CN103876053B - Selenium-rich germinated brown rice snowflake rice flakes and processing method thereof - Google Patents

Selenium-rich germinated brown rice snowflake rice flakes and processing method thereof Download PDF

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CN103876053B
CN103876053B CN201310538361.7A CN201310538361A CN103876053B CN 103876053 B CN103876053 B CN 103876053B CN 201310538361 A CN201310538361 A CN 201310538361A CN 103876053 B CN103876053 B CN 103876053B
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selenium
rice
germinated brown
snowflake
brown rice
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CN103876053A (en
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汪登松
杜先锋
张立国
钱奕庭
赵家平
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ANHUI LUOLUO RICE INDUSTRY Co Ltd
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ANHUI LUOLUO RICE INDUSTRY Co Ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/30Foods or foodstuffs containing additives; Preparation or treatment thereof containing carbohydrate syrups; containing sugars; containing sugar alcohols, e.g. xylitol; containing starch hydrolysates, e.g. dextrin
    • A23L29/35Degradation products of starch, e.g. hydrolysates, dextrins; Enzymatically modified starches
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/30Foods or foodstuffs containing additives; Preparation or treatment thereof containing carbohydrate syrups; containing sugars; containing sugar alcohols, e.g. xylitol; containing starch hydrolysates, e.g. dextrin
    • A23L29/37Sugar alcohols
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/16Inorganic salts, minerals or trace elements
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products
    • A23L7/152Cereal germ products
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Nutrition Science (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Molecular Biology (AREA)
  • Mycology (AREA)
  • Inorganic Chemistry (AREA)
  • Cereal-Derived Products (AREA)

Abstract

The invention discloses selenium-rich germinated brown rice snowflake rice flakes and a processing method of the selenium-rich germinated brown rice snowflake rice flakes. The selenium-rich germinated brown rice snowflake rice flakes comprise the following raw materials in percentage by weight: 15-24% of selenium-rich germinated brown rice, 23-29% of milled rice with embryo, 13-22% of buckwheat, 16-25% of maltodextrin, 3-13% of pumpkin powder, 4-9% of semen sesami nigrum and 3-7% of xylitol. The processing method comprises the following steps in sequence: grinding the raw materials, adding water for stirring, grinding by gum, saccharifying and carrying out pregelatinization, drying the raw materials by using a steam rotary drum, crushing and separating, drying the raw materials in the air to obtain the selenium-rich germinated brown rice snowflake rice flakes of 5-7 meshes. The selenium-rich germinated brown rice snowflake rice flakes are fresh in taste, rich in nutrition, balanced in energy, instant to brew and drink, and convenient to eat.

Description

A kind of selenium-rich germinated brown rice snowflake rice sheet and processing method thereof
Technical field
The present invention relates to food technology field, particularly relate to a kind of selenium-rich germinated brown rice snowflake rice sheet and processing method thereof.
Background technology
Pursuit health, nutrition, balanced diet style have become the essential elements of evaluation of quality of life.Five cereals as traditional staple food, its always with boiling, the traditional food mode such as to boil and accepted extensively by people, in daily life, traditional edible way of single food materials can not meet the dietetic requirement of general equilibrium nutrition.Current, carry out the instant food that deep processing process obtains using five cereals as raw material, the nutritional requirement that can be suitable for crowd according to difference carries out the collocation of component and content, thus the comprehensive nutrition realizing five cereals enriches the requirement with balancing energy.In prior art, the deep processing application of five cereals lacks very much, and correspondingly deep-processed food is also very deficient.Therefore, how according to the nutritive peculiarity of five cereals, design for the requirement of different crowd to general equilibrium nutrition, to realize health, nutrition, balanced nutritional requirement, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
The present invention proposes a kind of selenium-rich germinated brown rice snowflake rice sheet and processing method thereof, the mouthfeel of described selenium-rich germinated brown rice snowflake rice sheet be pure and fresh, nutritious, balancing energy, can instant-drink, instant.
