JP4635144B2 - Process for producing edible refined pulverized coal - Google Patents

Description

  The present invention relates to a method for producing edible refined pulverized coal added to foods such as sheep and cookie, pharmaceuticals such as tablets and capsules, health functional foods and the like.

  Charcoal has an action of adsorbing intestinal gas and toxic substances in the human body, adsorbing impurities accumulated in the body and discharging them together with feces. The 14th revision Japanese Pharmacopoeia also has the name “medicinal charcoal” as a deterrent and intestinal preparation, and is used for adsorption of gas production due to diarrhea and abnormal fermentation of the digestive tract. 0.0g, 4-6g or more used for bowel disease. Bamboo charcoal is one of 489 additives other than chemically synthesized products that are approved for use as an existing additive in the Food Sanitation Law (Ministry of Health and Welfare Notification No. 120, 1996). Invention technologies for foods and the like in which this is blended have been proposed (see, for example, Patent Documents 1 and 2).

JP 2004-121238 A Registered Utility Model Publication No. 3092854

  Patent Document 1 states that “a edible charcoal to be added to food, a smoked treatment step for obtaining a non-carbonized material obtained by smoke-treating naturally dried bamboo at 50 to 60 ° C., and a temperature in the kiln by igniting the non-carbonized material. After scouring and carbonizing at 800-1100 ° C., a scouring step of slowly cooling to obtain raw coal, a coarse pulverizing step of roughly pulverizing the obtained raw coal to obtain a powder having a particle diameter of 2 to 5 mm, and this The powder obtained in the pulverization step is pulverized using a dry vibration mill, and this pulverized product is passed through a first mesh filter having a particle size upper limit set, and further removed by a second mesh filter having a particle size lower limit set. An edible charcoal characterized by being obtained through a fine powder process for obtaining fine powder having a particle size of 10 to 30 μm and 20 to 40 μm is disclosed, and Patent Document 2 discloses “naturally dried about 50 to 60 ° C. To obtain a non-carbonized material that has been smoked and heat treated, After scouring and carbonizing at an internal temperature of about 800 to 1100 ° C., gradually cooling and taking out the kiln according to the characteristics of the raw material, pulverizing it by the action of impact, shearing, and air current, it is about 0 according to the characteristics of the raw material. "Edible charcoal characterized by being processed to a particle size of .5 microns to 5 millimeters" is disclosed.

  However, Patent Documents 1 and 2 have the following problems. Even if pulverized edible charcoal is manufactured based on Patent Documents 1 and 2, it may be difficult to mix and homogenize with food. When making food, edible charcoal is generally mixed with water together with raw materials, but even if the particle size of edible charcoal is adjusted, the dispersibility in water is poor. Even if the fine powder of edible charcoal so far including Patent Documents 1 and 2 is put in water etc. and stirred well, there is a problem that granular lump (commonly called “dama”) can be formed in some places without being dispersed well. there were. As a result, even when the food was finished, a lump in which fine edible charcoal was partially agglomerated was formed, and the quality was lowered. Further, even when the charcoal is uniformly dispersed, there is a problem that the texture is rough when eaten when the particle size of the charcoal is coarse and the texture is deteriorated.

  The present invention solves the above-mentioned problems, a method for producing edible refined pulverized coal that has good dispersibility in water and is uniformly mixed with food, and has a good texture even when charcoal is blended in the food. The purpose is to provide.

In order to achieve the above object, the gist of the invention described in claim 1 is to immerse pulverized coal in strongly acidic electrolyzed water, and after stirring, take out only the precipitate that settles in the strongly acidic electrolyzed water of the pulverized coal, It is in the manufacturing method of edible refined pulverized coal characterized by drying this to edible refined pulverized coal. Here, “strongly acidic electrolyzed water” related to “soaking pulverized coal in strongly acidic electrolyzed water” means salt (sodium chloride purity of 99% or more and containing additives) in raw water (in principle tap water in Japan). Is an acidic aqueous solution mainly composed of hypochlorous acid obtained from the anode side by electrolyzing a saline solution (NaCl 0.1% or less) added in a minute amount in a diaphragm type electrolytic cell. And an acidic aqueous solution having a pH of 3 or less produced on the anode side.
The method for producing edible refined pulverized coal according to the second aspect of the present invention is the first aspect, wherein the pH of the strongly acidic electrolyzed water is in the range of 2.2 to 2.4.
The method for producing edible refined pulverized coal according to claim 3 is characterized in that, in claim 2, the pulverized coal is made of bamboo charcoal as a raw material and pulverized and sieved to have a particle size of 30 μm or less. .

