JP6304673B1 - Mixed flour for rice flour bread, dough for rice flour bread, method for producing rice flour bread - Google Patents

Abstract

[PROBLEMS] To maintain a good bulge and texture despite not containing gluten, and to maintain a good texture for a long time, a rice flour bread mix powder, a bread dough for rice flour bread, and a method for producing rice flour bread To provide. The mixed flour for rice flour bread and the bread dough for rice flour bread according to the present invention contain a specific range of psyllium and soybean flour relative to the main component of rice flour, so it is good despite not containing gluten. In addition to providing a smooth bulge and texture, it becomes a mixed powder that can constitute a rice flour bread that maintains a good texture for a long time. In addition, since the obtained rice flour bread does not contain gluten, the problem of so-called gluten-containing bread (wheat flour allergy, etc.) can be avoided, and the consumption of cheap rice or rice flour can be increased. In addition, since the mixed powder is composed only of natural ingredients, it is gentle to the body and nature. [Selection figure] None

Description

  The present invention relates to a mixed powder for rice flour bread, a bread dough for rice flour bread, and a method for producing rice flour bread. More specifically, the present invention relates to a gluten-free mixed flour for rice flour bread, a bread dough for rice flour bread, and a method for producing rice flour bread.

  Wheat flour is used as the main raw material for fermented bread. Moreover, it can be set as the gluten provided with viscoelasticity by adding and knead | mixing with respect to the protein gliadin and glutenin which are contained in this wheat flour.

  And, by storing carbon dioxide gas generated by fermentation of gluten consisting of gliadin and glutenin in the bread dough, it is possible to improve the stretchability and elasticity of the bread dough, and as a result, expand the volume of the fermented bread become. Flour breads containing wheat flour as a main ingredient are preferred, and those that are plumply swollen are preferred, and the expansion of the volume of the fermented bread by the action of gluten described above is important for producing the swelling of the flour bread.

  In recent years, so-called rice flour bread using rice flour (rice flour) instead of wheat flour has been studied in order to cope with soaring grain prices, demand for increased consumption of rice or rice flour, and wheat allergy patients. ing. However, the protein that rice has does not contain gliadin or glutenin, so it cannot form gluten, and in order to embed carbon dioxide generated during fermentation, It was necessary to add gluten separately (for example, refer to Patent Document 1).

  However, when gluten is added to the bread dough of rice flour bread, not only can it be ingested by wheat allergy patients, but also celiac disease, which is an autoimmune disease triggered by an immune response to gluten, and non-celiac caused by gluten -It may cause gastrointestinal disorders, mental disorders, etc. due to gluten hypersensitivity (Non-Celiac Gluten Sensitivity: NCGS). Therefore, in order to avoid these obstacles and the like, the effectiveness of gluten-free foods has been reviewed, and studies on rice flour breads that do not use gluten are also being made (see, for example, Patent Document 2).

JP 2004-222548 A JP 2005-245409 A

  However, it has been difficult for rice flour breads containing no gluten provided so far to have a good bulge and texture. In addition, rice flour bread so far has been required to be improved because there is a problem that a good texture does not persist with the passage of time and does not last for a long time.

  The present invention has been made in view of the above problems, and in addition to having a good bulge and texture even though it does not contain gluten, the rice flour bread mix that maintains a good texture for a long time It is in providing the manufacturing method of flour, the bread dough for rice flour bread, and rice flour bread.

In order to solve the above-mentioned problem, the mixed flour for rice flour bread according to the present invention is 1.0 to 4.0 parts by mass of psyllium and 1.0 to 5 parts of soybean flour with respect to 100 parts by mass of rice flour and the rice flour. 0.0 part by mass, and is characterized by not containing gluten .

  In the above-described present invention, the mixed flour for rice flour bread according to the present invention is such that the content of the psyllium is 2.0 to 4.0 parts by mass with respect to 100 parts by mass of the rice flour, and the content of the soy flour is the rice flour. It is 2.0-4.0 mass parts with respect to 100 mass parts.

  In the above-mentioned present invention, the mixed flour for rice flour bread according to the present invention further comprises 1.0 to 5.0 parts by mass of pregelatinized rice flour with respect to 100 parts by mass of the rice flour.

  The bread dough for rice flour bread according to the present invention is characterized by mixing the above-described mixed flour for rice flour bread according to the present invention and components containing sugar, salt, yeast and moisture.

