CN107602942B - Composition and the preparation method and application thereof containing modified starch - Google Patents
Composition and the preparation method and application thereof containing modified starch Download PDFInfo
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- CN107602942B CN107602942B CN201710813457.8A CN201710813457A CN107602942B CN 107602942 B CN107602942 B CN 107602942B CN 201710813457 A CN201710813457 A CN 201710813457A CN 107602942 B CN107602942 B CN 107602942B
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Abstract
The present invention relates to starch processing technique fields, in particular to a kind of composition and the preparation method and application thereof containing modified starch.The composition is compounded to obtain by modified starch with hydrophilic colloid；The modified starch is handled to obtain by starch on dry basis through high-speed jet.After modified starch produced by the present invention is compounded with hydrophilic colloid, starch and colloid compound system show more uniform, compact structure.Modified starch-hydrocolloid systems have better thickening property, and compound system shows more superior viscoelasticity.Modified starch and hydrophilic colloid have preferable compounding effect, and the thickening and stablizing effect than hydrophilic colloid is used alone are more preferable.
Description
Technical field
The present invention relates to starch processing technique field, in particular to a kind of composition containing modified starch and its
Preparation method and application.
Background technique
The polymer carbohydrate that starch (starch) is made of a large amount of glucose units by glucosides key connection belongs to
In one kind of polysaccharose substance.Manufacture starch is a kind of mode of green plants storing energy.Starch be also in human diet most
Common carbohydrate, is widely present in potato, wheat, corn, rice, in the staple foods such as cassava.
Pure starch is a kind of white, and tasteless, odorless powder does not dissolve in cold water or alcohol, and molecular formula is (C6H10O5)n.It forms sediment
Powder is curled into helical structure because of intramolecular hydrogen bond, can be divided into amylose (amylose) and amylopectin (amylopectin).The former
For branchiess helical structure；The latter is joined end to end with 24~30 glucose residues with α-Isosorbide-5-Nitrae-glycosidic bond, in branch
Place is α -1,6- glycosidic bond.Amylose chance iodine is blue, and it is in aubergine that amylopectin, which meets iodine,.This is because starch spiral center
Hole be able to hold iodine molecule, and by Van der Waals force, the two forms a kind of black-and-blue misfit object.
Starch is processed in the food industry to generate a variety of sugar.Starch dissolves in warm water generates dextrin, this can be used
Make thickener, hardening is then used as bonding agent.Starch is in the paper making process as bonding in the widest purposes of non-food industries
Agent.Starch is also one of widest natural resources in source simultaneously.However, native starch is carried out in the food industry using often
It can often generate some limitations, such as close structure, reactivity is low etc..
Hydrophilic colloid is also known as foodstuff glue, typically refers to that water can be dissolved in, and under certain condition abundantization water formed it is sticky,
Satiny or jelly solution macromolecular substances, are protein and natural polysaccharide and its derivative mostly, are distributed widely in nature.
Starch and the hydrophilic colloid functional high-polymer important as two classes in food system, are usually jointly used in food body
System.However, the research that the starch after physical modification is compounded with colloid at present is less, and effect have it is to be strengthened.
High-speed jet technology (high speed jet, HSJ) is to be incited somebody to action using water as medium by the boosting capability of hydraulic device
Aqueous medium is pressurized to certain pressure intensity, is then ejected by nozzle, forms high speed, the high energy, high penetrating power of one super-pressure
Water beam, in clasmatosis, the fields such as emulsification, the refinement of emulsion particle are widely applied, and providing one kind for starch physical modification can
Energy.The action principle of high-speed jet is different from the mode that liquid-liquid is impacted, and principle is based on liquid-solid impulsive model.However it is high at present
The repercussion study of rapid fire stream modified starch and colloid has not been reported.
In view of this, the present invention is specifically proposed.
Summary of the invention
The purpose of the present invention is to provide a kind of compositions containing modified starch, to solve the above problems.
In order to realize above-mentioned purpose of the invention, the following technical scheme is adopted:
The present invention relates to a kind of composition containing modified starch, the composition is compounded by modified starch with hydrophilic colloid
It obtains；
The modified starch is handled to obtain by starch on dry basis through high-speed jet.
By the present invention in that the modified starch made from high-speed jet technology has better stability.
Hydrophilic colloid (hydrocollicod) refers to can be soluble in water, and abundant aquation under certain condition, is formed glutinous
The macromolecular substances of thick, satiny or gelatin liquid, chemical component are natural polysaccharide and protein mostly, are distributed widely in nature
Boundary.Hydrophilic colloid is common auxiliary material in food-processing industry, has good thickening effect, but its higher cost.
