CN109480189A - A kind of industrialization manufacturing method of instant brown rice - Google Patents

A kind of industrialization manufacturing method of instant brown rice Download PDF

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Publication number
CN109480189A
CN109480189A CN201811404569.9A CN201811404569A CN109480189A CN 109480189 A CN109480189 A CN 109480189A CN 201811404569 A CN201811404569 A CN 201811404569A CN 109480189 A CN109480189 A CN 109480189A
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China
Prior art keywords
brown rice
instant
instant brown
fresh
temperature
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CN201811404569.9A
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Chinese (zh)
Inventor
彭文忠
华俊杰
彭国蓉
刘汉春
吴志坚
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Fuzhou Whole Grain Food Research And Development Co Ltd
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Fuzhou Whole Grain Food Research And Development Co Ltd
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Priority to CN201811404569.9A priority Critical patent/CN109480189A/en
Publication of CN109480189A publication Critical patent/CN109480189A/en
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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
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products
    • A23L7/161Puffed cereals, e.g. popcorn or puffed rice
    • A23L7/165Preparation of puffed cereals involving preparation of meal or dough as an intermediate step
    • 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
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/10General methods of cooking foods, e.g. by roasting or frying
    • 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
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/20Removal of unwanted matter, e.g. deodorisation or detoxification
    • A23L5/21Removal of unwanted matter, e.g. deodorisation or detoxification by heating without chemical treatment, e.g. steam treatment, cooking
    • 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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  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Cereal-Derived Products (AREA)

Abstract

The present invention provides a kind of industrialization manufacturing methods of instant brown rice, and using brown rice as major ingredient, fresh brown rice raw material is successively obtained particulate matter after impurity elimination, fresh-keeping, cryogrinding are granulated these pre-treatment steps respectively;Crude instant brown rice is obtained after particulate matter is carried out specific extrusion cladding processing;Then the anti-dandruff processing of selection by winnowing is carried out to the crude instant brown rice, obtains clean, adhesion, the instant brown rice of graininess semi-finished product of the same size;The instant brown rice of the homoeomorphic finished product of traditional rice is finally obtained after high temperature bakes extruding.The present invention in the production process, using baking, can sterilising and enzyme inactivating and popped rice it is well-done, so that finished product is had more faint scent.

Description

A kind of industrialization manufacturing method of instant brown rice
Technical field
The present invention relates to food technology field more particularly to a kind of industrialization manufacturing methods of instant brown rice.
Background technique
Brown rice is that paddy sloughs the caryopsis after outer protection cortex rice husk, and interior protection cortex (pericarp, kind skin, megarchidium layer) is intact Rice Kernel, since the more mouthfeels such as interior protection cortex crude fibre, chaff wax are thicker, quality is close, boil it is also relatively time-consuming, But its slimming effect is significant.Compared with common exquisite rice, the content of vitamin, minerals and dietary fiber is richer in brown rice Richness is considered to be a kind of healthy food of green.
Modern nutriology the study found that in brown rice rice bran and germ fraction vitamin B and vitamin E, human body can be improved Immune function promotes blood circulation, moreover it is possible to help people to eliminate the mood of dejected agitation, make one dynamic.In addition, in brown rice The microelements such as potassium, magnesium, zinc, iron, manganese are conducive to prevent cardiovascular disease and anemia.It also retains a large amount of dietary fibers, It can promote intestinal beneficial bacterium proliferation, accelerate intestines peristalsis, softer stool, prevent constipation and intestinal cancer;Dietary fiber can also be with bile Middle cholesterol combines, and promotes the discharge of cholesterol, so that hyperlipemia be helped to reduce blood lipid.
However though the nutritive value of brown rice is good, eats inconvenience, coarse mouthfeel, flavor is not good enough, and on the market The finished product of production is mostly simple baking extrusion and puffing food, is limited by existing processing technology, nutritional ingredient is largely lost, and is Pursuit crispy in taste and sacrifice health-care efficacy.
Summary of the invention
It is high, raciness that it is an object of that present invention to provide a kind of nutrition, using brown rice as the industrialization of the instant brown rice of major ingredient Production method, the instant brown rice being prepared not only had had unique flavor and nutritive value, but also convenient, were easy to absorb.
