CN106071748A - The the ripest of a kind of low GI stays embryo Avena sativa L. and processing method thereof - Google Patents
The the ripest of a kind of low GI stays embryo Avena sativa L. and processing method thereof Download PDFInfo
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Abstract
The invention belongs to technical field of agricultural product process, the ripest of a kind of low GI stays embryo Avena sativa L. and processing method thereof.This Avena sativa L. is through removing lignifying outer peel and controls extrusion process and processes, and completely remains oat grain aleurone and plumule, and flat appearance is smooth, in slab-like, and its thick wide ratio is between 0.30～0.55.Avena sativa L. after using processing method of the present invention to process, defines sightless minute fissure directly perceived at its specific part, peels in addition and reduces hydro-thermal conduction distance, may result in its ripening performance and significantly improve, reached with rice with boiling with ripe effect.And the natural particle shape of its oat grain can be recovered before steaming and decocting ripening, maintain that it is smooth, micro-glutinous and be rich in the significant mouthfeel of chewiness, suitably cook rice or the varieties of food items such as medicated porridge soup class and meat ball, meat pie, meat stuffing, completely different with oatmeal.
Description
Technical field
The invention belongs to technical field of agricultural product process, the ripest of a kind of low GI stays embryo Avena sativa L. and processing side thereof
Method.
Background technology
Herba bromi japonici rich in proteins, unsaturated fatty acid, dietary fiber, vitamin B group, mineral nutrient element and β-Portugal are poly-
The functional components such as sugar, alkaloid, saponin, GI value is 49, is a kind of important functional food materials, is distributed widely in all over the world.
Numerous studies show, oat food is reducing cholesterol, blood fat, regulation blood glucose, fat-reducing, prevention and cure of cardiovascular disease, raising immunity
The aspects such as power, defying age, loosening bowel to relieve constipation, regulating intestinal canal Bacterial community have remarkable efficacy.
Along with the further investigation to cereals nutrient health-care effect, FDA (Food and Drug Adminstration) (FDA) issued in 1997
Famous Herba bromi japonici Health Claims: eat the oat food being equivalent to 3g beta glucan every day, just can play reduction blood plasma total gallbladder
Sterin, reduces the risk of developing cardiovascular diseases.The regional multinational government administration section such as Canada, European Union, Oceania is first subsequently
Rear issue relevant Health Claims (R Roger Clemens, 2014).1997, ministry of Health of China have approved first item and has fall blood
" generation strengthens board " oatmeal health food of fat effect.The nutritional health function that Herba bromi japonici highlights has become world's common recognition, oatmeal, swallow
Wheat beverages etc. are processed food as the fashionable whole world of significant health food.
Avena sativa L. is Chinese original fabricated product, is a popular staple food food materials, steamed rice can cook congee as rice, mouth
Feel smooth, micro-glutinous and be rich in chewiness, be particularly suitable for rice, the consumption demand of medicated porridge soup class staple food, be provided simultaneously with notable health
Effect.Showing according to Second Hospital of Shanxi Medical University Zhang Wenqing professor's (2015) clinical research, the ripest of the present invention stays embryo swallow
Wheat rice GI value is 51.4, hence it is evident that less than oatmeal (osmanthus lattice oatmeal GI:83；Yang Yuexin, 2002).Shaanxi Normal University Hu Xinzhong
Professor (2012) research finds, Avena sativa L. has fat-reducing and antihyperglycemic to obesity mice.Department Of Medicine, Peking University Li Yong teaches
Team (2011) clinical research finds, Avena sativa L. has regulating and controlling blood sugar, reduces serum cholesterol, low density lipoprotein, LDL, simultaneously
Improve hdl level, control the effects such as body weight.Avena sativa L. just quickly forms consumption hot spot, the market demand once coming out
Continued.According to statistics, China is with the population ratio about more than 60% that rice is daily staple food, and medicated porridge soup person is the most extensive for eating.