  The method for producing rice flour bread according to the present invention comprises dividing, shaping, and fermenting the bread dough for rice flour bread formed by mixing the above-described mixed flour for rice flour bread according to the present invention and ingredients containing sugar, salt, yeast and moisture. And then firing.

  The mixed flour for rice flour bread and bread dough for rice flour bread according to the present invention contains a specific range of psyllium and soy flour with respect to the main component of rice flour, so that it does not contain gluten but has a good bulge and food. In addition to providing a feeling, it becomes a mixed powder or the like that can constitute a rice flour bread that maintains a good texture for a long time. In addition, since the obtained rice flour bread does not contain gluten, the problem of so-called gluten-containing bread (wheat flour allergy, etc.) can be avoided, and the consumption of cheap rice or rice flour can be increased. In addition, since the mixed powder is composed solely of natural sources, it is gentle to the body and nature.

  Moreover, the manufacturing method of the rice flour bread | pan which concerns on this invention can provide the rice flour bread | pan which has an above-described effect by a simple method.

  Hereinafter, one aspect of the mixed flour for rice flour bread according to the present invention will be described. The mixed flour for rice flour bread according to the present invention (hereinafter sometimes simply referred to as “mixed flour”) contains a specific range of psyllium and soybean flour with respect to the main component of rice flour.

  It does not specifically limit as rice flour used as a main component of mixed powder, The rice flour generally used can be used. Here, “rice flour” refers to raw rice flour, and there are no particular restrictions on the variety and properties of the raw rice, and raw rice flour obtained by pulverizing raw rice by various known milling methods (described later) can be used.

  The average particle size (average primary particle size) of the rice flour is generally preferably less than 100 μm and particularly preferably in the range of 30 to 80 μm from the viewpoint of producing a well-organized bread. It is not limited to this range. Moreover, if the moisture content of rice flour is in the range of 10 to 15%, it is good in terms of producing bread, but it is not particularly limited to this range.

  About the measuring method of an average particle diameter, the rough estimate of an average particle diameter can be measured by what is called "mesh pass" implemented by the practice of the rice flour industry, for example. The average particle diameter may be determined by, for example, the particle diameter at an integrated value of 50% in the volume-based particle size distribution measured by the laser diffraction scattering method (hereinafter the same applies to the average particle diameter).

  In addition, when the ratio of starch grains that have been cracked or damaged by the heat generated when crushing raw rice (starch damage rate) is high, the expansion rate will deteriorate, and this will affect the quality of rice flour bread. There is. Therefore, rice flour having a starch damage rate value of 5% or less is preferable, and 4% or less is particularly preferable. Here, the starch damage rate can be measured using a commercially available measurement kit. For example, “STARC DAMAGE ASSAY KIT” (manufactured by Megazyme) may be used, but is not limited thereto.

  As a method for milling rice flour, milling with a wet airflow pulverizer, pin milling, body milling, roll milling, stone milling, airflow milling, or the like can be used. From the viewpoint of damaged starch ratio and average particle size. Although it is preferable to set it as the rice flour milled with the wet airflow grinder, it is not limited to this.

  The mixed powder contains psyllium in addition to the main ingredient rice flour. Psyllium is also called “Psyllium Husque”, and is considered to mean natural dietary fiber that can be collected from the seeds or shell parts of psyllium (Oyako, Scientific name: Plantago asiatica) (“Psyllium 'Seed' Husque” etc.) Sometimes called.) Psyllium absorbs moisture and swells (it is considered to be 30 to 40 times). Therefore, adding psyllium in an appropriate amount as a component of bread dough made of mixed flour gives puff to rice flour bread. In addition, a good texture can be imparted for a long time.

  The content of psyllium is 1.0 to 4.0 parts by mass with respect to 100 parts by mass of rice flour. If the addition amount of psyllium is within such a range, the swell of the rice flour bread can be improved, the texture can be improved, and the texture can be maintained for a long time. When the content of psyllium is less than 1.0 part by mass, the effect of adding psyllium cannot be demonstrated, and the swelling of rice flour bread is insufficient, while when the content exceeds 4.0 parts by mass, It may absorb too much moisture and swell too much, and the dough is too sticky. As a result, the swell of the rice flour bread may be worsened and the texture may be adversely affected. Psyllium is preferably 2.0 to 4.0 parts by mass, particularly preferably 2.0 to 3.0 parts by mass with respect to 100 parts by mass of rice flour.

  The shape of the psyllium is not particularly limited. For example, a powdery so-called psyllium (husque) powder can be used.