The present invention is achieved through the following technical solutions:
A kind of industrialization manufacturing method of instant brown rice, wherein the production method of the instant brown rice are as follows:
S1, pretreatment of raw material: by fresh brown rice raw material respectively successively by impurity elimination, fresh-keeping, cryogrinding these pretreatment Powder is obtained after step;
S2, low temperature, which grind to squeeze, to be granulated: the obtained powder being quantified average rate and is delivered to rotary granulator, which utilizes Upper and lower two groups of rotations grind knife from horizontal and hard histogram to rolling effect of material, making it through the formation of stainless steel sieve pore simultaneously Grain, operating temperature: -5-24.5 DEG C, relative humidity is less than or equal to 65%;
S3, extrusion cladding: the solid feeding that the obtained particulate matter is delivered to intermeshing twin screw extruder in the same direction is entered Mouthful, and it is synchronous with metering pump to the liquid spout of the extruder accurately inject a certain amount of constant temperature drinking water carry out it is compound, The temperature of constant temperature drinking water is 25 DEG C -75 DEG C, drinking water using quality so that quality aqueous in mixture and butt matter The ratio between amount is 1:2.5-3.7, while being arranged and adjusting heating temperature-control system everywhere in the cavity of the extruder, makes the extruding Mean temperature control is at 104.4 DEG C hereinafter, custom core component product of the mixture in the extruder in the cavity of machine Under the action of the wooden formula combination twin-screw, makees class " ∞ " word screw along the inside cavity of the extruder and carries out extrusion process, The twin-screw one group two, the machine barrel use side machine barrel of the extruder, the eight word bore dias and the machine barrel of the machine barrel Length ratio be 1:3.8-4.3, the extruder is composed of more piece machine barrel, from discharge end, screw thread push component Direction of travel on successively there are five accurate arrangements: the first kneading block, an inverter and the second kneading block, third kneading block, 4th kneading block, the mixture finally promote component to be pushed to die head exit, obtain crude instant brown rice by the screw thread;
The anti-dandruff processing of S4, selection by winnowing: carrying out the anti-dandruff processing of selection by winnowing to the crude instant brown rice using two Middle pressure draught fans, and one Platform is blowed below the crude instant brown rice with the angle of 1-20 degree in horizontal direction, and intermittently adjusts the big of blowing It is small, make material undaform movement up and down, preferably shake off burr break flour, another is inhaled from the crude instant brown rice upper vertical Wind siphons away separation by wind after gently bits all fall off, and absorbs the burr because squeezing rotary-cut generation, obtains clean, adhesion, size The consistent instant brown rice of graininess semi-finished product;
S5, high temperature bake extruding: the instant brown rice of the consistent semi-finished product of particle obtained after the anti-dandruff processing of selection by winnowing is transported to High temperature ovens are baked so that the instant brown rice of semi-finished product steep temperature rise extruding in a short time, be reduced as far as nutrition at The loss divided, to obtain the rice finished product of crispy in taste, the similar traditional rice form for being full of faint scent;
S6, aseptic packaging: being immediately transferred to aseptic packaging workshop for the high-temperature sterilization finished product for baking completion from oven while hot, It is sealed packaging.
Wherein, the pre-treatment step specifically includes:
S1.1, raw material are alternative: fresh brown rice being carried out selected impurity elimination processing, the brown rice for handling up to standard is used vacuum immediately Or nitrogen charging or fill that preservation by low temperature processing after carbon is spare, and fresh feed carries out fresh-keeping anti-oxidation processing, cold chain fortune immediately after putting in order Defeated, so that raw material is fresher, the instant brown rice quality of preparation is higher, and flavor is more preferable;
S1.2, cryogrinding: the fresh-keeping brown rice of vacuum and low temperature is delivered to low-temperature grinding system and carries out grinding beading, carefully The granularity of grain is 200 μm -680 μm, and it is spare that the complete brown rice of milled processed is placed in fresh-keeping and storing in stainless cylinder of steel.
The invention has the following advantages: the present invention, using brown rice as the instant brown rice of major ingredient, brown rice and common exquisiteness are white Rice is compared, and the content of brown rice vitamin, minerals and dietary fiber is richer, and it is edible to be suitable for all groups, it is easier to be absorbed, be eaten With conveniently, flavor is good.