In needing the crowd of adjustment diet structure and nutritional intervention, the slow disease patient made a definite diagnosis is up to more than 2.6 hundred million, and presents rapidly
Increasing and age of onset downward trend, Avena sativa L. is comparatively ideal nutritional intervention function staple food, and market potential is the hugest.
Avena sativa L. is also ten as function staple food food materials, the retention ratio of its function nutrition composition with the convenience of steaming and decocting ripening
Divide important technical specification.The epidermal area of oat grain is the significant points having concentrated Herba bromi japonici function nutrition element, is also that steaming and decocting is ripe
The main barrier of retained water conduction of heat during change, therefore becomes the key link of PROCESS FOR TREATMENT.
More ripe Avena sativa L. processing technique, is broadly divided into three classes: one be by special equipment to oat grain outside
Skin carries out broken skin process (ZL201110224974.4), to break through hydro-thermal conductive barrier；Another kind is then direct cutting Herba bromi japonici seed
The broken goods of traditional Herba bromi japonici of grain processing, endosperm directly exposes；The third technique also needs special equipment to enter oat grain exocuticle
Row dry method scraped finish (ZL 200810105455.4, ZL200610042891.2, ZL201110298011.4, ZL
201110298116.4, ZL201210397367.2), remove certain thickness cortex, improve its hydro-thermal permeability.Three kinds of techniques
Ultimate principle be all logical oat grain exocuticle to be processed, reduce hydro-thermal conduction block, shorten the curing time.
The commodity condition of Avena sativa L. is affected relatively big by front two class techniques, and substantially remains fruit outside the lignifying of oat grain
Skin, is unfavorable for digestion, and gastrointestinal function weak person is uncomfortable.The third technological requirement is harsh, and is formed with the retention of function nutrition composition
Certain contradiction: cortex scraped finish ripening the most, the easiest, but nutritive loss is the biggest, and the endosperm starch that relative amount improves also can rise
High GI value.Disclosure satisfy that condition is good, easy to digest, GI value stabilization, function nutrition composition are sufficiently reserved and cooking characteristic improves simultaneously
Technology requirement, become the key difficulties of Avena sativa L. processing technique.
Summary of the invention
The present invention is to solve many defects that existing Herba bromi japonici fabricated product exists, it is provided that a kind of the ripest of low GI stays embryo
Avena sativa L. and processing method thereof.
The present invention is achieved by the following technical solutions: the ripest of a kind of low GI stays embryo Avena sativa L., and this Avena sativa L. removes
Lignifying outer peel (hereinafter referred to as decortication), through extrusion process be thickness and width ratio (hereinafter referred to as thick wide than) is 0.30
～the slab-like particle shape of 0.55, seed ventral groove, outer rim and endosperm have been internally formed sightless crack directly perceived.
Generally, decortication process the particle shape of oat grain is affected little, its thick wide than substantially remain in 0.60～
(Fig. 2 is seen) between 1.05.Research finds: existing Avena sativa L. is thick wide more as shown in table 1 than distribution with oatmeal:
The commercially available oatmeal of table 1. and Avena sativa L. thickness width are than distribution range statistics table
Due to different from the requirement of product attribute to processing technique, naturally form at this two classes Herba bromi japonici fabricated product thickness width
The specific distribution of ratio is interval.Research find, this two series products thickness width than the blank scope between specific distribution, Herba bromi japonici seed exactly
Grain still can retain the valid interval of its particle shape rebound characteristics after suitably extruding, is also the effective sky improving Avena sativa L. ripening characteristic
Between.