As in the first aspect of the invention, the pulverized coal is immersed in strongly acidic electrolyzed water, and after stirring, only the precipitate that settles in the strongly acidic electrolyzed water is taken out of the pulverized coal, and this is dried and edible refined pulverized coal If it makes it, it will become refined pulverized coal with the good dispersibility to water. By mixing refined pulverized coal uniformly with food, it is possible to easily produce a good-quality product that does not form lump of pulverized coal.
As in the second aspect of the invention, when the pH of the strongly acidic electrolyzed water is within the range of 2.2 to 2.4, purified pulverized coal having good dispersibility in water can be secured stably.
As in the invention of claim 3, when the pulverized coal is made of bamboo charcoal as a raw material and pulverized and sieved to a particle size of 30 μm or less, the particle size of the charcoal is fine, so there is no rough feeling when eaten. . In addition, pulverized coal made of bamboo charcoal adsorbs harmful substances in the intestines, neutral fat, etc., and can improve bowel movement, so it can be used as an additive for foods, pharmaceuticals, etc. to improve such medical conditions. it can.

  The method for producing edible refined pulverized coal of the present invention has a good dispersibility in water and uniformly mixed with food, and even when charcoal is blended in the food, there is no graininess when eaten because the particle size is fine. In addition, while ensuring the excellent medicinal properties of charcoal, etc., it exhibits excellent effects such as being able to finish food with a good texture.

  Hereinafter, a method for producing edible refined pulverized coal (hereinafter referred to as “refined pulverized coal”) according to the present invention will be described in detail. FIGS. 1-6 is one form of the manufacturing method of the refined pulverized coal of this invention, FIG. 1 is the flowchart of the manufacturing method, FIG. 2 is a particle size accumulation curve graph of pulverized coal, FIG. 3 is a time-dependent change of a defecation odor odor degree. FIG. 4 is a time-dependent change diagram of the number of defecations, FIG. 5 is a time-dependent change diagram of the defecation odor odor concentration, and FIG. 6 is a change diagram of serum lipid components of mice.

  The manufacturing method of refined pulverized coal first produces coarsely crushed coal. Carbonization of charcoal raw materials such as bamboo and wood is performed by a known method, followed by preliminary pulverization in a crushing process to produce crushed coal (FIG. 1). In the present embodiment, charcoal raw material of bamboo (third grade or higher) is carbonized at 700 ° C. for 50 hours, and then coarsely crushed to have a particle size in the range of 0.2 mmφ to 2.0 mmφ. Charcoal. Furthermore, in this embodiment, in the next cleaning step, ultrasonic cleaning is performed using strong alkaline electrolyzed water, and then heat sterilization treatment with 105 ° C. saturated steam is performed in the heat sterilization step, and this is dried crude crushed coal. The reason for ultrasonic cleaning using strong alkaline electrolyzed water is to peel and remove the carbides, tars, and aqua from the skin adhering to the pre-ground bamboo charcoal surface. Strong alkaline electrolyzed water is effective in cleaning soils such as lipids and proteins that become a hotbed for sterilization, and also has a sterilizing effect. Thus, the coarsely crushed coal which passed through the washing process and the heat sterilization process can be used for food.

