JP2006265512A - Method for producing solid product from gel-like material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for easily, efficiently and economically producing a solid product from a high-viscosity and low-fluid gel-like material. <P>SOLUTION: The method for producing the solid product of predetermined shape comprises irradiating the gel-like material with ultrasonic waves to form a liquid product, which is then dried. In this method, the liquid product is dried on a dish-like drying plate to obtain a plate-like solid product, or the liquid product is injected into a mold to obtain a solid product of predetermined shape. Alternatively, the liquid product is dried into a powdery product, which is then compressed into a solid product of predetermined shape; particularly, the liquid product is dried by a spray dryer into a powdery product, and the resulting solid product may be in the form of plate, granules or rod. The above gel-like material may contain at least one kind of polysaccharides, proteins, polyacrylic acids, polymethacrylic acids, polyvinyl alcohols, polyethylene glycols and derivatives thereof. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention mainly relates to a method for producing a solid from a gel.

Polysaccharides such as starch, pectin, and glucomannan, proteins such as gelatin, and polymer substances such as polyacrylic acid are dissolved in an appropriate solvent and used as a gel with a high viscosity and low fluidity in food and industry. Used. For example, starch is a particle having a particle size of about several micrometers to several hundred micrometers, and does not dissolve in cold water but exists as a slurry, but by heat treatment or chemical treatment by alkaline conditions or addition of salts, Starch dissolves in a solvent to form a gel, that is, starch paste.

In general, in the food field, trochi is given by dispersing and heating potato starch that has been dissolved in boiled juice such as vegetables. In addition, after gelatin and agar are heated and dissolved in water, they are poured into a mold of any shape and solidified by cooling to obtain a solid material of any shape, that is, jelly, or boiled into flesh and flesh. It is widely practiced to solidify fruit juice with pectin contained therein to obtain marmalade. In the industrial field, starch paste obtained from alkali-treated starch is widely used as an adhesive in the manufacture of paper products. Also, water-absorbing pads that use a property such as polyacrylic acid that exhibits a very strong water-absorbing property when in contact with water and become a gel are used as water-absorbing materials for diapers.

However, the gel-like product often has a high viscosity and low fluidity, which makes it difficult to operate the gel-like product. For example, in the case of the above-mentioned marmalade, in the state where the temperature is high and the fluidity is high immediately after production, it is possible to quickly subdivide into a large number of bottles in an accurate amount. Although possible, it is extremely difficult to subdivide marmalade that has cooled and has decreased fluidity.

Moreover, it is mentioned that the high viscosity and low fluidity of the gel-like product have narrowed its use range. For example, indigestible polysaccharides typified by glucomannan among polysaccharides, focusing on the fact that they have nutritional functions and dietary fiber functions that are difficult for human nutrition, It is attracting attention as a substance useful for maintaining health in the current diet that tends to be overdose. In particular, the intake of dietary fiber promotes the reduction of cholesterol in the blood, and since it is effective in preventing adult diseases such as myocardial infarction, diabetes, and colon cancer, its active use has been attempted. However, these polysaccharides are often difficult to ingest at a high concentration due to their high viscosity and low fluidity, which hinders effective use. In addition, there are many obstacles to the industrial design of foods containing a high concentration of polysaccharides due to the aforementioned operational problems with gelled materials.

  By the way, as a method of reducing the viscosity of starch and polysaccharides, there is an example in which the viscosity is reduced by mixing dextrin or maltodextrin which is a starch intermediate decomposition product (see, for example, Patent Documents 1 and 2). As a general liquefaction means, a starch liquefaction method using an α-amylase enzyme is widely used.

  That is, in the method of obtaining starch liquefaction in starch saccharification industry, starch milk and liquefying enzyme, starch-degrading enzyme, are mixed in advance and heated, and gelatinized by heating collapse of starch granules and gelatinized This is a method in which starch hydrolysis proceeds simultaneously. By selecting the type and combination of saccharifying enzymes in the starch liquefied product according to the final product to be obtained, starch-derived carbohydrates such as glucose, starch syrup and cyclodextrin are produced. In the starch saccharification industry, starch liquefaction is a pretreatment for smoothly promoting the action of saccharifying enzymes, and gelation due to gelatinization of starch is prevented, so that movement and mixing with saccharifying enzymes are performed smoothly. .