Method of the invention by baking, can sterilising and enzyme inactivating and instant brown rice it is well-done, retain to the maximum extent Prototroph material composition, while the instant brown rice of finished product produced has both loose mouthfeel and faint scent, and it is normal not need setting Pressure or vacuum degassing system have excellent technological effect, easy operating characteristics.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention. The present invention is further detailed explanation below.
Specific embodiment
In order to be more clear goal of the invention of the invention, technical solution and its advantageous effects, below in conjunction with comparing The present invention will be described in further detail with specific embodiment for example.It should be understood that the specific implementation of this specification description Example is not intended to limit the present invention merely to the explanation present invention.
A kind of industrialization manufacturing method of instant brown rice disclosed by the invention, wherein the production method of the instant brown rice Are as follows:
S1, pretreatment of raw material: by fresh brown rice raw material respectively successively by impurity elimination, fresh-keeping, cryogrinding these pretreatment Powder is obtained after step;
S2, low temperature, which grind to squeeze, to be granulated: the obtained powder being quantified average rate and is delivered to rotary granulator, which utilizes Upper and lower two groups of rotations grind knife from horizontal and hard histogram to rolling effect of material, making it through the formation of stainless steel sieve pore simultaneously Grain, operating temperature: -5-24.5 DEG C, relative humidity is less than or equal to 65%;
S3, extrusion cladding: the solid feeding that the obtained particulate matter is delivered to intermeshing twin screw extruder in the same direction is entered Mouthful, and it is synchronous with metering pump to the liquid spout of the extruder accurately inject a certain amount of constant temperature drinking water carry out it is compound, The temperature of constant temperature drinking water be 25 DEG C -75 DEG C, the S3 drinking water using quality so that quality aqueous in mixture with The ratio between butt quality is 1:2.5-3.7, while being arranged and adjusting heating temperature-control system everywhere in the cavity of the extruder, makes institute Mean temperature in the cavity of extruder is stated to control at 104.4 DEG C hereinafter, custom core of the mixture in the extruder Under the action of parts juggle type combines twin-screw, makees class " ∞ " word screw along the inside cavity of the extruder and squeezed Processing, the twin-screw one group two, the machine barrel use side machine barrel of the extruder, eight word bore dias of the machine barrel with it is described The length ratio of machine barrel is 1:3.8-4.3, and the extruder is composed of more piece machine barrel, from discharge end, pushes member in screw thread There are five successively accurately arranging on the direction of travel of device: the first kneading block, an inverter and the second kneading block, third are mediated Block, the 4th kneading block, the mixture finally promote component to be pushed to die head exit, obtain crude instant rough by the screw thread Rice;
The anti-dandruff processing of S4, selection by winnowing: carrying out the anti-dandruff processing of selection by winnowing to the crude instant brown rice using two Middle pressure draught fans, and one Platform is blowed below the crude instant brown rice with the angle of 1-20 degree in horizontal direction, and intermittently adjusts the big of blowing It is small, make material undaform movement up and down, preferably shake off burr break flour, another is inhaled from the crude instant brown rice upper vertical Wind siphons away separation by wind after gently bits all fall off, and absorbs the burr because squeezing rotary-cut generation, obtains clean, adhesion, size The consistent instant brown rice of graininess semi-finished product;
S5, high temperature bake extruding: the instant brown rice of the consistent semi-finished product of particle obtained after the anti-dandruff processing of selection by winnowing is transported to High temperature ovens are baked so that the instant brown rice of semi-finished product steep temperature rise extruding in a short time, be reduced as far as nutrition at The loss divided, to obtain the rice finished product of crispy in taste, the similar traditional rice form for being full of faint scent;
S6, aseptic packaging: being immediately transferred to aseptic packaging workshop for the high-temperature sterilization finished product for baking completion from oven while hot, It is sealed packaging.
Wherein, the pre-treatment step specifically includes:
S1.1, raw material are alternative: fresh brown rice being carried out selected impurity elimination processing, the brown rice for handling up to standard is used vacuum immediately Or nitrogen charging or fill that preservation by low temperature processing after carbon is spare, and fresh feed carries out fresh-keeping anti-oxidation processing, cold chain fortune immediately after putting in order Defeated, so that raw material is fresher, the instant brown rice quality of preparation is higher, and flavor is more preferable;
S1.2, cryogrinding: the fresh-keeping brown rice of vacuum and low temperature is delivered to low-temperature grinding system and carries out grinding beading, carefully The granularity of grain is 200 μm -680 μm, and it is spare that the complete brown rice of milled processed is placed in fresh-keeping and storing in stainless cylinder of steel.