  Thereafter, in the pulverization step, the coarsely pulverized coal is supplied to the jet mill and ions generated by corona discharge from the static eliminator are introduced into the jet mill to pulverize the coarsely pulverized coal into pulverized coal. Positive and negative ions generated by causing a corona discharge with the static eliminator are introduced into a supply path of compressed air to be fed into the jet mill or into a pulverizing section main body of the jet mill. Crushed coal is pulverized into pulverized coal by the action of friction between the crushed coal and the jet mill wall or between the crushed coal by a jet mill as a fluid pulverizer. During the pulverization process, the pulverized coal becomes electrostatically charged, but by introducing ions generated by corona discharge from the static eliminator, ions of opposite polarity are attracted to the charged pulverized coal and the static electricity is moderated. A summed pulverized coal is obtained. FIG. 2 shows the properties of the pulverized coal (bamboo charcoal powder) using Miso bamboo, and Table 1 shows the other physical properties. Table 2 shows various chemical properties of the pulverized coal.

  Here, when pulverized coal is used for the addition of food or the like, a particle size of 30 μm or less is preferable in order to improve the texture, and this embodiment is followed by a sieving step which is a dry classification. Use pulverized coal with a diameter of 30 μm or less. Since the pulverized coal is neutralized, the sieving operation proceeds smoothly. As shown in Table 2, pulverized charcoal made from Miso bamboo has physical properties comparable to medicinal charcoal and activated carbon. Rich in ash (especially iron and potassium), it is useful as edible pulverized coal to be added to foods such as sheepskin and cookies, pharmaceuticals such as tablets and capsules, and health functional foods. Since the static elimination treatment is used in combination with the pulverization to pulverized coal, the pulverized coal can be easily screened without being affected by static electricity, and is extremely excellent in the production of edible pulverized coal.

  However, even if the pulverized coal is sieved to adjust its particle size, it does not disperse well when mixed with water as edible coal. The pulverized coal subjected to the static elimination treatment is effective for a sieving operation in dry classification, but is a hardly dispersible substance as it is, and has poor dispersibility in water despite being in a powder form. It is difficult to uniformly disperse the pulverized coal in water even with strong stirring and further stirring operation for a long time. The lump of pulverized coal powder is partially agglomerated in water, making it easy to create lumps. As a result, when the food is completed, a lump in which the powder of pulverized coal is partially aggregated is formed. The agglomerated portion is a lump of pulverized coal only, which deteriorates the texture when eaten and makes the food defective.

  Therefore, the present invention changes the pulverized coal having poor dispersibility in water to purified pulverized coal having good dispersibility. Injecting the pulverized coal into a receiving tank and injecting strong acidic electrolyzed water into the receiving tank, immersing the pulverized coal in strongly acidic electrolyzed water, stirring, allowing to stand for a predetermined time, and then, Of the pulverized coal, only the precipitate that settles in the strongly acidic electrolyzed water is taken out from the receiving tank, and dried to obtain purified pulverized coal having good water dispersibility. When the pH of the strongly acidic electrolyzed water is within the range of 2.2 to 2.4, a better refined pulverized coal is obtained, which is more preferable. Specifically, a strongly acidic electrolyzed water having a pH in the range of 2.2 to 2.4 is poured into the receiving tank, and as described above, bamboo charcoal is crushed and sieved with the raw material, and the particle size is 30 μm or less. After adding the pulverized coal in strong acidic electrolyzed water and adding a stirring operation for a predetermined time, leave it for about a day, and float or dissolve in strong acidic electrolyzed water. And remove only the precipitate. The precipitate is then dried in the drying step to the desired refined pulverized coal.

