CN108684932A - A kind of popcorn and preparation method thereof - Google Patents
A kind of popcorn and preparation method thereof Download PDFInfo
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- CN108684932A CN108684932A CN201710225252.8A CN201710225252A CN108684932A CN 108684932 A CN108684932 A CN 108684932A CN 201710225252 A CN201710225252 A CN 201710225252A CN 108684932 A CN108684932 A CN 108684932A
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Abstract
The present invention relates to a kind of popcorns and preparation method thereof, belong to agricultural byproducts processing technical field.The preparation method includes the following steps:1) it crushes:Maize raw material is ground into broken corn;2) quenched:Broken corn is handled into 8~20s in 60~70 DEG C, the air containing 1~2% vapor;3) feeding:The quenched and tempered broken corn of step 2) is delivered to the feed inlet of bulking machine;4) extrusion:So that broken corn is extruded in an axial direction in the Builking cavity of bulking machine, is extruded from the die hole of Builking cavity discharge end by feeding zone, mixed zone and shear zone;The temperature of the feeding zone is 100~105 DEG C, 105~120 DEG C of the temperature of mixed zone, and the temperature of shear zone is 120~135 DEG C;5) after cooling to obtain the final product.The popcorn of this method production, the reserved height and starch burn degree of nutriment can reach 85% or more, make an addition in feed, can promote digesting and assimilating for animal.
Description
Technical field
The present invention relates to a kind of popcorns and preparation method thereof, belong to agricultural byproducts processing technical field.
Background technology
Corn is important cereal crops and forage crop and the highest crops of whole world total output, growing surface
Product and total output are only second to rice and wheat.Corn is all known as always life prolonging food, contains abundant protein, fat, dimension
Raw element, trace element, cellulose etc. have exploitation high nutrition, the great potential of high biological function food.Corn is also simultaneously
Important forage crop, feeding value is far above wheat, barley, oat and sorghum, as the high-quality feeding developed animal husbandry
Expect source, extremely important status is occupied in animal and fowl fodder.
However raw corn be as feedstuff when, there are many problems to limit its application:(1)
Moisture is higher:For the general moisture of corn raw grain 14~20%, the Corn moisture content of different batches is widely different, this is to feeding
Material prescription brings inconvenience, and the higher corn of moisture be easy it is mouldy.(2) resistance starch content is high:Without
The corn of processing, resistance starch content is higher, is not easy to be digested absorption, can increase the discharge of fat, to increase feed
Cost.
In recent years, the popularization and application of extruding and puffing technology open new approach for the comprehensive utilization of corn.Currently, domestic
Have many scholars to study extrusion corn.For example, Agricultural University Of He'nan's master thesis"Popcorn is sought
Support value evaluation and its influence to porkling production performance research"(author, Hu Jianye, tutor:Old its is new etc., 2009) first
Chapter 1.2 saves puffing technique and discloses the operation principle of popcorn, and corn puffing is in moisture, heat, mechanical shearing, rubs, rubs
Starch gelatinization process under stranding and the comprehensive function of pressure difference.When corn flour is mixed with steam and water, starch granules starts to inhale
Water expands, and when passing through Builking cavity, the rubbing of rapid raised temperature and helical blade makes net bag shape starch granules accelerate water suction, brilliant
Body structure starts to disintegrate, and hydrogen bond fracture, the amylum body of expansion starts to rupture, becomes a kind of sticky molten mass, go out in bulking machine
Since the pressure drop asked in wink, steam (moisture) moment scatter and disappear at mouthful, a large amount of expansion starch grain is set to be disintegrated, starch gelatinization.Water
Further evaporation makes to leave many micropores in cooling gluey material steam, is formed popcorn.With conventional cooked work
Skill is compared, and corn puffing can be such that plant cell wall ruptures, and starch chain is shorter, to more effectively improve digestibility.Currently, puffing
It still needs further improvement for the gelatinization degree of corn.
Invention content
The purpose of the present invention is to provide a kind of preparation method of popcorn being improved to the prior art and it is somebody's turn to do
Popcorn prepared by method, expanded corn starch gelatinization degree prepared by this method may be up to 85% or more, prepared by the present invention
Popcorn be added in feed, be conducive to animal digestion absorption.