It will be specifically addressed below by industrialization manufacturing method of the specific embodiment to above-mentioned full cereal popped rice.
Embodiment 1
A kind of industrialization manufacturing method of instant brown rice, wherein the production method of the instant brown rice are as follows:
S1, raw material are alternative: fresh brown rice being carried out selected impurity elimination processing, brown rice up to standard will be handled and uses vacuum low immediately Warm Preservation Treatment is spare, and fresh feed carries out fresh-keeping anti-oxidation processing, cold chain transportation, so that raw material is newer immediately after putting in order Fresh, the instant brown rice quality of preparation is higher, and flavor is more preferable;
S2, cryogrinding: the fresh-keeping brown rice of vacuum and low temperature is delivered to low-temperature grinding system and carries out grinding beading, particulate Granularity be 200 μm, it is spare that the complete brown rice of milled processed is placed in fresh-keeping and storing in stainless cylinder of steel;
S3, low temperature, which grind to squeeze, to be granulated: the obtained powder being quantified average rate and is delivered to rotary granulator, which utilizes Upper and lower two groups of rotations grind knife from horizontal and hard histogram to rolling effect of material, making it through the formation of stainless steel sieve pore simultaneously Grain, operating temperature: 5 DEG C, relative humidity 30%;
S4, extrusion cladding: the solid feeding that the obtained particulate matter is delivered to intermeshing twin screw extruder in the same direction is entered Mouthful, and it is synchronous with metering pump to the liquid spout of the extruder accurately inject a certain amount of constant temperature drinking water carry out it is compound, The temperature of constant temperature drinking water be 25 DEG C, drinking water using quality so that the ratio between quality aqueous in mixture and butt quality For 1:3.7, while being arranged and adjusting heating temperature-control system everywhere in the cavity of the extruder, in the cavity for making the extruder Mean temperature control is at 104.4 DEG C hereinafter, custom core parts juggle type combination of the mixture in the extruder is double Under the action of screw rod, makees class " ∞ " word screw along the inside cavity of the extruder and carry out extrusion process, the twin-screw One group two, the machine barrel use side machine barrel of the extruder, eight word bore dias of the machine barrel are with the length ratio of the machine barrel 1:3.8, the extruder is composed of more piece machine barrel, from discharge end, screw thread push component direction of travel on according to There are five secondary accurate arrangements: the first kneading block, an inverter and the second kneading block, third kneading block, the 4th kneading block, described Mixture finally promotes component to be pushed to die head exit by the screw thread, obtains crude instant brown rice;
The anti-dandruff processing of S5, selection by winnowing: carrying out the anti-dandruff processing of selection by winnowing to the crude instant brown rice using two Middle pressure draught fans, and one Platform is blowed below the crude instant brown rice with 5 degree in horizontal direction of angle, and intermittently adjusts the size of blowing, is made Material up and down undaform movement, preferably shake off burr break flour, another from the crude instant brown rice upper vertical air draught, gently Bits by wind siphon away separation after all falling off, and absorb the burr generated because squeezing rotary-cut, obtain completely, it is adhesion, in the same size The instant brown rice of graininess semi-finished product;
S6, high temperature bake extruding: the instant brown rice of the consistent semi-finished product of particle obtained after the anti-dandruff processing of selection by winnowing is transported to High temperature ovens are baked so that the instant brown rice of semi-finished product steep temperature rise extruding in a short time, be reduced as far as nutrition at The loss divided, to obtain the rice finished product of crispy in taste, the similar traditional rice form for being full of faint scent;
S7, aseptic packaging: being immediately transferred to aseptic packaging workshop for the high-temperature sterilization finished product for baking completion from oven while hot, It is sealed packaging.
Wherein, above-mentioned steps S1-S2 be pre-treatment step, the S1.1-S1.2 being equivalent in aforementioned raw material pre-treatment step, Above-mentioned steps S3-S7 is equivalent to the step S2-S6 in claim.