Here, “electrolyzed water is a general term for aqueous solutions obtained by electrolytic treatment of tap water or thin saline with weak DC voltage” (Okayama Prefectural Industrial Technology Center, Technical Information, No. 456). There are two types of electrolyzed water: strong acid electrolyzed water and strong alkaline electrolyzed water. According to the Functional Water Research Foundation: Functional Water (http://www.fwf.or.jp/kinousuinituite.htm) Electrolyzed water is “diaphragm-type electrolysis using saline (NaCl 0.1% or less) in which raw water (in principle, tap water in Japan) is added with a small amount of salt (sodium chloride purity 99% or more and no additives)”. It refers to an acidic aqueous solution mainly composed of hypochlorous acid obtained from the anode side by electrolysis in the tank, pH 2.2 to 2.7, effective chlorine concentration 20 to 60 ppm, redox potential +1. It shows a physicochemical property of 1 V or more. In addition, strong acid electrolyzed water, according to Chapter 1, “Strong acid electrolyzed water” attached to Chapter 1 of the MICJ Hospital Infection Prevention Committee 2001.10, is “in a two-tank electrolytic cell in which the anode and cathode are separated by an ion exchange membrane”. And acidic water having a pH of 3 or less formed on the anode side when electrolyzing about 0.1% saline. Strongly acidic electrolyzed water was designated as a food additive in June 2002 because it “has no risk of harming human health”.
The strongly acidic electrolyzed water referred to in the present invention is the same as the strongly acidic electrolyzed water of the Functional Water Research Promotion Foundation, but the raw water (in principle, tap water in Japan) is salt (sodium chloride purity of 99% or more and does not contain additives). ) Is an acidic aqueous solution mainly composed of hypochlorous acid obtained from the anode side by electrolyzing a saline solution (NaCl 0.1% or less) added in a minute amount in a diaphragm type electrolytic cell, An acidic aqueous solution with a pH of 3 or less produced on the anode side is used. More preferably, the pH is in the range of 2.2 to 2.4.

Strongly acidic electrolyzed water has bactericidal power, and it is approved as a food additive under the name of “hypochlorous acid water” as a new disinfectant. When the strongly acidic electrolyzed water comes into contact with the target bacteria, it is destroyed, and the strongly acidic electrolyzed water that has finished its function returns to just water. Unlike chemical disinfectants, after acting on the target bacteria and exerting a bactericidal effect, it expires quickly, so there is no residual toxicity. It is suitable for the method for producing edible refined pulverized coal of the present invention. It is also known to exhibit an excellent deodorizing effect due to its high oxidizing power.
However, it is not known that strongly acidic electrolyzed water becomes an improving agent (liquid) that increases dispersibility in water. The present inventors have found that strongly acidic electrolyzed water is an effective dispersion improver for enhancing the dispersibility of pulverized coal in water. That is, if pulverized coal is immersed in strong acid electrolyzed water, stirred, and only the precipitate that settles in strong acid electrolyzed water is taken out, the pulverized coal will change from a hardly water dispersible material to a good dispersible material. I found it.

  In this embodiment, after charging pulverized coal into the receiving tank, a predetermined amount of strongly acidic electrolyzed water having a weight ratio of pulverized coal and strongly acidic electrolyzed water of 1 to 2 is injected into the receiving tank, Submerge pulverized coal in strongly acidic electrolyzed water. Next, the pulverized coal in the receiving tank is stirred and left for a predetermined time (here, about one day). After that, the floating substance floating in the strong acid electrolyzed water, the dissolved substance dissolved in the electrolyzed water or the floating substance floating in the electrolyzed water is separated, and only the precipitate that settles in the strong acid electrolyzed water of the pulverized coal is separated. It is taken out from the receiving tank and dried to obtain a desired refined pulverized coal. The ratio of recovered as refined pulverized coal was 75 to 80% by weight with respect to the weight of the present pulverized coal put into the receiving tank. In the production process of obtaining refined pulverized coal from pulverized coal, most of the separated and removed substances were floated substances that floated on the strongly acidic electrolyzed water.

[Performance comparison test: Dispersibility of pulverized coal in water]
(1) Dispersibility of conventional products in water Dispersibility (wetting) of pulverized coal in water is an important factor for the efficacy and texture of processed foods and when humans eat them. In Table 3, the “wetting” of pulverized coal (conventional product) before treatment with strong acidic electrolyzed water was measured and shown as the difference between lots. In any lot, wetting was not sufficient, and improvement was considered necessary.

  In the test method, 50 mL of purified water was placed in a 50 mL beaker, 100 mg of bamboo charcoal powder (pulverized coal before treatment with strong acidic electrolyzed water) was allowed to stand on the surface of the water, and the state when sinking was observed. That is, after the sample of bamboo charcoal powder was allowed to stand, the time when part or all of the bamboo charcoal powder began to settle was measured. Note that the amount of the powder as it floated was observed until 300 seconds later, and the remaining amount was expressed using the approximate bulk as a guide.