  In addition, as for psyllium (psyllium husk), for example, you may make it use commercial items, such as "psyllium powder" (Kyo no Kusuriya), but it is not limited to this.

  The mixed powder contains soybean powder in addition to psyllium with respect to the main ingredient rice flour. By using soy flour in combination with the above-mentioned psyllium, there is also an interaction between both components, and by adding psyllium alone, a good swell and texture can be suitably imparted to rice flour bread, and good Can maintain a long texture.

  Soy flour is obtained through a (heated) drying step, a molting step, a pulverizing step, etc. of soybean (raw soybean flour is obtained by pulverizing soybeans raw and turning them into powders without heating). In general, soy flour has a unique smell and may not be preferred, so many of them have undergone a deodorization process (deactivation process). However, when soy is deactivated, a water-soluble nitrogen index (Nitrogen Solubility Index: NSI) Tend to decrease. From the above, it is preferable to use soybean powder that suppresses the inactivation of soybean as much as possible. For example, raw soybean powder or soybean powder that has been heated, dried, shed and ground (deactivation process) Soy flour obtained without going through (deodorizing step) may be used.

  In addition, the water-soluble nitrogen index of soy flour affects the fluffiness of rice flour bread during baking of rice flour bread, the higher the value, the more the rice flour bread swells, while the lower the value Rice flour bread will not swell. Most of the protein contained in raw soybeans is water-soluble, but when soybeans are heated, the protein (which constitutes the enzyme) is denatured and becomes insoluble in water. The water-soluble ratio in the total protein nitrogen is the water-soluble nitrogen index (NSI) (%), and the degree of soy protein denaturation (enzyme denaturation) can be determined from the value of the water-soluble nitrogen index. In the present invention, the soybean powder preferably has a water-soluble nitrogen index of 70% or more, particularly preferably 75 to 90%, but is not particularly limited to this range.

  A commercial item may be used for the soybean powder used. Examples of the commercially available product include “Marugoto Soy Flour” (Asahi Engineering Co., Ltd. (Soy Marugoto Kobo)), but are not limited thereto.

  The soy flour content is 1.0 to 5.0 parts by mass with respect to 100 parts by mass of rice flour. If the content of soy flour is within such a range, it can be used in combination with the above-mentioned psyllium to improve the bulge of rice flour bread, and the texture can also be improved. Can last for a long time. If the content of soy flour is less than 1.0 part by mass, the effect of adding soy flour cannot be demonstrated, while if the content exceeds 5.0 parts by mass, the balance with other components such as psyllium becomes poor. On the contrary, it may adversely affect the swelling and texture. It is preferable that soybean powder shall be 2.0-4.0 mass parts with respect to 100 mass parts of rice flour.

  The average particle size of the soybean powder is not particularly limited, but is preferably 5 to 50 μm, and particularly preferably 10 to 40 μm. If the average particle size of soybean powder is smaller than 5 μm, it may be difficult to handle and production efficiency may be reduced. On the other hand, when the average particle size of soybean flour is larger than 50 μm, the bread dough hardly swells and the resulting rice flour bread is rough, which may adversely affect the texture and the like.

  In addition to the above-mentioned psyllium and soybean powder, pregelatinized rice powder may be added to the mixed powder. “Α (alpha) rice flour” is rice flour that has been heat-treated by adding water to raw rice flour. This pregelatinized rice flour forms a strong starch-like starch network in the bread dough of rice flour bread or the rice flour bread itself, and functions to confine gas bubbles generated by fermentation of the bread dough. The bread dough and the bread of rice flour bread can be improved, and the texture can also be improved.

  When adding pregelatinized rice flour to mixed powder, it is preferable that content of pregelatinized rice flour shall be 1.0-5.0 mass parts with respect to 100 mass parts of rice flour. If the content of the pregelatinized rice flour is within such a range, the good swelling and texture of the rice flour bread can be improved. It is preferable that alpha gelatinized rice flour shall be 2.0-4.0 mass parts with respect to 100 mass parts of rice flour.

  The mixed flour for rice flour bread according to the present invention contains the above-described components as essential (if necessary, pre-gelatinized rice flour). However, when the mixed flour is used to make bread dough for rice flour bread (hereinafter simply referred to as “bread dough”) The other components (water, saccharides, salt, yeast, etc.) will be described.

