CN1942109A - Method for extracting active components of ginseng by mechanical means - Google Patents
Method for extracting active components of ginseng by mechanical means Download PDFInfo
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- CN1942109A CN1942109A CNA2005800113865A CN200580011386A CN1942109A CN 1942109 A CN1942109 A CN 1942109A CN A2005800113865 A CNA2005800113865 A CN A2005800113865A CN 200580011386 A CN200580011386 A CN 200580011386A CN 1942109 A CN1942109 A CN 1942109A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6408—Supports or covers specially adapted for use in microwave heating apparatus
- H05B6/6411—Supports or covers specially adapted for use in microwave heating apparatus the supports being rotated
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
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Abstract
The present invention relates to a method of processing ginseng and extracting active components therefrom; more specifically, a method of extracting active components of ginseng by mechanical means of milling and air-classifying dehydrated ginseng via a mill and an air classification system, respectively. The constitution of the present invention includes: a process of placing the dehydrated ginseng into a crude mill and obtaining ginseng granules having 60~80mesh of fineness; a process of placing thus obtained granules into a single track jet mill to obtain hyperfine ginseng powder with its particles having a size of 1~100 mum; a process of air-classifying thus obtained powder in an air classification system to produce a powder with its particles having a size of 1~9 mum.
Description
Technical field
The present invention relates to genseng is processed to extract the method for active component from genseng; More specifically, the present invention relates to use grinding machine to milling through the genseng of dehydration and the genseng through milling being carried out selection by winnowing and from genseng, extract the method for active component by mechanical means with aidr bells blast system.
Background technology
After Garrigues in 1854 isolated panaxcoside, the scientific research of relevant genseng had obtained comprehensively carrying out.Particularly the main component saponin(e of panaxcoside has become the focus of research; Correspondingly, the various products that contain saponin(e have obtained positive exploitation and sale.
In addition, along with the growth of the sale of the various products that contain constituent of ginseng, the interest of the productivity that improves the genseng product is also being increased.That is to say that along with increasing of the various products that contain the genseng active component that come into the market, providing at a low price, the genseng product has become main market strategy.For this reason, the method for minimizing genseng production cost has obtained deep research.
Yet although to improving the research that the method for extracting the efficient of active component from genseng continues, the researcher does not also propose any effective method.Extracting the method that active component adopted at present from genseng is hydrothermal solution extraction method or organic solvent extraction method.
The shortcoming of hydrothermal solution extraction method and organic solvent extraction method is: complex manufacturing, and production cost can not significantly be reduced, and this is because the constituent of ginseng waste material contains the active component of utmost point low content.
In addition, study improving the method for from genseng, extracting the efficient of active component by the extraction conditions in the control said method.Yet the effort of adopting these methods to improve extraction efficiency has reached their limit; Therefore, study shortening extraction time.
In case develop the active component required time is extracted in shortening from genseng method, just can obviously reduce the genseng production cost of products; Yet the result does not also have extremely successful.
Therefore, press for the active component required time is extracted in shortening from genseng the method for developing.
Summary of the invention
Technical problem to be solved
The present inventor has made great efforts to solve existing problem in the prior art; As a result, they propose to use grinding machine and aidr bells blast system to obtain to contain the simple and rapid method of Ginseng Root Powder of the genseng active component of high percentage.
Formation of the present invention comprises: will put into kibbling mill and obtain the operation that fineness is 60～80 purpose ginseng granules through the genseng of dehydration; The particle of gained is sent in the single track aeropulverizer (single trackjet mill) and obtained the operation that particle size is the hyperfine Ginseng Root Powder of 1 μ m～100 μ m; And the Ginseng Root Powder to gained carries out selection by winnowing and produces the hyperfine Ginseng Root Powder that particle size is 1 μ m～9 μ m in aidr bells blast system.
To put into kibbling mill and can provide superfine Ginseng Root Powder to the operation that the particle that so obtains carries out selection by winnowing through the genseng of dehydration at aidr bells blast system, described superfine Ginseng Root Powder contains polysaccharide acid (polysaccharide acid), total reducing sugar, crude protein of high concentration etc., also contains the main component saponin(e of genseng simultaneously; Therefore, this will shorten the extraction required time of active component from genseng.
