CN1995054A - Method for preparing middle size or oligo-glucomannan using radiation method for degrading plump konnjaku fine powder - Google Patents
Method for preparing middle size or oligo-glucomannan using radiation method for degrading plump konnjaku fine powder Download PDFInfo
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- CN1995054A CN1995054A CN 200710051203 CN200710051203A CN1995054A CN 1995054 A CN1995054 A CN 1995054A CN 200710051203 CN200710051203 CN 200710051203 CN 200710051203 A CN200710051203 A CN 200710051203A CN 1995054 A CN1995054 A CN 1995054A
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Abstract
The invention discloses a making method of middle and low glucomannan polysaccharide liquid through irradiating, decomposing and bulking konjak powder, which comprises the following steps: bulking konjaku flour through water completely; ionizing and irradiating to degrade glucomannan; stewing; sedimenting; filtering to remove non-degraded slag to obtain the product; sealing the food through flexible bag or hard glass container; sterilizing; setting the molar rate of konjaku flour and water at 15-60 with pH value at 3-9; obtaining the adsorbent of ionizing irradiation at 3-6; irradiating under normal temperature through Co-60 gamma ray or X-ray or electronic ray.
Description
Technical field
The present invention relates to the nuclear technique agricultural application, belong to agricultural-food radiation processing field, particularly with the konjaku powder for the raw material irradiation method produce functional in, the method for oligose.
Background technology
In the konjaku, oligose is the product after the konjak glucomannan degraded.Show that according to experimentation on animals and clinical study konjac oligosaccharides is very effective to promoting bifidobacterium growth, and can improve the intestinal microflora structure effectively, and its performance and effect are better than lactulose, soybean oligosaccharide and galactosyl and shift oligose.Konjac oligosaccharides also has control hyperlipidemia, reducing blood-fat, anti-oxidant, effects such as raise immunity.Raising shows to young animal, manna oligosaccharide can obviously promote animal growth [Li Kainian. manna oligosaccharide can substitute the microbiotic weanling pig of feeding, pig industry science, 2006,02:39-41.], in agricultural as a kind of novel hormonal with regulation and control plant growth, growth, breeding, anti-, disease-resistant [Wang Aihua, Tao Ningli. brief talk the nourishing function and the application of manna oligosaccharide, the Anhui agricultural sciences, 2006,34 (13): 3249-3250].
The polysaccharide degradation method mainly contains chemical method at present, physics method, biotechnology enzyme method, and biotechnology enzymolysis Rhizoma amorphophalli glucomannan industrialization report is arranged.But all there is the complex process problem in these methods, will add reactive material as chemical method, and process for separating and purifying is complicated; Physical method is mainly used microwave, ultraviolet method, and same the existence adds chemical reagent such as hydrogen peroxide problem; The present main enzyme solution of using, the enzymolysis process degradation rate is higher, reaches more than 75%, the concentration of substrate height reaches more than 20%, can obtain the oligo-glucomannan powder-like product by spraying drying, but have system flow processs such as enzyme liquid, enzymolysis, desalination, decolouring, drying just, technology is complicated.
Summary of the invention
The objective of the invention is to utilize the distinctive readily degradable of polysaccharide radiation degradation principle and Rhizoma amorphophalli glucomannan, utilize existing irradiation facility, provide that a kind of irradiation-induced degradation swelling konjaku powder prepares in Portugal's sweet dew, the method for oligomeric liquid glucose.This method is not used any additives, and technology is simple, and product is pure, rerum natura safety, stable, Rhizoma amorphophalli glucomannan degradation rate height.
Purpose of the present invention adopts the mode of ionizing rays degraded swollen Rhizoma amorphophalli glucomannan to be achieved, and its technical scheme is:
A kind of with konjaku powder prepare in Portugal's sweet dew, the method for oligomeric liquid glucose, it is characterized in that earlier the abundant swelling of konjaku powder water, use ionization radiation degradation swollen Rhizoma amorphophalli glucomannan then, irradiation is after standing sedimentation or remove by filter non-degraded precipitation (protein and residue etc.) resulting clear liquid, is in Portugal's sweet dew, the oligose liquid product.Product seals with food flexible packing bag or hard glass container package, heat sterilization, and normal temperature is preserved.