Innovative point of the present invention is that the thick wide ratio of the Avena sativa L. after decortication, extrusion process is 0.30～0.55.This thickness is
Average-size in the Avena sativa L. seed direction of extrusion, this width is the widest part size on its width.Use and control at extruding
Reason, can be internally formed a certain degree of small split when keeping Herba bromi japonici seed the most lossless at its ventral groove, outer rim and endosperm
Gap, beneficially hydro-thermal conduction during steaming and decocting ripening.Simultaneously after sloughing oat grain outer peel, hence it is evident that improve the logical of its top layer
Property, beneficially hydro-thermal absorb thoroughly.Avena sativa L. through extruding reach application claims thickness width ratio after, the minimum average B configuration of its epidermis to center
Distance can shorten about 50%.The comprehensive function of three kinds of factors, the ripening characteristic that result in extruding Avena sativa L. significantly improves, effectively
Shorten the curing time, reached with rice with boiling with ripe effect.Test proves, the Avena sativa L. thickness width ratio after decocting in water gelatinizing
For the 95%～99% of the thick wide ratio of raw material seed, being rebound to essentially original particle shape state, mouthfeel is micro-glutinous and has chewiness, completely
(oatmeal well known in the art can not spring back to original particle shape state after decocting in water ripening, and in excessively to be different from oatmeal
The medicated porridge pasty state of water suction, without chewing mouthfeel)；The gelatinization time of decortication extruding Avena sativa L. is relative to the gelatinizing not extruding seed of only peeling
Time shortens more than 36%.Result of the test shows, if the thick wide ratio of extrusion process seed is less than 0.30, then in flake, it is impossible to return
Being bound to suitable particle shape, mouthfeel is loose without strength, without chewiness；If the thick wide ratio of extrusion process is more than 0.55, it is impossible to seed ventral groove,
Outer rim and endosperm are internally formed effective crack, and hydro-thermal conduction is not smooth, and the curing time is long, is extremely difficult to rice with boiling with ripe
Consumption requirement.
In order to ensure the Avena sativa L. after extrusion process apparent intact in the case of, form ventral groove, outer rim and endosperm
The internal minute fissure all existed, carries out adding wet process so that material reaches certain water content the most before extrusion, extruding
It is dried again after process and makes product.
It addition, for further description technical scheme, the invention provides a kind of the ripest of low GI and stay
The processing method of embryo Avena sativa L., comprises the steps:
A. raw material awns the most miscellaneous, de-: oat grain raw material is carried out the most miscellaneous, screen, de-awns processes；
B. wheat wetting, decortication, sieving and grading: the material after the most miscellaneous, de-awns is fast through the subacidity acetum of pH5.5～6.5
Speed wheat wetting 2～6min, removes lignified outer peel by Brush type wheat brush machine, immediately then through the big granule of screening and separating；
C. wheat, extruding are washed: through the material clear water flushing of wheat wetting, decortication, sieving and grading, remove and remain in epidermis and ventral groove
In scurf, dust, rear centrifuge dehydration, adjust material moisture reach 18%～20%；It is then fed into extruder to extrude
Processing, regulation extruder roller spacing is between 40%～60% of raw material Kernel thickness；
D. enzyme denaturing, be dried: be slab-like through the material of extrusion process, then carry out enzyme denaturing process, lower the temperature, be dried, cool down；
E. color choosing, packaging: jigged point by color through the material of enzyme denaturing, dried, remove heterochromatic grain, broken kernel and grain
Shape impurity can carry out finished product detection, packaging warehouse-in.
In the present invention, in step B, wheat wetting is processed as one of key link, makees because Herba bromi japonici is different from the grain such as Semen Tritici aestivi, Oryza sativa L.
Thing, its aleurone contains the water soluble polysaccharide compositions such as the beta glucan of up to more than 10%, and inappropriate wheat wetting may result in polysaccharide
Dissolution so that with outer peel bonding and increase decortication difficulty.The present invention combines acid medium and makees the suppression of polysaccharide swellbility
By swelling difference Herba bromi japonici lignifying outer peel formed with aleurone with short time wheat wetting, it is proposed that at the quick wheat wetting of subacidity
Science and engineering skill, has reached the effect using the flexible friction of hairbrush can divest oat grain outer peel smoothly, simultaneously can be complete
Retain aleurone, embryo etc. and be enriched the significant points of oat grain function nutrition.