A kind of selenium-rich germinated brown rice snowflake rice sheet, its raw materials by weight comprises: 15 ~ 25% selenium-rich germinated brown rices, 22 ~ 28% rice germs, 16 ~ 24% buckwheats, 16 ~ 25% maltodextrins, 3 ~ 10% pumpkin powders, 4 ~ 9% Semen sesami nigrums, 3 ~ 8% xylitols.
In a particular embodiment, the content of described selenium-rich germinated brown rice can be 16%, 18%, 20%, 22%, 24%, the content of described rice germ can be 23%, 25%, 26%, 27%, the content of described buckwheat can be 17%, 18%, 20%, 22%, the content of described maltodextrin can be 18%, 19%, 20%, 22%, 24%, the content of described pumpkin powder can be 4%, 5%, 7%, 8%, 9%, the content of described Semen sesami nigrum can be 5%, 6%, 7%, 8%, and the content of described xylitol can be 4%, 5%, 6%, 7%.
As optimal technical scheme, the raw materials by weight of described selenium-rich germinated brown rice snowflake rice sheet comprises: 18 ~ 22% selenium-rich germinated brown rices, 24 ~ 26% rice germs, 16 ~ 22% buckwheats, 18 ~ 24% maltodextrins, 4 ~ 8% pumpkin powders, 3 ~ 7% Semen sesami nigrums, 4 ~ 6% xylitols.
As optimal technical scheme, the raw materials by weight of described selenium-rich germinated brown rice snowflake rice sheet comprises: 20% selenium-rich germinated brown rice, 25% rice germ, 20% buckwheat, 20% maltodextrin, 5% pumpkin powder, 5% Semen sesami nigrum, 5% xylitol.
The invention allows for a kind of processing method of selenium-rich germinated brown rice snowflake rice sheet, comprise the steps:
S1, to take selenium-rich germinated brown rice, rice germ, buckwheat and Semen sesami nigrum by proportioning and carry out grinding and obtain powder;
S2, the maltodextrin adding proportioning in described powder, pumpkin powder and xylitol the stirring that adds water obtains thickener, water temperature is 30 ~ 40 DEG C, and mixing time is 15 ~ 20min;
S3, described thickener carried out glue mill and obtain abrasive material;
S4, described abrasive material is delivered to steam roller tube drying machine storage material groove in carry out saccharification and pre-gelatinized obtains slurry;
S5, the cylinder surface described slurry being spread upon steam roller tube drying machine carry out drying, and the thickness smearing epithelium is 1.8 ~ 2.2mm, and the moisture being dried to epithelium is 3 ~ 7% take off and obtain skin graft;
S6, to described skin graft pulverizing separation obtain former of 5 ~ 7 objects;
S7, in air drier, carry out drying by described former and obtain described selenium-rich germinated brown rice snowflake rice sheet.
Preferably, in S1, the fineness of described powder is the percent of pass of every 100 eye mesh screens is more than 85%.
Preferably, in S2, described water temperature is 34 ~ 36 DEG C, and described mixing time is 16 ~ 18min.
Preferably, in S4, the drum surface temperature of described steam roller tube drying machine is set more than 145 DEG C.
Preferably, in S5, the thickness smearing epithelium is 1.8 ~ 2.0mm, and the moisture being dried to epithelium is 4 ~ 6% to take off.
Preferably, in S5, the drum surface temperature arranging steam roller tube drying machine is 145 DEG C ~ 155 DEG C, and in the cylinder of steam roller tube drying machine, steam pressure is 6 ~ 9MPa.
Preferably, in S2, water temperature is 35 DEG C, and mixing time is 18min; In S4, the drum surface temperature of described steam roller tube drying machine is 155 DEG C; In S5, the thickness smearing epithelium is 2.0mm, and the moisture being dried to epithelium is 5.0%, and the drum surface temperature of described steam roller tube drying machine is 150 DEG C, and in the cylinder of described steam roller tube drying machine, steam pressure is 8MPa.