After modified starch produced by the present invention is compounded with hydrophilic colloid, starch and colloid compound system show more
One, compact structure.Modified starch-hydrocolloid systems have better thickening property, and compound system shows more superior glutinous
Elasticity.It is of the invention research shows that modified starch-hydrophilic colloid compound is substituted single hydrophilic colloid, compound is replacing
Do not change the original flavor of food, organoleptic attribute while for colloid, and also reduces production cost.Still further, it was discovered that close
Hydrocolloid and some modified starch complex effects are more preferable compared with ative starch.
According to an aspect of the present invention, the invention further relates to the preparation sides of the composition as described above containing modified starch
Method is drying to obtain after the modified starch is mixed gelatinization with hydrophilic colloid in water.
The invention further relates to the compositions as described above containing modified starch as pharmaceutical carrier, immunoassay reaction
Application in middle marker carrier, papermaking coating raw material or auxiliary material and food processing auxiliary material.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the Electronic Speculum result of the starch sample under different pressures by high-speed jet processing；
Fig. 2 is the infrared analysis result of the starch sample under different pressures by high-speed jet processing；
Fig. 3 is the crystallinity analysis result of the starch sample under different pressures by high-speed jet processing；
Fig. 4 is the steady state shearing viscosity result after modified starch obtained is compounded with hydrophilic colloid under 0MPa；
Fig. 5 is the steady state shearing viscosity result after modified starch obtained is compounded with hydrophilic colloid under 140MPa；
Fig. 6 is the steady state shearing viscosity result after modified starch obtained is compounded with hydrophilic colloid under 220MPa；
Fig. 7 is the steady state shearing shear stress result after modified starch obtained is compounded with hydrophilic colloid under 0MPa；
Fig. 8 is the steady state shearing shear stress result after modified starch obtained is compounded with hydrophilic colloid under 140MPa；
Fig. 9 is the steady state shearing shear stress result after modified starch obtained is compounded with hydrophilic colloid under 220MPa.
Specific embodiment
The present invention relates to a kind of composition containing modified starch, the composition is compounded by modified starch with hydrophilic colloid
It obtains；
The modified starch is handled to obtain by starch on dry basis through high-speed jet.
High-speed jet technology is widely applied in clasmatosis, the fields such as emulsification, the refinement of emulsion particle, by the present invention in that
The modified starch made from high-speed jet technology has better stability.
Hydrophilic colloid (hydrocollicod) refers to can be soluble in water, and abundant aquation under certain condition, is formed glutinous
The macromolecular substances of thick, satiny or gelatin liquid, chemical component are natural polysaccharide and protein mostly, are distributed widely in nature
Boundary.Hydrophilic colloid is common auxiliary material in food-processing industry, although it is with good thickening effect, its higher cost.
After modified starch produced by the present invention is compounded with hydrophilic colloid, starch and colloid compound system show more
One, compact structure.Modified starch-hydrocolloid systems have better thickening property, and compound system shows more superior glutinous
Elasticity.It is of the invention research shows that modified starch-hydrophilic colloid compound is substituted single hydrophilic colloid, compound is replacing
Do not change the original flavor of food, organoleptic attribute while for colloid, and also reduces production cost.Still further, it was discovered that close
Hydrocolloid and some modified starch complex effects are more preferable compared with ative starch.
Preferably, as described above containing the composition of modified starch, the hydrophilic colloid includes xanthan gum, κ-OK a karaoke club
One of glue, konjac glucomannan and melon bean gum are a variety of；It is furthermore preferred that the hydrophilic colloid is melon bean gum.
Preferably, as described above containing the composition of modified starch, the matter of the modified starch and the hydrophilic colloid
Amount is than being (0.01~0.03): (0.07~0.09)；
More preferably (0.015~0.025): (0.075~0.085)；
More preferably 0.02:0.08.
Preferably, as described above containing the composition of modified starch, after starch on dry basis plus water are configured to starch emulsion
High-speed jet processing is carried out again；
Preferably, as described above containing the composition of modified starch, the concentration of the starch emulsion is 4w/w%~6w/
W%；More preferably 5w/w%.
Preferably, the pressure >=140MPa handled as described above containing the composition of modified starch, the high-speed jet,
Preferably 140MPa~600MPa；Or 150MPa~500MPa or 160MPa~400MPa or 170MPa~300MPa, it is more excellent
It is selected as 180MPa~220MPa., also can choose 200MPa.
Preferably, sample is kept during the high-speed jet processing containing the composition of modified starch as described above
Product temperature degree is within 30 DEG C；Preferably 4 DEG C~30 DEG C, more preferably 10 DEG C~20 DEG C, it is also an option that 15 DEG C.
It is furthermore preferred that number of processes is 1~3 time or 2 times.
Preferably, as described above containing the composition of modified starch, the starch on dry basis is tapioca, sweet potato shallow lake
One of powder, rice starch or cornstarch are a variety of；
More preferably tapioca.
Preferably, as described above containing the composition of modified starch, starch on dry basis purity >=99%, water content≤
20w/w%；
It is furthermore preferred that starch on dry basis purity >=99.7%, water content≤14.8w/w%.
According to an aspect of the present invention, the invention further relates to the preparation sides of the composition as described above containing modified starch
Method is drying to obtain after the modified starch is mixed gelatinization with hydrophilic colloid in water.
The invention further relates to the compositions as described above containing modified starch as the application in food processing auxiliary material.
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
Embodiment
First part: high-speed jet modified tapioca starch property section:
Experimental method: starch dissolution is made into 5% lotion in distilled water, mixes, at various pressures (0,60,100,
140,180,220MPa processing 2 times) it is handled by high-speed jet, condensed water recycles always in treatment process, keeps sample temperature
At 30 DEG C hereinafter, starch reaches high effect by nozzle ejection, achieve the effect that with inner wall collision broken.Starch processing is completed
After carry out freeze-drying 48h.Tapioca (Thailand inlet and outlet, Bangkok) buy from a food factory of Thailand, purity with
Its water content is respectively 99.70% and 14.80% (w/w).All chemicals used are that analysis is pure.
The Electronic Speculum result of the starch sample by high-speed jet processing is as shown in Figure 1 at various pressures.By high rapid fire
The surface texture for flowing the starch granules that different pressures handle 2 times destroys serious, starch generation partial gelatinization.
The infrared analysis result of the starch sample by high-speed jet processing is as shown in Figure 2 at various pressures.3200-
3550cm-1What is represented is hydrogen bond peak, from figure 2 it can be seen that with the increase of processing pressure, this part peak broadens, and past high
Wave number direction is mobile, show that starch hydroxyl activity is reinforced, and is conducive to compound with colloid.995cm-1Locate absorption peak be hydrone with
The absorption peak of starch molecule interaction, with pressure increase, the intensity of absorption peak increases, and may be attributed to high-speed jet processing
So that the destruction of starch molecular structure, it is easier to be contacted with hydrone.
The crystallinity analysis result of the starch sample by high-speed jet processing is as shown in Figure 3 at various pressures.X- spreads out
Situations such as penetrating the size, amorphization degree and distortion of lattice of the intensity at peak and the reacting condition of half-peak breadth grain crystalline degree,
And according to X- diffracting spectrum, starch can be divided into A, B, C three types, A type starch is probably 15 °, 17 °, 18 °, 23 ° in 2 θ values
There are strong absworption peak, predominantly cereal starch.There is strong absworption peak when 2 θ values are 5.6 °, 17 °, 22 °, 24 ° in Type B starch；Wherein C
Type is the combination of A type and Type B.From figure 3, it can be seen that natural tapioca is at 15.20 °, 17.06 °, 18.10 °, 23.47 °
There is strong absworption peak, shows that its crystal type is A type；With the increase of high-speed jet processing pressure, crystal type there is no
Change.But as the increase of processing pressure, the intensity of absorption peak gradually decrease, this shows the reduction of crystalline structure of starch, leads
Cause the reduction of crystallinity.In addition when processing pressure is more than 180MPa, starch structure destroys obvious.This shows that starch granules crystallizes
Structure is under the processing of elevated pressures, it is easier to be destroyed.
Second part: high-speed jet modified tapioca starch is compounded with melon bean gum
Modified starch (0,60,140,220MPa processing 2 times, treatment conditions are the same twice) and hydrophilic colloid (guar gum)
Compounding.(modified starch: hydrophilic colloid=0.1:0,0.08:0.02,0.06:0.04,0.04:0.06,0.02:0.08,0:0.1)
Optimal proportion (optimum pressure, optimum quality ratio) is filtered out by rheological experiment.
Guar gum food-grade Shandong You Suo Chemical Industry Science Co., Ltd
The preparation of compound system: the sample that different quality matches is placed in a beaker, and 10mL distilled water is added, and mixing is equal
It is even, it is put into boiling water and is gelatinized, form gelatinized corn starch.Then freeze-drying 48h is carried out, it is spare.
The effect of compound system:
Shear rheology analysis:
Different quality is taken to match modified starch-hydrophilic colloid compound system (gross mass 0.1g) under different disposal pressure,
Add 2mL distilled water, vortex 3min is mixed, in 25 DEG C of balance 30s, then surveyed in 0.1-300s-1 and 300-0.1s-1
Examination collects data, and analyzes fitting data with different equations (exponential model, Herschel-Bulkley equation etc.).