In step C, carrying out extrusion process is to cause minute fissure inside seed ventral groove, outer rim and endosperm, is formed
Promoting the passage of hydro-thermal conduction, to improve the ripening performance of product, and the apparent palpus of its finished product keeps the most smooth, without the most visible
Breach equivalent damage.Control the slab-like Avena sativa L. that extruding formed absorb water in ripening digestion process resilience, answer in several minutes
Originally it was the particle shape of raw material, and kept its mouthfeel, be suitable to staple food application.Test finds, it is thick that extruder roller is smaller than raw material seed
Degree 35% time, be oatmeal (being substantially distinguished from the slab-like Avena sativa L. of the present invention) after processing, the ripest after immersion heating
Change, but not there is the resilience of particle shape；When the 35% of roller spacing >=Kernel thickness, after processing under suitable material moisture
Avena sativa L. goods, can have certain particle shape resilience, but suitable particle shape can not be sprung back to, mouthfeel is loose, without chewiness；
When roller spacing is between 40%～60% of raw material Kernel thickness, and under suitable moisture condition (water content reach 18%～
20%), these slab-like Avena sativa L. goods can have good water absorption and particle shape resilience.Its curing time is short and is steaming
Springing back to approximate the particle shape of raw material in boiling several minutes, mouthfeel is micro-glutinous and has chewiness, is totally different from oatmeal, it is adaptable to
Processed and applied in the varieties of food items such as rice, medicated porridge soup, meat ball, meat pie, meat stuffing.
When being embodied as, being more suitable for using superheated vapour enzyme inactivating method to process, controlling temperature is 200 DEG C of left sides
Right, process 2～4min.
The present invention has the advantages that relative to prior art
1, after suitable wheat wetting, oat grain lignifying outer peel and the aleurone rich in albumen, fat and beta glucan
Demonstrate different swelling characters, and then form certain stress difference, use Brush type wheat brush machine can realize selectivity and divide
From decortication, replace existing grinding wheel type dry method and scrape grinding process, it is to avoid to oat germ and the damage of aleurone.Divide after testing
Analysis, uses the Avena sativa L. gelatinization time (t that this processing method is processed90) reduce to 13.0min from 20.4min before treatment, shorten
36.3%, reach with rice with boiling with ripe fast ripe requirement.Albumen, fat, crude fibre and beta glucan content in product
It is respectively 19.1%, 8.64%, 4.90% and 4.51%, compared with raw material, its retention rate respectively reaches 97.3%,
98.5%, 67.8% and 93.5%.Scrape grinding process than dry method and be respectively increased 27.9%, 21.5%, 42.0%, 24.7%, also
It is suppression overprocessing, the material base of holding GI value stabilization；Embryo Avena sativa L. GI value≤52 are stayed through test the ripest of the present invention.
2, using general wheat brush machine to replace special mill, equipment investment is greatly lowered, and easy and simple to handle, cost fall
Low.The processing byproduct of this processing method is mainly the awn of wheat, lignifying outer peel, the and <broken kernel of 0.5%.Oat germ
From the intense impact of dry method scraped finish, rate of kernels with remained germ can reach 100%.Plumule is the core breeding oat grain new life, is also
The position that its nutritional activities is concentrated most, improves rate of kernels with remained germ particularly significant to the nutritional quality of Avena sativa L., new technology tool clear superiority.
According to contrast, the resource utilization of the technology and yield rate have all reached the best level of current Avena sativa L. processing.
3, owing to extruding the improvement of Avena sativa L. hydro-thermal conducting effect, its enzyme denaturing effect also it is effectively increased.Use 200 DEG C of mistakes
During hot water and steam, it is complete that 2-3min gets final product enzyme denaturing, is significantly better than traditional handicraft.
