CN1257190C - Polyglucose production technology and production device - Google Patents
Polyglucose production technology and production device Download PDFInfo
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- CN1257190C CN1257190C CN 03126106 CN03126106A CN1257190C CN 1257190 C CN1257190 C CN 1257190C CN 03126106 CN03126106 CN 03126106 CN 03126106 A CN03126106 A CN 03126106A CN 1257190 C CN1257190 C CN 1257190C
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Abstract
The present invention discloses a polyglucose preparation technology and a preparation device. The present invention is characterized in that raw material contains (73% to 94.9% of) glucose, (0.1% to 7% of) citric acid and (5% to 20% of) sorbitol; the present invention comprises the following technical steps: step 1, material is taken and mixed according to the proportion; step 2, the mixed material is dried, and the water content is controlled to be from 0.5 to 8%; step 3, the dried material is polymerized, the temperature is controlled to be from 50 to 300 DEG C, the time is from 1 to 15 hours, and the vacuum degree of negative pressure is from 0.02 to 0.06MPOL, and a polymer is formed; step 4, after being cooled, the polymer is pulverized. The polymerization reaction of the present invention is carried out for polymerization in a high temperature layer added stainless steel reaction kettle, and heat is supplied by a heat conducting oil furnace. Because the technical device is adopted, the content of the polymer in polyglucose products is enhanced to more than 90%, the content of reducing sugar is reduced to be less than 4%, the acidity and the pH value are low, the acidity is 0.02, and the pH value is 5.
Description
Technical field
The present invention relates to a kind of protective foods, relate to a kind of poly-dextrose production technique specifically.
Background technology
Poly-dextrose is a kind of foodstuff additive with nourishing function, can replenish the water-soluble dietary fibre of needed by human body, promotes functions of intestines and stomach, hypoglycemic, reducing blood-fat.The effect of weighting agent, thickening material, stablizer and the formulation adjuvant of performance low calorific food in food system simultaneously.The relative molecular weight hundreds of thousands of of the water-soluble dietary fibre that pectin, carob bean gum etc. are natural, in water, easily form gel lump, the human consumer is difficult to directly use according to the situation of oneself, poly-dextrose is moderate because of relative molecular weight, dissolving fully in water is convenient to the human consumer and is used, and it can carry out suitability for industrialized production again, thereby the exploitation of poly-dextrose occupies outstanding status with being applied in the research and development of food fibre.
About the research of poly-dextrose initial with this century the seventies, researcher finds that glucose monomer can be under the certain reaction condition, main by α-1,6 key polymerization reaction take places, link to each other at random and aggregate into the irregular polysaccharide that relative molecular weight is 3000-30000, called after Polydextrose, i.e. poly-dextrose.Poly-dextrose is a raw material with glucose, Sorbitol Powder and citric acid.Heat under vacuum condition, glucose monomer generation aldol condensation, glucose and Sorbitol Powder generation aldol condensation, glucose, Sorbitol Powder respectively with citric acid generation esterification reaction.
Existing poly-dextrose product, polymer content generally can only reach about 60-70%, and content is lower; Reducing sugar content is higher, generally reaches more than 20%; Acidity and pH value are higher, and general acidity is 0.05, and pH value reaches 2.Trace it to its cause, there are some defectives in its production technique, and is not high as polymerization temperature, and the vacuum tightness of polyreaction is not enough etc.Thereby the poor quality who causes the product poly-dextrose.
Summary of the invention
Purpose of the present invention just is to provide a kind of polymerization temperature height, poly-dextrose production technique that vacuum tightness is high.
Purpose of the present invention can realize by following measure:
Raw material among the present invention comprises glucose (73%--94.9%), citric acid (0.1%--7%), and Sorbitol Powder (5%-20%), processing step is as follows:
The first, according to the above ratio getting glucose, citric acid, Sorbitol Powder mixes;
The second, the material that mixes enters drying plant and carries out drying, and moisture content is controlled at 0.5-8% in the raw material;
Three, dried material carries out polymerization, and temperature should be controlled between 50-300 ℃, and time 1-15 hour, the negative-pressure vacuum degree was controlled at 0.02-0.06MPa respectively, forms polymkeric substance;
Four, pulverize after the polymkeric substance cooling.
Raw material among the present invention comprises glucose 80%, citric acid 5%, Sorbitol Powder 15%.Certainly, also can adopt suitable formula rate as required.Wherein drying means is air stream drying method or fluid-bed drying.Temperature should be between 105 ℃ in the polyreaction, and 11 hours time, the negative-pressure vacuum degree is controlled at 0.03MPa respectively.Perhaps, temperature should be and is controlled between 280 ℃ in the polyreaction, and 8 hours time, the negative-pressure vacuum degree is controlled at 0.05MPa respectively.Certainly, also can adopt other suitable temperature, time, vacuum tightness etc.
