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Device and method for foam separation of polysaccharides in Polyporus polysaccharide extract

A technology for foam separation and polysaccharide polysaccharide, which is applied in the chemical industry and can solve the problems of large consumption of ethanol and increased energy consumption.

Inactive Publication Date: 2011-12-14
SHAANXI UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] At present, ethanol precipitation method (i.e. alcohol analysis method) is mostly used for the separation of polysaccharides. This method has the advantages of stable operation and no change in the structure of polysaccharides, but its biggest disadvantage is that the consumption of ethanol is too large. Analysis process, although the amount of ethanol can be reduced, but the energy consumption is increased
The foam separation method has been applied in the separation of natural products due to its simple separation process, short process, less time-consuming, economical and practical, but it has not been reported in the separation of polysaccharides.

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  • Device and method for foam separation of polysaccharides in Polyporus polysaccharide extract
  • Device and method for foam separation of polysaccharides in Polyporus polysaccharide extract

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Embodiment Construction

[0013] The present invention will be described in detail below in conjunction with specific embodiments.

[0014] 1. Extraction of Polyporus polysaccharide

[0015] After drying and pulverizing the Polyporus polysaccharides, the Polyporus polysaccharides were extracted according to the extraction time of 5 minutes, temperature of 75°C, solid-liquid ratio (solid material: distilled water) 1:20 (g / ml), pH=9, and microwave power of 400W; The mixture was centrifuged to remove the residue, and the extract was used for later use.

[0016] 2. Preparation of crude polysaccharide

[0017] The present invention adopts the intermittent foam separation method to separate polysaccharides in the extract, and the device includes a foam separation tower 1, an air supply system (comprising an air compressor 5 and a rotameter 3), and a foam collector 2.

[0018] Foam separation tower 1 can adopt internal diameter to be 0.12m, the plexiglass column of height 1.3m;

[0019] The foam separation...

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Abstract

The invention discloses a device and a method for extracting polysaccharides from agaric polysaccharide extracting solution by foam fractionation. The device comprises a foam fractionation tower, an air supply system and a foam collector, wherein the foam fractionation tower comprises a bubbling area, a foam area and a foam collection elbow pipe; and an air distributor is arranged at the bottom of the foam fractionation tower. By the device and the process, the defects of long concentration time of the extracting solution, more energy consumption and large using amount of ethanol in the conventional process for extracting and separating the polysaccharides are overcome.

Description

technical field [0001] The invention relates to a device and method for foam-separating polysaccharides in Polyporus polysaccharide extract, belonging to the technical field of chemical industry. Background technique [0002] Foam fractionation, also known as air-stripping, is a technology that uses the difference in adsorption properties of substances on the surface of bubbles to separate. It was first used in the flotation separation of minerals. In recent years, it has also been widely used in the separation of many insoluble and soluble substances, such as metal cations, anions, proteins, dyes, active ingredients in Chinese herbal medicines, etc. in solution. Its biggest advantage is that it is particularly effective at low concentrations, so it is suitable for the separation and recovery of low-concentration components in solutions. [0003] Polysaccharides are another important biological macromolecule in addition to proteins and nucleic acids in organisms. They have ...

Claims

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Application Information

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IPC IPC(8): C08B37/00
Inventor 李志洲刘军海葛红光
Owner SHAANXI UNIV OF TECH
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