4, the present invention uses wheat wetting extrusion process, make use of the limited plasticity of wet stock, in the limit that its rigidity extrudes
Control extruding within value, both can reach the effect suitably changing the original physical arrangement of material, slab-like Avena sativa L. can be made again to steam
Substantially revert to the natural particle shape of oat grain before boiling, maintain it smooth, micro-glutinous and be rich in the significant mouth of chewiness
Sense, suitably cooks rice or medicated porridge soup class and meat ball, meat pie, meat stuffing based food, with the cooking methods of oatmeal and mouthfeel the most not
With.
5, the present invention uses control extrusion process to process Avena sativa L., and endosperm is close to the preferable aleurone of light transmission, product in
Existing natural wheat white, condition is pleasant.
Accompanying drawing explanation
Fig. 1 is the top and bottom schematic diagram of Avena sativa L. seed of the present invention.In figure, left and right directions is the width of seed,
Above-below direction is the length direction of seed, and inward-outward direction is the thickness direction of seed.
Fig. 2 is the oat grain comparison diagram before and after removing lignifying outer peel, extruding.In figure, left is without extruding Herba bromi japonici
Rice, right is Avena sativa L. after extruding.As can be seen from Figure, the Avena sativa L. after extrusion process is rendered as outside certain thickness lamellar
See.
Fig. 3 is Avena sativa L. of the present invention and commercially available oatmeal goods comparison diagram.In figure, left is Avena sativa L. of the present invention, right
Side is commercially available oatmeal.As can be seen from Figure, Avena sativa L. of the present invention is apparent intact, has suitable thickness, hence it is evident that difference
In existing oatmeal.
Fig. 4 is the Avena sativa L. of the present invention top and bottom schematic diagram after iodine-starch dyes.In figure on seed black-and-blue or
Pewter is the color of typical iodine-starch blueness reaction.As can be seen from Figure, Avena sativa L. ventral groove of the present invention, outer rim and embryo
Breast is internal exists sightless minute fissure directly perceived, and Iod R liquid can be made to penetrate into, and Avena sativa L. is internal and starch meets and reacts change
Color.
Fig. 5 is that the seed before and after removing lignifying outer peel, extruding is through the decocting in water comparison diagram of 10 minutes.In figure, left is not
Extruding Avena sativa L., right is Avena sativa L. after extruding.As can be seen from Figure, extruding Avena sativa L. has absorbed a large amount of hydro-thermal and gelatinizing expands；
Do not extrude Avena sativa L. the most fully to absorb water gelatinizing, substantially hold its shape, interior hard outer the softest.
Fig. 6 is the 30 minutes schematic diagrams of Avena sativa L. water logging after processing method of the present invention processes.Permissible by figure
Finding out, the plumule of Avena sativa L. of the present invention is intact with epidermis.Illustrate that present invention decortication, extrusion process process Herba bromi japonici embryo
With aleurone substantially without impact.
Fig. 7 is that Avena sativa L. thickness width is than the correlation analysis curve with pasting curve.
Fig. 8 is that the Avena sativa L. after embodiment two processes enters particle shape situation of change curve during boiling water boiling.
Fig. 9 is the Avena sativa L. 2 hours blood glucose response curve schematic diagram after the meal after embodiment one processes.
Detailed description of the invention
Embodiment one:
The ripest processing method staying embryo Avena sativa L. of a kind of low GI, comprises the steps:
A. raw material awns the most miscellaneous, de-: weigh the oat grain raw material after the clear miscellaneous screening of 50kg, enter wheat brush machine and take off awns；
B. wheat wetting, decortication, sieving and grading: the material after the most miscellaneous, de-awns is through the quick wheat wetting of subacidity acetum of pH5.5
2min, removes lignified outer peel by Brush type wheat brush machine, immediately then through the big granule of screening and separating；
C. wash wheat, extruding: enter water through wheat wetting, decortication, the material of sieving and grading and rinse 2min, rear centrifuge dehydration, add a cover and put
Put 60min (regulation material moisture reaches 18%～20%, and penetrates into the internal enough degree of depth of material), after transepidermal water absorbs
Feeding twin rollers extrudes, and controlling roller spacing is 1.00mm (being equivalent to the 41% of raw material average thickness)；
D. enzyme denaturing, be dried: be slab-like through the material of extrusion process, then process 3min through 200 DEG C of superheated vapour enzyme denaturing,
It is cooled to 80 DEG C be dried 2 hours, is cooled to room temperature；
E. color choosing, packaging: jigged point by color through the material of enzyme denaturing, dried, remove heterochromatic grain, broken kernel and grain
Shape impurity can carry out finished product detection, packaging warehouse-in.