Formation to the grinding machine (kibbling mill) of granulation genseng has no particular limits, but preferably uses such as grinding machines such as needle mill, impact mill, roller mill, vibratory bowl or colloid mills.In addition, the ginseng granules of milling is also had no particular limits with the formation of the single track aeropulverizer that obtains hyperfine Ginseng Root Powder, but preferably use such as aeropulverizer or vibratory bowl grinding machine grinding machines such as (vibratory bowl mill).
These millings and selection by winnowing operation can be used as series interlocking operation and are undertaken by automation.
With different such as existing methods such as hydrothermal solution extraction method and organic solvent extraction methods, the present invention extracts active component from genseng method allows to use kibbling mill, single track aeropulverizer and aidr bells blast system to come carrying out rapid extraction such as genseng active components such as saponin(e, acidic polysaccharose (acid polysaccharide), total reducing sugar, crude protein.
The specific embodiment
Extracting the method for genseng active component can further explain by following embodiment by the mechanical means with above-mentioned formation.
Provide these embodiment to come the present invention is explained in more detail, and, according to main points of the present invention, it will be apparent to those of ordinary skill in the art that scope of the present invention is not limited to these embodiment.
Embodiment
Embodiment 1
At first; genseng to life in 6 years dewaters; take by weighing 4.5kg and do not comprise the genseng of its upper end; being granulated into fineness in needle mill is about 60～80 purpose particles; promoting pressure and 0.7MPa with 2.0 kilograms/hour charging rate at 0.7MPa then mills under the condition of pressure in single track aeropulverizer (Alpine, Germany) to described particle grinding once.Adopt granularity analyzer (LMS-30, Seishin, Japan) that the particles of powder degree of the gained of milling by electricity is measured, intermediate value granularity (median granularity) is X
10=2.511 μ m, X
50=7.789 μ m and X
90=25.245 μ m.
Then, in aidr bells blast system (Alpine, Germany) with 6,500rpm (rev/min), 5,000rpm, 3,500rpm and 2, the separation wheel of 000rpm (classification wheel) speed is to 4, the hyperfine Ginseng Root Powder of 341.6g carries out selection by winnowing.That is to say, it is 6 that described hyperfine Ginseng Root Powder is put into separation wheel speed, in the aidr bells blast system of 500rpm, and fine powder that will be by separation wheel (6,500F) with unsanctioned corase meal (6,500C) separate, with 5, the speed of 000rpm puts on described corase meal then, will be by the described fine powder of taking turns (5,000F) with unsanctioned corase meal (5,000C) separate, then with 3, the speed of 500rpm puts on described 5, the 000C powder, will by described fine powder of taking turns (3,500F) with unsanctioned corase meal (3,500C) separate, then with 2, it is described 3 that the speed of 000rpm puts on, and the 500C powder will be by the described fine powder of taking turns (2,000F) with unsanctioned corase meal (2,000C) separate (seeing: table 1).
[table 1]
The selection by winnowing condition
| Carry out the number of times of sorting | 1 | 2 | 3 | 4 |
| Processing capacity (kilogram/hour) | 2.5 | 2.3 | 2.8 | 3.0 |
| Separation velocity (rpm) | 6,500 | 5,000 | 3,500 | 2,000 |
| Pressure reduction (mmAq) | 300 | 300 | 280 | 300 |
| Air-supply equipment (Hz) | 54.5 | 56.4 | 60.1 | 60.5 |
| Running time (hour) | 100 | 100 | 75 | 50 |
The analysis result of the granularity of the Ginseng Root Powder by the selection by winnowing gained under the condition of last table 1 is as shown in table 2.
