CN110012998A - A kind of high protein instant nourishing rice flour, preparation process and system for use in carrying - Google Patents
A kind of high protein instant nourishing rice flour, preparation process and system for use in carrying Download PDFInfo
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- CN110012998A CN110012998A CN201910420579.XA CN201910420579A CN110012998A CN 110012998 A CN110012998 A CN 110012998A CN 201910420579 A CN201910420579 A CN 201910420579A CN 110012998 A CN110012998 A CN 110012998A
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Classifications
-
- 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
- A23L7/198—Dry unshaped finely divided cereal products, not provided for in groups A23L7/117 - A23L7/196 and A23L29/00, e.g. meal, flour, powder, dried cereal creams or extracts
-
- 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
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
-
- 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
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
- A23P30/30—Puffing or expanding
- A23P30/32—Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment
- A23P30/34—Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment by extrusion-expansion
Abstract
The present invention relates to food technology fields, and in particular to a kind of preparation process of high protein instant nourishing rice flour, the present invention also provides system for use in carrying in above-mentioned ourishing rice flour preparation process.Technique of the invention includes the following steps: that (1) sieves and washes removal of impurities；(2) it crushes；(3) extrusion；(4) fluidized bed drying；(5) crushing packing；(6) it sterilizes.Advantageous effects of the invention: selecting high protein rice raw material, increases percent protein it is not necessary that foreign protein is added or carries out enzymolysis processing to rice raw material；It is easy to brew, it can homogeneous state easy to form using 75 ~ 100 DEG C of hot water；In addition, simple production process of the present invention, meets human body to the nutritional need of albumen, provides a kind of high protein rice flour product that can satisfy the middle-aged and the old and infant to albumen demand.
Description
Technical field
The present invention relates to food technology fields, and in particular to a kind of preparation process of high protein instant nourishing rice flour, this hair
It is bright to additionally provide system for use in carrying in above-mentioned ourishing rice flour preparation process.
Background technique
High protein instant nourishing rice flour is the accesary foods for meeting the exploitation of consumer's nutritional need, mainly for consumer groups
It is infant and the middle-aged and the old.In the developmental process of infant, it is not able to satisfy mainly for nursing period breast milk deficiency or staple food
The nutritional need and infant's milk allergy symptom of infant；With the aging of China human mortality, the population ratio of the middle-aged and the old
Example rises year by year, as the improvement of people's living standards, the eating habit of the additional middle-aged and the old has very big hidden danger, causes to disappear
Change system declines year by year with advancing age.So should produce one kind mainly for both the above consumer groups can expire
The accesary foods of sufficient high-protein nutrient demand, to supplement body nutritional need, increase constitution.
ZL201710435629.2 discloses a kind of preparation method of infant's high protein wheat germ rice flour, and this method is to utilize
Supercritical CO2Abstraction technique, twin-screw extruder puffing technique and the microcapsule embedded technology of spray drying be prepared for puffed rice biscuit,
Extruding defatted wheat germ powder and defatted wheat germ microcapsules, supercritical CO in the patent2Abstraction technique and spray drying are micro-
Capsule embedding techniques input cost is higher, causes biggish financial pressure to manufacturing enterprise in practical applications and technology is difficult
Degree.
A kind of high protein stomach invigorating walnut health-care rice flour of ZL 201610207653.6 and preparation method thereof, and
A kind of preparation method of infant's high protein wheat germ rice flour of ZL201710435629.2, ZL97117235.8 high-protein nutrient food
A kind of instant rice floor eaten suitable for the middle-aged and the old of product, ZL and its processing method, ZL201610842042.9 one kind can promote
Hi-protein nutritious cereal described in the patents such as the instant rice floor for baby that stomach absorbs is all made of compounding mode, is taken by various auxiliary materials
With forming, ratio of adjuvant is complicated.
A kind of instant coarse rice powder of ZL 201110295004.3,201610842042.9 one kind of ZL can promote stomach to absorb
The patents such as instant rice floor for baby be to rise to raising instant capacity, handled by enzymolysis process, need using efficient enzyme preparation and
Strict control enzyme preparation dosage and enzymolysis time.
Existing rice flour product processing is mainly obtained by various auxiliary materials compounding, enzymolysis process, can not provide one for consumer
The rice flour produts of the single albumen source of kind, therefore it is unable to satisfy the demand model of current consumption market precisely consumed.Therefore, lead to
Excessively high protein Rice is raw material, develop the high protein instant nourishing rice flour of single albumen source for industry development be it is necessary to
's.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of only outer using single rice as raw material, without being added
Source protein carries out enzymolysis processing to rice raw material and increases percent protein and can provide the instant nourishing of high protein content for human body
The preparation process of rice flour；
The present invention is that above-mentioned technical problem is solved by technical solution below:
A kind of high protein instant nourishing rice flour, the raw material of the ourishing rice flour are only made of rice.
Rice employed in the present invention is high protein rice, protein content >=10%.
The ourishing rice flour has the grain diameter of 30% weight less than 300 μm.
Preferably, using the produced rice of tetraploid high protein rice varieties.