Embodiment two:
The ripest processing method staying embryo Avena sativa L. of a kind of low GI, comprises the steps:
A. raw material awns the most miscellaneous, de-: weigh the oat grain raw material after the clear miscellaneous screening of 50kg, enter wheat brush machine and take off awns；
B. wheat wetting, decortication, sieving and grading: the material after the most miscellaneous, de-awns is through the quick wheat wetting of subacidity acetum of pH6.5
6min, removes lignified outer peel by Brush type wheat brush machine, immediately then through the big granule of screening and separating；
C. wash wheat, extruding: enter water through wheat wetting, decortication, the material of sieving and grading and rinse 3min, rear centrifuge dehydration, add a cover and put
Put 90min (regulation material moisture reaches 18%～20%, and penetrates into the internal enough degree of depth of material), after transepidermal water absorbs
Feeding twin rollers extrudes, and controlling roller spacing is 1.15mm (being equivalent to the 48% of raw material average thickness)；
D. enzyme denaturing, be dried: be slab-like through the material of extrusion process, then process 3min through 200 DEG C of superheated vapour enzyme denaturing,
It is cooled to 80 DEG C be dried 2 hours, is cooled to room temperature；
E. color choosing, packaging: jigged point by color through the material of enzyme denaturing, dried, remove heterochromatic grain, broken kernel and grain
Shape impurity can carry out finished product detection, packaging warehouse-in.
Embodiment three: thick wide ratio and gelatinization time relation research
Each 30 of Avena sativa L. after Example one and embodiment two process, measures its thickness and width, respectively with reference to GB/
T 25226-2010 measures t90(gelatinization time), result of the test is shown in Table 2.Wherein the thick wide ratio of the Avena sativa L. of embodiment one is 0.375,
t90For 13.0min；The thick wide ratio of the Avena sativa L. of embodiment two is 0.502, t90For 14.3min；Decortication does not extrudes the thick wide of Avena sativa L.
Ratio is 0.740, t90For 20.4min, the most notable with embodiment one and two difference.
The flakiness ratio of the different sample of table 2. and curing time (t90) relation
It addition, the thick width to above-mentioned three kinds of Avena sativa L. compares, t90Doing correlation statistics to process, result sees Fig. 1.Result
Display, in clear-cut correlation (R2=0.9638) between the two, i.e. thick wide ratio the least person gelatinization time is the shortest.
Embodiment four: plumule retention rate measures
Each 100 of Avena sativa L. after Example one and embodiment two process, room temperature is soaked 1 hour, is treated that it fully absorbs water
After swelling, through its plumule retention rate of visual observations, the plumule retention rate of two portions of Avena sativa L. all reaches 100%.Illustrate that the present invention takes off
Skin extrusion process is relatively low to the impulsive force of Herba bromi japonici embryo, and advantage is fairly obvious.
Embodiment five: boiling resilience measures
The Avena sativa L. that Example two processes is appropriate, enters boiling in boiling water and observes particle shape situation of change.Between front 2 samplings
It is divided into 0.5min, later every 1min sampling and measuring thickness width ratio.Result is as shown in table 3, (0.740) compareed with raw material before process
Compare, be rebound to essentially original particle shape state.
