JP2019213526A - Food, etc. reducing steam - Google Patents

Abstract

To provide a reducing steam that prevents "oxidation", which is a cause of quality deterioration, occurring during heat processing of food, etc.SOLUTION: By adding and injecting a hydrogen gas into a high-temperature heated steam of 100°C or more at a volume ratio of 1% or more and 20% or less, a reducing steam having a strong reducing power toward an object at high-temperature based on the reducing power of hydrogen is produced. By the jet to food, etc., the antioxidation functional substance of the object is protected.SELECTED DRAWING: Figure 1

Description

  The present invention relates to reducing steam for foods and the like.

The heat treatment of a substance is always exposed to oxygen in the air, and heating proceeds under oxidizing conditions. Manufacturing processes such as the manufacture of foods and oils, the manufacture of pharmaceuticals, the manufacture of cosmetics, and the manufacture of other chemicals involve high-temperature heat treatment under oxidizing conditions. In the process, the components are oxidatively denatured due to the intense oxidation by oxygen in the air, and the quality is significantly reduced at present.
Although the technology of reduced steam and reduction heating of the present application does not generally exist, a method using hydrogen reduced water invented by the present applicant and a processing technology under antioxidant conditions using ultrafine bubble hydrogen water exist. .

Patent Literature 1 is an invention of the present applicant, and the title of the invention is "reducing hydrogen water for foods and the like and a method and apparatus for producing the same."
The method is a technique in which hydrogen gas is blown into water and stirred to produce reducing hydrogen water. Application to foods and the like is a method of immersing a cook in the hydrogen water, reducing the material to the inside, and heating the material together with the hydrogen water.

Patent Document 2 is also an invention of the present applicant, and the title of the invention is "a method for producing an ultrafine bubble having an oxidizing radical or a reducing radical by resonance foaming and vacuum cavitation and an apparatus for producing an ultrafine bubble water".
In the method, when ultrafine hydrogen bubbles are generated in water, the hydrogen bubbles float in the water for a long period of time and generate reducing radicals in the ultrafine bubbles to maintain and maintain the reducing power for a long time. The application to foods and the like is the same as in Patent Document 1.

Patent publication 08-056632 Patent publication 2006-043354

In the processing of foods and the like, heat processing is performed in order to cause changes in physical properties such as sterilization, softness, and chemical changes such as saccharification, and to promote ease of eating and digestion. When processing and producing a large amount of food, it is customary to perform heating processing with heated steam.
Generally used steam is generally used as it is as heating steam by boiling a water source or tap water in a boiler.
However, at the present time, the quality of the heating is greatly reduced due to denaturation by oxidation, such as destruction of antioxidant functional components.
To avoid this, it is necessary to provide a reducing power to the heating steam, which is a heat source for heating at a high temperature, and a heating method using the reducing steam has not been developed yet.
The problem of the present application is a steam having a reducing power by mixing hydrogen gas with heated steam, a method for producing and producing the steam, a reduction steaming heating method using the steam, and a steaming method and devices thereof. Further, there is provided a method and apparatus for reducing and kneading udon, bread, tooth brushing and other processes requiring kneading using the steam.

Steam is generated in the boiler, and the steam is sent to the adiabatic ejector through the adiabatic conducting pipe, hydrogen gas is sent from the hydrogen supply device to the adiabatic ejector, and the steam and the hydrogen gas are mixed. A reduced steam obtained by generating a steam containing an excellent hydrogen gas is used.
This reduced steam has a strong reducing power at a temperature of 100 ° C. to 120 ° C., and is sent by preventing heat from becoming water droplets with an insulating pipe, and is used for food, beverages, pharmaceuticals, cosmetics, and other products. It is possible to supply to a heat treatment which requires an industrial reduction action.

As shown in FIG. 1, the reduced steam generates steam in the boiler 1, sends the steam to the adiabatic ejector 3 through the adiabatic conduction pipe 2, sends hydrogen gas from the hydrogen supply device 8 to the adiabatic ejector 3, Mix steam and hydrogen gas in 3
A method for generating a homogeneous steam containing hydrogen gas by the steam gas homogenizer 4 and a method for supplying the reducing steam 7 to the reducing steam injection nozzle 6 by feeding the reducing steam 7 to the various processing devices requiring the reducing steam through the adiabatic conducting pipe 5. To provide a method for producing reduced steam having a step of injecting the reduced steam.

As shown in FIG. 1, the reduced steam generates steam in a boiler 1 and sends it to a heat-insulating ejector 3 through a conducting pipe 2 which has a function of dissipating the heat of the steam (hereinafter referred to as heat insulation).
A hydrogen gas is sent from the hydrogen supply device 8 to the adiabatic ejector 3, the vapor and the hydrogen gas are mixed by the adiabatic ejector 3, and a device for generating a vapor containing a uniform hydrogen gas by the vapor gas homogenizing device 4, Provided is a reduced steam producing apparatus having a process of feeding air to a required various processing apparatus by a heat insulating conductive pipe 5.

Reduced steam stably preserves the antioxidant compound contained in the material due to its strong reducing action during the heating stage of food processing, pharmaceutical manufacturing, and cosmetics manufacturing, and produces highly functional foods, pharmaceuticals, and cosmetics It is possible.
In the manufacturing process, steam is generated in the boiler 1, the steam is sent to the heat-insulating ejector 3 through the heat-insulating conducting pipe 2, hydrogen gas is sent from the hydrogen supply device 8 to the heat-insulating ejector 3, and the steam and hydrogen are sent to the heat-insulating ejector 3. The gases are mixed, and reduced steam containing homogeneous hydrogen gas is generated in the steam gas homogenizer 4.
Next, the reducing steam is guided to the steaming pot 17 by the heat-insulating conductive pipe 5, and steam is injected from the reducing steam injection port 6 toward the liquid or solid material 18 in the pot to heat and steam. By combining these technologies, an anti-oxidation-reduction heating method and a reduction heating device for preventing oxidation of a material are provided.

As shown in FIG. 2, as a device used in the antioxidant reduction cooking method, steam is generated in a boiler 1, the steam is sent to an adiabatic ejector 3 through an adiabatic conduction pipe 2, and the adiabatic ejector 3 is supplied from a hydrogen supply device 8. Hydrogen gas is sent to the steam generator, the steam and the hydrogen gas are mixed by the adiabatic ejector 3, and reduced steam is generated by the steam gas homogenizer 4 by a device that generates a uniform steam containing hydrogen gas.
Next, this is connected to the adiabatic conduction pipe 5, and the reducing steam injection port 6 of the reducing steamer A or the reducing steam injector 6 of the reducing steamer B is combined, and the antioxidant reduction steaming method and the reducing steaming apparatus are combined. provide.

In the kneaded products of food processing, pharmaceutical manufacturing, and cosmetics manufacturing, the antioxidative heating kneading process prevents the oxidative decomposition of functional components when kneading solid materials by heating.
The anti-oxidation heating kneading process is a method in which a reducing steam injection port 28 is provided in the kneading pot bottom 22 or the spatula 27 of the kneading machine, and the kneading operation is performed while blowing the reducing steam onto the processing material.
Specifically, steam is generated in the boiler 1, the steam is sent through the adiabatic conducting pipe 2, the hydrogen gas is mixed with the adiabatic ejector 3, and the mixed reduced steam is mixed with the steam gas homogenizer 4 to form a homogeneous hydrogen gas. The reducing steam is generated by a device that generates the containing steam.
The reduced steam connected thereto is sent to the reduced steam injection port 22 of the kneading apparatus C or the reduced steam injection port 28 of the kneading apparatus D by the adiabatic conduction pipe 26, and the reduced steam injection port 22 at the bottom of the kneading pot or The reducing steam is injected from the reducing steam injection port 28 of the spatula 27 of the kneading device to knead the plastic material 30.
As described above, the method of generating reducing steam and the method of injecting reducing steam from the reducing steam injection port 22 at the bottom of the kneading pot or the reducing steam injection port 28 of the spatula 27 of the kneading apparatus are combined to provide an antioxidative reduction kneading method. I do.

As an apparatus used in the antioxidant reduction kneading method, as shown in FIG. 3, steam is generated in a boiler 1 and the steam is sent to an adiabatic ejector 3 through an adiabatic conduction pipe 2.
Hydrogen gas is sent from the hydrogen supply device 8 to the adiabatic ejector 3, steam and hydrogen gas are mixed by the adiabatic ejector 3, and reduced steam is generated by the steam gas homogenizing device 4 that generates a uniform steam containing hydrogen gas. I do.
Next, it is connected to the reduction kneading devices C and D by the heat insulating conductive pipe 5, and in the reduction kneading device C, the injection port 22 of the reduced steam from the bottom of the kettle or the injection port to the spatula 27 of the kneading device D. 28 are provided, and kneading is performed while preventing oxidation of the kneading material (plastic material) 30.
In the reducing and kneading apparatus D, the reducing steam is ejected from the injection port 27 of the spatula 28 when the spatula 27 is located at an intermediate position in the pot, that is, between the beginning of the kneading and the end of the kneading. The structure which blows out is adopted.
As described above, the reduction kneading apparatus D provides an antioxidant reduction kneading apparatus in which reduced steam is ejected from the injection port 28 of the spatula 27 toward the kneading material (plastic material) 30.
Example 1