Technical solution is used by the preparation method of the popcorn of the present invention:
A kind of preparation method of popcorn, includes the following steps:
1) it crushes:Maize raw material is ground into broken corn;
2) quenched:Broken corn is handled into 8~20s in 60~70 DEG C, the air containing 1~2% vapor;
3) feeding:The quenched and tempered broken corn of step 2) is delivered to the feed inlet of bulking machine;
4) extrusion:Broken corn is set to pass axially through feeding zone, mixed zone and shear zone in the Builking cavity of bulking machine
After being extruded, popcorn material is extruded to obtain from the die hole of Builking cavity discharge end;The temperature of the feeding zone is 100~105
DEG C, the temperature of mixed zone is 105~120 DEG C, and the temperature of shear zone is 120~135 DEG C;
5) cooling:After the cooling of popcorn material to obtain the final product.
The maize raw material be particle is complete, mouldy grain less, the low corn of content of toxins.
Moisture is less than 14% in the maize raw material.
Aflatoxin content is no more than 10ppb in the maize raw material, and zeranol toxin is no more than 100ppb, vomits
It spits content of toxins and is no more than 500ppb.
The processing is wettability treatment.
The corn that some are contained with impurity needs to be dusted and except miscellaneous operation could obtain satisfactory corn original
Material, preferably removes dust, impurity with sieve.It is preferred that removing de-iron class impurity with magnet drum.
The grain size of the broken corn is 1.5~2.5mm.It is preferred in of the invention in order to obtain the broken corn of above-mentioned grain size
It is crushed with pulverizer, the grinding screen plate aperture of vermicelli machine is 1.5~2.5mm.
The speed of the feeding is preferably 38~42kg/min.At this point, the rotating speed of feeding motor is 80~90r/min.
The preparation method of the popcorn further includes being crushed after step 5) is cooling, and popcorn is obtained after crushing
The grain size of powder, the expanded corn powder is 1.0~1.2mm, and the sieving of 20 mesh same can reach 99.9%.
The preparation method of the popcorn further includes packaging.
For the packaging preferably with there is the chemical fibre woven bag of plastic inner lining to be dispensed, the packing is preferably every bag
50kg。
Technical program of the present invention also lies in:A kind of popcorn prepared using above-mentioned preparation method.
The technique that popcorn is prepared using the above method, it is simple for process, by carrying out quenched and closing before puffing
The temperature of feeding zone, mixed zone, shear zone, can be obviously improved the nutriment in popcorn in reason control puffing process
Reserved and starch burn degree, gelatinization degree may be up to 85% or more, make an addition in feed, and the digestion of animal can be promoted to inhale
It receives.
Description of the drawings
Fig. 1 is the photo of popcorn prepared by embodiment 2.
Specific implementation mode
The TDPH-260 types of the model Guangzhou world Industrial Co., Ltd. production of bulking machine used in following embodiment
Bulking machine, wherein feeding zone, mixed zone, shear zone the diameters of pressure rings be respectively 240/245/255mm.
Embodiment 1
The preparation method of the popcorn of the present embodiment, includes the following steps:
1) raw material screening:Select particle is complete, mouldy grain less, aflatoxin content be no more than 10ppb, zeranol poison
Element is no more than 100ppb, and it is raw material that vomitoxin content, which is no more than the corn of 500ppb and moisture less than 14%,;
2) raw material crushes:Maize raw material is ground into the broken corn of 1.5mm with pulverizer;
3) quenched:By broken corn in 60 DEG C, the air containing 1% vapor at (steam pressure 0.4Mpa) wetting
Manage 20s;
4) feeding:The broken corn after quenched is sent into mechanical auger the feed inlet of bulking machine, the speed of charging is 38kg/
Min, the rotating speed of feeding motor is 80r/min at this time;
5) extrusion:Broken corn is extruded in an axial direction in the Builking cavity of bulking machine, by feeding zone, mixed zone and is cut
A diameter of 8mm popcorns material is extruded from the die hole of Builking cavity discharge end after cutting area;The temperature of the feeding zone is 100
DEG C, the temperature of 105 DEG C of the temperature of mixed zone, shear zone is 120 DEG C;
6) cooling:After the system formed with cyclone and chilling roll cools down, the corn material extruded from die hole is to get swollen
Change corn.
The present embodiment further includes the popcorn using above method production.
Popcorn physical and chemical index in embodiment 1 is detected, testing result is as shown in table 1.