The table 3 different decocting in water time affects result of the test to oatmeal particle shape
| Time, min | 0.0 | 0.5 | 1.0 | 2.0 | 3.0 | 4.0 | 5.0 | 6.0 |
| Thick/wide | 0.375 | 0.419 | 0.451 | 0.496 | 0.544 | 0.583 | 0.616 | 0.645 |
| Time, min | 7.0 | 8.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Thick/wide | 0.667 | 0.688 | 0.710 | 0.704 | 0.724 | 0.720 | 0.712 | 0.726 |
Embodiment six: GI measures
Avena sativa L. after Example one processes carries out Main Nutrient Quality measurement result as shown in table 4 (in terms of butt):
Table 4 new technology processing Avena sativa L. main nutrient composition measurement result
According to the food GI value assessment method requirement of the current international practice, with Herba bromi japonici rice as test food, entrust Shanxi doctor
Clinical nutrition expert team of university of section carries out this test and appraisal test, is summarized as follows:
6-1, given the test agent amount are tested and assessed test requirements document according to GI, calculate the tested Avena sativa L. of every person-portion and are equivalent to containing 50g
The quality of carbohydrate is 78.30g.
6-2, the volunteer that participates in evaluation and electing levy the medical university students 10 (man, each 5 of schoolgirl) selecting medical fitness, before test
Signature Informed Consent Form.
6-3, oral glucose tolerance test (OGTT): test early morning on the same day, measure volunteer (more than fasting 10h) on an empty stomach
Blood glucose value, the pure glucose powder of 50g of taking after mixing it with water immediately, and in 15,30,45,60,90,120min measure blood glucose value respectively.
6-4, Avena sativa L. blood glucose response are tested: in early morning next day of OGTT test, ditto measure fasting blood sugar, then according to meter
The unified Herba bromi japonici rice provided of every person-portion quality feed calculated, in 15,30,45,60,90,120min survey blood glucose value respectively.
Table 5. Avena sativa L. of the present invention 2 hours blood glucose response value statistical table (mmol/L) after the meal
| Sample min | 0 | 15 | 30 | 45 | 60 | 90 | 120 |
| Glucose powder | 5.13 | 7.51 | 9.15 | 8.52 | 7.78 | 6.84 | 5.43 |
| Avena sativa L. | 4.99 | 5.99 | 6.87 | 6.62 | 6.34 | 5.82 | 5.59 |
6-5, GI value calculates: using the Wolever method of the current international practice, with the time as abscissa, each time point blood glucose value is vertical
Coordinate, makes volunteer's postprandial blood sugar responsion curve (see Fig. 3), calculates the area (AUG) under response curve.Each group test number
According to, all with glucose powder as object of reference (GI=100), calculating tested Avena sativa L. GI value is 51.4.
Embodiment seven:
The ripest processing method staying embryo Avena sativa L. of a kind of low GI, comprises the steps:
A. raw material awns the most miscellaneous, de-: weigh the oat grain raw material after the clear miscellaneous screening of 50kg, enter wheat brush machine and take off awns；
B. wheat wetting, decortication, sieving and grading: the material after the most miscellaneous, de-awns is through the quick wheat wetting of subacidity acetum of pH5.7
4min, removes lignified outer peel by Brush type wheat brush machine, immediately then through the big granule of screening and separating；
C. wash wheat, extruding: enter water through wheat wetting, decortication, the material of sieving and grading and rinse 4min, rear centrifuge dehydration, add a cover and put
Put 60min (regulation material moisture reaches 18%～20%, and penetrates into the internal enough degree of depth of material), after transepidermal water absorbs
Feeding twin rollers extrudes, and controlling roller spacing is 0.96mm (being equivalent to the 40% of raw material average thickness)；
D. enzyme denaturing, be dried: be slab-like through the material of extrusion process, then process 2min through 200 DEG C of superheated vapour enzyme denaturing,
It is cooled to 80 DEG C be dried 2 hours, is cooled to room temperature；
E. color choosing, packaging: jigged point by color through the material of enzyme denaturing, dried, remove heterochromatic grain, broken kernel and grain
Shape impurity can carry out finished product detection, packaging warehouse-in.Thick wide than average out to 0.35 through measuring its Avena sativa L..
