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Method for continuous phase change extraction of ganoderma lucidum polysaccharide, and method for evaluating extraction process based on online conductivity.

A technology of Ganoderma lucidum polysaccharide and electrical conductivity, applied in solvent extraction, separation method, solid solvent extraction and other directions, can solve the problems of low time consumption and efficiency, and achieve the effects of low cost, shortened extraction time, broad application prospects and advantages

Active Publication Date: 2020-02-21
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the rapid and on-line monitoring method of conductivity can be introduced in the field of extraction technology, it can not only overcome the time-consuming and low-efficiency limitations of traditional extraction and detection methods, but also predict the solid content and polysaccharide content by testing the conductivity of the extraction solution. , which is conducive to improving the control level in the extraction process of Ganoderma lucidum polysaccharides, which has important scientific value and application prospects

Method used

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  • Method for continuous phase change extraction of ganoderma lucidum polysaccharide, and method for evaluating extraction process based on online conductivity.
  • Method for continuous phase change extraction of ganoderma lucidum polysaccharide, and method for evaluating extraction process based on online conductivity.
  • Method for continuous phase change extraction of ganoderma lucidum polysaccharide, and method for evaluating extraction process based on online conductivity.

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Effect test

Embodiment 1

[0052] Example 1 A comparison between continuous phase change extraction of Ganoderma lucidum polysaccharides and hot water extraction of Ganoderma lucidum polysaccharides

[0053] 1. Continuous Phase Change Extraction Method of Ganoderma lucidum polysaccharide

[0054] (1) Dry the dried ganoderma lucidum in block form at a temperature of 55° C., control the moisture content at 10%, and pulverize it to 10 meshes (the sieve aperture is 2 mm), so as to obtain the ganoderma lucidum powder;

[0055] (2) Add 2000g of Ganoderma lucidum powder into a 20L extraction kettle, set the extraction temperature to 100°C, extraction pressure to 0.10MPa, extraction flow rate to 60L / h, inject pure water into the extraction kettle, and extract continuously for 240min;

[0056] (3) After the extraction is completed, the extract flows through the desorption kettle, the desorption temperature is set at 75°C, and the desorption pressure is -0.08MPa. The polysaccharide extract of Ganoderma lucidum is...

Embodiment 2

[0067] Example 2 Research on Continuous Phase Change Extraction of Ganoderma lucidum Polysaccharide Method

[0068] According to the characteristics of ganoderma lucidum raw materials, the present invention continuously analyzes and determines and adjusts the technological conditions. Follow the steps below:

[0069] (1) drying the dried ganoderma lucidum in block form at a temperature of 55° C., controlling the moisture content to 10%, and pulverizing it to an appropriate mesh size to obtain a ganoderma lucidum powder;

[0070] (2) Add an appropriate amount of Ganoderma lucidum powder into a 20L extraction kettle, determine the extraction pressure to be 0.10MPa, set the extraction temperature and extraction flow rate, inject pure water into the extraction kettle, and continue extracting for a certain period of time;

[0071] (3) After the extraction is completed, the extract flows through the desorption kettle, the desorption temperature is set at 75°C, and the desorption pr...

Embodiment 3

[0080] Embodiment 3 A kind of method of continuous phase change extraction Ganoderma lucidum polysaccharide

[0081] (1) Dry the dried ganoderma lucidum in block form at a temperature of 55° C., control the moisture content at 13%, and pulverize it to 20 mesh (the sieve aperture is 1 mm), so as to obtain the ganoderma lucidum powder;

[0082] (2) Add 2000g of Ganoderma lucidum powder into a 20L extraction kettle, set the extraction temperature at 80°C, pressure of 0.10MPa, and extraction flow rate of 40L / h, inject three-grade pure water with a pH of 7.0 into the extraction kettle, and extract continuously for 240min; control the Ganoderma lucidum powder The solid-liquid ratio with the extractant is 1:30g / mL;

[0083] (3) After the extraction is completed, the extract flows through the analysis kettle, the analysis temperature is set at 75°C, and the analysis pressure is 0.08MPa. After the extraction is completed, the Ganoderma lucidum polysaccharide extract is released in the ...

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Abstract

The invention discloses a method for continuous phase change extraction of ganoderma lucidum polysaccharide, and a method for evaluating the extraction process based on online conductivity. The methodfor continuous phase change extraction of ganoderma lucidum polysaccharide comprises: drying dried blocky ganoderma lucidum, crushing, and sieving by using a sieve mesh with a pore size of 1-8 mm toobtain ganoderma lucidum powder; and continuously extracting for 60-300 min at an extraction temperature of 60-100 DEG C under an extraction pressure of 0.02-0.20 MPa at an extraction flow rate of 20-100 L / h according to a solid-liquid ratio of 1:10-100 g / mL to obtain an extraction liquid. According to the invention, compared with the traditional hot water leashing method, the method of the invention has the following advantages that the ganoderma lucidum polysaccharide extraction rate is increased by 10-30%, and the extraction time is shortened by 40%-60%; and by combining the conductivity online monitoring system and the continuous phase change extraction technology, the conductivity of the extraction liquid can be effectively determined, so that the new method is provided for extract quality control and online monitoring of extract separation and preparation.

Description

technical field [0001] The invention belongs to the technical field of extraction and separation. More specifically, it relates to a method for continuous phase change extraction of Ganoderma lucidum polysaccharides and a method for evaluating its extraction process based on online conductivity. Background technique [0002] Ganoderma lucidum is a kind of large fungus, which belongs to Basidiomycetes, Polyporaceae, Polyporaceae, and Ganoderma genus in fungal classification. There are many active components in Ganoderma lucidum and their composition is complex. Currently, more than 150 compounds have been isolated, mainly including Polysaccharides, triterpenoids, sterols, alkaloids, furan derivatives, aminopeptides, and inorganic elements. Among them, Ganoderma lucidum polysaccharide is one of the important chemical components of Ganoderma lucidum. So far, more than 200 polysaccharides (peptides) have been isolated from Ganoderma lucidum. Studies on its chemical structure an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/00B01D11/02
CPCB01D11/02B01D11/0288C08B37/0003
Inventor 曹庸张军段杉杜洁戴伟杰全丽金
Owner SOUTH CHINA AGRI UNIV
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