  However, for starch that has been pre-gelatinized and has a low-viscosity gel, it is difficult to move and mix with liquefied enzymes. The problem is that serious failures occur. As for protein, various proteolytic enzymes are present in the same manner as starch, so that the treatment itself is possible, but it is still difficult to operate on gel.

  Regarding other enzyme liquefaction of polysaccharides and polymers, a beverage production method using an enzyme that liquefies glucomannan has been proposed (for example, see Patent Document 3). However, it is liquefied by degradation of the polymer by hydrolysis, and in addition to the problem of operation, there is no commercially available enzyme or it is very expensive, resulting in increased manufacturing costs, so it is economical Industrial use is difficult for reasons.

  According to the acid decomposition method using a strong acid such as hydrochloric acid or sulfuric acid, it is thought that in principle it can be liquefied regardless of the type of gel, but it is not only a matter of operation but also a reaction vessel depending on the acid used. There arises a problem that corrosion of manufacturing equipment such as ancillary equipment and incidental equipment, and handling of acid and alkali to be neutralized are very dangerous.

  In addition, both the enzymatic degradation and acid degradation require the purity of the final product, for example in the food field, because the enzyme used, the acid, and the salts produced by the neutralization remain mixed in the liquefied product. In this case, it is necessary to remove the residue by an appropriate purification method such as filtration or ion exchange treatment. In this case, the process becomes complicated.

  In addition, when ion exchange treatment is performed, if the component of the liquefied product is charged, it may be adsorbed by the ion exchange resin used for the ion exchange treatment, resulting in a significant decrease in yield. It can be difficult.

In order to solve the above problems and improve operability, economy and convenience by liquefaction of a highly viscous and low flowable gel material, the present inventor has intensively studied. It was found that by applying irradiation, liquefaction occurred in a short time, and a liquid material could be obtained. And based on this liquid substance, it can dry-process further and can obtain the solid substance of the predetermined shape most suitable for the intended purpose.
JP 2003-2901 A (page 2-3, FIG. 1) Japanese Patent No. 3066568 (2nd page) JP-A-5-199856 (Page 2-4)

  Therefore, an object of the present invention is to provide a method for converting a gel having a high viscosity and a low fluidity into a solid having a predetermined shape which is most suitable for the purpose of use easily and efficiently.

  That is, the invention of claim 1 irradiates the gel material with ultrasonic waves to form a liquid material, and the liquid material is dried to form a solid material of a predetermined shape. According to the manufacturing method.

  The invention according to claim 2 is a method for producing a solid from a gel-like material according to claim 1, wherein the liquid material is dried on a dish-like drying plate to obtain a plate-like solid material. Concerning.

  The invention according to claim 3 is a method for producing a solid from a gel-like material according to claim 1, wherein the liquid material is poured into a mold and dried to obtain a solid material having a predetermined shape. Related.

  In the invention of claim 4, the gel-like material is irradiated with ultrasonic waves to form a liquid material, the liquid material is dried into a powder material, and the powder material is compressed into a solid material of a predetermined shape. The present invention relates to a method for producing a solid from a gel-like material.

  According to a fifth aspect of the present invention, the liquid material is dried with a spray dryer to form a powdery material, and the solid material is plate-shaped, granular, or rod-shaped. According to the manufacturing method.

  In the invention of claim 6, the gel-like material contains at least one or more of polysaccharides, proteins, polyacrylic acids, polymethacrylic acids, polyvinyl alcohols, polyethylene glycols and derivatives thereof. It concerns on the method of manufacturing a solid substance from the gel-like substance of any one of Claims 1 thru | or 5.

  According to the method for producing a solid from the gel according to the first aspect of the invention, a liquid can be obtained from the gel by irradiating the gel with an ultrasonic wave. Therefore, for example, even a pregelatinized high-viscosity and low-fluidity gel can be liquefied in a short time by ultrasonic irradiation, improving operability and convenience. it can. And based on this liquid substance, it can further dry-process and can obtain the solid object of the predetermined shape most suitable for the intended purpose.

  According to the manufacturing method according to the invention of claim 2, since the liquid material is dried on a dish-shaped drying plate to obtain a plate-shaped solid material, the plate-shaped solid material corresponding to the purpose of use is obtained. It can be easily and easily molded.