In the present invention, the formula of selenium-rich germinated brown rice snowflake rice sheet comprises selenium-rich germinated brown rice, rice germ, buckwheat, maltodextrin, pumpkin powder, Semen sesami nigrum and xylitol, by the composition of each raw material of conservative control, selenium-rich germinated brown rice snowflake rice sheet is rich in the various nutrient elements such as the necessary selenium of human body, r-aminobutyric acid, carbohydrate, vitamin on the one hand, comprehensive nutrition, balancing energy, meet human body energy demand in every respect, on the other hand there is again good brew and mouthfeel, meet the high requirement of consumer in vision and the sense of taste.
Detailed description of the invention
A kind of selenium-rich germinated brown rice snowflake rice sheet that the present invention proposes, its raw materials by weight comprises: 15 ~ 24% selenium-rich germinated brown rices, 23 ~ 29% rice germs, 13 ~ 22% buckwheats, 16 ~ 25% maltodextrins, 3 ~ 13% pumpkin powders, 4 ~ 9% Semen sesami nigrums, 3 ~ 7% xylitols.
Based on above-mentioned selenium-rich germinated brown rice snowflake rice sheet, the present invention proposes a kind of processing method according to described selenium-rich germinated brown rice snowflake rice sheet, comprise the steps:
S1, to take selenium-rich germinated brown rice, rice germ, buckwheat and Semen sesami nigrum by proportioning and carry out grinding and obtain powder;
S2, the maltodextrin adding proportioning in described powder, pumpkin powder and xylitol the stirring that adds water obtains thickener, water temperature is 30 ~ 40 DEG C, and mixing time is 15 ~ 20min;
Described thickener is carried out glue mill and obtains abrasive material by S3;
S4, described abrasive material is delivered to steam roller tube drying machine storage material groove in carry out saccharification and pre-gelatinized obtains slurry; The drum surface temperature of described steam roller tube drying machine is set more than 145 DEG C;
S5, the cylinder surface described slurry being spread upon steam roller tube drying machine carry out drying, the thickness smearing epithelium is 1.8 ~ 2.2mm, the drum surface temperature arranging steam roller tube drying machine is 145 DEG C ~ 155 DEG C, in the cylinder of steam roller tube drying machine, steam pressure is 6 ~ 9MPa, and the moisture being dried to epithelium is 3 ~ 7% take off and obtain skin graft;
S6, to described skin graft pulverizing separation obtain former of 5 ~ 7 objects;
S7, in air drier, carry out drying by described former and obtain described selenium-rich germinated brown rice snowflake rice sheet.
Wherein, in S1, the fineness of described powder is the percent of pass of every 100 eye mesh screens is more than 85%, and this can make powder reach the swollen profit effect of water suction preferably in shorter mixing time, and can improve the utilization rate of raw material, increases follow-up pre-gelatinized degree;
In S2, consider the swollen profit effect of the water suction of powder, adopt limit to add the mode of waterside stirring, stir 15 ~ 20min at the warm water of 30 DEG C ~ about 40 DEG C, preferably under 34 ~ 36 DEG C of water temperatures, stir 16 ~ 18min, stirring concentration has predetermined viscosity with slurry and predetermined mobility is advisable.
In S3, the honed journey of glue not only can make all raw materials reach good mixed effect, and water-fast oil substances can be mixed with water, makes slurry be similar to emulsification, and makes the fineness that slurry reaches predetermined, can improve the quality of product;
In S4, saccharification react can improve color and luster and the mouthfeel of product, material after pre-gelatinized is convenient to drying and moulding, improve the utilization rate of heat energy and the production output of product, the steam roller tube drying machine wherein used has stronger heat endurance, its comparable saccharification and pre-gelatinized degree being easier to control slurry, thus reach the object controlling product color;
In S5, dry run uses steam roller tube drying machine to carry out drying, and the material through saccharification and pre-gelatinized can be made to obtain abundant slaking and better drying effect;
In S6, the granular size of selenium-rich germinated brown rice snowflake rice sheet is determined by regulating the density of comminutor screen cloth; Particularly, described skin graft is put into pulverizer coarse crushing, be then placed in comminutor carry out powder sheet be separated obtain former of 5-7 object;
In S7, carry out redrying to former, thus play resultant effect that is former, auxiliary material color better, extend the shelf life.
