CN1161368C - Production method of phycocolloid oligosaccharide - Google Patents

Production method of phycocolloid oligosaccharide Download PDF

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Publication number
CN1161368C
CN1161368C CNB011079525A CN01107952A CN1161368C CN 1161368 C CN1161368 C CN 1161368C CN B011079525 A CNB011079525 A CN B011079525A CN 01107952 A CN01107952 A CN 01107952A CN 1161368 C CN1161368 C CN 1161368C
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China
Prior art keywords
oligosaccharide
algin
manufacture method
oligosaccharides
production method
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Expired - Fee Related
Application number
CNB011079525A
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Chinese (zh)
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CN1380342A (en
Inventor
管华诗
李桂玲
于广利
陈娥功
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Qingdao haidahai sugar Biotechnology Co. Ltd.
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Ocean University of Oingdao
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Priority to CNB011079525A priority Critical patent/CN1161368C/en
Publication of CN1380342A publication Critical patent/CN1380342A/en
Application granted granted Critical
Publication of CN1161368C publication Critical patent/CN1161368C/en
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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

The present invention relates to a production method of algin oligosaccharide, which comprises: decomposing algin into oligosaccharide and separating oligosaccharide with different polymerization degrees. The production method is characterized in that the decomposition is acid hydrolysis under the existence of oxidant. The oxidant is hydrogen peroxide or sodium hypochlorite, and the dosage is 1 to 10% of the water solution of potassium alginate; Bio-Gel-P6 or Superdex 30 columns are used for separation. The oxidant and acid used by the present invention have the advantages of low price, convenient large-scale production and fast production.

Description

A kind of manufacture method of algin oligosaccharide
The present invention relates to a kind of manufacture method of algin oligosaccharide.
Algin is nontoxic, has obtained widespread use in food and medicine, but because the high molecular algin is not easy to be absorbed by human consumption, as reduces its molecular weight and obtain corresponding oligosaccharides, just can greatly improve its bioavailability, gives full play to its biological action.Preparation and application facet at algin oligosaccharide, there is a Japanese Patent (patent No. JP05304974) to disclose a kind of method that adopts the algin enzyme to prepare algin oligosaccharide, earlier 20 ℃ of pre-down algin degradation bacteria of cultivating, cultivated 24 hours down at 25 ℃ again, therefrom extract the algin enzyme again, following at 40 ℃ then with this enzymic hydrolysis Potassium polyalginate, obtain oligosaccharide mixture, adopt the Dowex50w ion exchange resin treatment to neutralize with calcium hydroxide, and with obtaining the oligosaccharides calcium salt after the separation of BioGel P-GDG column chromatography.This patent is applied to the oligosaccharides calcium salt to bring high blood pressure down.But it is long to be equipped with the required enzymolysis time of algin oligosaccharide (24 hours) with this legal system, agents useful for same price height, thereby be difficult for commercialization.
The purpose of this invention is to provide the method that a kind of oxidizing acid hydrolysis prepares algin oligosaccharide, but with its mass production algin oligosaccharide, can remedy the above-mentioned deficiency of prior art.
A kind of manufacture method of algin oligosaccharide comprises algin is hydrolyzed into oligosaccharides, and separates the oligosaccharides of different polymerization degree, it is characterized in that the described acid hydrolysis that is hydrolyzed in the presence of oxygenant.
The oxygenant that the present invention uses is cheap with acid, is convenient to scale operation, and the speed of producing is fast.
Below by embodiment the present invention is described.
It is 3 the aqueous solution that oligomeric Potassium polyalginate (molecular-weight average 10000) is made into concentration expressed in percentage by weight, be that the hydrochloric acid of 2mol/L is adjusted to pH4 with concentration then, add oxygenant and carry out oxidation, making its concentration expressed in percentage by weight is 2, in autoclave, be hydrolyzed 3 hours at 105 ℃, the cooling back is adjusted to pH7 with potassium hydroxide, behind 0.45 μ m membrane filtration, rotary evaporation concentrates, adopt polyacrylamide gel P6 (Bio-Gel-P6) or dextran to separate with agarose cross linked gel 30 (Superdex30) post, carry out wash-out with 0.1mol/L (pH7) phosphoric acid buffer, obtain the oligosaccharides that the polymerization degree is 2-12, after sephadex G 10 (Superdex G10) desalination, lyophilize obtains white powder and is oligosaccharides product of the present invention.This oligosaccharides has mannuronic acid oligosaccharide (being called for short M) and guluronic acid oligosaccharides (being called for short G), and the part by weight of the two is 2/1 to 3/1.Oxygenant is hydrogen peroxide or inferior hydracid sodium, and its consumption is the 1%-10% (by weight) of alginate aqueous solution.Hydrolysis is carried out in autoclave in the present embodiment, and temperature is 100-120 ℃, and the time is 2-4 hour.

Claims (4)

1, a kind of manufacture method of algin oligosaccharide comprises algin is hydrolyzed into oligosaccharides, and separates the oligosaccharides of different polymerization degree, it is characterized in that the described acid hydrolysis that is hydrolyzed in the presence of oxygenant.
2, manufacture method as claimed in claim 1, its feature is hydrogen peroxide or clorox with regard to described oxygenant, consumption is the 1%-10% of alginate aqueous solution weight.
3, manufacture method as claimed in claim 1 is characterized in that described separation adopts polyacrylamide gel P6 or dextran to separate with agarose cross linked gel 30 posts.
4, manufacture method as claimed in claim 1 is characterized in that described hydrolysis carries out in autoclave, temperature is 100-120 ℃, and the time is 2-4 hour.
CNB011079525A 2001-04-07 2001-04-07 Production method of phycocolloid oligosaccharide Expired - Fee Related CN1161368C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB011079525A CN1161368C (en) 2001-04-07 2001-04-07 Production method of phycocolloid oligosaccharide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB011079525A CN1161368C (en) 2001-04-07 2001-04-07 Production method of phycocolloid oligosaccharide

Publications (2)

Publication Number Publication Date
CN1380342A CN1380342A (en) 2002-11-20
CN1161368C true CN1161368C (en) 2004-08-11

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CNB011079525A Expired - Fee Related CN1161368C (en) 2001-04-07 2001-04-07 Production method of phycocolloid oligosaccharide

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1562050A (en) 2004-03-24 2005-01-12 中国海洋大学 Use of oligose alginate in anti-dementia and anti-diabetes
CN100372542C (en) * 2004-04-16 2008-03-05 中国海洋大学 Use of algin oligocauharide as prebiotics
CN1321139C (en) * 2004-11-22 2007-06-13 青岛明月海藻集团有限公司 Production process of algin oligose
CN1920002B (en) * 2005-08-22 2011-06-08 中国海洋大学 Novel vibrionaceae vibrio bacterial strain and application thereof
CN101037456B (en) * 2007-04-24 2010-05-26 宁波大学 Preparation method of alginate oligosaccharides
WO2009086685A1 (en) * 2007-12-29 2009-07-16 Dalian Yaweite Bioengineering Co., Ltd. An alginic acid with low molecular weight, its salts, uses, preparative methods, pharmaceutical compositions and foods
CN102391317A (en) * 2011-08-05 2012-03-28 宁夏万胜生物工程有限公司 Method for separating alginate-derived oligosaccharides from alginate-derived oligosaccharide fermentation liquor

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Denomination of invention: Production method of phycocolloid oligosaccharide

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