CN110973489A - Stomach-nourishing spleen-tonifying fresh pressed rice and processing method thereof - Google Patents
Stomach-nourishing spleen-tonifying fresh pressed rice and processing method thereof Download PDFInfo
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/10—Cereal-derived products
- A23L7/143—Cereal granules or flakes to be cooked and eaten hot, e.g. oatmeal; Reformed rice products
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L11/00—Pulses, i.e. fruits of leguminous plants, for production of food; Products from legumes; Preparation or treatment thereof
- A23L11/05—Mashed or comminuted pulses or legumes; Products made therefrom
- A23L11/07—Soya beans, e.g. oil-extracted soya bean flakes
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
- A23L19/10—Products from fruits or vegetables; Preparation or treatment thereof of tuberous or like starch containing root crops
- A23L19/105—Sweet potatoes
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
- A23L19/10—Products from fruits or vegetables; Preparation or treatment thereof of tuberous or like starch containing root crops
- A23L19/115—Konjak; Konntaku
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/125—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives containing carbohydrate syrups; containing sugars; containing sugar alcohols; containing starch hydrolysates
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/30—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation
- A23L5/34—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation using microwaves
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P10/00—Shaping or working of foodstuffs characterised by the products
- A23P10/20—Agglomerating; Granulating; Tabletting
- A23P10/25—Agglomeration or granulation by extrusion or by pressing, e.g. through small holes, through sieves or between surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B3/00—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
- B02B3/12—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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Abstract
The invention relates to stomach-nourishing spleen-tonifying fresh pressed rice and a processing method thereof, wherein the processing method comprises the following steps: 100 portions of black rice, 60 to 80 portions of millet, 20 to 30 portions of black bean, 5 to 8 portions of sweet potato powder and 3 to 5 portions of konjak flavor powder. The process flow comprises the following steps: black rice, black bean, millet; magnetic separation and impurity removal; grinding; mixing uniformly; adjusting the moisture content; extruding and granulating; drying and cooling; polishing; and (6) packaging. The invention adopts microwave power of 400w and time of 3-4min for combined temperature control extrusion modification. Protein molecules in the fresh pressed rice flour-oat glucan graft mixture in a microwave field are frequently collided, hydrogen bond content in the molecules is changed, the space of the protein molecules becomes loose, double-helix four-section temperature-control extrusion curing is performed, a series of acting forces such as collision, high pressure, shearing and the like are performed, the molecular structure of the protein in the fresh pressed rice is changed, amino groups are exposed, the graft reaction of glucan and the amino groups is accelerated, the hydrophilicity, the solubility and the emulsibility of the protein rice are improved, the digestibility of the fresh pressed rice is improved, and the digestion and absorption are easy.
Description
Technical Field
The invention belongs to the field of functional rice, and particularly relates to stomach-nourishing spleen-tonifying fresh pressed rice and a processing method thereof.
Background
Modern urban life is high in pressure, and free radicals in a human body are increased by relieving pressure through alcoholism and smoking and by environmental pollution in life and the like, so that the aging of the skin of the human body and the physical degradation are accelerated. Causing a series of diseases, such as cancer, diabetes, senile dementia, etc. Therefore, anti-glycation and anti-oxidation are important.
Problems with rice processing today: the surface of rice grains is hardened in the traditional fresh rice pressing and drying process, and the internal water is difficult to evaporate; during the polishing process of the formed rice, the phenomenon of breaking the rice is easy to occur, so that the polishing rate is reduced, and the rice product is not good; the phenomena of water loss, mildew and worm damage of the traditional fresh pressed rice are generated in the storage process; the lack of sugar-containing food has great adverse effects on maintaining the nutrition balance of the human body and improving the metabolic capability of the human body.
The patent literature related to the present application discloses the following:
1. the invention discloses nutritional coarse cereal porridge and a preparation method thereof (CN 103284056A), and the high-nutritional food materials are matched to improve the taste of coarse cereals and improve the visual effect of the coarse cereal porridge. The method has the following defects: a large amount of water-insoluble dietary fiber causes low utilization rate of digestion and absorption.
2. A process for preparing nutritive composite rice (CN 102578479A) includes such steps as pulverizing raw materials, proportionally mixing, making rice in rice maker, cooling, microwave sterilization, cooling and packing. The method has the following defects: the temperature is high, and natural substances in the rice can be lost; after microwave sterilization, the packaging and the transportation process are difficult to avoid and pollution is not caused.