The physicochemical property testing result of 1 embodiment of table, 1 popcorn
From table 1 it follows that popcorn color and luster manufactured in the present embodiment is faint yellow, there is rice krispies flowery odour, hold
Weight is 350~450g/L, and moisture is more conducive to the preservation of popcorn, and it forms sediment than reducing 7% or so in raw material
Powder gelatinization degree is higher than 85%, is added in feed, is conducive to digesting and assimilating for animal.
Embodiment 2
The preparation method of the popcorn of the present embodiment, includes the following steps:
1) raw material screening:The corn of the present embodiment contains dust and iron class impurity, and sieve and magnet drum is first used to remove corn
Kind dust and the iron class impurity that contains, then select particle is complete, mouldy grain less, aflatoxin content be no more than 10ppb,
Zeranol toxin is no more than 100ppb, and vomitoxin content is no more than the corn of 500ppb and moisture less than 14%
For raw material;
2) raw material crushes:Maize raw material is ground into the broken corn of 2.0mm with pulverizer;
3) quenched:By broken corn in 65 DEG C, the air containing 2% vapor at (steam pressure 0.4Mpa) wetting
Manage 15s;
4) feeding:The broken corn after quenched is sent into mechanical auger the feed inlet of bulking machine, the speed of charging is 42kg/
Min, the rotating speed of feeding motor is 90r/min at this time;
5) extrusion:Broken corn is extruded in an axial direction in the Builking cavity of bulking machine, by feeding zone, mixed zone and is cut
It cuts area and is extruded a diameter of 12mm popcorns material from the die hole of Builking cavity discharge end;The temperature of the feeding zone is 102 DEG C,
The temperature of 108 DEG C of the temperature of mixed zone, shear zone is 128 DEG C;
6) cooling:The system cooling formed with cyclone and chilling roll, the popcorn material extruded from die hole;
7) product crushes:Popcorn material is sent to using elevator in an other pulverizer, two wheat-middlings are carried out
Broken, in 1.0~1.2mm, 20 mesh sieving rates can reach 99.9% by cooling puffing jade in the wherein sieve aperture of separating twice
Rice material is ground into the expanded corn powder that grain size is 1.0~1.2mm, as popcorn in pulverizer;
8) it packs, be put in storage:Expanded corn powder is incorporated with to the chemical fibre woven bag of plastic inner lining, every bag of 50kg, then with braiding
Bag sealer is sealed, and is put in storage later.
The present embodiment further includes using the popcorn of above method production, and shape appearance figure is as shown in Figure 1.
Popcorn physical and chemical index in embodiment 2 is detected, testing result is as shown in table 2.
The physicochemical property testing result of 2 embodiment of table, 2 popcorn
| Physical index | |
| Color and luster | It is faint yellow |
| Smell | Rice krispies flowery odour |
| Unit weight | 350-450g/L |
| Granularity | 20 mesh screenings >=100.0% |
| Trophism index | |
| Moisture | ≤ 8.8% |
| Crude protein | >=7.6% |
| Coarse ash | ≤ 2.0% |
| Non-nutritive index | |
| Starch burn degree | >=80% |
| Aflatoxin | ≤10ppb |
| Zeranol | ≤100ppb |
| Vomitoxin | ≤500ppb |
From Table 2, it can be seen that popcorn color and luster manufactured in the present embodiment is faint yellow, there is rice krispies flowery odour, hold
Weight is 350~450g/L, and moisture is more conducive to the preservation of popcorn, and it forms sediment than reducing 6% or so in raw material
Powder gelatinization degree is higher than 80%, is added in feed, is conducive to digesting and assimilating for animal.