Wherein konjaku powder water swollen condition is: the weight ratio of konjaku powder and water is 1: 5～60, regulates the pH value with hydrochloric acid or sodium hydroxide, and pH value span of control is 3～9; The absorption dose of ionizing rays degraded swollen Rhizoma amorphophalli glucomannan is 3～6 kilogray (kGy)s, and radiation parameter is a normal temperature.Irradiation cobalt-60 irradiation source, or x ray or electron rays irradiation.
Konjaku powder water swollen optimum condition is: the weight ratio of konjaku powder and water is 1: 30～60, and pH value span of control is 6～8.The absorption dose of ionizing rays degraded swollen Rhizoma amorphophalli glucomannan is preferably 4～6 kilogray (kGy)s, and radiation parameter is a normal temperature.
Normal temperature of the present invention is meant 5～40 ℃.
The present invention utilizes that polysaccharide radiation degradation principle and the distinctive readily degradable of Rhizoma amorphophalli glucomannan prepare in the konjac mannan, oligomeric liquid glucose, compares with background technology, and its advantage is as follows:
1. do not use any additives;
2. product is pure;
3. technology is simple;
4. degradation rate height, product yield (degradation rate of konjak glucomannan) 90%;
5. rerum natura safety, stable;
6. utilize existing irradiation facility, reduced investment.
Description of drawings
Fig. 1 is for irradiation-induced degradation swollen konjaku powder prepares in Portugal's sweet dew, the process flow sheet of oligomeric liquid glucose
Introduce in detail this technology below in conjunction with accompanying drawing:
Predose is processed: with konjaku powder water abundant swelling under agitation, the weight ratio of konjaku powder and water is 1: 5～60, Do not add other any additive, pH value control range is 3～9.
Irradiation: irradiation cobalt-60γray irradiation bomb, or x ray or electron ray irradiation, the absorbed dose of radiation scope is 3～6,000 Gray(Gy) (kGy). Radiation parameter is normal temperature.
The irradiation post processing: behind the irradiation solution left standstill is made the automatic sedimentations of non-degradation product such as protein and residue, the taking-up upper strata is clear thorough Bright liquid (perhaps filter the non-degradation products such as deproteinize and residue, get filtrate) is in Portugal's sweet dew, oligomeric liquid glucose product. With the Portugal In the sweet dew, oligomeric liquid glucose product flexible package can, sealing, thermal sterilization, normal temperature is preserved. Storage life reaches 1～2 year.
Product the analysis showed that through liquid chromatogram, after the degraded in the solution in Portugal's sweet dew, compound sugar accounts for the sweet glycan 93% in konjaku Portugal, wherein Disaccharides accounts for 1.31%, and glucose accounts for 1.56%, and fructose accounts for 2.79%.
Embodiment
Embodiment 1: with the under agitation abundant swelling of konjaku powder water, the weight ratio of konjaku powder and water is 1: 40.Use cobalt-60 irradiation after the swelling, absorption dose is 6kGy, leaves standstill behind the irradiation 1.5 hours, and non-degradation product is deposited to container bottom, emits supernatant liquor in the pipeline of container middle and lower part opening part, gets product.Product yield 90.1% by analysis.Product is packed with rigid container, sealing, and sterilization in 100 ℃ of boiling water, normal temperature (room temp usually) preservation period down reaches 24 months.
Embodiment 2: konjaku powder is regulated the pH value with the under agitation abundant swelling of the water of 5 times of weight with hydrochloric acid or sodium hydroxide, and control pH value scope is 4.5 ± 0.5.Use the x x ray irradiation x after the swelling, absorption dose is 4kGy.Filter.Cleaner liquid is packed with the food flexible packing bag, sealing, heat sterilization, normal temperature preservation period 15 months.
Embodiment 3: konjaku powder is regulated the pH value with the under agitation abundant swelling of the water of 60 times of weight with hydrochloric acid or sodium hydroxide, and control pH value scope is 6 ± 0.5.Use the electronics x ray irradiation x after the swelling, absorption dose is 6kGy.Filter.Cleaner liquid is a product.Product yield 89.5% by analysis.Product is packed with the food flexible packing bag, sealing, heat sterilization, normal temperature preservation period 18 months.
Embodiment 4: konjaku powder is regulated the pH value with the under agitation abundant swelling of the water of 30 times of weight with hydrochloric acid or sodium hydroxide, and control pH value scope is 8.5 ± 0.5.Use gamma-ray irradiation after the swelling, absorption dose is 5kGy.Filter.Cleaner liquid is a product.Product yield 90.5% by analysis.Product is packed with the food flexible packing bag, sealing, heat sterilization, normal temperature preservation period 24 months.
