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CN1380342A - Method for preparing algin oligosaccharide - Google Patents

Method for preparing algin oligosaccharide Download PDF

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Publication number
CN1380342A
CN1380342A CN 01107952 CN01107952A CN1380342A CN 1380342 A CN1380342 A CN 1380342A CN 01107952 CN01107952 CN 01107952 CN 01107952 A CN01107952 A CN 01107952A CN 1380342 A CN1380342 A CN 1380342A
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Prior art keywords
oligosaccharides
algin
oxidizing agent
manufacture method
aqueous solution
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CN1161368C (en
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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 China
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  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

一种褐藻胶寡糖的制造方法,包括将褐藻胶分解成寡糖,并分离不同聚合度的寡糖,其特征是所述的分解为在氧化剂存在下的酸水解。所述的氧化剂为过氧化氢或次氯酸钠,其用量为褐藻酸钾水溶液的1-10%。所述的分离采用Bio-Gel-P6或Superdex30柱进行分离。本发明使用的氧化剂和酸的价格低廉,便于大规模生产,并且生产的速度快。A method for producing algin oligosaccharides, comprising decomposing algin into oligosaccharides and separating oligosaccharides with different degrees of polymerization, characterized in that the decomposition is acid hydrolysis in the presence of an oxidizing agent. The oxidizing agent is hydrogen peroxide or sodium hypochlorite, and its dosage is 1-10% of the potassium alginate aqueous solution. Said separation adopts Bio-Gel-P6 or Superdex30 column for separation. The oxidizing agent and acid used in the invention are cheap, convenient for large-scale production, and the production speed is fast.

Description

一种褐藻胶寡糖的制造方法A kind of manufacture method of alginate oligosaccharide

本发明涉及一种褐藻胶寡糖的制造方法。The invention relates to a method for producing algin oligosaccharides.

褐藻胶无毒,在食品和医药中得到了广泛应用,但由于高分子量褐藻胶不容易被人体消化吸收,如降低其分子量得到相应寡糖,就可以极大地提高其生物利用度,充分发挥其生物学作用。在褐藻胶寡糖的制备与应用方面,有一日本专利(专利号JP05304974)披露了一种采用褐藻胶酶制备褐藻胶寡糖的方法,先在20℃下预培养褐藻胶降解菌,再在25℃下培养24小时,再从中提取褐藻胶酶,然后在40℃下用此酶水解褐藻酸钾,得到寡糖混合物,采用Dowex50w离子交换树脂处理用氢氧化钙中和,并用BioGel P-GDG柱色谱分离后得到寡糖钙盐。该专利将寡糖钙盐应用于降低血压。但用该法制备褐藻胶寡糖所需酶解时间(24小时)长,所用试剂价格高,因而不易商业化。Alginate is non-toxic and has been widely used in food and medicine. However, since high-molecular-weight alginate is not easily digested and absorbed by the human body, if its molecular weight is reduced to obtain corresponding oligosaccharides, its bioavailability can be greatly improved and its potential can be fully utilized. biological effect. In terms of the preparation and application of algin oligosaccharides, there is a Japanese patent (Patent No. JP05304974) which discloses a method for preparing algin oligosaccharides using alginase. First, pre-cultivate algin-degrading bacteria at 20°C, and then at 25 Cultivate at ℃ for 24 hours, extract alginase from it, then use this enzyme to hydrolyze potassium alginate at 40℃ to obtain oligosaccharide mixture, treat with Dowex50w ion exchange resin, neutralize with calcium hydroxide, and use BioGel P-GDG column The oligosaccharide calcium salt is obtained after chromatographic separation. This patent applies oligosaccharide calcium salt to lower blood pressure. However, the enzymatic hydrolysis time (24 hours) required for the preparation of alginic oligosaccharides by this method is long, and the cost of the reagents used is high, so it is not easy to commercialize.

本发明的目的是提供一种氧化酸水解制备褐藻胶寡糖的方法,用它可大量生产褐藻胶寡糖,能弥补现有技术的上述不足。The object of the present invention is to provide a method for preparing algin oligosaccharides by oxidative acid hydrolysis, which can be used to produce algin oligosaccharides in large quantities, and can make up for the above-mentioned shortcomings of the prior art.

一种褐藻胶寡糖的制造方法,包括将褐藻胶水解成寡糖,并分离不同聚合度的寡糖,其特征是所述的水解为在氧化剂存在下的酸水解。A method for producing algin oligosaccharides, comprising hydrolyzing algin into oligosaccharides and separating oligosaccharides with different degrees of polymerization, characterized in that the hydrolysis is acid hydrolysis in the presence of an oxidizing agent.