It is furthermore preferred that being using the rice disclosed in 104026006 B of CN, the rice of high protein rice varieties is logical
Cross Xian, the PMeS gene strain of polished rice hybridization backcross breeding has the spy of high protein content with high Grain-Filling Characteristics and polyploidization
Point, by handling induced chromosome by colchicine and doubling on the basis of original diploid high protein content rice varieties
Technology is induced into corresponding tetraploid high protein rice varieties, and then the stabilization strain that screening protein content significantly improves.
Raw material rice its protein content being obtained by this method is about 15-20%, is higher by 3-4 times of general rice, in the present invention
The raw material of use is above-mentioned the produced rice of tetraploid high protein rice varieties, can satisfy human body to the basic need of protein content
It asks.It is detailed in 104026006 B of patent CN in the source of the rice.
A kind of preparation process of high protein instant nourishing rice flour, is obtained by following step: being prepared rice material, is led to
It crosses rice flour preparation system and carries out following processing: (1) sieving and washing removal of impurities；(2) it crushes；(3) extrusion；(4) fluidized bed drying；
(5) it crushes.
A kind of preparation process of above-mentioned high protein instant nourishing rice flour, includes the following steps:
(1) it sieves and washes removal of impurities: rice material being sent into big screening plant and sieves and washes removal of impurities；
(2) it crushes: the rice material after removal of impurities in (1) is crushed in crush box, obtain powder；
(3) extrusion: by extruding apparatus to the powder extrusion in (2), swelling granular is obtained；
(4) fluidized bed drying: the swelling granular in dry (3)；
(5) it crushes: dry swelling granular being transferred in pulverizer and is crushed, obtain high protein instant nourishing rice flour.
Preferably, further include (6): packaged rice flour irradiation sterilization is obtained finished product by the rice flour in packaging (5).Using spoke
According to sterilization treatment, can raising rice flour by a relatively large margin shelf life, be conducive to commercial applications.
Specifically, a kind of preparation process of high protein instant nourishing rice flour, includes the following steps:
(1) it sieves and washes removal of impurities: rice material being sent into screening plant and sieves and washes removal of impurities；
(2) it crushes: the rice material after removal of impurities in (1) being crushed to by 80~100 mesh using crush box, obtains powder；
(3) extrusion: extrusion in extruding apparatus is added in the powder in (2), obtains swelling granular；
The design parameter of extrusion is: adjusting moisture content 15~25%, 180~210r/min of screw rod revolution, extruding
140~160 DEG C of temperature, 1.3~1.8MPa of bulking pressure；
(4) fluidized bed drying: the swelling granular in (3) is sent in fluidized bed drying case by conveyer belt, and drying enters
Mouthful temperature is 60~80 DEG C, 20~30 DEG C of outlet temperature, wind speed 20L/s, dry materials to moisture 3~8%；
(5) it crushes: dry swelling granular being transferred in pulverizer and is crushed, obtain bulking ground rice；
Preferably, further include (6) sterilizing: the rice flour of case will be packaged into, irradiation sterilization obtains finished product.
Preferably, water adjustment is added in (2), in the rice material in (1) after removal of impurities makes material moisture to 15~25%, so
After crush；
Preferably, in (3), moisture content 20%, screw rod revolution 200r/min, 150 DEG C of swelling temperature, bulking pressure are adjusted
1.6MPa；
Preferably, in (4), dry inlet temperature is 70 DEG C, 25 DEG C of outlet temperature, wind speed 20L/s, dry materials to moisture
5%；
Preferably, in (5), bulking ground rice is obtained after being crushed to 40~60 mesh.
Rice flour preparation system is used cooperatively with a kind of above-mentioned high protein instant nourishing rice flour and its preparation process, including with
Under structure:
Material storing box, conveyer belt, guide funnel, screening plant, guide funnel, pulverizer, extruding apparatus, fluidized bed；
The exit of material storing box is corresponding with conveyer belt, has guide funnel, the lower section of guide funnel below the top of conveyer belt
It is screening plant, there is guide funnel below the discharge port of screening plant, there is pulverizer below guide funnel, pulverizer and extruding fills
It sets and is connected, extruding apparatus is connected with fluidized bed.
In a kind of above-mentioned high protein instant nourishing rice flour and its preparation process in rice flour preparation system used, the present inventor
The needs of ourishing rice flour processing are directed to, screening plant are improved, specific as follows: screening plant includes rack and installation
The low dip Horizontal cylinder body roller driven by two groups of first motors on the rack, Horizontal cylinder body roller are driven by first motor
It is dynamic that the rotation for doing that track is ellipse is driven by crank connecting link, there is two layers of sieve in roller, is upper screen and lower layer respectively
Sieve, the mesh of upper screen are 2~3 times of lower screen area；There is water tank at least one inner sidewall on roller, water tank
There is sealing-plug in water inlet；The outlet of water tank is connected with spray head by pipeline, is had on the lateral wall of roller for controlling spray head
The solenoid valve opened or closed；
There is glass observing window above screening plant.The mesh of upper screen is 2~3 times of lower screen area.