(2) Relationship between treatment pH and wetting time Purified pulverized coal (bamboo charcoal fine powder) was treated by changing the pH of the strongly acidic electrolyzed water, and the wetting time was measured in the same manner as in Table 3. The results are shown in Table 4. When the pH of the strongly acidic electrolyzed water was 2.4 or less, rapid sedimentation was observed.

(3) Wetting characteristics of refined pulverized coal treated with strongly acidic electrolyzed water Compressed refined pulverized coal (bamboo charcoal fine powder) treated at pH 2.2 to 2.4 is added dropwise to the tablet surface with a drop of purified water. The disappearance time of the drop from the tablet surface was measured. As a result of the measurement, water droplets on the surface of the molded product made of the refined pulverized coal of the present invention disappeared in 1 second. On the other hand, no disappearance was observed in lot A in Table 3 even after 321 seconds and in lot B over 600 seconds.

  The refined pulverized coal obtained by the method for producing refined pulverized coal thus configured could be easily mixed with water and dispersed. Even if the conventional fine powder of edible charcoal was placed in water or the like and stirred sufficiently, granular lumps were formed in some places without being dispersed, but the refined pulverized coal was uniformly dispersed. Furthermore, by using refined pulverized coal having a particle size of 30 μm or less (FIG. 2), it was possible to finish the product with a good texture when eating a mixed food. In fact, when we made a prototype of mutton, fallen rice cake, and cookies made from the refined pulverized coal, we tried to taste it. I can no longer see it. The refined pulverized coal was well dispersed evenly in the food, and the excellent medicinal effect of the charcoal could be exhibited.

Fig. 3 to Fig. 5 show a test in which cookies or sheepskin containing this refined pulverized charcoal were repeatedly administered (subject to charcoal intake 2g / day) for 4 weeks to subjects aged 60 to 90 years (approximately 80 people who are bedridden and need care) As a result, all the subjects ate delicious cookies or yokan. FIG. 3 is a graph showing the odor evaluation of the defecation odor of the caregiver when the subject's diaper is changed. The odor intensity with respect to the days of feeding gradually decreased. FIG. 4 shows the change over time in the number of defecations, and it can be seen that refined pulverized coal has a bowel movement improving function. FIG. 5 shows the change over time in the defecation odor odor concentration. It can be seen that the smell of defecation odor also decreases.
In addition, using 5-week-old ddy-male mice, 2 groups (4 animals each) of the purified pulverized coal containing 5% feed group and the purified pulverized coal non-administered group, total cholesterol (TC), triglyceride A comparative test was conducted on (TG). Serum was collected from mice 8 weeks after breeding and the results of TC and TG measurements were shown in FIG. It can be seen that refined pulverized coal is effective in reducing neutral fat.
As described above, according to the method for producing this refined pulverized coal, a refined pulverized coal having high dispersibility in water can be obtained while having a stool improvement function by an excellent active ingredient of charcoal (bamboo charcoal). Delicious foods such as cookies, pills and other medicines, health functional foods, etc. can be made.

  The present invention is not limited to those shown in the above-described embodiments, and various modifications can be made within the scope of the present invention depending on the purpose and application.

It is one form of the manufacturing method of the edible refined pulverized coal of this invention, and is the flowchart of the manufacturing method. It is a particle size accumulation curve graph of pulverized coal. It is a time-dependent change figure of a defecation odor odor degree. It is a time-dependent change figure of the number of defecations. It is a time-dependent change figure of a defecation odor odor density | concentration. It is a change figure of the serum lipid component of a mouse | mouth.

Claims (3)

Soaking pulverized coal in strong acidic electrolyzed water, after stirring, take out only the precipitate that settles in strong acidic electrolyzed water out of the pulverized coal, and drying this to make edible refined pulverized coal A method for producing pulverized coal. The method for producing edible refined pulverized coal according to claim 1, wherein the pH of the strongly acidic electrolyzed water is in the range of 2.2 to 2.4. The method for producing edible refined pulverized coal according to claim 2, wherein the pulverized coal is made of bamboo charcoal as a raw material and pulverized and sieved to have a particle size of 30 µm or less.

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