Embodiment 2
A kind of industrialization manufacturing method of instant brown rice, wherein the production method of the instant brown rice are as follows:
S1, raw material are alternative: fresh brown rice being carried out selected impurity elimination processing, will be handled after brown rice up to standard uses nitrogen charging immediately Preservation by low temperature processing is spare, and fresh feed carries out fresh-keeping anti-oxidation processing, cold chain transportation after putting in order immediately, so that raw material is more Fresh, the instant brown rice quality of preparation is higher, and flavor is more preferable;
S2, cryogrinding: the fresh-keeping brown rice of vacuum and low temperature is delivered to low-temperature grinding system and carries out grinding beading, particulate Granularity be 450 μm, it is spare that the complete brown rice of milled processed is placed in fresh-keeping and storing in stainless cylinder of steel;
S3, low temperature, which grind to squeeze, to be granulated: the obtained powder being quantified average rate and is delivered to rotary granulator, which utilizes Upper and lower two groups of rotations grind knife from horizontal and hard histogram to rolling effect of material, making it through the formation of stainless steel sieve pore simultaneously Grain, operating temperature: 15 DEG C, relative humidity 50%;
S4, extrusion cladding: the solid feeding that the obtained particulate matter is delivered to intermeshing twin screw extruder in the same direction is entered Mouthful, and it is synchronous with metering pump to the liquid spout of the extruder accurately inject a certain amount of constant temperature drinking water carry out it is compound, The temperature of constant temperature drinking water be 50 DEG C, drinking water using quality so that the ratio between quality aqueous in mixture and butt quality For 1:3, while being arranged and adjusting heating temperature-control system everywhere in the cavity of the extruder, makes to put down in the cavity of the extruder Equal temperature control is at 104.4 DEG C hereinafter, custom core parts juggle type of the mixture in the extruder combines double spiral shells Under the action of bar, makees class " ∞ " word screw along the inside cavity of the extruder and carry out extrusion process, the twin-screw one Group two, the machine barrel use side machine barrel of the extruder, eight word bore dias of the machine barrel and the length ratio of the machine barrel are 1: 4, the extruder is composed of more piece machine barrel, successively smart on the direction of travel of screw thread push component from discharge end Really there are five arrangements: the first kneading block, an inverter and the second kneading block, third kneading block, the 4th kneading block, the mixing Object finally promotes component to be pushed to die head exit by the screw thread, obtains crude instant brown rice;
The anti-dandruff processing of S5, selection by winnowing: carrying out the anti-dandruff processing of selection by winnowing to the crude instant brown rice using two Middle pressure draught fans, and one Platform is blowed below the crude instant brown rice with 15 degree in horizontal direction of angle, and intermittently adjusts the size of blowing, Make material undaform movement up and down, preferably shake off burr break flour, another from the crude instant brown rice upper vertical air draught, Separation is siphoned away by wind after gently bits all fall off, and absorbs the burr because squeezing rotary-cut generation, obtains clean, adhesion, size one The instant brown rice of graininess semi-finished product of cause;
S6, high temperature bake extruding: the instant brown rice of the consistent semi-finished product of particle obtained after the anti-dandruff processing of selection by winnowing is transported to High temperature ovens are baked so that the instant brown rice of semi-finished product steep temperature rise extruding in a short time, be reduced as far as nutrition at The loss divided, to obtain the rice finished product of crispy in taste, the similar traditional rice form for being full of faint scent;
S7, aseptic packaging: being immediately transferred to aseptic packaging workshop for the high-temperature sterilization finished product for baking completion from oven while hot, It is sealed packaging.
Wherein, above-mentioned steps S1-S2 be pre-treatment step, the S1.1-S1.2 being equivalent in aforementioned raw material pre-treatment step, Above-mentioned steps S3-S7 is equivalent to the step S2-S6 in claim.
Embodiment 3
A kind of industrialization manufacturing method of instant brown rice, wherein the production method of the instant brown rice are as follows:
S1, raw material are alternative: fresh brown rice being carried out selected impurity elimination processing, brown rice up to standard will be handled and uses nitrogen immediately or fill Preservation by low temperature processing is spare after carbon, and fresh feed carries out fresh-keeping anti-oxidation processing, cold chain transportation, so that raw material immediately after putting in order Fresher, the instant brown rice quality of preparation is higher, and flavor is more preferable;
S2, cryogrinding: the fresh-keeping brown rice of vacuum and low temperature is delivered to low-temperature grinding system and carries out grinding beading, particulate Granularity be 680 μm, it is spare that the complete brown rice of milled processed is placed in fresh-keeping and storing in stainless cylinder of steel;
S3, low temperature, which grind to squeeze, to be granulated: the obtained powder being quantified average rate and is delivered to rotary granulator, which utilizes Upper and lower two groups of rotations grind knife from horizontal and hard histogram to rolling effect of material, making it through the formation of stainless steel sieve pore simultaneously Grain, operating temperature: 24.5 DEG C, relative humidity 65%;
S4, extrusion cladding: the solid feeding that the obtained particulate matter is delivered to intermeshing twin screw extruder in the same direction is entered Mouthful, and it is synchronous with metering pump to the liquid spout of the extruder accurately inject a certain amount of constant temperature drinking water carry out it is compound, The temperature of constant temperature drinking water be 75 DEG C, drinking water using quality so that the ratio between quality aqueous in mixture and butt quality For 1:2.5, while being arranged and adjusting heating temperature-control system everywhere in the cavity of the extruder, in the cavity for making the extruder Mean temperature control is at 104.4 DEG C hereinafter, custom core parts juggle type combination of the mixture in the extruder is double Under the action of screw rod, makees class " ∞ " word screw along the inside cavity of the extruder and carry out extrusion process, the twin-screw One group two, the machine barrel use side machine barrel of the extruder, eight word bore dias of the machine barrel are with the length ratio of the machine barrel 1:4.3, the extruder is composed of more piece machine barrel, from discharge end, screw thread push component direction of travel on according to There are five secondary accurate arrangements: the first kneading block, an inverter and the second kneading block, third kneading block, the 4th kneading block, described Mixture finally promotes component to be pushed to die head exit by the screw thread, obtains crude instant brown rice;
The anti-dandruff processing of S5, selection by winnowing: carrying out the anti-dandruff processing of selection by winnowing to the crude instant brown rice using two Middle pressure draught fans, and one Platform is blowed below the crude instant brown rice with 20 degree in horizontal direction of angle, and intermittently adjusts the size of blowing, Make material undaform movement up and down, preferably shake off burr break flour, another from the crude instant brown rice upper vertical air draught, Separation is siphoned away by wind after gently bits all fall off, and absorbs the burr because squeezing rotary-cut generation, obtains clean, adhesion, size one The instant brown rice of graininess semi-finished product of cause;
S6, high temperature bake extruding: the instant brown rice of the consistent semi-finished product of particle obtained after the anti-dandruff processing of selection by winnowing is transported to High temperature ovens are baked so that the instant brown rice of semi-finished product steep temperature rise extruding in a short time, be reduced as far as nutrition at The loss divided, to obtain the rice finished product of crispy in taste, the similar traditional rice form for being full of faint scent;
S7, aseptic packaging: being immediately transferred to aseptic packaging workshop for the high-temperature sterilization finished product for baking completion from oven while hot, It is sealed packaging.
Wherein, above-mentioned steps S1-S2 be pre-treatment step, the S1.1-S1.2 being equivalent in aforementioned raw material pre-treatment step, Above-mentioned steps S3-S7 is equivalent to the step S2-S6 in claim.
Sensory evaluation is carried out by 8 trained appraise persons, the every 20g of sample and 95-100 DEG C of boiled water 1:5 is reconstituted, and is soaked After steeping 5min, with indexs such as color, smell, performance state, dispersibility, rehydrations, product is evaluated using sense organ description, specifically Evaluation criterion is as follows:
Before reconstituting (30 points):
Color (5 points): uniform more light 4-5 points;The general 3-4 of brightness points;Luminance difference 1-3 points.
Smell (5 points):, which having natural strong fragrance, and is charred fragrance 4-5 divides;With natural flavor, but be charred fragrance compared with It is light, free from extraneous odour 3-4 points, British plain spirits or obvious peculiar smell, 1-3 points.
Performance state (15 points): dispersion 10-15 complete, full, uniform in size points;Surface is slightly cracked, and has harsh feeling, is deposited It is being adhered a 5-9 points;The grain of rice is excessive, and grain shape difficulty is distinguished, is adhered more 1-4 points.
Impurity (5 points): color tablets are no different, are charred grain, particle 4-5 point;It is no different color tablets, it is seen that be charred grain, particle 3-4 point;Have Heterochromatic grain more is charred grain, particle 1-3 point.
After reconstituting (70 points):
Glossy degree (5 points): more light 4-5 points;The general 3-4 of brightness points;Luminance difference 1-3 points.
Smell (5 points):, which having natural strong fragrance, and is charred fragrance 4-5 divides;With natural flavor, but be charred fragrance compared with It is light, free from extraneous odour 3-4 points, British plain spirits or obvious peculiar smell, 1-3 points.
Dispersed (15 points): being uniformly dispersed, no agglomeration, is suspended in congee soup 10-15 points;A small amount of agglomeration is slightly layered 5-9 Point;It floats and is layered or without suspension, agglomerates 1-4 points.
Rehydration (10 points): congee grain moderately expands, and has elasticity 8-10 points;Congee grain slightly has elasticity 6-8 points;Congee grain it is soft rotten or Half-cooked 1-6 points.
Toughness (10 points): texture is preferable, and the sticky suitable 8-10 of congee soup points;Texture is slightly worse, slightly 6-8 points of layering, congee soup Sticky or layering is 1-6 points serious.
Palatability (10): having suitable chewiness, and the 8-10 that do not stick to one's teeth divides;Slightly sticky thick, slightly harsh feeling, slightly sticky tooth 6-8 Point;Sticky or layering is serious, the 1-6 that sticks to one's teeth divides.
Smoothness (10 points): the moderate 8-10 of smoothness points;The smooth slightly worse 6-8 of degree points;Smooth degree difference 1-6 points.
Flavour (5 points): fragrance 4-5 points with congee itself;Basic free from extraneous odour 3-4 points;There are peculiar smell 1-3 points.
Evaluation result is as shown in the table:
According to the disclosure and teachings of the above specification, fields of the present invention obtain technical staff can also be to above-mentioned implementation Mode is changed and is modified, and therefore, the present invention is not limited to above-mentioned specific embodiment, all those skilled in the art Any conspicuous improvement, the replacement or modification that member is made on the basis of the present invention belong to protection model of the invention It encloses.

Claims (9)

1. a kind of industrialization manufacturing method of instant brown rice, it is characterised in that: the production method of the instant brown rice are as follows:
S1, pretreatment of raw material: by fresh brown rice raw material respectively successively by impurity elimination, fresh-keeping, cryogrinding these pre-treatment steps After obtain powder;
S2, low temperature, which grind to squeeze, to be granulated: the obtained powder being quantified average rate and is delivered to rotary granulator, the machine is using up and down Two groups of rotations grind knives from horizontal and hard histogram to rolling effect of material, making it through stainless steel sieve pore formation particle, work simultaneously Make temperature: -5-24.5 DEG C, relative humidity is less than or equal to 65%;
The obtained particulate matter: being delivered to the solid feeding entrance of intermeshing twin screw extruder in the same direction by S3, extrusion cladding, and It is synchronous accurately to inject a certain amount of constant temperature drinking water to the liquid spout of the extruder with metering pump and carry out compound, it sets simultaneously Heating temperature-control system everywhere in the cavity of the extruder is set and adjusted, mean temperature control in the cavity of the extruder is made to exist 104.4 DEG C hereinafter, under the action of custom core parts juggle type of the mixture in the extruder combines twin-screw, edge The inside cavity of the extruder makees class " ∞ " word screw and carries out extrusion process, and the twin-screw one group two is described to squeeze The machine barrel use side machine barrel of press, eight word bore dias of the machine barrel and the length ratio of the machine barrel are 1:3.8-4.3, described to squeeze Press is composed of more piece machine barrel, from discharge end, is successively accurately disposed on the direction of travel of screw thread push component Five: first kneading blocks, an inverter and the second kneading block, third kneading block, the 4th kneading block, the mixture finally by The screw thread promotes component to be pushed to die head exit, obtains crude instant brown rice;
The anti-dandruff processing of S4, selection by winnowing: carrying out the anti-dandruff processing of selection by winnowing to the crude instant brown rice using two Middle pressure draught fans, one from It is blowed below the crude instant brown rice with the angle of 1-20 degree in horizontal direction, and intermittently adjusts the size of blowing, made Material up and down undaform movement, preferably shake off burr break flour, another from the crude instant brown rice upper vertical air draught, gently Bits by wind siphon away separation after all falling off, and absorb the burr generated because squeezing rotary-cut, obtain completely, it is adhesion, in the same size The instant brown rice of graininess semi-finished product;
S5, high temperature bake extruding: the instant brown rice of the consistent semi-finished product of particle obtained after the anti-dandruff processing of selection by winnowing is transported to high temperature Oven is baked, so that the instant brown rice of semi-finished product steep temperature rise extruding in a short time, is reduced as far as nutritional ingredient It is lost, to obtain the rice finished product of crispy in taste, the similar traditional rice form for being full of faint scent.
