound-assisted extraction of bioactive substances of the present invention can be realized by the following system:

[0034] The system includes an extraction tube 1, an ultrasonic treatment pool 2, a first diverter valve 3, an ultraviolet-visible spectrophotometer 4, a chromatographic analyzer 5, a second diverter valve 8, a peristaltic pump 6, a temperature sensor 9 and a master controller 7, Wherein, the extraction tube 1 includes a tube body, a screw cap, a filter screen and a pipe joint. The tube body adopts a chromatographic glass column, and screw caps are respectively installed at both ends of the tube body, and there are interspersed holes on the screw cap that can co...

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Abstract

The invention belongs to the extraction technology of natural active substances, and in particular relates to a method for dynamic circulation and on-line monitoring ultrasound-assisted extraction of biological active substances. The specific steps of the method include: (1) filling solvents in extraction pipes and pipelines; (2) Ultrasonic treatment; (3) monitoring the extraction situation; (4) completing the extraction of biologically active substances. The dynamic cycle ultrasonic-assisted extraction and on-line monitoring coupling method provided by the present invention is carried out in a closed system, which can effectively prevent oxidation or material volatilization, has high extraction efficiency of biologically active substances, and can be used to extract biologically active substances such as polyphenols, Flavonoids, polysaccharides or anthocyanins.

Description

technical field [0001] The invention belongs to the extraction technology of natural active substances, in particular to a method for dynamic circulation and on-line monitoring ultrasound-assisted extraction of biological active substances. Background technique [0002] In recent years, the research on natural active substances has attracted more and more researchers' interest and attention, especially the extraction. However, different extraction solvents and methods directly affect the composition, content and activity of the extract. Therefore, based on the understanding of this importance, extraction has become a key step in the research and development of functional foods. [0003] Generally speaking, the extraction methods of substances can be divided into two categories: [0004] One is the solvent extraction method, the basic principle of which is to select a solvent with high solubility for active ingredients and low solubility for ineffective ingredients according...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D11/02C08B37/00
CPCB01D11/0207B01D11/0265C08B37/0003
Inventor 张清安范学辉刘梅
Owner SHAANXI NORMAL UNIV
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