本发明使用的氧化剂和酸的价格低廉,便于大规模生产,并且生产的速度快。The oxidizing agent and acid used in the invention are cheap, convenient for large-scale production, and the production speed is fast.

下面通过实施例说明本发明。The present invention is illustrated by the following examples.

将低聚褐藻酸钾(平均分子量10000)配成重量百分浓度为3的水溶液,然后用浓度为2mol/L的盐酸调节至pH4,加入氧化剂进行氧化,使其重量百分浓度为2,在高压反应釜中在105℃进行水解3小时,冷却后用氢氧化钾调节至pH7,经0.45μm膜过滤后,旋转蒸发浓缩,采用Bio-Gel-P6或Superdex30柱进行分离,用0.1mol/L(pH7)磷酸缓冲液进行洗脱,得到聚合度为2-12的寡糖,经Sephadex G10脱盐后,冷冻干燥得到白色粉末即为本发明的寡糖产品。Potassium oligomeric alginate (average molecular weight 10,000) is made into an aqueous solution with a weight percent concentration of 3, then adjusted to pH 4 with hydrochloric acid with a concentration of 2 mol/L, and an oxidizing agent is added for oxidation to make the weight percent concentration 2. Hydrolyze at 105°C for 3 hours in a high-pressure reactor, adjust the pH to 7 with potassium hydroxide after cooling, filter through a 0.45 μm membrane, concentrate by rotary evaporation, and separate with a Bio-Gel-P6 or Superdex30 column, using 0.1mol/L (pH7) phosphate buffer for elution to obtain oligosaccharides with a degree of polymerization of 2-12, desalted with Sephadex G10, and freeze-dried to obtain a white powder, which is the oligosaccharide product of the present invention.

本实施例中褐藻胶寡糖M和G的比例为2/1至3/1,M和G的聚合度均在2-12之间,氧化剂为过氧化氢或次氯酸钠,其用量为褐藻酸钾水溶液的1-10%(按重量)。本实施例中水解在高压釜中进行温度为100-120℃,时间为2-4小时。In this example, the ratio of algin oligosaccharides M and G is 2/1 to 3/1, the degree of polymerization of M and G is between 2-12, the oxidizing agent is hydrogen peroxide or sodium hypochlorite, and its dosage is potassium alginate 1-10% (by weight) in aqueous solution. In this embodiment, the hydrolysis is carried out in an autoclave at a temperature of 100-120° C. for 2-4 hours.

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, its consumption is the 1-10% of the Potassium polyalginate aqueous solution.
3, manufacture method as claimed in claim 1 is characterized in that described separation employing Bio-Gel-P6 or Superdex30 post separate.
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)

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

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

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

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005089776A1 (en) * 2004-03-24 2005-09-29 Ocean University Of China Algin oligosaccharides and the derivatives thereof as well as the manufacture and the use of the same
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
CN100372542C (en) * 2004-04-16 2008-03-05 中国海洋大学 Application of algin oligosaccharides as prebiotics
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
CN101037456B (en) * 2007-04-24 2010-05-26 宁波大学 Preparation method of algin oligosaccharide
CN1920002B (en) * 2005-08-22 2011-06-08 中国海洋大学 Novel vibrionaceae vibrio bacterial strain and application thereof
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

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005089776A1 (en) * 2004-03-24 2005-09-29 Ocean University Of China Algin oligosaccharides and the derivatives thereof as well as the manufacture and the use of the same
EA011417B1 (en) * 2004-03-24 2009-02-27 Оушн Юниверсити Оф Чайна Algin oligosaccharides and the derivatives thereof, the manufacture and the use of the same
US8835403B2 (en) 2004-03-24 2014-09-16 Meiyu Geng Algin oligosaccharides and the derivatives thereof as well as the manufacture and the use of the same
US9493496B2 (en) 2004-03-24 2016-11-15 Ocean University Of China Algin oligosaccharides and the derivatives thereof as well as the manufacture and the use of the same
US10213456B2 (en) 2004-03-24 2019-02-26 Ocean University Of China Alginate oligosaccharides and the derivatives thereof as well as the manufacture and the use of the same
CN100372542C (en) * 2004-04-16 2008-03-05 中国海洋大学 Application of algin oligosaccharides 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 algin oligosaccharide
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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