Below by concrete embodiment, described selenium-rich germinated brown rice snowflake rice sheet and preparation method thereof is described in detail.
Embodiment 1
A kind of selenium-rich germinated brown rice snowflake rice sheet that the present embodiment 1 proposes, its raw materials by weight comprises: 15% selenium-rich germinated brown rice, 29% rice germ, 13% buckwheat, 25% maltodextrin, 3% pumpkin powder, 9% Semen sesami nigrum, 6% xylitol.
The processing method of the rice of selenium-rich germinated brown rice snowflake described in the present embodiment 1 sheet comprises the steps:
S1, to take described selenium-rich germinated brown rice, rice germ, buckwheat and Semen sesami nigrum carry out grinding and obtain powder by proportioning, it is more than 85% that described flour crosses 100 eye mesh screen percent of pass;
S2, the maltodextrin adding proportioning in institute's powder is stated, pumpkin powder and xylitol the stirring that adds water obtains thickener, wherein water temperature is 30 DEG C, fully stirs stand for standby use after 20min;
S3, the described thickener that S2 is obtained put into colloid mill carry out glue mill obtain abrasive material;
S4, the described abrasive material obtained by S3 are delivered in the storage material groove of steam roller tube drying machine and are carried out saccharification and pre-gelatinized obtains slurry, and the surface temperature of steam roller tube drying machine is 155 DEG C;
S5, the cylinder surface slurry obtained in S4 being spread upon steam roller tube drying machine carry out drying, the thickness smearing epithelium is 1.9mm, the drum surface temperature of steam roller tube drying machine is 150 DEG C, in the cylinder of steam roller tube drying machine, steam pressure is 6MPa, and the moisture being dried to epithelium is 2.9% take off and obtain skin graft;
S6, pulverizer coarse crushing is put into skin graft described in S5, be then placed in comminutor and carry out powder sheet and be separated and obtain former of 5 ~ 7 objects;
S7, S6 is obtained former in air drier, carry out drying, obtain described selenium-rich germinated brown rice snowflake rice sheet.
Embodiment 2
A kind of selenium-rich germinated brown rice snowflake rice sheet that the present embodiment 2 proposes, its raw materials by weight comprises 22% selenium-rich germinated brown rice, 23% rice germ, 20% buckwheat, 16% maltodextrin, 12% pumpkin powder, 4% Semen sesami nigrum, 3% xylitol.
The processing method of the rice of selenium-rich germinated brown rice snowflake described in the present embodiment 2 sheet comprises the steps:
S1, to take described selenium-rich germinated brown rice, rice germ, buckwheat and Semen sesami nigrum carry out grinding and obtain powder by proportioning, it is more than 88% that described flour crosses 100 eye mesh screen percent of pass;
S2, the maltodextrin adding proportioning in described powder, pumpkin powder and xylitol the stirring that adds water obtains thickener, wherein water temperature is 37 DEG C, fully stirs stand for standby use after 16min;
S3, the described thickener obtained by step S2 are put into colloid mill and are carried out glue mill, obtain abrasive material;
S4, the described abrasive material obtained by S3 are delivered in the storage material groove of steam roller tube drying machine and are carried out saccharification and pre-gelatinized obtains slurry, and the surface temperature of steam roller tube drying machine is 150 DEG C;
S5, cylinder surface slurry described in S4 being spread upon steam roller tube drying machine carry out drying, the thickness smearing epithelium is 2.2mm, the drum surface temperature of steam roller tube drying machine is 145 DEG C, in the cylinder of steam roller tube drying machine, steam pressure is 9MPa, and the moisture being dried to epithelium is 7% take off and obtain skin graft;
S6, pulverizer coarse crushing is put into skin graft described in S5, be then placed in comminutor and carry out powder sheet and be separated and obtain former of 5 ~ 7 objects;
S7, S6 is obtained former in air drier, carry out drying, obtain described selenium-rich germinated brown rice snowflake rice sheet.