  Bread dough contains moisture (water absorption). Although the typical moisture is water, the amount of moisture such as water in the bread dough may be a general amount as moisture used as a raw material in the manufacture of rice flour bread. For example, in 100 parts by mass of rice flour On the other hand, although it is preferable to set it as 80.0-100.0 mass parts, it does not specifically limit to this range. The temperature of water such as water may be room temperature and is preferably about 35 to 42 ° C., but is not particularly limited to this range.

  The yeast added to the bread dough may be any yeast that can be used for bread fermentation. For example, Saccharomyces cerevisiae (also called Saccharomyces cerevisiae) strain used for bread production (Saccharomyces cerevisiae) strain) Etc. The yeast may be dry yeast or fresh yeast.

  The yeast content may be appropriately adjusted according to the type of yeast and the type and content of other components such as rice flour, but is generally 1.0-3. Although it is preferable to set it as 0 mass part, it does not specifically limit to this range. It is desirable that the yeast be mixed with moisture (such as water absorption) in advance. Moreover, you may mix with rice flour or another component previously.

  The yeast pre-fermentation may be appropriately determined depending on the type of yeast, etc. Yeast that is not pre-fermented may be added to rice flour, mixed flour, bread dough, or yeast that has been pre-fermented. May be added to rice flour, mixed flour or bread dough.

  Bread dough can contain, for example, sugars such as sugar, salts such as salt, etc. Also, fats and oils (rice oil (rice oil), vegetable oils such as olive oil, animal fats such as butter, shortening, margarine, etc. In addition, the ingredients usually used in bread dough or (rice flour) bread dough may be added. For example, these components are preferably contained in the following range with respect to 100 parts by mass of rice flour, but are not limited to this range.

Sugar: 3.0-8.0 parts by mass with respect to 100 parts by mass of rice flour Salt: 1.0-2.0 parts by mass with respect to 100 parts by mass of rice flour Oil: 3.0-8 with respect to 100 parts by mass of rice flour .0 parts by mass

  Rice flour bread is produced by dividing, shaping, and fermenting rice flour bread dough, which is a mixture of the above-described mixed flour for rice flour bread (if necessary, pre-gelatinized rice flour) and ingredients containing sugar, salt, yeast and moisture. Then, it may be fired, for example, as follows. Bread dough can be obtained by mixing essential ingredients of the above-mentioned mixed flour for rice flour bread (pre-gelatinized rice flour is necessary), water and yeast (baking yeast), for example, water (water absorption) and other moisture , Saccharides such as sugar, salt such as salt, yeast, etc. and mixed with rice flour, psyllium, soybean flour, and, if necessary, a mixture of pregelatinized rice flour and fats and oils. The mixing order and means are arbitrary. Here, in ordinary wheat flour bread, kneading (referred to as kneading: a process of kneading a mixture of raw materials containing powder and liquid materials so that each component is uniformly dispersed) Although the bread dough in the present invention can be obtained, since the mixed powder does not have starch of the wheat flour component, the components are easy to mix with each other. It seems to be mixed well. Also, the molding described later can be easily performed by hand.

  Note that kneading or mixing can be easily performed by hand or the like by using a rubber spatula if necessary without using a conventional bread making apparatus. Moreover, dough can be made in one process. Further, the mixing or mixing conditions (mixing order of each component, temperature, time) may be performed between conventionally known conditions, and can be performed in one step as described above. You may make it perform.

  The obtained bread dough is, for example, divided by hand, shaped (including being put into a predetermined container if necessary), etc., and fermented by a conventionally known method used in ordinary bread production. For example, the fermentation may be performed after dividing the bread dough, or after dividing and forming the bread dough. Alternatively, the bread dough may be divided and formed after fermentation. Is optional. For example, fermentation of bread dough may be allowed to stand for about 20 to 50 minutes (more preferably about 30 to 40 minutes) at a temperature suitable for fermentation (for example, 30 to 40 ° C.). In the present invention, fermentation can usually be completed in one fermentation step, but in some cases, fermentation may be performed multiple times.

  The fermented bread dough can be baked to produce rice flour bread. The baking method of bread dough is not particularly limited, and a conventionally known method can be used. For example, the bread dough is baked by a conventionally known baking means such as an oven, a microwave oven, a kettle, etc. 220 ° C. and the like). The time for firing is not particularly limited, but is, for example, about 25 to 40 minutes. The firing temperature and firing time may be appropriately adjusted depending on the type and content of other components including rice flour. The firing may be performed in a plurality of steps.