2. a kind of industrialization manufacturing method of instant brown rice as described in claim 1, it is characterised in that: the pre-treatment step It specifically includes:
S1.1, raw material are alternative: fresh brown rice raw material is subjected to selected impurity elimination processing respectively, it is fresh-keeping using vacuum and low temperature immediately after It handles spare;
S1.2, cryogrinding: the fresh-keeping brown rice of vacuum and low temperature is delivered to low-temperature grinding system and carries out grinding beading, will be ground It is spare that the brown rice handled is placed in fresh-keeping and storing in stainless cylinder of steel.
3. a kind of industrialization manufacturing method of instant brown rice as claimed in claim 1 or 2, it is characterised in that: the step S5 Later, further comprising the steps of:
S6, aseptic packaging: being immediately transferred to aseptic packaging workshop for the high-temperature sterilization finished product for baking completion from oven while hot, carries out Sealed package.
4. a kind of industrialization manufacturing method of instant brown rice as described in any one of claims 1-3, it is characterised in that: described In S1.1: fresh feed carries out fresh-keeping anti-oxidation processing, cold chain transportation after putting in order immediately.
5. a kind of industrialization manufacturing method of instant brown rice according to any one of claims 1-4, it is characterised in that: described In S1.2: the granularity of the particulate is 200 μm -680 μm.
6. a kind of industrialization manufacturing method of instant brown rice as described in any one in claim 1-5, it is characterised in that: the S3 The temperature of middle constant temperature drinking water is 25 DEG C -75 DEG C.
7. a kind of industrialization manufacturing method of instant brown rice as claimed in any one of claims 1 to 6, it is characterised in that: described in institute S3 drinking water using quality so that the ratio between quality aqueous in mixture and butt quality be 1:2.5-3.7.
8. such as a kind of described in any item industrialization manufacturing methods of instant brown rice of claim 1-7, it is characterised in that: described In S1.1, fresh instant brown rice raw material is subjected to selected impurity elimination processing, will be handled after instant brown rice up to standard uses nitrogen charging immediately Preservation by low temperature processing is spare.
9. such as a kind of described in any item industrialization manufacturing methods of instant brown rice of claim 1-8, it is characterised in that: described In S1.1, the raw material of fresh instant brown rice is subjected to selected impurity elimination processing respectively, the instant brown rice for handling up to standard is used immediately Preservation by low temperature processing is spare after filling CO 2.
CN201811404569.9A 2018-11-23 2018-11-23 A kind of industrialization manufacturing method of instant brown rice Withdrawn CN109480189A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102652549A (en) * 2012-04-23 2012-09-05 安徽劲宇食品有限公司 Compound brown rice
CN102813142A (en) * 2012-09-21 2012-12-12 西藏天麦力健康品有限公司 Highland barley-compounded instant rice and processing method thereof
CN103564344A (en) * 2013-11-20 2014-02-12 齐齐哈尔瑞盛食品制造有限公司 Coarse cereal instant rice and preparation method thereof
CN103815299A (en) * 2014-03-14 2014-05-28 湖南富马科食品工程技术有限公司 Production method of whole-grain fast-food nutritional porridge
CN104381823A (en) * 2014-11-17 2015-03-04 福建新顺成食品科技有限公司 Formula of low glycemic index (GI) food and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102652549A (en) * 2012-04-23 2012-09-05 安徽劲宇食品有限公司 Compound brown rice
CN102813142A (en) * 2012-09-21 2012-12-12 西藏天麦力健康品有限公司 Highland barley-compounded instant rice and processing method thereof
CN103564344A (en) * 2013-11-20 2014-02-12 齐齐哈尔瑞盛食品制造有限公司 Coarse cereal instant rice and preparation method thereof
CN103815299A (en) * 2014-03-14 2014-05-28 湖南富马科食品工程技术有限公司 Production method of whole-grain fast-food nutritional porridge
CN104381823A (en) * 2014-11-17 2015-03-04 福建新顺成食品科技有限公司 Formula of low glycemic index (GI) food and preparation method thereof

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Application publication date: 20190319