Embodiment 3
The kind selenium-rich germinated brown rice snowflake rice sheet that the present embodiment 3 proposes, its raw materials by weight comprises: 24% selenium-rich germinated brown rice, 23% rice germ, 22% buckwheat, 17% maltodextrin, 3% pumpkin powder, 4% Semen sesami nigrum, 7% xylitol.
The processing method of the rice of selenium-rich germinated brown rice snowflake described in the present embodiment 3 sheet comprises the steps:
S1, to take described selenium-rich germinated brown rice, rice germ, buckwheat and Semen sesami nigrum carry out grinding and obtain powder by proportioning, it is more than 87% that described flour crosses 100 eye mesh screen percent of pass;
S2, the maltodextrin adding proportioning in described powder, pumpkin powder and xylitol the stirring that adds water obtains thickener, water temperature is 35 DEG C, fully stirs stand for standby use after 18min;
S3, the described thickener that step S2 is obtained put into colloid mill carry out glue mill obtain abrasive material;
S4, the described abrasive material obtained by S3 are delivered in the storage material groove of steam roller tube drying machine and are carried out saccharification and pre-gelatinized obtains slurry, and the surface temperature of steam roller tube drying machine is 158 DEG C;
S5, cylinder surface slurry described in S4 being spread upon steam roller tube drying machine carry out drying, the thickness smearing epithelium is 2.1mm, the drum surface temperature of steam roller tube drying machine is 150 DEG C, in the cylinder of steam roller tube drying machine, steam pressure is 8MPa, and the moisture being dried to epithelium is 4.8% take off and obtain skin graft;
S6, pulverizer coarse crushing is put into skin graft described in S5, be then placed in comminutor and carry out powder sheet and be separated and obtain former of 5 ~ 7 objects;
S7, S6 is obtained former in air drier, carry out drying, obtain described selenium-rich germinated brown rice snowflake rice sheet.
Embodiment 4
A kind of selenium-rich germinated brown rice snowflake rice sheet that the present embodiment 4 proposes, its raw materials by weight comprises point: 20% selenium-rich germinated brown rice, 25% rice germ, 20% buckwheat, 20% maltodextrin, 5% pumpkin powder, 5% Semen sesami nigrum, 5% xylitol.
The processing method of the rice of selenium-rich germinated brown rice snowflake described in the present embodiment 4 sheet comprises the steps:
S1, to take described selenium-rich germinated brown rice, rice germ, buckwheat and Semen sesami nigrum carry out grinding and obtain powder by proportioning, it is more than 95% that described flour crosses 100 eye mesh screen percent of pass;
S2, the maltodextrin adding proportioning in described powder, pumpkin powder and xylitol the stirring that adds water obtains thickener, water temperature is 35 DEG C, fully stirs stand for standby use after 18min;
S3, the described thickener that step S2 is obtained put into colloid mill carry out glue mill obtain abrasive material;
S4, the described abrasive material obtained by S3 are delivered in the storage material groove of steam roller tube drying machine and are carried out saccharification and pre-gelatinized obtains slurry, and the surface temperature of steam roller tube drying machine is 155 DEG C;
S5, cylinder surface slurry described in S4 being spread upon steam roller tube drying machine carry out drying, the thickness smearing epithelium is 2.0mm, the drum surface temperature of steam roller tube drying machine is 150 DEG C, in the cylinder of steam roller tube drying machine, steam pressure is 8MPa, and the moisture being dried to epithelium is 5% take off and obtain skin graft;
S6, pulverizer coarse crushing is put into skin graft described in S5, be then placed in comminutor and carry out powder sheet and be separated and obtain former of 5 ~ 7 objects;
S7, S6 is obtained former in air drier, carry out drying, obtain described selenium-rich germinated brown rice snowflake rice sheet.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.

