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Burdock inulin and its preparing method

A technology of burdock inulin and inulin, applied in the field of burdock inulin and its preparation

Inactive Publication Date: 2006-08-02
THE FIRST INST OF OCEANOGRAPHY SOA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no public report on the preparation of burdock inulin and the technology of extracting inulin from low-cost burdock root.

Method used

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  • Burdock inulin and its preparing method
  • Burdock inulin and its preparing method
  • Burdock inulin and its preparing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Take fresh burdock root, wash it with tap water, dry it naturally, cut it into thin slices with uniform size and thickness by hand or with a slicer, dry it in an oven at 60°C, and crush it mechanically to about 40 meshes to become dry burdock powder, which is weighed for later use.

[0041] Extract the burdock powder with 10 times the volume of hot water at a constant temperature of 80°C. Filter after each extraction, use a double-layer filter cloth for initial filtration, and then filter the filtrate with a Buchner funnel to completely separate the residue (burdock residue is used to extract dietary fiber) and extract, and combine the extract. Put the acidified (pH=4) macroporous adsorption resin (3250 resin or resin of other specifications) into a chromatographic column (Φ3.5×50cm or other specifications), equilibrate with deionized water, and extract The liquid flows through the resin bed at a certain flow rate to elute small molecular impurities and decolorize, rece...

Embodiment 2

[0043] Take fresh burdock root, wash it with tap water, dry it naturally, cut it into thin slices with uniform size and thickness manually or with a slicer, oven dry at 50°C, and mechanically crush it to about 40 meshes to become dry burdock powder, which is weighed for later use.

[0044] Extract the burdock powder with 15 times the volume of hot water at a constant temperature of 85°C. Filter after each extraction, use a double-layer filter cloth for initial filtration, and then filter the filtrate with a Buchner funnel to completely separate the residue (burdock residue is used to extract dietary fiber) and extract, and combine the extract. Put the acidified (pH=4) macroporous adsorption resin (3250 resin or resin of other specifications) into a chromatographic column (Φ3.5×50cm or other specifications), equilibrate with deionized water, and extract The liquid flows through the resin bed at a certain flow rate to elute small molecular impurities and decolorize, receive the ...

Embodiment 3

[0046] Take fresh burdock root, wash it with tap water, dry it naturally, cut it into thin slices of uniform size and thickness by hand or with a slicer, dry in an oven at 65°C, and crush it mechanically to about 40 meshes to become dry burdock powder, which is weighed for later use.

[0047] Extract the dried burdock powder at 80°C with 8 times the volume of hot water. Filter after each extraction, use a double-layer filter cloth for initial filtration, and then filter the filtrate with a Buchner funnel to completely separate the residue (burdock residue is used to extract dietary fiber) and extract, and combine the extract. Put the acidified (pH=4) macroporous adsorption resin (3250 resin or resin of other specifications) into a chromatographic column (Φ3.5×50cm or other specifications), equilibrate with deionized water, and extract The liquid flows through the resin bed at a certain flow rate to elute small molecular impurities and decolorize, receive the effluent, and use ...

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Abstract

Burdock synanthrin and its preparation method. the matter is extracted from root of burdock, white or weak yellow amorphous loose solid powder, freely soluble in water, slightly sweet, stable thermally. The left of optical rotation in water is -29.8+ / -2 deg. the formula is D-fructose of furan, polymerizing with beta (2->1) glucosidicbond and forming low fructosan, the terminal of the molecular chain linked with a glucose by alpha(1 ->2) glucosidicbond; the simple formula is G-Fn, G is glucose, F is fructose, n is the degree of polymerization: 10-12, the average molecular weight is 1976-2230; after analyzing by an ultraviolet chromatography, an absorbing peak in 202nm. In the collecting pattern of glucose gel chromatography, there has a single symmetric peak, which means that, the synanthrin has a high purity and is a uniform component. The extraction rate of the invention is up to more than 85%.

Description

(1) Technical field [0001] The present invention relates to a kind of plant inulin and the improvement of its extraction method, in particular to a kind of burdock inulin and its preparation method, and its technical field of bioengineering and chemical industry. (2) Background technology [0002] Burdock (Arctium lappa L.) "Compendium of Materia Medica", also known as Dalizi, also known as "Oriental Radish", "Black Radish", also known as "Evil Real", is a biennial herb of Compositae, which has been cultivated in a large area in my country . Mainly utilize its root, as a kind of new special vegetable, is used to edible. At present, the economic value of burdock is limited to export vegetables, and the international market has higher requirements on the specifications of export burdock, resulting in a large amount of outer roots being piled up every year and being discarded as waste, and causing certain environmental pollution. It is also useful to feed livestock and poultry...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/00
Inventor 李光友郝林华陈靠山
Owner THE FIRST INST OF OCEANOGRAPHY SOA
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