  According to the manufacturing method of the invention of claim 3, the liquid material is poured into a mold and dried to obtain a solid material having a predetermined shape. It can be easily molded.

  According to the manufacturing method of the invention of claim 4, the gel material is irradiated with ultrasonic waves to form a liquid material, the liquid material is dried to form a powder material, and the powder material is compressed to obtain a predetermined shape. Since it becomes a solid product, a solid product having a predetermined shape most suitable for the intended purpose can be obtained easily and easily.

  According to the manufacturing method of the invention of claim 5, since the liquid material is dried with a spray dryer to form a powdery material, continuous and large-scale drying is easily and easily performed efficiently and economically. It can be carried out. Furthermore, since the solid is plate-shaped, granular or rod-shaped, these can be easily and easily formed into a solid having a predetermined shape most suitable for the purpose of use by a conventionally known apparatus.

  According to the production method of the invention of claim 6, the gel-like product is not only a polysaccharide and a protein, but also at least one of polyacrylic acids, polymethacrylic acids, polyvinyl alcohols, polyethylene glycols, and derivatives thereof. 1 or more types can be contained. Therefore, according to the present method, conventionally, for example, commercially available enzymes are not present or very expensive for polysaccharides and polymer liquefaction other than starch without using such enzymes, And even if it is a highly viscous and low fluidity gel-like substance, a liquid substance can be obtained economically and simply. And based on this liquid substance, it can further dry-process and can obtain the solid object of the predetermined shape most suitable for the intended purpose.

  Hereinafter, embodiments of the present invention will be described in detail. FIG. 1 is a schematic process diagram showing an outline of a process for carrying out the present invention, and includes a step of irradiating a gel-like material with ultrasonic waves to form a liquid material, and a step of drying the liquid material to form a solid material. . FIG. 2 is a schematic view showing an example of an ultrasonic irradiation apparatus used in the present invention. FIG. 3 is a schematic view showing a step of drying the liquid material on a dish-like drying plate to obtain a plate-like solid material. FIG. 4 is a schematic diagram showing a process of injecting the liquid material into a mold and drying it to obtain a solid material having a predetermined shape, and FIG. 5 is a diagram of drying the liquid material to form a powder material. It is the schematic which shows the process of compressing and making it the solid substance of a predetermined shape.

  As specified in the invention of claim 1, a liquid material is obtained by irradiating the gel-like material with ultrasonic waves. Here, the solid content concentration of the gel is not particularly limited, but is preferably 1% by weight or more, and more preferably 10% by weight or more from the viewpoint of economically obtaining the decomposed product. In addition, the viscosity of the gel-like material irradiated with ultrasonic waves is not particularly limited, but it is not limited to a soft gel-like material having a viscosity of about 400 mPa · s, but also to a hard gel-like material having a viscosity of 40,000 mPa · s or more. Application of the method is possible. In addition, a viscosity is an example when using a B-type viscometer (TVB-10 by Toki Sangyo Co., Ltd.), adjusting a rotor and rotation speed suitably, and measuring it at the temperature of 50 degreeC.

  Furthermore, as defined in the invention of claim 6, the gel-like product is at least one of polysaccharides, proteins, polyacrylic acids, polymethacrylic acids, polyvinyl alcohols, polyethylene glycols, and derivatives thereof. It can be set as the gel containing a seed or more.

  The method for preparing the gel is not particularly limited, and examples thereof include swelling by polymer immersion, dissolution and heating by stirring, chemical treatment, and a combination thereof. Moreover, the solvent used for the preparation of the gel is not particularly limited, such as water, an organic solvent or a mixture thereof.

  As for the properties of the liquid obtained by irradiating the gel-like material with ultrasonic waves, the degree of liquefaction is arbitrarily adjusted according to the form of ultrasonic irradiation. The liquid material can be used alone for pasting, trotting, viscosity imparting, etc., and can be mixed with an arbitrary substance to prepare a composition.