Claims (9)

1. a selenium-rich germinated brown rice snowflake rice sheet, is characterized in that, its raw materials by weight comprises: 15 ~ 25% selenium-rich germinated brown rices, 22 ~ 28% rice germs, 16 ~ 24% buckwheats, 16 ~ 25% maltodextrins, 3 ~ 10% pumpkin powders, 4 ~ 9% Semen sesami nigrums, 3 ~ 8% xylitols;
The processing method of described selenium-rich germinated brown rice snowflake rice sheet, comprises the steps:
S1, to take selenium-rich germinated brown rice, rice germ, buckwheat and Semen sesami nigrum by proportioning and carry out grinding and obtain powder;
S2, the maltodextrin adding proportioning in described powder, pumpkin powder and xylitol the stirring that adds water obtains thickener, water temperature is 30 ~ 40 DEG C, and mixing time is 15 ~ 20min;
S3, described thickener carried out glue mill and obtain abrasive material;
S4, described abrasive material is delivered to steam roller tube drying machine storage material groove in carry out saccharification and pre-gelatinized obtains slurry;
S5, the cylinder surface described slurry being spread upon steam roller tube drying machine carry out drying, and the thickness smearing epithelium is 1.8 ~ 2.2mm, and the moisture being dried to epithelium is 3 ~ 7% take off and obtain skin graft;
S6, to described skin graft pulverizing separation obtain former of 5 ~ 7 objects;
S7, in air drier, carry out drying by described former and obtain described selenium-rich germinated brown rice snowflake rice sheet.
2. selenium-rich germinated brown rice snowflake rice sheet according to claim 1, it is characterized in that, its raw materials by weight comprises: 18 ~ 22% selenium-rich germinated brown rices, 24 ~ 26% rice germs, 16 ~ 22% buckwheats, 18 ~ 24% maltodextrins, 4 ~ 8% pumpkin powders, 3 ~ 7% Semen sesami nigrums, 4 ~ 6% xylitols.
3. selenium-rich germinated brown rice snowflake rice sheet according to claim 2, it is characterized in that, its raw materials by weight comprises: 20% selenium-rich germinated brown rice, 25% rice germ, 20% buckwheat, 20% maltodextrin, 5% pumpkin powder, 5% Semen sesami nigrum, 5% xylitol.
4. the processing method of selenium-rich germinated brown rice snowflake rice sheet according to claim 1, is characterized in that, in S1, the fineness of described powder is the percent of pass of every 100 eye mesh screens is more than 85%.
5. the processing method of selenium-rich germinated brown rice snowflake rice sheet according to claim 1, is characterized in that, in S2, described water temperature is 34 ~ 36 DEG C, and described mixing time is 16 ~ 18min.
6. the processing method of selenium-rich germinated brown rice snowflake powder according to claim 1, is characterized in that, in S4, arrange the drum surface temperature of described steam roller tube drying machine more than 145 DEG C.
7. the processing method of selenium-rich germinated brown rice snowflake rice sheet according to claim 1, is characterized in that, in S5, the thickness smearing epithelium is 1.8 ~ 2.0mm, and the moisture being dried to epithelium is 4 ~ 6% to take off.
8. the processing method of selenium-rich germinated brown rice snowflake powder according to claim 1, it is characterized in that, in S5, the drum surface temperature arranging steam roller tube drying machine is 145 DEG C ~ 155 DEG C, and in the cylinder of steam roller tube drying machine, steam pressure is 6 ~ 9MPa.
9. the processing method of selenium-rich germinated brown rice snowflake rice sheet according to any one of claim 1-8, it is characterized in that: in S2, water temperature is 35 DEG C, and mixing time is 18min; In S4, the drum surface temperature of described steam roller tube drying machine is 155 DEG C; In S5, the thickness smearing epithelium is 2.0mm, and the moisture being dried to epithelium is 5.0%, and the drum surface temperature of described steam roller tube drying machine is 150 DEG C, and in the cylinder of described steam roller tube drying machine, steam pressure is 8MPa.
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