3. A health compound rice and its preparation method (CN 103494089A) are provided, which adopts granulation process to make into health compound rice with rice shape and cooking ability. The method has the following defects: in the granulating process, the rice quality is more scattered and is more similar to the shape of rice, and the adopted polishing technology causes broken rice, so that the formed rice rate is low, and the economic benefit is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the stomach-nourishing spleen-tonifying fresh pressed rice and the processing method thereof.
The technical scheme for realizing the purpose of the invention is as follows:
a stomach-nourishing spleen-tonifying fresh pressed rice and a processing method thereof are characterized in that: the method comprises the following steps:
preparation of fresh rice noodles
Removing impurities by magnetic separation, fine grinding to obtain fresh rice flour with fineness of 60-120 mesh;
second, freshly squeezed rice flour-oat glucan grafting compound
Uniformly mixing the freshly squeezed rice flour and oat glucan according to a weight ratio of 1:1, and adding 1: heating 10-20 weight parts of water in a water bath to 70 ℃, preserving heat for 0.5-2h, wherein the microwave power is 300-;
preparation of stomach-nourishing spleen-tonifying fresh pressed rice
(1) Blending: taking 100 parts of fresh pressed rice flour-oat glucan graft compound, 120 parts of sweet potato powder, 5-8 parts of konjak powder and 15-20 parts of purified water, and uniformly stirring;
(2) extruding and granulating: feeding the stirred materials into a double-screw extrusion granulator for granulation;
(3) the granulator is connected with an air conveyor, the formed composite rice is quickly blown into the bead-breaking pneumatic anti-adhesion fresh pressed rice conveying device, the fresh pressed rice is cooled and prevented from being adhered through the feeding hole, and meanwhile, an atomizing agent is sprayed and then dried;
(4) controlling the moisture content after drying to be below 15%;
(5) cooling the formed fresh pressed rice to 15-20 ℃ by convection type cold air, and polishing the formed fresh pressed rice by utilizing an atomization polishing technology.
And the four sections of the double-screw extrusion granulator are subjected to temperature control extrusion ripening, wherein the temperature of the 1 st zone is 55-60 ℃, the temperature of the 2 nd zone is 70-85 ℃, the temperature of the 3 rd zone is 120-135 ℃, the temperature of the 4 th zone is 50-65 ℃, the feeding rotating speed is 25-30 r/s, the rotating speed of a host is 20-26 r/s, and the rotating speed of a cutter is 15-30 r/s.
Moreover, the structure of the bead-breaking pneumatic anti-adhesion fresh pressed rice conveying device is as follows: including a feeding pipeline, feeding pipeline's one end and an air feeder are mutually linked, and this feeding pipeline's other end system has the discharge gate, its characterized in that: a feeding hole is formed in the side wall above the feeding pipeline between the air feeder and the discharging hole, the upstream of the feeding hole is communicated with a bead breaking chamber, the upstream of the bead breaking chamber is communicated with a cooling chamber, the cooling chamber is used for introducing materials, and the cooled materials are introduced into the feeding pipeline through the bead breaking chamber; a preservative sprayer and a microwave dryer are sequentially arranged between the feed inlet and the discharge outlet of the feed pipeline; the cooling chamber includes the cooling casing, the upper end of this cooling casing is provided with the feed inlet, the bottom is provided with the discharge gate, from top to bottom install multistage stock guide between feed inlet and discharge gate, one side and the cooling chamber inner wall of every stock guide are integrative fixed, form the clearance between opposite side and the cooling chamber inner wall, adjacent stock guide dislocation set, the level of every stock guide and cooling casing inner wall connection one side is higher than the opposite side, it has the air outlet to make respectively in the cooling casing inner wall of every stock guide and inner wall formation clearance one side, this air outlet and outside compressor intercommunication are used for deriving air conditioning.
The bead breaking chamber is spherical, a feed inlet is formed in the upper end of the bead breaking chamber, two openings are formed in the opposite bottom of the bead breaking chamber, two through holes are symmetrically formed in the side wall of the bead breaking chamber beside the discharge outlet, a rotating shaft penetrates through each through hole and is perpendicular to the horizontal plane, a cross arm is integrally and transversely mounted at the end part of each rotating shaft located in the bead breaking chamber, a stirring spoon is mounted at the end part of each cross arm, the two stirring spoons are arranged in parallel to the rotating shafts, the lower end part of each stirring spoon extends downwards, and a plurality of bead breaking balls are contained in the bead breaking chamber.
Moreover, in the extrusion granulation process, the microwave power of 400w is adopted on the device according to the microwave generating device.
The invention has the advantages and positive effects that:
1. microwave and extrusion composite modification for improving digestibility
The microwave power is 400w, and the time is 3-4 min. Protein molecules in the fresh pressed rice flour-oat glucan graft mixture in a microwave field are frequently collided, hydrogen bond content in the molecules is changed, the space of the protein molecules becomes loose, double-helix four-section temperature-control extrusion curing is performed, a series of acting forces such as collision, high pressure, shearing and the like are performed, the molecular structure of the protein in the fresh pressed rice is changed, amino groups are exposed, the graft reaction of glucan and the amino groups is accelerated, the hydrophilicity, the solubility and the emulsibility of the protein rice are improved, the digestibility of the fresh pressed rice is improved, and the digestion and absorption are easy.
2. Microwave combined low-pressure drying treatment technology
Drying by microwave technology can rapidly dry the surface of rice grains, generate temperature difference between the surface and the inside, harden the surface of rice grains, prevent the evaporation of the water inside the rice grains and ensure uneven drying of the rice grains. Under the vacuum condition, the atmospheric pressure is reduced, the moisture can be evaporated at 30-40 ℃, the microwave power is 500W, and the rice grain surface hardening caused by the drying process is avoided by combining low-pressure drying, the drying is incomplete, and the effects of short drying period, uniformity and high efficiency are achieved. The raw material dried at low temperature is not reduced, the texture is not hardened, and the loss of volatile substances is less.
3. Atomization polishing technology
The atomization liquid is 2% of propolis ethanol extract, 2% of beeswax solution and 2% of shellac, the whole atomization polishing process is in a closed temperature-changing environment, wind power which can be borne when the moisture content of the fresh pressed rice reaches 15% is calculated in the feeding polishing stage, 40-50 ℃ hot wind is introduced, the wind direction is vertically upward, the fresh pressed rice meeting the moisture content requirement is screened out, the temperature required by polishing is reached, the efficiency is improved, 10-15 ℃ cold wind is introduced in the discharge port stage, the wind direction is vertically upward, the formed rice meeting the moisture content requirement is screened out again, the low-temperature rapid film forming is reached, and the surfaces of the rice grains are smooth, bright and non-sticky. The temperature fluctuation of twice is combined with the screening of the moisture content, so that the purposes of no water loss, water loss prevention, insect prevention and fresh keeping of the rice grains are effectively achieved.
Drawings
FIG. 1 is a photograph of rice of the present invention.
FIG. 2 is a schematic structural view of a transfer device;
FIG. 3 is a partial cross-sectional view of the cooling chamber portion of FIG. 2;
fig. 4 is a partial cross-sectional view of the portion of the chamber of fig. 2.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
A stomach-nourishing spleen-tonifying freshly squeezed rice and a processing method thereof are disclosed, wherein the rice comprises the following components:
100 portions of black rice, 60 to 80 portions of millet, 20 to 30 portions of black bean, 5 to 8 portions of sweet potato powder and 3 to 5 portions of konjak flavor powder.
The process flow comprises the following steps: black rice, black bean, millet; magnetic separation and impurity removal; grinding; mixing uniformly; adjusting the moisture content; extruding and granulating; drying and cooling; polishing; and (6) packaging.
The process comprises the following specific operations:
1. preparation of freshly squeezed rice noodles
Removing impurities by magnetic separation, fine grinding to obtain fresh rice flour with fineness of 60-120 mesh;
mixing sweet potato powder and rhizoma Amorphophalli refined powder uniformly;
2. freshly squeezed rice flour-oat glucan grafted compound
Uniformly mixing the fresh pressed rice noodles and oat glucan (mass ratio) according to a ratio of 1:1, and adding 1: heating 10-20 weight parts of water in a water bath to 70 ℃, preserving heat for 1h, wherein the microwave power is 400w during heat preservation, then cooling to normal temperature, standing for 24h, and then freeze-drying and crushing for later use.
3. Preparation of stomach-nourishing spleen-tonifying fresh pressed rice
(1) Blending: taking 100 parts of fresh pressed rice flour-oat glucan graft compound, 120 parts of sweet potato powder, 5-8 parts of konjak powder, 3-5 parts of konjak fine powder and 15-20 parts of purified water, and uniformly stirring.
(2) Extruding and granulating: feeding the stirred materials into a double-screw extrusion granulator for granulation, extruding and curing the materials at four sections of a microwave combined fresh rice extruding and curing machine at a controlled temperature, molding and shearing the materials to prepare rice-grain-shaped composite rice, extruding and curing the composite rice at four sections of the extruding and curing machine at a controlled temperature, wherein the temperature of the 1 st zone is 55-60 ℃, the temperature of the 2 nd zone is 70-85 ℃, the temperature of the 3 rd zone is 120-135 ℃, the temperature of the 4 th zone is 50-65 ℃, the feeding speed is 25-30 r/s, the rotating speed of a main machine is 20-26 r/s, and the rotating speed of a cutter is 15-. In the extrusion granulation process, the microwave power of 400w is adopted on the device according to a microwave generating device.
(3) The granulator is connected with the pneumatic conveyor, blows in the broken pearl pneumatic anti-adhesion freshly squeezed rice conveyer's freshly squeezed rice with the compound rice of shaping fast and lowers the temperature and prevent it glutinous through the feed inlet, carries out the atomizing agent of spraying simultaneously, then dries.
(4) The water content after drying is controlled below 15%.
(5) Cooling the formed fresh pressed rice to 15-20 ℃ by convection type cold air, and polishing the formed fresh pressed rice by utilizing an atomization polishing technology.
The advantages and effects are as follows: the atomization and polishing of the composite liquid atomized wax ensure that the water content of the rice grains reaches the requirements of gelatinization and gelatinization, and the problem of broken rice when the freshly squeezed rice grains enter a polishing chamber is solved; after low-temperature film forming, the surface of the rice grains is brighter, the water of the rice grains is not lost, and the rice grains are effectively prevented from losing water, protected against insects and kept fresh.
(6) And (5) grading, screening and packaging.
1. Stomach-nourishing and spleen-invigorating effect
For comparison, 100 patients with spleen-stomach weakness were randomly selected as experimental subjects, and were randomly divided into 2 groups (A, B), group a consumed the above stomach-nourishing and spleen-invigorating nutrition-enriched fresh-pressed rice, group B consumed ordinary rice three times a day, 50g each time, other eating conditions and living environment were the same, and the treatment effect was observed after 2 months of continuous eating, with the results as shown in table 1.
TABLE 1 analysis of stomach and spleen invigorating effects
Note: the total effective rate described in table 1 above is the effective rate of rice for an individual to have a significant therapeutic effect of nourishing the stomach and invigorating the spleen.
As shown in table 1, the stomach-nourishing and spleen-invigorating effects of group a were significantly higher than those of the ordinary rice.
2. Analysis of nutrient composition
For comparison, the stomach and spleen nourishing type nutrition-enriched fresh pressed rice (A), the common stomach nourishing compound rice (B) and the common rice (C) were selected for nutritional component analysis, and the results are shown in Table 2.
TABLE 2 analysis of nutritional ingredients
As can be seen from Table 2, the water content of group A is not much different from that of groups B and C, but the protein, fat, total sugar, dietary fiber, etc. are significantly higher than those of the other two groups.
3. Physical and chemical index detection
TABLE 3 physicochemical analysis
As can be seen from Table 3, the arsenic, mercury and aflatoxins B1 of groups A, B and C all meet the national standards, and the values of each group A are lower than those of the other two groups.
4. Cooking performance
TABLE 4 retort quality analysis
The invention uses the pneumatic anti-adhesion fresh rice-pressing conveyer of broken pearl, including a feed line 8, one end of the said feed line communicates with a pneumatic conveyer, another end of the feed line has discharge ports, the innovation of the invention lies in, produce a feed inlet in the sidewall above the feed line between pneumatic conveyer and discharge port, the feed inlet is communicated with breaking pearl room 3 of the upper reaches through the pipeline 7, the upper reaches of breaking pearl room are communicated with a cooling chamber 2, the cooling chamber is used for leading-in the supplies, the supplies after cooling are led into the feed line through breaking the pearl room; and a preservative sprayer 9 and a microwave dryer 10 are sequentially arranged between the feed inlet and the discharge outlet of the feed pipeline.
In this embodiment, the cooling chamber includes the cooling casing, the upper end of this cooling casing is provided with the feed inlet, the bottom is provided with the discharge gate, from top to bottom install multistage stock guide 11 between feed inlet and discharge gate, one side and the cooling chamber inner wall of every stock guide are integrative fixed, form clearance 13 between opposite side and the cooling chamber inner wall, adjacent stock guide dislocation set, the level of every stage stock guide and cooling casing inner wall connection one side is higher than the opposite side, it has air outlet 12 to make respectively in the cooling casing inner wall of clearance one side with the inner wall for every stock guide, this air outlet and external compressor intercommunication are used for deriving air conditioning. The pre-cooling temperature adopts a step-type cooling mode, and the preset cooling target at the positions of the material guide plates from top to bottom is 60 ℃ → 55 ℃ → 40 ℃ → 20 → 0 → 3 ℃, wherein the temperature of 0 ℃ to-3 ℃ is the maximum ice crystal generation zone of water in the food.
In this embodiment, the bead breaking chamber is a spherical ball, a feed inlet is formed in the upper end portion of the ball breaking chamber, a discharge outlet is formed in the opposite bottom portion of the ball breaking chamber, two through holes are symmetrically formed in the side wall of the bead breaking chamber beside the discharge outlet, a rotating shaft 16 penetrates through each through hole, the rotating shaft is perpendicular to the horizontal plane, a cross arm 15 is integrally and transversely installed at the end portions of the two rotating shafts located in the bead breaking chamber, a stirring spoon 17 is installed at the end portions of the two cross arms, the two stirring spoons are arranged in parallel to the rotating shaft, the lower end portion of each stirring spoon extends downwards, and a plurality of bead breaking balls 14 are contained in the bead.
In this embodiment, the inner diameter of the bead breaking chamber is preferably 60cm, the bead breaking chamber is made of 304 stainless steel, the length of the cross arm is preferably 25cm, a semicircular stirring spoon with the front end diameter of 25cm is adopted, the stirring speed is 36 rpm, the two rotating shafts are respectively connected with the output end 5 of a motor 4, the rotating directions are preferably clockwise and anticlockwise alternately, and the materials of the cross arm and the stirring spoon are 304 stainless steel.
A screen 18 is embedded in the discharge hole of the bead breaking chamber, and the aperture of the screen is smaller than the outer diameter of the bead breaking ball and larger than the outer diameter of the fresh rice squeezing particles. The bead breaking ball is made of rigid materials, the surface of the bead breaking ball is coated with hydrophobic materials, and the hydrophobic materials are preferably beeswax and palm wax. The feeding pipeline is a straight pipe, a bent part which is bent downwards is integrally formed at the end part of the straight pipe far away from the air feeder, and the end part of the bent part is provided with the discharge hole. The preservative sprayer is installed at the transition connection position of the straight pipe and the bent part, and the microwave dryer is installed in the side wall of the bent part close to the discharge hole. The microwave with frequency of 2450MHz is used in the drying machine to evaporate water on the surface of rice grains rapidly.
The working process of the invention is as follows: when the rice cracker is used, freshly squeezed rice which is just formed in an extrusion puffing machine is introduced into a cooling chamber through a feeding port 1, is sequentially conducted and cooled through a multi-stage material guide plate, is introduced into a bead breaking chamber for stirring and breaking after precooling, is introduced into a feeding pipeline, is blown to a preservative spraying position for spraying under the action of a blower 6, is blown into a microwave dryer through an air blower, and is dried for 30 minutes and then is led out through a discharging port.
Claims (5)
1. A stomach-nourishing spleen-tonifying fresh pressed rice and a processing method thereof are characterized in that: the method comprises the following steps:
preparation of fresh rice noodles
Removing impurities by magnetic separation, fine grinding to obtain fresh rice flour with fineness of 60-120 mesh;
second, freshly squeezed rice flour-oat glucan grafting compound
Uniformly mixing the freshly squeezed rice flour and oat glucan according to a weight ratio of 1:1, and adding 1: heating 10-20 weight parts of water in a water bath to 70 ℃, preserving heat for 0.5-2h, wherein the microwave power is 300-;
preparation of stomach-nourishing spleen-tonifying fresh pressed rice
(1) Blending: taking 100 parts of fresh pressed rice flour-oat glucan graft compound, 120 parts of sweet potato powder, 5-8 parts of konjak powder and 15-20 parts of purified water, and uniformly stirring;
(2) extruding and granulating: feeding the stirred materials into a double-screw extrusion granulator for granulation;
(3) the granulator is connected with an air conveyor, the formed composite rice is quickly blown into the bead-breaking pneumatic anti-adhesion fresh pressed rice conveying device, the fresh pressed rice is cooled and prevented from being adhered through the feeding hole, and meanwhile, an atomizing agent is sprayed and then dried;
(4) controlling the moisture content after drying to be below 15%;
(5) cooling the formed fresh pressed rice to 15-20 ℃ by convection type cold air, and polishing the formed fresh pressed rice by utilizing an atomization polishing technology.
2. The stomach-nourishing spleen-tonifying freshly squeezed rice and the processing method thereof as claimed in claim 1, wherein: the four-section temperature-control extrusion curing of the double-screw extrusion granulator is that the temperature of the 1 st zone is 55-60 ℃, the temperature of the 2 nd zone is 70-85 ℃, the temperature of the 3 rd zone is 120-135 ℃, the temperature of the 4 th zone is 50-65 ℃, the feeding rotating speed is 25-30 r/s, the rotating speed of a main machine is 20-26 r/s, and the rotating speed of a cutter is 15-30 r/s.
3. The stomach-nourishing spleen-tonifying freshly squeezed rice and the processing method thereof as claimed in claim 1, wherein: the bead-breaking pneumatic anti-adhesion fresh pressed rice conveying device has the following structure: including a feeding pipeline, feeding pipeline's one end and an air feeder are mutually linked, and this feeding pipeline's other end system has the discharge gate, its characterized in that: a feeding hole is formed in the side wall above the feeding pipeline between the air feeder and the discharging hole, the upstream of the feeding hole is communicated with a bead breaking chamber, the upstream of the bead breaking chamber is communicated with a cooling chamber, the cooling chamber is used for introducing materials, and the cooled materials are introduced into the feeding pipeline through the bead breaking chamber; a preservative sprayer and a microwave dryer are sequentially arranged between the feed inlet and the discharge outlet of the feed pipeline; the cooling chamber includes the cooling casing, the upper end of this cooling casing is provided with the feed inlet, the bottom is provided with the discharge gate, from top to bottom install multistage stock guide between feed inlet and discharge gate, one side and the cooling chamber inner wall of every stock guide are integrative fixed, form the clearance between opposite side and the cooling chamber inner wall, adjacent stock guide dislocation set, the level of every stock guide and cooling casing inner wall connection one side is higher than the opposite side, it has the air outlet to make respectively in the cooling casing inner wall of every stock guide and inner wall formation clearance one side, this air outlet and outside compressor intercommunication are used for deriving air conditioning.
4. The stomach-nourishing spleen-tonifying freshly squeezed rice and the processing method thereof as claimed in claim 3, wherein: the bead breaking chamber is spherical, a feed inlet is formed in the upper end of the bead breaking chamber, two openings are formed in the opposite bottom of the bead breaking chamber, two through holes are symmetrically formed in the side wall of the bead breaking chamber beside the discharge outlet, a rotating shaft penetrates through each through hole and is perpendicular to the horizontal plane, a cross arm is integrally and transversely mounted at the end part of each rotating shaft in the bead breaking chamber, a stirring spoon is mounted at the end part of each cross arm, the two stirring spoons are arranged in parallel to the rotating shafts, the lower end part of each stirring spoon extends downwards, and a plurality of bead breaking balls are contained in the bead breaking chamber.
5. The stomach-nourishing spleen-tonifying freshly squeezed rice and the processing method thereof as claimed in claim 1, wherein: in the extrusion granulation process, the microwave power of 400w is adopted on the device according to a microwave generating device.
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| CN201911247012.3A CN110973489A (en) | 2019-12-09 | 2019-12-09 | Stomach-nourishing spleen-tonifying fresh pressed rice and processing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110839924A (en) * | 2019-12-09 | 2020-02-28 | 长融汇通(天津)食品科技研发有限公司 | Broken pearl pneumatic adhesion-proof fresh rice squeezing conveying device |
| CN112058354A (en) * | 2020-09-02 | 2020-12-11 | 衡阳健安米业有限公司 | Rice processing method |
-
2019
- 2019-12-09 CN CN201911247012.3A patent/CN110973489A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110839924A (en) * | 2019-12-09 | 2020-02-28 | 长融汇通(天津)食品科技研发有限公司 | Broken pearl pneumatic adhesion-proof fresh rice squeezing conveying device |
| CN112058354A (en) * | 2020-09-02 | 2020-12-11 | 衡阳健安米业有限公司 | Rice processing method |
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