Embodiment 3
The preparation method of the popcorn of the present embodiment, includes the following steps:
1) raw material screening:Select particle is complete, mouldy grain less, aflatoxin content be no more than 10ppb, zeranol poison
Element is no more than 100ppb, and it is raw material that vomitoxin content, which is no more than the corn of 500ppb and moisture less than 14%,;
2) raw material crushes:Maize raw material is ground into the broken corn of 2.5mm with pulverizer;
3) quenched:By broken corn, (steam pressure 0.4Mpa) is soaked in 70 DEG C, the air containing 1.5% vapor
Handle 8s;
4) feeding:The broken corn after quenched is sent into mechanical auger the feed inlet of bulking machine, the speed of charging is 40kg/
Min, the rotating speed of feeding motor is 85r/min at this time;
5) extrusion:Broken corn is extruded in an axial direction in the Builking cavity of bulking machine, by feeding zone, mixed zone and is cut
It cuts area and is extruded a diameter of 10mm popcorns from the die hole of Builking cavity discharge end;The temperature of the feeding zone is 105 DEG C, is mixed
120 DEG C of the temperature in area is closed, the temperature of shear zone is 135 DEG C;
6) cooling:The system cooling formed with cyclone and chilling roll;
7) product crushes:Popcorn is ground into the expanded corn powder that grain size is 1.0~1.2mm in pulverizer;
8) it packs, be put in storage:Expanded corn powder is incorporated with to the chemical fibre woven bag of plastic inner lining, every bag of 50kg, then with braiding
Bag sealer is sealed, and is put in storage later.
The present embodiment further includes the popcorn using above method production.
Popcorn physical and chemical index in embodiment 3 is detected, testing result is as shown in table 3.
The physicochemical property testing result of 3 embodiment of table, 3 popcorn
| Physical index | |
| Color and luster | It is faint yellow |
| Smell | Rice krispies flowery odour |
| Unit weight | 350-450g/L |
| Granularity | 20 mesh screenings >=100.0% |
| Trophism index | |
| Moisture | ≤ 6.5% |
| Crude protein | >=7.9% |
| Coarse ash | ≤ 2.0% |
| Non-nutritive index | |
| Starch burn degree | >=90% |
| Aflatoxin | ≤10ppb |
| Zeranol | ≤100ppb |
| Vomitoxin | ≤500ppb |
From table 3 it is observed that popcorn color and luster manufactured in the present embodiment is faint yellow, there is rice krispies flowery odour, hold
Weight is 350~450g/L, and moisture is more conducive to the preservation of popcorn, and it forms sediment than reducing 8% or so in raw material
Powder gelatinization degree is higher than 90%, is added in feed, is conducive to digesting and assimilating for animal.
Claims (8)
1. a kind of preparation method of popcorn, which is characterized in that include the following steps:
1) it crushes:Maize raw material is ground into broken corn;
2) quenched:Broken corn is handled into 8~20s in 60~70 DEG C, the air containing 1~2% vapor;
3) feeding:The quenched and tempered broken corn of step 2) is delivered to the feed inlet of bulking machine;
4) extrusion:Make broken corn pass axially through feeding zone, mixed zone and shear zone in the Builking cavity of bulking machine to be squeezed
After pressure, it is extruded from the die hole of Builking cavity discharge end;The temperature of the feeding zone is 100~105 DEG C, and the temperature of mixed zone is
105~120 DEG C, the temperature of shear zone is 120~135 DEG C;
5) cooling:After the cooling of popcorn material to obtain the final product.
2. preparation method according to claim 1, which is characterized in that the maize raw material water content is less than 14%.
3. preparation method according to claim 1, which is characterized in that aflatoxin content is not in the maize raw material
More than 10ppb, zeranol toxin is no more than 100ppb, and vomitoxin content is no more than 500ppb.
4. preparation method according to claim 1, which is characterized in that the grain size of the broken corn is 1.5~2.5mm.
5. preparation method according to claim 1, which is characterized in that the speed of the feeding is 38~42kg/min.
6. preparation method according to claim 1, which is characterized in that a diameter of the 8 of the die hole of the discharge end~
12mm。
7. preparation method according to claim 1, which is characterized in that crush to obtain popcorn after step 5) is cooling
The grain size of powder, the expanded corn powder is 1.0~1.2mm.
8. a kind of popcorn prepared using preparation method described in claim 1.
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| CN201710225252.8A CN108684932A (en) | 2017-04-07 | 2017-04-07 | A kind of popcorn and preparation method thereof |
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| CN201710225252.8A CN108684932A (en) | 2017-04-07 | 2017-04-07 | A kind of popcorn and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009560A (en) * | 2021-12-18 | 2022-02-08 | 安徽华国堂生物科技有限公司 | Combined rice bean, gordon euryale seed and coix seed tea |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009560A (en) * | 2021-12-18 | 2022-02-08 | 安徽华国堂生物科技有限公司 | Combined rice bean, gordon euryale seed and coix seed tea |
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