Claims (6)
1, a kind of with konjaku powder prepare in Portugal's sweet dew, the method for oligomeric liquid glucose, it is characterized in that earlier the abundant swelling of konjaku powder water, use ionization radiation degradation swollen Rhizoma amorphophalli glucomannan then, irradiation is after leave standstill or remove by filter non-degradation product slag, promptly gets in Portugal's sweet dew, oligose clear liquid product.
2, as claimed in claim 1 with konjaku powder prepare in Portugal's sweet dew, the method for oligomeric liquid glucose, it is characterized in that konjaku powder water swollen condition is: the weight ratio of konjaku powder and water is 1: 5～60, and pH value span of control is 3～9.
3, as claimed in claim 1 with konjaku powder prepare in Portugal's sweet dew, the method for oligomeric liquid glucose, it is characterized in that konjaku powder water swollen condition is: the weight ratio of konjaku powder and water is 1: 30～60, and pH value span of control is 6～8.
4, as claimed in claim 1 with konjaku powder prepare in Portugal's sweet dew, the method for oligomeric liquid glucose, it is characterized in that the absorption dose of described ionizing rays degraded swollen Rhizoma amorphophalli glucomannan is 3～6 kilogray (kGy)s, radiation parameter is a normal temperature.
5, as claimed in claim 1 with konjaku powder prepare in Portugal's sweet dew, the method for oligomeric liquid glucose, it is characterized in that the absorption dose of described ionizing rays degraded swollen Rhizoma amorphophalli glucomannan is 4～6 kilogray (kGy)s, radiation parameter is a normal temperature.
6, as claimed in claim 1 with konjaku powder prepare in Portugal's sweet dew, the method for oligomeric liquid glucose, it is characterized in that leaving standstill or remove by filter in Portugal's sweet dew of non-degradation product slag, oligomeric liquid glucose, with food flexible packing bag or hard glass container package, sealing, heat sterilization, normal temperature is preserved.
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| CN100556912C CN100556912C (en) | 2009-11-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103030712A (en) * | 2012-10-26 | 2013-04-10 | 华羽中 | Method for preparing konjac oligo-glucomannan |
| CN103102430A (en) * | 2013-01-22 | 2013-05-15 | 广州城市职业学院 | Method for synergistically preparing konjac glucomannan with medium-polymerization degree |
| CN104900295A (en) * | 2015-05-28 | 2015-09-09 | 官爱平 | Irradiation apparatus and method for fluid processing |
| CN108936294A (en) * | 2018-09-29 | 2018-12-07 | 湖北双竹生态食品开发股份有限公司 | A kind of processing method of konjac oligosaccharides vermicelli |
| CN111393536A (en) * | 2020-03-31 | 2020-07-10 | 华中农业大学 | Degradation method of konjac glucomannan |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1563106A (en) * | 2004-03-29 | 2005-01-12 | 中国科学院长春应用化学研究所 | Preparing water soluble chitosan or in small molecular weight through radiation method |
-
2007
- 2007-01-05 CN CNB2007100512033A patent/CN100556912C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103030712A (en) * | 2012-10-26 | 2013-04-10 | 华羽中 | Method for preparing konjac oligo-glucomannan |
| CN103030712B (en) * | 2012-10-26 | 2018-02-02 | 张郁 | A kind of preparation method of konjac mannan oligosaccharide |
| CN103102430A (en) * | 2013-01-22 | 2013-05-15 | 广州城市职业学院 | Method for synergistically preparing konjac glucomannan with medium-polymerization degree |
| CN103102430B (en) * | 2013-01-22 | 2017-04-19 | 广州城市职业学院 | Method for synergistically preparing konjac glucomannan with medium-polymerization degree |
| CN104900295A (en) * | 2015-05-28 | 2015-09-09 | 官爱平 | Irradiation apparatus and method for fluid processing |
| CN108936294A (en) * | 2018-09-29 | 2018-12-07 | 湖北双竹生态食品开发股份有限公司 | A kind of processing method of konjac oligosaccharides vermicelli |
| CN111393536A (en) * | 2020-03-31 | 2020-07-10 | 华中农业大学 | Degradation method of konjac glucomannan |
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| CN100556912C (en) | 2009-11-04 |
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