The present invention is with the maximum difference of patent in background technique, only with the rice of single component in the present invention
As raw material, the raw material of other high protein contents is not taken, its advantage is that, the rice in the source of single component will not be because of it
Ingredient multiplicity is complicated so as to cause wherein there is part anaphylactogen raw material to cause children or special population allergy；Even only a few
Children or special population are to rice also allergy, then as its ingredient is single, so as to smoothly find anaphylactogen or
Person is not to select to eat.Its ingredient of other ourishing rice flours is various, and when judging anaphylactogen, difficulty is larger；So people
When edible, as long as there is not allergic phenomena to rice, can trust edible, edible range is wider；
The present invention contains using the rice of specific high protein content without high protein is obtained using complicated enzymatic hydrolysis
The product of amount, compared to enzymolysis process, the process step of the invention is very simple again suitable for large-scale the factorial production；
The beneficial effects of the present invention are:
(1) product of the invention, protein content is high, in process of production, only can be obtained using single rice as raw material
The ourishing rice flour of high protein content meets the needs of crowd；
(2) technique of the invention obtains the technique of instant rice floor compared to enzymatic hydrolysis, simple, and the present invention is suitable for industrialization
Large-scale production；
(3) ourishing rice flour is easy to brew, can homogeneous state easy to form using 75~100 DEG C of hot water；It is water-soluble good,
Water-soluble index reaches 36.91, and water-soluble sex index is very high after extrusion, and analysis is in extrusion pressing puffing process, starch structure
It degrades, high temperature action causes molecular cleavage to lead to water-soluble enhancing；
(4) through the invention its color keep of technique rice flour produced obtains preferably, has and white similar in rice
And uniform color, and there is not apparent metachromatism, preferably remain the original color of rice and its fragrance
Show strong rice fragrance；
(6) above-mentioned ourishing rice flour is produced using system provided by the present invention, realizes the start and stop of equipment and sets
Linkage cooperation between standby, equipment control precision height, and equipment automatization is horizontal high, stable.
Detailed description of the invention
Fig. 1 is the rice flour preparation system structural schematic diagram in 1A of the embodiment of the present invention；
Fig. 2-1 is the connection relationship diagram of the rice flour system and packaging and bactericidal unit in 1A of the embodiment of the present invention；
Fig. 2-2 is the schematic diagram of internal structure of screening plant in 1A of the embodiment of the present invention；
Fig. 2-3 is the schematic diagram of internal structure of screening plant in 1B of the embodiment of the present invention；
Extruding sensory evaluation compares after the processing of Fig. 3 difference soaking time；
Fig. 4 is rice flour sensory evaluation comparison after the processing of different puffing times；
Fig. 5 is different moisture content material puffed degree trend chart；
Fig. 6 extrusion rice flour effect picture；
Fig. 7 is that extrusion rice flour brews effect picture；
Fig. 8 is primary amino acid content diagram in the rice flour in embodiment 2；
Fig. 9 is that the DSC after rice is ground is gelatinized heat flow curve and the DSC of ourishing rice flour is gelatinized heat flow curve figure；
Figure 10 is the map of flavor substance in the ourishing rice flour of conventional rice production；
Figure 11 is the map of flavor substance in present invention ourishing rice flour produced；
In figure: 1- material storing box, 2- conveyer belt, the first guide funnel of 3-, 4- glass observing window, 5- screening plant, 6- discharging
Mouth, the second guide funnel of 7-, 8- crush box, 9- extruding apparatus, 10- fluidized bed, 11- air intake, 12- air outlet slit, 13- vibration
Dynamic motor, 14- material outlet, 15- roller, 16- upper screen, 17- lower screen, 18- pulverizer, 19- radiation sterilizing device,
20- rack, 21- feed inlet, 22- sealing cover, 23- sealing-plug, 24- water tank,
25- spray head, 26- pipeline, 27- solenoid valve, 28- strainer, 29- water outlet.
Specific embodiment
The present invention will be further explained combined with specific embodiments below, so that those skilled in the art knows more about
The present invention, but be not intended to limit the present invention.
Embodiment 1A
Rice flour preparation system used in a kind of high protein instant nourishing rice flour and its preparation process, including structure below:
Material storing box 1, conveyer belt 2, guide funnel 3, screening plant 5, guide funnel 7, pulverizer 8, extruding apparatus 9, fluidisation
Bed 10；
The exit of material storing box 1 is corresponding with conveyer belt 2, has the first guide funnel 3 below the top of conveyer belt 2, first leads
Lower section to funnel 3 is screening plant 5, there is the second guide funnel 7, the second guide funnel 7 below the discharge port 6 of screening plant 5
There is crush box 8 in lower section, and crush box 8 is connected with extruding apparatus 9, and extruding apparatus 9 is connected with fluidized bed 10.
Screening plant 5 includes rack and the roller 15 driven by two groups of first motors being mounted in rack 20, roller 15
Crank connecting link is driven through by first motor to drive to rotate, and is had two layers of sieve in roller 15, is 16 He of upper screen respectively
Lower screen 17；The upper top of roller 15 has feed inlet, and sealing cover 22 is corresponding at feed inlet 21；One of them on roller 15
Inner sidewall has water tank 24, and there is sealing-plug 23 in the water inlet of water tank 24；The outlet of water tank 24 is connected with spray head 25 by pipeline 26
It connects, there is the solenoid valve 27 opened or closed for controlling spray head on the lateral wall of roller 15；Water tank 24 is located at 16 He of upper screen
At position between lower screen 17；
The mesh of upper screen is 2 times of lower screen area or so.
There is glass observing window 4 in the top of screening plant 5.For observing the screening situation of material in screening plant 5.
There is air intake 11 in the lower section of fluidized bed 10, and the upper top of fluidized bed 10 has air outlet slit 12, also pacifies on fluidized bed
Equipped with vibrating motor 13, the material outlet 14 of fluidized bed 10 is connected with packing device.
Specific working principle is as follows:
(1) raw material is after sieving and washing removal of impurities, and rice raw material pass through the transmission tilted upward in production line starting point material storing box 1
Band 2 is sent to apparatus for production line highest point, puts into screening plant 5 by guide funnel 3；Two layers of the convenience designed in roller 15
The detachable sieve of cleaning replacement, upper screen 16 are the large-mesh filter screen for sifting out the bulky grains sundries such as stone, lower screen
17 be the fine mesh filter screen for screening out the fine particles sundries such as sandy soil.
It is additionally provided with water tank 24 and spray head 25 in roller 15 and carries out cleaning dust, lower layer to by the rice after two layers of filter screen
Rice on 17 filter screen of sieve is rolled to discharge port 6 through gravity and transfers out through spraying and dedusting and after draining.Roller 15
Glass observing window 4 is installed on shell, convenient for the material transport situation in observation device, prevent from going wrong in the course of work with
Just it solves in time；
The side of roller 15 is provided with strainer 28 and water outlet 29, so that the water after cleaning is discharged；
(2) crush: the rice raw material that screening is cleaned and drained is entered in crush box 8 by self gravity by feed hopper
It crushes；
Crush box 8 (or broken case) is conventional structure, using CN206895495U, as long as all contain with flowering structure
Crush box 8, the crush box 8 being not limited in above-mentioned patent: crush box 8 inside installation crushing shaft passed through by outside
The second motor drive for wearing connection crushes and several Disintegrating knifes is fixedly mounted on the outer wall of shaft, the bottom discharge of crush box 8
Mouth is provided with sieve, the polishing with Disintegrating knife to raw material, and being crushed to can be by free-falling after the sieve of 80~100 mesh；
(since above-mentioned crush box is conventional structure, it is able to achieve above crushing, the present inventor also has no improvement to this, therefore
No longer detailed its specific structure of description)；Second guide funnel 7 is arranged at the top of crush box；
(3) extrusion, smashed rice flour enter extruding apparatus 9, enter extruding apparatus after water mist humidification, stirring
Extrusion is spheric granules；Also there is the second guide funnel 7 in the top of extruding apparatus 9, convenient for transmitting material to extruding apparatus 9；
Extruding apparatus when detecting and controlling rice moisture content and reach 12~20%, starts to its extrusion in extruding；
The working principle of extruding apparatus: smashed rice is entered in bulking machine by feed inlet, and rice flour is with screw rod
Rotation, is fed forward along screw rod direction, extruding of the rice after being crushed by head resistance, while being added by outside machine barrel
Heat and material power the effects of inside machine barrel stirs strongly, rubs, shears, when lead-screw conveys rice to swollen in machine barrel
When the extrusion cabin end of change machine rear end, screw channel volume is gradually become smaller, and with the promotion forward of screw rod, rice temperature continues to increase, pressure
It is gradually increased by force, is then squeezed out from the die hole moment of certain shapes.This process rice is by the unexpected rapid drawdown of high temperature and pressure to high temperature
Normal pressure, the water of free state easily carburation by evaporation under this huge pressure difference in rice flour, and rice moment is made to generate extruding phenomenon, thus
Obtain loose, porous spheric granules rice.Wherein the corresponding parameter of extruding apparatus is respectively 180~200r/ of screw rod revolution
Min, 140~160 DEG C of swelling temperature, 1.3~1.8MPa of bulking pressure；
Extruding apparatus 9 is also conventional structure, its structure that this will not be repeated here；
(4) fluidized bed 10 is dry, after extrusion obtains spheric granules, need to further cool down at drying and crushing
Reason.One 10 drying equipment of fluidized bed is installed between the discharge port of extruding apparatus 9 and the feed inlet of pulverizer 18, in extruding ball
Shape particle is delivered to during pulverizer, and spheric granules is dried；Start 10 drying equipment of fluidized bed, to equipment temperature
After degree is stablized, feeder switch is opened, charging rate is adjusted, detects starting material moisture and terminal material moisture, control outlet
Material moisture 3~8%；
The lateral wall of fluidized bed 10 has vibrating motor 13, provides power for fluidized bed 10；By object after fluidized bed 10 is dry
Material is delivered to pulverizer 18 by material outlet 14；Air is discharged by air outlet slit 12 when fluidized bed 10 is dry；
(5) the dry spheric granules completed crushing packing: is transmitted to pulverizer 18,40~60 mesh of powder particle diameter；Rice flour
Finished product is delivered to upright packing machine by conveyer belt and completes bag making, fill material, filling with inert gas, sealing, cutting and printing life
Produce a series of functions such as date.The packaging material used is OPP bags；
(6) sterilizing storage: after the completion of packaging, using radiation sterilizing device to product sterilization treatment, specifically electronics accelerates
Device radiation sterilizing technology carries out detection sterilization, this technology is one kind of irradiation technique, that is, utilizes the high power electricity that energy is 10MeV
Sub- accelerator art carries out irradiation processing, to reach sterilizing, desinsection, fresh-keeping, anticorrosive mildewproof, sprout inhibition, Shelf-life
Purpose, final finished rice flour be packaged detection sterilization after transferred out by conveyer belt, be put in storage.(above-mentioned technology is more conventional,
This no longer illustrates the structure of equipment one by one).
Embodiment 1B
Essentially identical with the structure of embodiment 1A4, difference is；The inner sidewall of left and right two on roller 15 has water tank
24, the water inlet of two water tanks 24 is provided with sealing-plug 23；The purpose being designed in this way is to make spray head 25 by two water tanks 24
In water be sprayed on the rice of lower screen 17 respectively, adequately clean dedusting.
Embodiment 2
Prepare rice material, following processing is carried out (if equal without specified otherwise by the rice flour preparation system in embodiment 1A
Processing below is carried out using the system in embodiment 1A or 1B):
(1) sieve and wash removal of impurities: rice material is sent into, and there is the rice de-burring machine of double-layer leaching net to sieve and wash removal of impurities；Egg in raw material rice
Bai Hanliang is about 18% or so；
(2) it crushes: the rice material after removal of impurities in (1) being crushed to by 100 mesh using pulverizer, obtains powder；
(3) extrusion: extrusion in twin-screw extruder is added in the powder in (2), obtains swelling granular；
The parameter of above-mentioned steps is: adjusting moisture content 20%, screw rod revolution 200r/min, 150 DEG C of swelling temperature, extruding
Pressure 1.5MPa；
(4) fluidized bed drying: the swelling granular in (3) is sent in fluidized bed drying case by conveyer belt, and drying enters
Mouthful temperature is 70 DEG C, 25 DEG C of outlet temperature, wind speed 20L/s, dry materials to moisture 5% or so；
(5) crushing packing: dry swelling granular is transferred to pulverizer and is crushed, bulking ground rice is obtained；
(6) it sterilizes: the rice flour of case will be packaged into, irradiation sterilization obtains finished product.
Embodiment 3
A kind of preparation process of high protein instant nourishing rice flour, includes the following steps:
(1) sieve and wash removal of impurities: rice material is sent into, and there is the rice de-burring machine of double-layer leaching net to sieve and wash removal of impurities；Egg in raw material rice
Bai Hanliang is about 18% or so；
(2) it crushes: the rice material after removal of impurities in (1) being crushed to by 80 mesh using pulverizer, obtains powder；
(3) extrusion: extrusion in twin-screw extruder is added in the powder in (2), obtains swelling granular；
The parameter of above-mentioned steps is: adjusting moisture content 15%, screw rod revolution 180r/min, 140 DEG C of swelling temperature, extruding
Pressure 1.5MPa；
(4) fluidized bed drying: the swelling granular in (3) is sent in fluidized bed drying case by conveyer belt, and drying enters
Mouthful temperature is 60 DEG C, 20 DEG C of outlet temperature, wind speed 20L/s, dry materials to moisture 5% or so；
(5) crushing packing: dry swelling granular is transferred to pulverizer and is crushed, bulking ground rice is obtained；
(6) it sterilizes: the rice flour of case will be packaged into, irradiation sterilization obtains finished product.
Embodiment 4
A kind of preparation process of high protein instant nourishing rice flour, includes the following steps:
(1) sieve and wash removal of impurities: rice material is sent into, and there is the rice de-burring machine of double-layer leaching net to sieve and wash removal of impurities；Egg in raw material rice
Bai Hanliang is about 18% or so；
(2) it crushes: the rice material after removal of impurities in (1) being crushed to by 80 mesh using pulverizer, obtains powder；
(3) extrusion: extrusion in twin-screw extruder is added in the powder in (2), obtains swelling granular；
The parameter of above-mentioned steps is: adjusting moisture content 15%, screw rod revolution 180r/min, 140 DEG C of swelling temperature, extruding
Pressure 1.5MPa；
(4) fluidized bed drying: the swelling granular in (3) is sent in fluidized bed drying case by conveyer belt, and drying enters
Mouthful temperature is 80 DEG C, 30 DEG C of outlet temperature, wind speed 20L/s, dry materials to moisture 8% or so；
(5) crushing packing: dry swelling granular is transferred to pulverizer and is crushed, bulking ground rice is obtained；
(6) it sterilizes: the rice flour of case will be packaged into, irradiation sterilization obtains finished product.
Embodiment 5
About product of the invention, the present inventor has done experiment below, obtains optimal scheme:
Color is chosen, as sensory evaluation index, evaluation table is as shown in table 1 for mouthfeel and quality.By the rice in steep of screening
Different time and after the different disposal time carries out sensory evaluation for the rice being disposed.
1 rice of table is gelatinized sensory evaluation grade form
After 0~40min of rice in steep, sensory evaluation is carried out after extruding, as seen from Figure 3, is impregnating 10min pasting effect
Most preferably, then it is easy to appear situations such as being charred taste, whole sense organ is caused to reduce because being easy to appear the reduction of the extruding uniformity.Pass through
This research is thought, appropriate immersed with raising gelatinization degree is conducive to, and obtains best mouthfeel.
2 bulking ground rice sensory evaluation grade form of table
The rice for impregnating 10min is chosen, different puffing time processing is carried out, is crushed to 40~80 using medicinal herb grinder
Mesh carries out sensory evaluation with color and mouthfeel, and discovery extends with puffing time, and pasting effect is gradually uniform, and mouthfeel, which is presented, becomes good
Trend, but after the time further extends, rice starts occur being charred state, and mouthfeel is deteriorated rapidly, when using bulking processing art for producing
Between control 120s or so and can obtain optimum efficiency.
It is control variable with soaking time and puffing time, has studied the sense organ comparison of rice flour, find immersion treatment
It carries out crushing to brew after 10min, extruding 120s that optimal effect can be obtained, but is that bulking ground rice obtained is general there are problem
It is yellow.
Using puffed material water content as research object, pass through the object of puffed degree and water-soluble index assessment polyploid rice A2
Expect that water content control parameter and die temperature control parameter, other technic indexs refer to prior art processes.
The measurement of puffed degree, the ratio after measuring the swollen rouge of product with vernier caliper and before extruding is puffed degree, each sample
Product measure 6 times at random, are averaged the radial dimension as product, take after measurement millet extruding the ratio between radial dimension to weigh
Measure radial expansion rate:
Size × 100% before size/extruding after puffed degree=extruding
Water-soluble assessment of indices claims sample comminution to 2.5g (W0), (W is put into the centrifuge tube of known quality1), it is added
30mL distilled water, concussion, until puff is completely dispersed.After 30 DEG C of water-bath concussion 30min, 4 000r/min are centrifuged 20min,
Supernatant is poured into known quality (W2) in aluminium box, 105 DEG C of (W that dry to constant weight3), it is repeated 3 times.
The rice flour that general rice produces is denoted as reference examples, and being compared as follows for embodiment:
The rice flour of table 3-1 general rice production is compared with rice flour dissolubility of the invention
| Reference examples | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Puffed degree | 2.07±0.02b | 2.54±0.02a | 2.49±0.01c | 2.51±0.03d |
| Water-soluble sex index | 30.15 | 36.91 | 36.87 | 36.89 |
| Solubility % | 84.31 | 99.43 | 98.79 | 99.21 |
In upper table, puffed degree is indicated using mean+SD (3 repetitions are tested), the different tables of the letter after average value
Show significant difference (p≤0.05)
, the water-soluble sex index low compared with of the invention that can be seen that the rice flour in reference examples its puffed degree from the data in upper table
It is also low compared with of the invention with solubility.
As seen from Figure 7, with the rising of water content, puffed degree presentation first rises, then the trend of rapid decrease, this object
Optimal expansion effect is obtained when material control water content 8% (calculation is to ignore the water content of rice raw material).Extruding terminates
Afterwards, drying and processing, is packed and sterilization treatment, grab sample detection finished product water content are 8.12 ± 0.06%, product moisture content symbol
Combined foodstuff controls standard.
In order to conduct further research to technique of the invention, the present inventor has made following detection:
Table 3-2 expanding treatment influences the nutritional ingredient of rice flour
Note: the significant difference (p < 0.05) in table between the alphabet registration value different in column data
It can be seen that technique through the invention from the data in upper table to handle rice, be processed into after rice flour,
Its total starch, crude protein, crude fat and total dietary fiber amplitude of variation are simultaneously little, and its total dietary fiber is dropped
It is low, the fine and smooth sense that mouthfeel increases entrance can be improved.
Influence of the expanding treatment to the amino acid content of rice flour is as shown in figure 8, the pillar on the left side is the free of Raw Materials Rice
Amino acid content, the pillar on the right are the free aminoacid content of rice flour.From figure 8, it is seen that free ammonia before and after expanding treatment
The variation of base acid is simultaneously little.
From fig. 9, it can be seen that in Fig. 9 ordinate indicate heat flow curve, abscissa indicate temperature, from it is lower and under respectively represent
Raw Materials Rice grind after DSC gelatinization heat flow curve and ourishing rice flour DSC gelatinization heat flow curve, it is from curve as can be seen that swollen
Change front and back rice material and rice flour has endothermic peak at 65-75 DEG C, and the rice flour heat absorption peak after extruding is less obvious, this illustrates extruding
Unpaste starch content is less in rice flour afterwards.
Influence of 4 expanding treatment of table to rice flour texture
Polyploid rice and conventional rice are carried out into expanding treatment simultaneously, show polyploid rice by texture detection and analysis
Rice flour hardness is lower on year-on-year basis, has better elasticity and chewiness, while adhesivity declines.
The flavor substance of conventional rice and rice of the invention ourishing rice flour produced is shown from Figure 10 and 11
Content is as a result as follows: to analyze polyploid using Headspace-solid phase microextraction-gas chromatography-mass spectrum (HS-SPME-GC/MS) method
Rice (hbs-13) and conventional rice (hbs-15) volatile component, as the result is shown the volatile component type of polyploid rice and
Content is all remarkably higher than conventional rice.It is compared and is shown by database, esters etc. in the flavor substance of polyploid rice sample
Taste compound content is higher, so that the rice fragrance of polyploid rice flour is stronger.
From the point of view of nutrition retention rate (or loss late), the present invention in rice flour compared with general rice rice flour produced its
Nutritive loss rate is small, the rice flour that general rice produces is denoted as reference examples, specific testing result is as follows:
Table 5-1 respectively refers to object detection method
The loss lates such as energy, albumen in ourishing rice flour process in table 5-2 reference examples and the embodiment of the present invention 2~4
(%)
| Energy | Protein | Fat | Carbohydrate | |
| Reference examples | 9.47±0.12 | 8.76±0.46 | 7.85±0.68 | 9.48±0.67 |
| Embodiment 2 | 8.04±0.31 | 7.01±0.19 | 6.15±0.12 | 8.74±0.15 |
| Embodiment 3 | 8.15±0.16 | 6.98±0.13 | 6.07±0.45 | 8.17±0.39 |
| Embodiment 4 | 7.85±0.49 | 6.73±0.54 | 5.81±0.35 | 8.34±0.17 |
The loss late (%) of microelement in ourishing rice flour process in 6 reference examples of table and the embodiment of the present invention 2~4
| Reference examples | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| VA | 38.28±3.45 | 28.64±4.37 | 27.85±3.48 | 28.64±4.37 |
| VD | 41.36±0.91 | 20.41±1.91 | 21.76±0.72 | 19.87±2.37 |
| VE | 8.76±0.68 | 6.43±0.15 | 6.43±0.26 | 6.89±0.56 |
| VB1 | 12.87±2.43 | 7.49±0.58 | 7.84±0.43 | 8.01±1.24 |
| VB2 | 20.27±1.96 | 15.23±0.51 | 14.57±0.16 | 14.79±0.25 |
| VB6 | 3.45±0.85 | 0.13±0.24 | 0.19±0.38 | 0.18±0.76 |
| Pantothenic acid | -10.46±1.56 | -16.79±0.48 | -16.25±0.61 | -16.15±0.76 |
| Biotin | 4.43±4.38 | 0.33±0.79 | 0.58±0.33 | 0.48±0.91 |
| Folic acid | 4.15±2.07 | 0.17±0.26 | 0.27±0.19 | 0.18±0.32 |
| Niacin | 7.59±1.66 | 1.18±2.56 | 1.04±1.13 | 1.26±1.73 |
| VB12 | -0.85±0.37 | -10.58±5.39 | -10.26±5.03 | -10.15±3.48 |
Mineral loss rate (%) in 7 reference examples of table and embodiment 2~4
| Reference examples | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Calcium | 4.25±1.18 | -1.21±1.64 | -0.99±2.03 | -1.21±1.64 |
| Iron | 6.24±0.75 | 1.46±0.38 | 1.83±0.58 | 1.457±0.45 |
| Zinc | 1.43±0.39 | -3.76±2.15 | -2.92±3.24 | -4.12±3.05 |
| Phosphorus | 10.87±3.16 | 7.49±0.41 | 6.98±1.52 | 7.82±0.32 |
| Sodium | 12.48±2.47 | -0.17±3.21 | -0.19±2.48 | -0.26±4.36 |
Can be seen that the ourishing rice flour produced by means of the present invention from the data in above table, either albumen,
Carbohydrate, the loss of energy or the loss of minerals or microelement, the present invention in method preparation ourishing rice flour
Its loss late will be lower than the rice flour of commonsense method preparation in reference examples.
Claims (10)
1. a kind of high protein instant nourishing rice flour, which is characterized in that the raw material of the ourishing rice flour is only made of rice.
2. a kind of high protein instant nourishing rice flour as described in claim 1, which is characterized in that rice is high protein rice,
Protein content >=10%.
3. a kind of high protein instant nourishing rice flour as described in claim 1, which is characterized in that use tetraploid high protein rice
The produced rice of kind.
4. a kind of high protein instant nourishing rice flour as described in claim 1, which is characterized in that the ourishing rice flour has 30% weight
The grain diameter of amount is less than 300 μm.
5. a kind of high protein instant nourishing rice flour as described in claim 1, preparation process, it is characterised in that: prepare raw material
Rice, following processing is carried out by rice flour preparation system: (1) sieving and washing removal of impurities；(2) it crushes；(3) extrusion；(4) fluidized bed is dry
It is dry；(5) it crushes.
6. a kind of preparation process of high protein instant nourishing rice flour as described in claim 1, includes the following steps:
(1) it sieves and washes removal of impurities: rice material feeding screening plant is sieved and washed into removal of impurities；
(2) it crushes: the rice material after removal of impurities in (1) is crushed in crush box, obtain powder；
(3) extrusion: by extruding apparatus to the powder extrusion in (2), swelling granular is obtained；
(4) fluidized bed drying: the swelling granular in dry (3)；
(5) it crushes: dry swelling granular being transferred in pulverizer and is crushed, obtain high protein instant nourishing rice flour.
7. a kind of preparation process of high protein instant nourishing rice flour as claimed in claim 2, it is characterised in that:
Further include (6): packaged rice flour irradiation sterilization is obtained finished product by the rice flour in packaging (5).
8. a kind of preparation process of high protein instant nourishing rice flour as described in claim 1, includes the following steps:
(1) it sieves and washes removal of impurities: rice material being sent into screening plant and sieves and washes removal of impurities；
(2) it crushes: the rice material after removal of impurities in (1) being crushed to by 80 ~ 100 mesh using crush box, obtains powder；
(3) extrusion: extrusion in extruding apparatus is added in the powder in (2), obtains swelling granular；
The design parameter of extrusion is: adjusting moisture content 15 ~ 25%, 180 ~ 210 r/min of screw rod revolution, swelling temperature
140 ~ 160 DEG C, 1.3 ~ 1.8MPa of bulking pressure；
(4) fluidized bed drying: the swelling granular in (3) is sent in fluidized bed drying case by conveyer belt, dry entrance temperature
Degree be 60 ~ 80 DEG C, 20 ~ 30 DEG C of outlet temperature, wind speed 20L/s, dry materials to moisture 3 ~ 8%；
(5) it crushes: dry swelling granular being transferred in pulverizer and is crushed, obtain bulking ground rice；
Preferably, further include (6) sterilizing: the rice flour of case will be packaged into, irradiation sterilization obtains finished product.
9. a kind of high protein instant nourishing rice flour according to claim 1 and its preparation process, which is characterized in that (2) in,
Water adjustment is added in rice material after cleaning in (1) makes material moisture to 15 ~ 25%, then crushes；
Preferably, in (3), moisture content 20%, 200 r/min of screw rod revolution, 150 DEG C of swelling temperature, bulking pressure are adjusted
1.6MPa；
Preferably, in (4), dry inlet temperature is 70 DEG C, 25 DEG C of outlet temperature, wind speed 20L/s, dry materials to moisture 5%；
Preferably, in (5), bulking ground rice is obtained after being crushed to 40 ~ 60 mesh；It either pulverizes to 200~400 mesh.
10. rice flour preparation used system in a kind of high protein instant nourishing rice flour according to claim 1 and its preparation process
System, including structure below:
Material storing box (1), conveyer belt (2), guide funnel (3), screening plant (5), guide funnel (7), crush box (8), extruding dress
Set (9), fluidized bed (10)；
The exit of material storing box (1) is corresponding with conveyer belt (2), is had guide funnel (3) below the top of conveyer belt (2), guiding leakage
It is screening plant (5) below bucket (3), has guide funnel (7) below the discharge port (6) of screening plant (5), guide funnel (7)
Lower section has crush box (8), and crush box (8) is connected with extruding apparatus (9), and extruding apparatus (9) is connected with fluidized bed (10)；
Preferably, screening plant (5) include rack and be mounted on rack (20) by two groups of first motors drive roller
(15), roller (15) is driven through crank connecting link by first motor and drives to rotate, and has two layers of sieve in roller (15), respectively
It is upper screen (16) and lower screen (17)；The upper top of roller (15) has feed inlet, and feed inlet is corresponding with sealing at (21)
It covers (22)；There is water tank on roller (15) at least one inner sidewall, the water inlet of water tank (24) there are sealing-plug (23)；Water tank
(24) outlet and spray head (25) are connected by pipeline (26), have on the lateral wall of roller (15) for control spray head open or
The solenoid valve (27) of closing；
Preferably, there are glass observing window (4) above screening plant (5)；
Preferably, the mesh of upper screen is 2~3 times of lower screen area.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209000A (en) * | 2021-11-09 | 2022-03-22 | 广东亨盛维嘉食品工业有限公司 | Processing and drying treatment process for nutritional rice noodles |
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| CN104305006A (en) * | 2014-11-03 | 2015-01-28 | 苏州硒谷科技有限公司 | Method for preparing fast dissolving selenium-rich rice flour by wet granulating technology |
| CN104938913A (en) * | 2015-06-03 | 2015-09-30 | 山西省农业科学院农产品加工研究所 | Preparation method for highland barley dissolving powders |
| CN210299377U (en) * | 2019-05-20 | 2020-04-14 | 山东商业职业技术学院 | System for preparing high-protein instant nutritional rice flour |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104305006A (en) * | 2014-11-03 | 2015-01-28 | 苏州硒谷科技有限公司 | Method for preparing fast dissolving selenium-rich rice flour by wet granulating technology |
| CN104938913A (en) * | 2015-06-03 | 2015-09-30 | 山西省农业科学院农产品加工研究所 | Preparation method for highland barley dissolving powders |
| CN210299377U (en) * | 2019-05-20 | 2020-04-14 | 山东商业职业技术学院 | System for preparing high-protein instant nutritional rice flour |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209000A (en) * | 2021-11-09 | 2022-03-22 | 广东亨盛维嘉食品工业有限公司 | Processing and drying treatment process for nutritional rice noodles |
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