Polyreaction among the present invention is to adopt high temperature to add layer stainless steel cauldron to carry out polymerization.Reactor in the polyreaction adopts the reaction times and the temperature of the material in the manually-operated gate control reactor.Perhaps, the pyroreaction still in the polyreaction adopts the reaction times and the temperature of the material in proportional meter part divider control reactor.
The present invention adopts the heat-conducting oil furnace heat supply and does thermal barrier with thermal oil in polyreaction.Certainly, also can use other suitable heating plants.
The present invention has improved the vacuum tightness of polymerization temperature and polyreaction owing to adopt above-mentioned technology and device in technology; Control the reaction times and the temperature of the material in the reactor preferably by manually-operated gate or proportional meter part divider for this reason.Thereby the polymer content in the poly-dextrose product is brought up to more than 90%; Reduced below the content to 4% of reducing sugar; Acidity and pH value are lower, and acidity is 0.02, and pH value reaches 5.
Embodiment
The present invention does with detailed description below in conjunction with embodiment:
Embodiment 1: raw material of the present invention comprises glucose 80%, citric acid 5%, and Sorbitol Powder 15%, processing step is as follows:
The first, according to the above ratio getting glucose, citric acid, Sorbitol Powder mixes;
The second, the material that mixes enters drying plant and carries out drying, and moisture content is controlled at 2% in the raw material;
Three, dried material carries out polymerization, and temperature should be controlled at about 105 ℃, and 11 hours time, the negative-pressure vacuum degree is controlled at 0.03MPa respectively, forms polymkeric substance;
Four, pulverize after the polymkeric substance cooling.
Polyreaction among the present invention is to adopt high temperature to add layer stainless steel cauldron to carry out polymerization.Pyroreaction still in the polyreaction adopts the reaction times and the temperature of the material in the manually-operated gate control reactor.In polyreaction, adopt the heat-conducting oil furnace heat supply and do thermal barrier with thermal oil.
Embodiment 2: raw material of the present invention comprises glucose 73%, citric acid 7%, and Sorbitol Powder 20%, processing step is as follows:
The first, according to the above ratio getting glucose, citric acid, Sorbitol Powder mixes;
The second, the material that mixes enters drying plant and carries out drying, and moisture content is controlled at about 8% in the raw material;
Three, dried material carries out polymerization, and temperature should be controlled between 280 ℃, and 8 hours time, the negative-pressure vacuum degree is controlled at 0.05MPa respectively, forms polymkeric substance;
Four, pulverize after the polymkeric substance cooling.
Polyreaction among the present invention is to adopt high temperature to add layer stainless steel cauldron to carry out polymerization.High temperature in the polyreaction adds reaction times and the temperature that layer stainless steel cauldron adopts the material in the manually-operated gate control reactor.In polyreaction, adopt the heat-conducting oil furnace heat supply and do thermal barrier with thermal oil.
Embodiment 3: raw material of the present invention comprises glucose 94.9%, citric acid 0.1%, and Sorbitol Powder 5%, processing step is as follows:
The first, according to the above ratio getting glucose, citric acid, Sorbitol Powder mixes;
The second, the material that mixes enters drying plant and carries out drying, and moisture content is controlled at 2% in the raw material;
Three, dried material carries out polymerization, and temperature should be controlled at 300 ℃, and 15 hours time, the negative-pressure vacuum degree is controlled at 0.06MPa respectively, forms polymkeric substance;
Four, pulverize after the polymkeric substance cooling.
Polyreaction among the present invention is to adopt high temperature to add layer stainless steel cauldron to carry out polymerization.High temperature in the polyreaction adds reaction times and the temperature that layer stainless steel cauldron adopts the material in the manually-operated gate control reactor.In polyreaction, adopt the heat-conducting oil furnace heat supply and do thermal barrier with thermal oil.
Embodiment 4: raw material of the present invention comprises glucose 76%, citric acid 1%, and Sorbitol Powder 8%, processing step is as follows:
The first, according to the above ratio getting glucose, citric acid, Sorbitol Powder mixes;
The second, the material that mixes enters drying plant and carries out drying, and moisture content is controlled at 0.5% in the raw material;
Three, dried material carries out polymerization, and temperature should be controlled at about 50 ℃, and 1 hour time, the negative-pressure vacuum degree is controlled at 0.02MPa respectively, forms polymkeric substance;
Four, pulverize after the compound cooling.
Polyreaction among the present invention is to adopt high temperature to add layer stainless steel cauldron to carry out polymerization.High temperature in the polyreaction adds reaction times and the temperature that layer stainless steel cauldron adopts the material in the manually-operated gate control reactor.In polyreaction, adopt the heat-conducting oil furnace heat supply and do thermal barrier with thermal oil.
Claims (7)
1, a kind of poly-dextrose production technique is characterized in that: raw material comprises glucose (73%--94.9%), citric acid (0.1%--7%), and Sorbitol Powder (5%-20%), processing step is as follows:
The first, according to the above ratio getting glucose, citric acid, Sorbitol Powder mixes;
The second, the material that mixes enters drying plant and carries out drying, and moisture content is controlled at 0.5-8% in the raw material;
Three, dried material carries out polymerization, and temperature should be controlled between 50-300 ℃, and time 1-15 hour, the negative-pressure vacuum degree was controlled at 0.02-0.06MPa respectively, forms polymkeric substance;
Four, pulverize after the polymkeric substance cooling.
2, poly-dextrose production technique according to claim 1, it is characterized in that: described raw material comprises glucose 80%, citric acid 5%, Sorbitol Powder 15%.
3, poly-dextrose production technique according to claim 1 is characterized in that: described drying means is the air stream drying method.
4, poly-dextrose production technique according to claim 1 is characterized in that: described drying means is a fluid-bed drying.
5, according to the described poly-dextrose production technique of claim 1, it is characterized in that: temperature should be between 105 ℃ in the described polyreaction, and 11 hours time, the negative-pressure vacuum degree is controlled at 0.03MPa respectively.
6, according to the described poly-dextrose production technique of claim 1, it is characterized in that: temperature should be and is controlled between 280 ℃ in the described polyreaction, and 8 hours time, the negative-pressure vacuum degree is controlled at 0.05MPa respectively.
7, the application of a kind of reactor in poly-dextrose production technique according to claim 1, it is characterized in that: polyreaction is to adopt high temperature to add layer stainless steel cauldron to carry out polymerization in the described poly-dextrose production technique, is provided with the reaction times of the material in the control reactor and manually-operated gate or proportional meter part divider of temperature in this reactor; And in the reactor of this polyreaction, adopt the heat-conducting oil furnace heat supply and do thermal barrier with thermal oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03126106 CN1257190C (en) | 2003-04-02 | 2003-04-02 | Polyglucose production technology and production device |
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| CN 03126106 CN1257190C (en) | 2003-04-02 | 2003-04-02 | Polyglucose production technology and production device |
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| CN1534046A CN1534046A (en) | 2004-10-06 |
| CN1257190C true CN1257190C (en) | 2006-05-24 |
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| CN 03126106 Expired - Lifetime CN1257190C (en) | 2003-04-02 | 2003-04-02 | Polyglucose production technology and production device |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717453B (en) * | 2009-09-23 | 2012-06-20 | 上海博程生物科技有限公司 | Method for producing polydextrose with improved taste |
| CN101824097B (en) * | 2010-03-29 | 2012-04-11 | 天津科技大学 | Method for producing polyglucose |
| CN103588897A (en) * | 2012-08-16 | 2014-02-19 | 上海博程生物科技有限公司 | Preparation method of sugar-free polydextrose |
| CN103588894A (en) * | 2012-08-16 | 2014-02-19 | 上海博程生物科技有限公司 | Method used for drying and purifying polydextrose |
| CN103588898A (en) * | 2012-08-16 | 2014-02-19 | 上海博程生物科技有限公司 | Method and equipment used for producing sugar-free polydextrose |
| CN103766695B (en) * | 2013-12-26 | 2015-05-20 | 江南大学 | Polydextrose with controllable molecular weight and rapid preparation method thereof |
| CN105237652A (en) * | 2015-11-20 | 2016-01-13 | 保龄宝生物股份有限公司 | Method for preparing polydextrose through dextrose monohydrate |
| CN105968226B (en) * | 2016-07-25 | 2018-04-13 | 山东百龙创园生物科技股份有限公司 | A kind of preparation method of high-purity hydrogenation polydextrose |
| EP3790861A4 (en) | 2018-07-11 | 2022-03-30 | Rubedo Life Sciences, Inc. | Senolytic compositions and uses thereof |
| CN113603807B (en) * | 2021-07-26 | 2022-11-25 | 西安医学院 | Efficient preparation method of polydextrose |
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