  As described above, the mixed flour for rice flour bread and bread dough for rice flour bread according to the present invention contains a specific range of psyllium and soybean flour to rice flour, which is the main component, so it contains no gluten. In addition to providing a good bulge and texture, it becomes a mixed powder that can constitute a rice flour bread that maintains a good texture of the rice flour bread for a long time. Moreover, since the obtained rice flour bread does not contain gluten, the problem of so-called gluten-containing bread (wheat flour allergy, celiac disease, gastrointestinal disorders due to non-celiac gluten hypersensitivity, etc.) can be avoided, and cheap rice It also leads to increased consumption of rice flour. In addition, since the mixed powder is composed only of natural ingredients, it is gentle to the body and nature.

  And the manufacturing method of the rice flour bread | pan which concerns on this invention can provide the rice flour bread | pan which exhibits the above-mentioned effect by a simple method.

  The aspect described above shows one aspect of the present invention, and the present invention is not limited to the above-described embodiment, and has the configuration of the present invention and can achieve the objects and effects. It goes without saying that modifications and improvements within the scope are included in the content of the present invention. Further, the specific structure, shape, and the like in carrying out the present invention are not problematic as other structures, shapes, and the like as long as the objects and effects of the present invention can be achieved. The present invention is not limited to the above-described embodiments, and modifications and improvements within the scope that can achieve the object of the present invention are included in the present invention.

  As the mixed flour for rice flour bread of the present invention, rice flour, psyllium, soybean flour, and an embodiment containing pre-gelatinized rice flour as necessary were shown. You may make it handle as mixed powder in the state which contained salt, yeast, etc., etc.

  In addition, although “moisture” typified by water is required in bread dough, it is added as water, for example, using moisture from conventionally known beverages (milk, juice, etc.) May be.

It should be noted that components commonly used in conventional fermented bread (excluding gluten) may be added to mixed flour, bread dough or rice flour bread, and if necessary, emulsifiers, preservatives, fragrances as food additives. Although food additives such as colorants may be included, it is preferable not to include artificially manufactured food additives when it is desired to form naturally-derived rice flour bread.
In addition, the specific structure, shape, and the like in the implementation of the present invention may be other structures as long as the object of the present invention can be achieved.

  EXAMPLES Hereinafter, although this invention is demonstrated further in detail based on an Example and a comparative example, this invention is not limited to these.

[Example 1 to Example 7, Comparative Example 1 to Comparative Example 8]
Production of rice flour bread:
Rice flour bread was produced using the methods shown in the following (1) to (3). In addition, in Table 1, the composition (component and content (mass part)) of the mixed flour for rice flour bread used was shown. Moreover, Table 1 and the following "mass part" are values with respect to 100 mass parts of rice flour.

(1) Mixing process:
(A) To 85 parts by mass of water at about 40 ° C., 3.0 parts by mass of sugar and 1.4 parts by mass of sodium chloride were mixed well, and 2.0 parts by mass of yeast was further added and mixed.

(B) A rice flour bread mix powder having the composition shown in Table 1 was mixed with 5.0 parts by mass of rice oil (rice oil) as an oil and fat so as to be rubbed together.

(C) Said (a) was put into said (b), it mixed using the rubber spatula, and it was set as the bread dough.

(About ingredients)
Rice flour: Indica rice, domestically produced, 200 mesh (approx. 74 μm)
Psyllium: Psyllium powder (Kyo no Kusuriya Co., Ltd.)
Soy flour: Whole soybean powder (Asahi Engineering Co., Ltd. (Soy Whole Workshop)) (approx. 10 μm) (raw soybeans were dried by heating, peeled and pulverized. Not deactivated actively.)
Alpha rice flour: My Plus (Sara Akita Shirakami Co., Ltd.)
Yeast: Saccharomyces cerevisiae (Shirakami Kodama Yeast Dry G) (Akita Tojo Kasei Co., Ltd.)
Rice oil (rice oil): vegetable oil, Mizuho (Sanwa Yushi Co., Ltd.)

(2) Division and molding process:
The bread dough obtained in the above (1) was divided into 70 g per piece and formed into a desired shape (Kuppe type).

(3) Fermentation process:
The bread dough formed in (2) was fermented at 35 to 40 ° C. for 30 minutes.

(4) Firing step:
The bread dough fermented in the above (3) was baked in an oven at 160 to 200 ° C. for 25 to 30 minutes to solidify to obtain rice flour bread.