Examination of properties of reduced steam 1) Test method Using a small steam generator, the steam was led to a pipe, an ejector was installed in the middle of the pipe, and the intake section of the ejector was connected to the hydrogen supply device.
Steam was generated, hydrogen gas was mixed into the steam by an ejector, and reduced steam was injected from an injection port.
The method of examining the properties of steam is to use a red oxide brown which shows reddish brown under oxidizing conditions and a gray to dark blue color under reducing conditions, and blows reducing steam.
2) Test results It was confirmed that when reducing steam was blown on reddish-brown iron oxide (iron rust), the iron oxide instantaneously changed from black gray to bluish gray and reduced iron was generated.
That is, it has been found that the reducing steam has a function of instantaneously changing the components of the substance to be cooked with a strong reducing power to the reducing conditions.
Example 2

Changes in properties of steamed rice by reduction steaming 1) Test method First, raw rice is washed with water, soaked for 3 hours, drained, placed on a steamer, and steamed with reducing steam.
The steaming device uses a small steam generator, guides steam to a pipe, installs an ejector in the middle of the pipe, and connects the suction unit of the ejector to the hydrogen supply device.
In steaming, steam is generated by a boiler, hydrogen gas is mixed into the steam by an ejector, steam gas is homogenized by a steam gas homogenizer, and reduced steam is injected from the bottom of the steamer into the rice using an injection port. I do. Controls usually use steam.
Investigations are based on the color of steamed rice and determine whether oxidation or reduction is occurring depending on the degree of browning due to heating.
2) Test results The color of steamed rice was compared with normal steam heating of the control and reduced steam heating. As a result, steamed rice subjected to reduced steam heating had a whiteness, which clearly prevented oxidation of antioxidant components. Turned out to be.

Possibility of industrial use

The reduced steam of foods and the like has a strong reducing power at high temperatures, and can protect the antioxidant functional components of the food to be processed from destruction from oxidation of substances during heat processing.
It protects antioxidant components destroyed during processing of foods, beverages, pharmaceuticals, cosmetics, etc., and enables the supply of highly functional products.
Accordingly, high-quality foods, beverages, pharmaceuticals, and cosmetics, which have been impossible in the past, will be produced.

  Reduction steam and its production equipment   Anti-oxidation-reduction steaming heater and anti-oxidation-reduction steamer A Anti-oxidation-reduction steaming heater B Anti-oxidation-reduction steamer   Antioxidant reduction kneading heating device C Steam injection kneading heating device from bottom of kettle D Steam injection kneading heating device from spatula

DESCRIPTION OF SYMBOLS 1 Boiler 2 Insulated conducting pipe 3 Insulated ejector 4 Steam gas homogenizer (insulated gas mixer)
5 Adiabatic reduction steam guide pipe 6 Reduction steam injection nozzle 7 Reduction steam 8 Hydrogen cylinder 9 Gas opening / closing valve 10 Cylinder gas pressure gauge (display of gas possession in cylinder)
DESCRIPTION OF SYMBOLS 11 Gas pressure reducing valve 12 Gas pressure reducing gauge 13 Gas flow meter 14 Needle valve 15 Gas cleaner 16 Gas air pipe 17 Reduction heating pot or reduction steaming heating device 18 Liquid or solid material 19 Reduction steaming device 20 Exhaust steam 21 above steamer 21 Boiler 22 for injecting reduced steam from the bottom of the kettle 22 Reduction steam injection nozzle 23 installed at the bottom of the boiler of the reduction kneader 23 Actuating motor 25 Reduction kneading device operated by reduced steam injection spatula 26 Adiabatic conduction pipe 27 for sending steam to the steam injection port of reduced steam spatula injection type kneading device Steam injection rotating spatula 28 of reduced steam spatula injection type kneading device The steam injection port 29 of the reduced steam spatula type boiler The steam injection rotating spatula operating motor 30 of the reduced steam spatula type boiler Kneading material (plastic material)

Claims (1)

To a food, a hydrogen gas having a reducing action of 1% to 20% by volume is added to a high-temperature heated steam of 100 ° C. or more, and injected based on the reducing power of hydrogen.
Reducing water vapor that has a strong reducing power to a target at a high temperature and is instantaneously reduced to protect the antioxidant functional substance of the target by injection.