[table 2]
The granularity analysis of Ginseng Root Powder
| Carry out the number of times of sorting | 1 | 2 | 3 | 4 | |
| Separation velocity | 6,500 | 5,000 | 3,500 | 2,000 | |
| Fine powder (F) | The amount of returning (g) | 235.5 | 180.7 | 514.3 | 662.9 |
| X 10(μm) | 1.478 | 1.923 | 2.483 | 4.306 | |
| X 50(μm) | 3.512 | 3.699 | 5.475 | 8.405 | |
| X 90(μm) | 5.799 | 6.599 | 10.813 | 15.775 | |
| Corase meal (C) | The amount of returning (g) | 3,949.6 | 3,536.3 | 2,864.3 | 2,028.1 |
| X 10(μm) | 2.922 | 3.834 | 5.213 | 7.123 | |
| X 50(μm) | 8.152 | 9.712 | 13.119 | 21.002 | |
| X 90(μm) | 24.995 | 27.998 | 41.453 | 60.056 | |
As above shown in the table 2, these results show that particle size increases with the reduction of separation velocity.
Then, by the AOAC method basis of above-mentioned Ginseng Root Powder through sorting is carried out quantitatively.By the dry moisture of measuring of 105 ℃ of air; Measure crude protein content by semimicro-Kjeldahl method; Come cinder content is carried out quantitatively by 550 ℃ of incinerations; Carbohydrate content is for getting rid of back remaining surpluses such as moisture, crude protein, cinder.Use without the Ginseng Root Powder of sorting and organize (seeing: table 3) in contrast.
Basis content (unit: weight %) through the Ginseng Root Powder of sorting
| Sample | Moisture | Cinder | Carbohydrate | Crude protein |
| Control group | 6.72 | 4.36 | 76.21 | 15.22 |
| 2,000C | 6.43 | 4.20 | 76.77 | 14.49 |
| 3,500C | 6.25 | 4.17 | 77.55 | 14.58 |
| 5,000C | 6.39 | 4.27 | 77.66 | 14.42 |
| 6,500C | 6.85 | 4.34 | 76.11 | 14.66 |
| 2,000F | 6.13 | 4.42 | 77.88 | 14.19 |
| 3,500F | 6.01 | 4.44 | 76.68 | 15.37 |
| 5,000F | 5.38 | 4.81 | 73.65 | 18.27 |
| 6,500F | 5.54 | 5.04 | 71.51 | 20.99 |
As shown in table 3, crude protein and cinder tend to 5, and 000F and 6,500F obtain separating; Particularly 6, the crude protein concentration of 500F is up to 1.38 times of control group concentration, and this shows active component enrichment by selection by winnowing of genseng, and depends on separation velocity through the content of the active component of enrichment.
Through the polysaccharide of the Ginseng Root Powder of sorting and the content analysis of saponin(e
Use glucose total sugar content to be measured by the phenol sulfuric acid process as reference material.Use β-D-galacturonic acid acidic polysaccharose content to be measured by a hydroxy phenyl method (m-hydroxyphenyl method) as reference material.
According to the method for analyzing constituent of ginseng, the 1g sample dissolution in the 80 volume % methyl alcohol of 30ml, is extracted and vacuum drying, thereby obtained powder, then described powder dissolution is extracted in distilled water and with ether, thereby obtain aqueous layer.Then, the aqueous layer that so obtains with butanols extraction, thereby obtain classified butanols, vacuum drying and obtain powder, with this powder dissolution in 50ml methyl alcohol and obtain wherein 100 μ l.
In the gained sample, 8 volume % vanillic aldehyde-ethanolic solutions of 300 μ l are mixed with the sulfuric acid of the 72 volume % of 4ml, measure the absorbance at 545nm place then and carry out quantitatively after 10 minutes 60 ℃ of colour developings.Employing is without the Ginseng Root Powder of the sorting control group (seeing Table 4) as this method.
[table 4]
Through the polysaccharide of the Ginseng Root Powder of sorting and the content (unit: mg/g) of saponin(e
| Sample | Acidic polysaccharose | Saponin(e | Total reducing sugar |
| Control group | 18.98 | 27.33 | 275.22 |
| 2,000C | 16.99 | 24.89 | 252.01 |
| 3,500C | 17.77 | 21.15 | 251.33 |
| 5,000C | 18.12 | 26.55 | 265.42 |
| 6,500C | 18.79 | 26.01 | 271.33 |
| 2,000F | 19.46 | 24.98 | 269.25 |
| 3,500F | 20.43 | 28.21 | 315.22 |
| 5,000F | 24.37 | 41.23 | 377.43 |
| 6,500F | 29.34 | 48.55 | 431.22 |
The same with in the table 3, table 4 also shows acidic polysaccharose, saponin(e and total sugar content 6,500F is highly enriched.Compare with control group, the acidic polysaccharose of institute's enrichment is up to 1.54 times, and saponin(e is up to 1.78 times, and total reducing sugar is up to 1.57 times.Therefore, by control selection by winnowing condition, the more effectively active component of enrichment genseng.
Embodiment 2
Improve the establishment of the sorting condition of the Ginseng Root Powder amount of returning
The foregoing description 1 shows can be by the active component of selection by winnowing enrichment genseng.Yet 6, the Ginseng Root Powder amount that 500F and 5,000F obtain only is 9.5 weight % of used genseng; Therefore, we attempt to improve the amount of returning of described powder.
That is, with 4, the hyperfine Ginseng Root Powder that 895g adopts embodiment 1 method milling with the method for embodiment 16,000rpm selection by winnowing 2 times, 5,000rpm selection by winnowing 2 times and 3, the 500rpm selection by winnowing once (is seen: table 5).
When measuring the granularity of above-mentioned hyperfine Ginseng Root Powder, the intermediate value granularity is as follows: X
10=2.511 μ m, X
50=7.789 μ m and X
90=25.245 μ m.
[table 5]
The selection by winnowing condition
| Carry out the number of times of sorting | 1 | 2 | 3 | 4 | 5 |
| Processing capacity (kilogram/hour) | 2.5 | 2.3 | 2.9 | 3.0 | 3.5 |
| Separation velocity (rpm) | 6,000 | 6,000 | 5,000 | 5,000 | 3,500 |
| Pressure reduction (mmAq) | 310 | 270 | 245 | 230 | 210 |
| Air-supply equipment (Hz) | 60 | 60 | 60 | 60 | 60 |
| Running time (hour) | 110 | 70 | 60 | 45 | 50 |
Result with the granularity of the methods analyst Ginseng Root Powder of embodiment 1 is as shown in table 6.
[table 6]
The granularity analysis of Ginseng Root Powder
| Carry out the number of times of sorting | 1 | 2 | 3 | 4 | 5 | |
| Separation velocity | 6,000 | 6,000 | 5,000 | 5,000 | 3,500 | |
| Fine powder (F) | The amount of returning (g) | 250 | 245 | 380 | 235 | 499 |
| X 10(μm) | 1.301 | 1.647 | 2.022 | 2.120 | 2.579 | |
| X 50(μm) | 2.523 | 2.801 | 3.762 | 4.347 | 4.842 | |
| X 90(μm) | 5.533 | 5.054 | 7.418 | 7.211 | 8.601 | |
| Corase meal (C) | The amount of returning (g) | 4,345 | 3,999 | 3,401 | 3，199 | 2,533 |
| X 10(μm) | 2.254 | 2.537 | 3.333 | 3.218 | 4.466 | |
| X 50(μm) | 5.699 | 6.318 | 7.255 | 7.055 | 8.499 | |
| X 90(μm) | 11.899 | 12.573 | 13.779 | 13.378 | 15.369 | |
As above shown in the table 6,4 times selection by winnowing has obtained 1, and the genseng fine powder of 110g accounts for the about 22.7 weight % through the Ginseng Root Powder of sorting.
Method by embodiment 1 is measured the content through content, polysaccharide and the saponin(e of the basis of the Ginseng Root Powder of sorting, and the result is respectively shown in table 7 and table 8.
[table 7]
Basis content (unit: weight %) through the Ginseng Root Powder of sorting
| Sample | Moisture | Cinder | Carbohydrate | Crude protein |
| Control group | 8.25 | 4.69 | 77.11 | 14.55 |
| The first time 6,000F | 4.79 | 4.51 | 76.44 | 19.88 |
| The second time 6,000F | 5.09 | 4.65 | 76.45 | 19.35 |
| The first time 5,000F | 4.78 | 4.75 | 78.79 | 16.66 |
| The second time 5,000F | 5.10 | 4.48 | 79.23 | 15.86 |
| 3,500F | 5.54 | 4.49 | 79.79 | 14.34 |
| The first time 6,000C | 6.38 | 4.23 | 79.34 | 13.99 |
| The second time 6,000C | 6.18 | 4.49 | 79.67 | 13.22 |
| The first time 5,000C | 6.19 | 4.42 | 79.89 | 13.44 |
| The second time 5,000C | 6.39 | 4.39 | 79.87 | 13.25 |
| 3,500C | 5.92 | 4.29 | 80.79 | 13.02 |
[table 8]
Through the polysaccharide of the Ginseng Root Powder of sorting and the content (unit: mg/g) of saponin(e
| Sample | Acidic polysaccharose | Saponin(e | Total reducing sugar |
| Control group | 16.38 | 34.38 | 229.67 |
| The first time 6,000F | 29.14 | 63.05 | 405.01 |
| The second time 6,000F | 27.87 | 51.28 | 399.22 |
| The first time 5,000F | 23.46 | 45.99 | 340.84 |
| The second time 5,000F | 21.79 | 40.50 | 317.30 |
| 3,500F | 16.67 | 34.88 | 277.35 |
| The first time 6,000C | 19.24 | 36.45 | 274.52 |
| The second time 6,000C | 18.78 | 34.69 | 261.35 |
| The first time 5,000C | 18.01 | 33.21 | 258.27 |
| The second time 5,000C | 18.22 | 30.19 | 249.12 |
| 3,500C | 17.45 | 30.00 | 241.44 |
As above shown in table 7 and the table 8, these results show the content of content, polysaccharide and saponin(e of the basis of genseng 6,000F and 5,000F enrichment; Particularly 6,000F, the acidic polysaccharose of institute's enrichment up to about 1.78 times, saponin(e up to about 1.83 times, total reducing sugar is up to about 1.76 times, this show described active component in this Ginseng Root Powder than the more effectively enrichment in the Ginseng Root Powder of sorting that in embodiment 1, obtains.
According to the abovementioned embodiments of the present invention 1 and 2, when be of a size of 1 μ m～Ginseng Root Powder of 100 μ m in aidr bells blast system with 5,000rpm～6, when 500rpm carried out sorting, the active component of genseng obtained the most effective enrichment; Yet the above-mentioned separation wheel speed of aidr bells blast system depends on the size of this aidr bells blast system.
That is, have the aidr bells blast system that is different from the used size of the embodiment of the invention if use, then the separation velocity of separation wheel (rpm) will change according to the size of this aidr bells blast system.
For example, if adopt the aidr bells blast system that has greater than the used size of the present invention, even be lower than the separation wheel speed that the foregoing description 1 and 2 is adopted so, also can obtaining wherein, the active component of genseng obtains the Ginseng Root Powder that the most effective enrichment is of a size of 1 μ m～9 μ m; If adopt the aidr bells blast system that has less than the used size of the present invention, so adopted faster than the foregoing description 1 and 25,000rpm～6, the speed of 500rpm, can obtaining wherein, the active component of genseng obtains the Ginseng Root Powder that the most effective enrichment is of a size of 1 μ m～9 μ m.
To be limited in 1 μ m～9 μ m through the granularity of the Ginseng Root Powder of aidr bells blast system sorting, this is because reach 9 μ m or when bigger, the bioaccumulation efficiency of genseng active component can reduce when the granularity through the Ginseng Root Powder of sorting.
In this, by using aidr bells blast system rather than separating and the Ginseng Root Powder that obtains to be of a size of 1 μ m～9 μ m is important by control separation wheel speed.
Industrial applicibility
Explain in detail and description such as above-mentioned institute, the present invention make by the dry method of utilizing grinding machine and aidr bells blast system rather than wet method obtain containing high level the ginseng active component hyperfine ginseng powder simple and easy and fast method become easily, described ginseng active component is such as being soap glycosides, acid polysaccharide, total reducing sugar and crude protein etc.; Therefore, the present invention can be widely used for improving use by the productivity of the various ginseng products of the ginseng powder of its gained.
Claims (3)
1. extract the method for the active component of genseng by mechanical means, described method comprises: will put into kibbling mill and obtain the operation that fineness is 60～80 purpose ginseng granules through the genseng of dehydration; The particle that so obtains is put into the single track aeropulverizer and obtained the operation that particle size is the hyperfine Ginseng Root Powder of 1 μ m～100 μ m; In aidr bells blast system, the powder that so obtains is carried out selection by winnowing and obtains the operation that particle size is the powder of 1 μ m～9 μ m.
2. the method for claim 1 is characterized in that, described kibbling mill is a kind of in needle mill, impact mill, roller mill, vibratory bowl or the colloid mill etc.
3. the method for claim 1 is characterized in that, described single track aeropulverizer is a kind of in aeropulverizer or the vibratory bowl grinding machine etc.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040028878 | 2004-04-27 | ||
| KR1020040028878A KR100577032B1 (en) | 2004-04-27 | 2004-04-27 | Method for Extracting Active Components of Ginseng by Mechanical Means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1942109A true CN1942109A (en) | 2007-04-04 |
| CN100531744C CN100531744C (en) | 2009-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800113865A Expired - Fee Related CN100531744C (en) | 2004-04-27 | 2005-04-27 | Method for extracting active components of ginseng by mechanical means |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100577032B1 (en) |
| CN (1) | CN100531744C (en) |
| WO (1) | WO2005112666A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100855897B1 (en) * | 2007-01-15 | 2008-09-03 | 주식회사 케이티앤지 | Ultra-Fine Powders of Ginseng or Red Ginseng |
| KR100833996B1 (en) * | 2008-01-16 | 2008-05-30 | 주식회사 한국인삼공사 | Production method of ginseng steamed red nano-powder under micron size |
| KR101061258B1 (en) | 2008-05-21 | 2011-09-01 | 강원대학교산학협력단 | Shredding Method of Ginseng Powder to Improve Ginsenoside Extraction Efficiency |
| KR101576093B1 (en) * | 2015-06-09 | 2015-12-21 | (주)다정 | Manufacturing method of functional nanoparticle for maximizing absorption rate in the body and the nanoparticle made by the method |
| KR102000662B1 (en) * | 2018-10-18 | 2019-07-16 | (주)옥천당 | Production method of red ginseng concentrate with enhanced content of prosapogenin |
| KR102332777B1 (en) * | 2019-11-12 | 2021-11-30 | 경희대학교 산학협력단 | Method for preparing medicine herb extract using ball mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR950024677A (en) * | 1994-02-24 | 1995-09-15 | 서중일 | Method of Making Barley Young Leaf Powder (Granules) |
| KR19980046598A (en) * | 1996-12-13 | 1998-09-15 | 남승우 | Method of manufacturing red ginseng granules containing red ginseng soluble ingredients and extracted ginseng |
| KR100303169B1 (en) * | 1998-10-22 | 2001-12-17 | 김길환 | Cold water soluble powder green tea and preparation method thereof |
| TWI298643B (en) * | 2002-05-17 | 2008-07-11 | wei-ren Zhuang |
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2004
- 2004-04-27 KR KR1020040028878A patent/KR100577032B1/en not_active IP Right Cessation
-
2005
- 2005-04-27 CN CNB2005800113865A patent/CN100531744C/en not_active Expired - Fee Related
- 2005-04-27 WO PCT/KR2005/001221 patent/WO2005112666A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050103629A (en) | 2005-11-01 |
| KR100577032B1 (en) | 2006-05-08 |
| CN100531744C (en) | 2009-08-26 |
| WO2005112666A1 (en) | 2005-12-01 |
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