  The frequency of the ultrasonic wave applied to the gel can be selected from a frequency of 20 KHz to 400 KHz. In addition, the conditions such as the irradiation type, irradiation time, intensity, and amount of gel in ultrasonic irradiation are not particularly limited. The frequency of ultrasonic irradiation is from 10 KHz to 10 MHz, preferably from 20 KHz to 2 MHz, from 20 KHz to 1 MHz, from 20 KHz, from the power consumption of the ultrasonic irradiation device, the processing efficiency when irradiating the gel-like object with ultrasonic waves, and the like. It is assumed that 400 KHz, and more preferably 20 KHz to 100 KHz is suitable.

  Moreover, it may be carried out continuously by preparing the gel-like material and irradiating ultrasonic waves at the same time, or by appropriately inserting the object to be processed and taking out the object to be processed. Furthermore, by combining with conventional acid liquefaction methods such as acid decomposition method and enzyme decomposition method, these treatment methods can also be utilized as means for economically advancing these treatment methods at high concentrations. In addition, liquefaction and mixing can be carried out simultaneously by irradiating with ultrasonic waves after coexisting a substance desired to be mixed with the gel.

  An example of the gel-like product liquefying apparatus used in the present invention will be described. In FIG. 2, a gel-like product liquefying apparatus 1 includes an oscillator 2 that oscillates a signal, a wattmeter 3 that measures the oscillated signal output, and an oscillation. The vibrator 4 is vibrated by the received signal, the irradiated object 5 is irradiated with ultrasonic waves generated by the vibration of the vibrator, and the container 6 of the irradiated object. For example, the container 6 may be a stainless steel cylinder having an open upper surface and a closed lower surface. After putting the irradiated object 5 in the container 6, the vibrator 4 is brought into direct contact with the irradiated object 5 from the open side of the container 6. A signal is oscillated from the oscillator 2 to the vibrator 4 so that the irradiated object 5 is irradiated with ultrasonic waves, and its output is monitored by the wattmeter 3. After performing ultrasonic irradiation to an arbitrary degree, the signal from the oscillator 2 can be stopped, and the irradiated object 5 can be taken out from the container 6.

  The liquid material obtained in the above process is susceptible to microbial contamination. For long-term storage and transportation in liquid form, special equipment management such as the installation of highly hygienic containers and careful pipe cleaning is required. Is needed. On the other hand, the risk of microbial contamination can be solved by quickly reducing the water content of the obtained liquid to a solid. In addition, since it is a solid substance, not only efficient storage and distribution are possible under general management conditions, but also operations such as formulation and preparation during use are re-dissolved to an arbitrary concentration, It can be carried out even in a product or powder form.

  Next, the drying process will be described. The liquid obtained by the ultrasonic irradiation process is turned into a solid by drying. Drying can be arbitrarily performed by a known method using a heating plate, a heating roller, a baking mold, an oven, a heating press, freeze drying, or the like. Moreover, the solid substance of the predetermined shape obtained by drying can also be grind | pulverized according to the objective, and the powdery substance of a suitable particle size can also be obtained.

  Further, as defined in claim 2 and as shown in FIG. 3, the liquid material can be dried on a dish-shaped drying plate to obtain a plate-shaped solid material. Depending on the properties of the target plate-like solid, an additive such as a water retention agent or a softening agent such as glycerin can be mixed with the liquid and dried. The drying atmosphere, the drying temperature, and the time are not particularly limited, and the drying atmosphere, the drying temperature, and the time can be dried in the air or in a vacuum, and are appropriately adjusted according to the properties, shape, thickness, and the like of the plate-like solid material. In order to uniformly dry a plate-like solid or a solid having a predetermined shape obtained by molding, drying may be performed by changing the drying temperature and time stepwise. It is also possible to obtain a powdery product by pulverizing a plate-like solid material.

  The material of the dish-shaped drying plate is not particularly limited, and a metal such as stainless steel or iron or a resin such as Teflon (registered trademark) can be used. Depending on the wettability of the drying plate and the viscosity of the liquid material, the liquid material may be difficult to spread smoothly on the drying plate, so the material of the drying plate is polyethylene terephthalate (hereinafter referred to as PET) having good wettability. The polyolefins are preferred. Furthermore, it is also preferable to improve the wettability of the dry plate by corona treatment or sand blasting, and to reduce the surface tension by adding a surfactant or adjusting the viscosity of the liquid material. It is also possible to apply a release agent such as silicon. The same applies to the molding die described below when the liquid material is poured into the molding die or when the powdery material obtained by drying the liquid material is compressed.

  The size of the dish-shaped drying plate is not particularly limited, and the drying plate having a size according to the purpose can be used. In particular, the size of the plate-like solid in the thickness direction can be prepared by changing the solid content concentration of the liquid or by overlapping several plate-like solids.

  Next, as defined in claim 3 and as shown in FIG. 4, when the liquid material is poured into a mold and dried to obtain a solid material having a predetermined shape, the plate-shaped solid material described above is used. As in the case of obtaining, an additive such as a water retention agent or a softening agent such as glycerin can be mixed with the liquid material and dried. The drying atmosphere, drying temperature, and time are not particularly limited, and are appropriately adjusted according to the properties, shape, thickness, and the like of the solid material. As the molding method, for example, injection molding, in-mold molding, cast molding, or the like can be appropriately selected depending on the purpose.

  Further, as defined in claim 4 and as shown in FIG. 5, when the liquid material is dried into a powdery material, and the powdery material is compressed to obtain a solid material of a predetermined shape, it is an object. Depending on the properties of the powdery material, for example, a binder, a dispersing agent, or the like can be added to the liquid material to obtain an optimum slurry for drying. The particle size, form, and the like of the powder are not particularly limited, and can be arbitrarily selected according to the properties of the target powder.

  As such a powdering method, as defined in claim 5, it is desirable to use a spray dryer which is a method for drying a liquid material which is rapid and continuous and has little influence on the content components. Moreover, according to the drying with a spray dryer, a large amount of the liquid material can be easily and efficiently dried economically.

  In the compression step, the powdery material can be compressed into a predetermined solid material, for example, a plate-shaped, granular, or rod-shaped solid material. As the compression device, a known compression roller, rolling roller, various press devices, granulating device, briquette machine, etc. can be appropriately used according to the desired properties or shape. For example, if a powdery material obtained by drying such as a spray dryer is pressure-molded, a solid material having a predetermined shape such as a plate shape, a granular shape or a rod shape can be easily obtained. It is also possible to add a binder or the like to the obtained powdery material so that it can be easily formed into a solid material having a predetermined shape.

  Next, examples of the liquid material in the present invention will be described. In performing each treatment, a gel-like product was prepared under the following predetermined conditions. The gel-like material is filled in a stainless steel cylindrical container having a diameter of 5.5 cm and a height of 4 cm, and the tip of a vibrator driven by the oscillation of an ultrasonic oscillator “Variable ultrasonic oscillator manufactured by Kowa Giken” ( 5 cm in diameter) was closely attached, and ultrasonic irradiation with 20 KHz and 100 W was performed for 30 minutes to obtain each liquid material.

[Processing Example 1]
Reagent “Glucomannan” (manufactured by Wako Pure Chemical Industries, Ltd.) 0.5 g of solid was added to 49.5 g of boiling deionized water while stirring to prepare 50 g of a gel-like product. In order to confirm the viscosity change with the time of ultrasonic irradiation, the ultrasonic irradiation time was changed between 5 minutes and 60 minutes. The relationship between the viscosity of the liquid obtained by the present invention and the ultrasonic irradiation time is as shown in Table 1 and FIG. It is clear that the gel-like material is liquefied by the ultrasonic irradiation of the gel-like material, and the viscosity lowers with the irradiation time. Moreover, about ultrasonic irradiation time, even if ultrasonic irradiation was performed for 30 minutes or more, there was almost no viscosity change after that. Therefore, each sample below was processed with an ultrasonic irradiation time of 30 minutes.

[Processing Example 2]
Commercially available corn starch “Corn Starch” (Futamura Starch Co., Ltd.) 5.0 g in solid conversion and 0.5 g sodium hydroxide reagent were dissolved in deionized water to prepare 50 g of a gel. This gel-like product was irradiated with ultrasonic waves in the same manner as in Treatment Example 1 for 30 minutes to obtain the treated product.