Embodiment eight:
The ripest processing method staying embryo Avena sativa L. of a kind of low GI, comprises the steps:
A. raw material awns the most miscellaneous, de-: weigh the oat grain raw material after the clear miscellaneous screening of 50kg, enter wheat brush machine and take off awns；
B. wheat wetting, decortication, sieving and grading: the material after the most miscellaneous, de-awns is through the quick wheat wetting of subacidity acetum of pH6.0
5min, removes lignified outer peel by Brush type wheat brush machine, immediately then through the big granule of screening and separating；
C. wash wheat, extruding: enter water through wheat wetting, decortication, the material of sieving and grading and rinse 5min, rear centrifuge dehydration, add a cover and put
Put 90min (regulation material moisture reaches 18%～20%, and penetrates into the internal enough degree of depth of material), after transepidermal water absorbs
Feeding twin rollers extrudes, and controlling roller spacing is 1.44mm (being equivalent to the 60% of raw material average thickness)；
D. enzyme denaturing, be dried: be slab-like through the material of extrusion process, then process 4min through 200 DEG C of superheated vapour enzyme denaturing,
It is cooled to 80 DEG C be dried 2 hours, is cooled to room temperature；
E. color choosing, packaging: jigged point by color through the material of enzyme denaturing, dried, remove heterochromatic grain, broken kernel and grain
Shape impurity can carry out finished product detection, packaging warehouse-in.It is 0.55 through measuring the thick wide average specific of its Avena sativa L..
Claims (3)
1. the ripest of a low GI stays embryo Avena sativa L., it is characterised in that this Avena sativa L. is stripped of lignifying outer peel, at extruding
Reason is the slab-like particle shape that thickness and width ratio are 0.30～0.55, and seed ventral groove, outer rim and endosperm have been internally formed intuitively
Sightless crack.
2. the ripest processing method staying embryo Avena sativa L. of a kind of low GI described in claim 1, it is characterised in that include walking as follows
Rapid:
A. raw material awns the most miscellaneous, de-: oat grain raw material is carried out the most miscellaneous, screen, de-awns processes；
B. wheat wetting, decortication, sieving and grading: the material after the most miscellaneous, de-awns quickly moistens through the subacidity acetum of pH5.5～6.5
Wheat 2～6min, removes lignified outer peel by Brush type wheat brush machine, immediately then through the big granule of screening and separating；
C. wheat, extruding are washed: through the material clear water flushing of wheat wetting, decortication, sieving and grading, remove and remain in epidermis and ventral groove
Scurf, dust, rear centrifuge dehydration, adjust material moisture and reach 18%～20%；It is then fed into extruder and carries out extrusion process, adjust
Joint extruder roller spacing is between 40%～60% of raw material Kernel thickness；
D. enzyme denaturing, be dried: be slab-like through the material of extrusion process, then carry out enzyme denaturing process, lower the temperature, be dried, cool down；
E. color choosing, packaging: jigged point by color through the material of enzyme denaturing, dried, remove heterochromatic grain, broken kernel and granular miscellaneous
Matter can carry out finished product detection, packaging warehouse-in.
The ripest processing method staying embryo Avena sativa L. of a kind of low GI the most according to claim 2, it is characterised in that described in go out
Ferment treatment uses superheated vapour enzyme inactivating method, and temperature is 200 DEG C, processes 2～4min.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108029968A (en) * | 2017-11-29 | 2018-05-15 | 江苏大学 | A kind of multipurpose is micro- to roll oat kernel and its production method |
| CN109077239A (en) * | 2018-07-13 | 2018-12-25 | 金维他(福建)食品有限公司 | A kind of preparation method of full plumule naked oats grain |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108029968A (en) * | 2017-11-29 | 2018-05-15 | 江苏大学 | A kind of multipurpose is micro- to roll oat kernel and its production method |
| CN109077239A (en) * | 2018-07-13 | 2018-12-25 | 金维他(福建)食品有限公司 | A kind of preparation method of full plumule naked oats grain |
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