Wherein, the steady state shearing viscosity result point after modified starch obtained is compounded with hydrophilic colloid under 0,140,220MPa
Not as shown in figures 4-6, it can be seen that proportion is maximum for 0.08:0.02 (colloid: modified starch) viscosity, and effect and 0.1:
0 (colloid: modified starch) effect is suitable.
Steady state shearing shear stress result point after modified starch obtained is compounded with hydrophilic colloid under 0,140,220MPa
Not as shown in figs. 7-9, it can be seen that proportion is that 0.08:0.02 (colloid: modified starch) shear stress is maximum, and effect with
0.1:0 (colloid: modified starch) effect is suitable.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, but those skilled in the art should understand that: its
It is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, various embodiments of the present invention skill that it does not separate the essence of the corresponding technical solution
The range of art scheme.
Claims (13)
1. a kind of composition containing modified starch, which is characterized in that the composition is compounded by modified starch with hydrophilic colloid
It obtains；
The modified starch is handled to obtain by starch on dry basis through high-speed jet；
The mass ratio of the modified starch and the hydrophilic colloid is 0.01~0.03:0.07~0.09；
The hydrophilic colloid is melon bean gum；
Pressure >=140MPa of the high-speed jet processing.
2. the composition according to claim 1 containing modified starch, which is characterized in that the modified starch and the parent
The mass ratio of hydrocolloid is 0.015~0.025:0.075~0.085.
3. the composition according to claim 2 containing modified starch, which is characterized in that the modified starch and the parent
The mass ratio of hydrocolloid is 0.02:0.08.
4. the composition according to claim 1 containing modified starch, which is characterized in that starch on dry basis plus water to be configured to
High-speed jet processing is carried out after starch emulsion again.
5. the composition according to claim 4 containing modified starch, which is characterized in that the concentration of the starch emulsion is
4w/w%~6w/w%.
6. the composition according to claim 1 containing modified starch, which is characterized in that the pressure of the high-speed jet processing
Power is 140MPa~600MPa.
7. the composition according to claim 6 containing modified starch, which is characterized in that the pressure of the high-speed jet processing
Power is 180MPa~220MPa.
8. described in any item compositions containing modified starch according to claim 1~7, which is characterized in that the high rapid fire
Keep sample temperature within 30 DEG C during stream process.
9. the composition according to claim 8 containing modified starch, which is characterized in that the place of the high-speed jet processing
Managing number is 1~3 time.
10. the composition according to claim 1 containing modified starch, which is characterized in that the starch on dry basis is cassava
One of starch, starch from sweet potato, rice starch or cornstarch are a variety of.
11. the composition according to claim 1 containing modified starch, which is characterized in that the starch on dry basis purity >=
99%, water content≤20w/w%.
12. the preparation method of the described in any item compositions containing modified starch of claim 1~11, which is characterized in that will
The modified starch is drying to obtain after mixing gelatinization in water with hydrophilic colloid.
13. the described in any item compositions containing modified starch of claim 1~11 are as answering in food processing auxiliary material
With.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU679740B2 (en) * | 1992-12-17 | 1997-07-10 | United States Of America, As Represented By The Secretary Of Agriculture, The | Starch-natural gum composite compositions as thickening and suspending agents |
| CA2252314A1 (en) * | 1997-10-31 | 1999-04-30 | Emily Keller Blue | Use of an enzymatically converted starch derivative as an encapsulating agent |
| CN102388989A (en) * | 2011-09-23 | 2012-03-28 | 哈尔滨工业大学 | Method for preparing starch powdered oil and fat by ultrahigh pressure micro-jet method |
| CN105962317A (en) * | 2016-05-12 | 2016-09-28 | 合肥师范学院 | Starch-hydrophilic colloid compound system and preparation method and application thereof |
-
2017
- 2017-09-11 CN CN201710813457.8A patent/CN107602942B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU679740B2 (en) * | 1992-12-17 | 1997-07-10 | United States Of America, As Represented By The Secretary Of Agriculture, The | Starch-natural gum composite compositions as thickening and suspending agents |
| CA2252314A1 (en) * | 1997-10-31 | 1999-04-30 | Emily Keller Blue | Use of an enzymatically converted starch derivative as an encapsulating agent |
| CN102388989A (en) * | 2011-09-23 | 2012-03-28 | 哈尔滨工业大学 | Method for preparing starch powdered oil and fat by ultrahigh pressure micro-jet method |
| CN105962317A (en) * | 2016-05-12 | 2016-09-28 | 合肥师范学院 | Starch-hydrophilic colloid compound system and preparation method and application thereof |
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