[Processing Example 3]
Commercially available corn starch “Corn Starch” (manufactured by Phutamura Starch Co., Ltd.) in a solid equivalent of 5.0 g was dispersed in deionized water and heated to prepare 50 g of a gel-like product. This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Processing Example 4]
A gel-like product was prepared in the same manner as in Processing Example 3 by using 5.0 g of solid potato starch “Kataguri” (manufactured by Okane Kane An) as a solid. This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Processing Example 5]
A gel-like product was prepared in the same manner as in Treatment Example 3 by using 1.0 g of solid equivalent of the reagent “gellan gum” (manufactured by Kanto Chemical Co., Inc.). This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Processing Example 6]
A gel-like product was prepared in the same manner as in Treatment Example 3 using 2.5 g of the solid amount of the reagent “sodium alginate” (manufactured by Kanto Chemical Co., Inc.). This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Processing Example 7]
A gel-like product was prepared in the same manner as in Treatment Example 3 by using 5.0 g of the reagent “pectin” (manufactured by Kanto Chemical Co., Inc.) as solids. This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Processing Example 8]
A gel-like product was prepared in the same manner as in Treatment Example 3 by using 0.5 g of the reagent “polyacrylic acid” (manufactured by Wako Pure Chemical Industries, Ltd.) as solids. This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Processing Example 9]
A gel-like product was prepared in the same manner as in Treatment Example 3 using 0.5 g of the solid equivalent of the reagent “polyvinyl alcohol” (manufactured by Kanto Chemical Co., Inc.). This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Processing Example 10]
A gel-like product was prepared in the same manner as in Treatment Example 3 by using 10 g of the solid equivalent of the reagent “polyethylene glycol” (manufactured by Merck). This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Processing Example 11]
A gel-like product was prepared in the same manner as in Processing Example 3 using 0.5 g of a solid equivalent of commercially available “gelatin” (manufactured by Maruha Corporation). This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Processing Example 12]
A gel-like product was prepared in the same manner as in Processing Example 3 using 0.1 g of a solid powder (agar) (manufactured by Ina Food Industry Co., Ltd.) as a solid. This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Processing Example 13]
A gelled product was prepared in the same manner as in Processing Example 3 using 5.0 g of processed starch (starch phosphate prepared by a known method) in solid form. This gel-like product was irradiated with ultrasonic waves in the same manner as in Processing Example 2 to obtain the processed product.

[Evaluation of viscosity of each sample by ultrasonic irradiation]
FIG. 7 shows the measurement results of the viscosities before and after the ultrasonic irradiation in the samples of the processing examples 2 to 13. As is clear from FIG. 7, in any of the treatment examples, the viscosity was remarkably reduced by ultrasonic irradiation of the gel-like material.

[Processing Example 14]
A calcium hydroxide reagent was added to the treated product prepared in Treatment Example 3 to adjust the pH to 6.0, and then 30 U of α-amylase “Chrystase T-5 manufactured by Daiwa Kasei Co., Ltd.” was added and reacted at 50 ° C. for 3 hours Then, the pH was adjusted again to 4.5 with an oxalic acid reagent, 170 U of glucoamylase “Amanoenzyme Silvalase” was added, and the mixture was reacted at 50 ° C. for 72 hours to obtain a glucose solution.

[Comparative Example 1]
To 10 wt% starch liquefied liquid liquefied by continuous enzyme liquefaction equipment manufactured by Futamura Starch Co., Ltd., 30 U of α-amylase “Chrystase T-5 manufactured by Daiwa Kasei Co., Ltd.” was added and reacted at 50 ° C. for 3 hours. Then, the pH was adjusted again to 4.5 with an oxalic acid reagent, 170 U of glucoamylase “Amanoenzyme Silvalase” was added, and the mixture was reacted at 50 ° C. for 72 hours to obtain a glucose solution.

[Evaluation of glucose equivalent]
Table 2 shows the glucose content of the glucose solution obtained in Treatment Example 14 and Comparative Example 1. The amount of glucose was measured by the glucose equivalent (DE Dextose Equivalent) obtained by the Lane Einon method. According to Table 2, the glucose equivalent (DE) of the glucose solution obtained in Processing Example 14 is almost the same as that of Comparative Example 1, and the processed product of starch obtained by the present invention is a starch liquefaction solution conventionally used. It is clear that it can be used for the production of glucose as well.

[Processing Example 15]
After the calcium hydroxide reagent was added to the treated product prepared in Treatment Example 3 to adjust the pH to 6.0, cyclodextrin glucanotransferase “Umanzyme Co., Ltd. Contizyme” 15 U was added and reacted at 50 ° C. for 72 hours. A caustic cyclodextrin solution was obtained.

[Comparative Example 2]
A cyclodextrin solution was obtained by adding 15 U of cyclodextrin glucanotransferase “Contzyme manufactured by Amano Enzyme Co., Ltd.” 15 U to the 10% by weight starch liquefied liquid obtained in Comparative Example 1 and reacting at 50 ° C. for 72 hours.

[Evaluation of cyclodextrin content]
Table 3 shows a comparison of the cyclodextrin contents of the cyclodextrin solutions obtained in Treatment Example 15 and Comparative Example 2. The cyclodextrin content was measured by a high performance liquid chromatography method using an HPLC apparatus (RID-10A manufactured by Shimadzu Corporation). According to Table 3, the amount of cyclodextrin obtained in Treatment Example 15 was slightly higher than that of Comparative Example 2, and the treated product of starch obtained by the present invention produced cyclodextrin more than conventionally used starch liquefaction liquid. It is clear that this is suitable.

[Processing Example 16]
The processed product obtained in Processing Example 3 is uniformly poured onto a PET tray so as to be 100 g / m ² with a dried product, and dried in a dryer prepared in an 80 ° C. atmosphere, and then in a sheet form. I got a thing.

[Comparative Example 3]
Commercially available corn starch “Corn Starch” (manufactured by Phutamura Starch Co., Ltd.) in a solid equivalent of 5.0 g was dispersed in deionized water and heated to prepare 50 g of a gel-like product. An attempt was made to uniformly inject this gel-like material onto a PET tray so as to be 100 g / m ² as a dry product. Although this sample had high viscosity and could not be made uniform, it was dried as it was in a dryer prepared in an 80 ° C. atmosphere to obtain a sheet.

[Evaluation of workability]
Table 4 shows a comparison of the sheet-like materials obtained in Processing Example 16 and Comparative Example 3. Regarding this comparison, Treatment Example 16 is superior in any of appearance, transparency, and drying properties. In Comparative Example 3, the unevenness in thickness resulting from the fact that the coating could not be performed uniformly resulted in a difference in drying speed depending on the part, resulting in a decrease in quality. Clearly it is expensive.

It is a schematic process drawing showing the outline of the process of implementing this invention. It is the schematic which shows an example of the ultrasonic irradiation apparatus used for this invention. It is the schematic which shows the process of drying the said liquid substance on a plate-shaped drying board and obtaining a plate-shaped solid substance. It is the schematic which shows the process of inject | pouring the said liquid substance into a shaping | molding die and drying and obtaining the solid substance of a predetermined shape. It is the schematic which shows the process of drying a liquid substance into a powdery substance and compressing the said powdery substance to make a solid substance of a predetermined shape. It is a figure which shows the relationship between the viscosity of the liquid obtained by this invention, and ultrasonic irradiation time. The measurement result of the viscosity before and behind ultrasonic irradiation in each sample from processing example 2 to processing example 13 is shown.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Liquefaction apparatus of gel-like substance 2 Oscillator 3 Wattmeter 4 Vibrator 5 Object to be irradiated 6 Container

Claims (6)

  A method for producing a solid from a gel-like material, wherein the gel-like material is irradiated with ultrasonic waves to form a liquid material, and the liquid material is dried to form a solid material having a predetermined shape.   The method for producing a solid material from a gel-like material according to claim 1, wherein the liquid material is dried on a dish-shaped drying plate to obtain a plate-like solid material.   The method for producing a solid material from a gel-like material according to claim 1, wherein the liquid material is poured into a mold and dried to obtain a solid material having a predetermined shape.   A gel-like product characterized in that a gel-like product is irradiated with ultrasonic waves to form a liquid product, the liquid product is dried into a powder product, and the powder product is compressed into a solid product having a predetermined shape. To produce solids from   The method for producing a solid from the gel according to claim 4, wherein the liquid is dried with a spray dryer to form a powder, and the solid is plate-shaped, granular, or rod-shaped.   6. The gel according to claim 1, wherein the gel-like product contains at least one of polysaccharides, proteins, polyacrylic acids, polymethacrylic acids, polyvinyl alcohols, polyethylene glycols, and derivatives thereof. A method for producing a solid from the gel-like material according to claim 1.

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