[Test Example 1]
Rice flour bread rating:
For the rice flour breads of Examples 1 to 7 and Comparative Examples 1 to 8 obtained, the evaluation items were “(1) swelling after fermentation”, “(2) swelling after baking”, “(3) As "texture" and "(4) texture after lapse of 18 hours after baking", they were compared and evaluated according to the following scores and contents. In addition, "(1) bulge after fermentation" evaluated the bulge after fermentation about the bread dough after "(3) Fermentation process" of "Manufacture of rice flour bread" mentioned above.

  The evaluation was “(1) swelling after fermentation”, “(2) swelling after baking”, and “(4) texture after 18 hours after baking” passed 3 or more respectively, “(3) texture” ”,“ 2 ”or more was accepted, and each item was judged as“ O ”, and other items were judged as“ X ”. Was rated). The results are shown in Table 1 together with the composition (the total score is also included for reference).

(1) Swelling after fermentation:
Score: Content 4: Fermentation is sufficient and swelling is ideal.
3: Inferior to 4, but no problem.
2: Inferior to 3 and insufficient swelling.
1: The swelling is completely insufficient.
0: The desired shape was not in a state where it could be formed by hand, and could not be evaluated.

(2) Swelling after firing:
Score: Contents
4: Swelling is ideal, and it is a swelled swell.
3: Inferior to 4, but no problem.
2: Inferior to 3 and insufficient swelling.
1: Insufficient swelling 0: The desired shape was not in a state where it could be formed by hand, and could not be evaluated.

(3) Texture:
Score: Contents
4: The texture is ideal and there is a comfortable and comfortable feeling.
3: Inferior to 4, but with no problem.
2: It is inferior to 3, but has a satisfactory texture.
1: The texture is insufficient.
0: The texture is completely insufficient and does not deserve evaluation as bread.

(4) Texture after 18 hours after baking (In Table 1, described as “texture after 18 hours”):
Score: Contents
4: After 18 hours, the state was almost unchanged from that immediately after production.
3: Inferior to 4, but no problem for eating.
2: Although it is in a hardened state, it can be eaten if heat is applied in an oven or the like.
The
1: A tattered texture remains even after re-baking in an oven or the like.
0: Even when heat-treated in an oven or the like, it is not worthy of evaluation as a bread.

(Composition and evaluation results)

  As shown in Table 1, the rice flour bread of the example manufactured using the mixed powder containing psyllium and soybean powder in a specific range and the bread dough by such mixed powder is good due to the interaction of psyllium and soybean powder. Swelling (after fermentation and after baking) was exhibited, and the texture was also good. In addition, even after 18 hours have passed since baking, the texture is maintained without any problem, the good texture is maintained for a long time, and each item evaluated is passed, and the overall evaluation is “◯”. .

  On the other hand, the rice flour bread of the comparative example that does not contain at least one of the specific amount of psyllium and soybean powder, or is manufactured using the mixed powder out of the specific range and the bread dough with such mixed powder, passes all the evaluation items. There was nothing to do and the overall evaluation was “x”.

  INDUSTRIAL APPLICABILITY The present invention can be advantageously used as a means for providing rice flour bread that has a plump bulge and can maintain a good texture for a long time without using gluten, and has high industrial applicability. is there.

Claims (5)

For rice flour and 100 parts by mass of the rice flour,
1.0 to 4.0 parts by weight of psyllium,
1.0-5.0 parts by mass of soybean powder,
A rice flour bread flour characterized by containing gluten and no gluten . The content of the psyllium is 2.0 to 4.0 parts by mass with respect to 100 parts by mass of the rice flour,
The soybean powder content is 2.0 to 4.0 parts by mass with respect to 100 parts by mass of the rice flour.
The mixed flour for rice flour bread according to claim 1, wherein   Furthermore, 1.0-5.0 mass parts of pregelatinized rice flour is contained with respect to 100 mass parts of said rice flour, The mixed flour for rice flour breads of Claim 1 or Claim 2 characterized by the above-mentioned.   A bread dough for rice flour bread, comprising a mixture of the rice flour bread flour according to any one of claims 1 to 3 and a component containing sugar, salt, yeast and moisture.   After dividing, shaping | molding and fermenting the bread dough for rice flour bread formed by mixing the rice flour bread mixed powder in any one of Claims 1 thru | or 3, and the component containing saccharides, salt, yeast, and a water | moisture content, it bakes. A method for producing rice flour bread characterized by comprising: