CN105254772A - Production method for buckwheat starch - Google Patents
Production method for buckwheat starch Download PDFInfo
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- CN105254772A CN105254772A CN201510781548.9A CN201510781548A CN105254772A CN 105254772 A CN105254772 A CN 105254772A CN 201510781548 A CN201510781548 A CN 201510781548A CN 105254772 A CN105254772 A CN 105254772A
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Abstract
The invention discloses a production method for buckwheat starch. According to the production method, the problem that in the buckwheat starch production process, protein and the starch cannot be effectively separated is solved, and the buckwheat protein is retained while the starch quality is guaranteed; in addition, the production method is easy to operate, stable, low in worker labor intensity, lower in production cost and suitable for industrial scale production; basic physical and chemical indicators of the buckwheat starch obtained through the method reach or even exceed those of first-class edible starch.
Description
Technical field
The present invention relates to the production method of starch, be specifically related to a kind of production method of buckwheat starch.
Background technology
Buckwheat has another name called black wheat, Hua Mai, triangle wheat, and be the annual perennial root plant of few section, cultivated area and the output of China's buckwheat all occupy the second in the world, and buckwheat has abundant nutritional quality.According to expert determination, buckwheat containing protein 10% one 18%, Mierocrystalline cellulose 10% one 16%, starch 70%, and lipid content is only about 2%.Buckwheat also containing organic acid and vitamins C, B such as the abundant several mineral materials such as phosphorus, iron, calcium, magnesium, copper and citric acid, oxalic acid, oxysuccinic acid, namely etc. BZ, E, and content is generally all higher than wheat-flour, rice, sorghum meal, Semen Maydis powder and millet.Buckwheat has higher medicinal and health value.Buckwheat medicine spectrality is wide, evident in efficacy, has pleasant, the digestive function of wide intestines, all effective in cure to dysentery, cough, poisoning, burn etc.: treat hypertension with buckwheat, control diabetes and have significant curative effect clinically.Also has the function of stomach invigorating, immunity, anti-inflammatory, anti-canceration.Buckwheat is a kind of with the protective foods of food for medicine.Simple for buckwheat, as a kind of nutritious, nourishing function is given prominence to and resource is broader coarse cereals, is just processed into some food by buckwheat for many years, as: bean jelly, thin pancake etc.And the much starch contained by self is not also made full use of by real extraction, and it is also less for the research report of buckwheat starch, show according to the study, buckwheat starch is that the buckwheat shuttle methyl starch that raw material is made is suitable for soup easy to make, import modified starch special at present can be replaced, have first quality effect with the soup that facilitates that it is made, its rehydration speed is better than starch special partially.Therefore, research buckwheat starch complete processing, not only has certain scientific value, also will have great economic implications and social benefit.
Summary of the invention
The object of the invention is to overcome problems of the prior art, provide a kind of easy and simple to handle, buck wheat protein to be easily fully separated with starch, ensure the buckwheat starch production method of starch quality.
In order to realize object of the present invention, the technical scheme taked is as follows:
A production method for buckwheat starch, its technical process is:
Buckwheat → removal of impurities → immersion → defibrination → sieving → protein isolate → drying → pulverizing → finished product
Further, described immersion: buckwheat being placed in pH is that the sodium sulfite solution of 5-6 soaks 18-20 hour, and soaking temperature is 40-45 DEG C, and regulates soak solution pH value in immersion process to be 2-3 with 1.Omol/L hydrochloric acid; Described soak solution in the weight ratio of buckwheat is: 2.5-4.5:1.
Further, described defibrination, sieving: add water the buckwheat soaked grinding, carries out sieving with 0.088mm sub-sieve, grind filter residue 4-6 time, merging filtrate repeatedly, and removing filter residue, crosses 200 mesh sieves by filtrate; Described buckwheat and the weight ratio of distilled water are 1:8-10.
Protein isolate described further: screened stock breast after sieving is added the HCl solution of 10% to Precipitation, centrifugal 10min under rotating speed 5000r/min, by the Impurity removal on upper strata, lower floor's material is added distilled water stir evenly after centrifugal 3 ~ 4 times repeatedly, isolate albumen and starch.
Further, described drying: by isolated starch is the air dry oven inner drying 8 ~ 10h of 39 DEG C ~ 40 DEG C in temperature.
Further, described pulverizing: by broken for the starch of drying mistake 120 mesh sieve, namely obtain finished product.
Beneficial effect of the present invention:
1, buckwheat starch production method of the present invention, practicable serialization, automatization, canalization.
2, the method for the protein isolate of the present invention's employing, makes buck wheat protein and starch realize effectively being separated, neither affects buckwheat starch quality, remain buck wheat protein again, ensure that the nutritive ingredient that buckwheat itself is contained, reduce dynamic consumption and production cost simultaneously, be applicable to commercial scale production.
3, the inventive method is simple to operate, stable, and labor strength is little.
4, the enthusiasm of peasant planting buckwheat can be promoted after making buckwheat starch suitability for industrialized production by method of the present invention, for peasant creates larger economic interests.
Embodiment
Embodiment
A production method for buckwheat starch, concrete steps are as follows:
1, soak: buckwheat is placed in the sodium sulfite solution that pH is 5-6,18 hours summers of soak time, in 20 hours winters, soaking temperature is 40-45 DEG C, and is 2-3 by soak solution pH value in 1.Omol/L hydrochloric acid adjustment immersion process; The weight ratio of soak solution and buckwheat is: 2.5-4.5:1.
2, defibrination, sieving: by soaked buckwheat removing soak solution, after clean water, and distilled water grinds with the ratio needle mill of 1:8-10, and be that 0.088mm sub-sieve carries out sieving with sieve aperture, filter residue grinds 4-6 time repeatedly, merges slurry breast, crosses 200 mesh sieves; Be separated filter residue, rinse well with clear water;
3, protein isolate: add the HCl solution of 10% to Precipitation by merging screened stock breast after sieving, centrifugal 10min under rotating speed 5000r/min, by the Impurity removal on upper strata, lower floor's material is added distilled water stir evenly after centrifugal 3 ~ 4 times repeatedly, isolate albumen and starch;
4, dry: by isolated starch, to be the air dry oven inner drying 8 ~ 10h of 39 DEG C ~ 40 DEG C in temperature;
5, pulverize: by broken for the starch of drying mistake 120 mesh sieve, namely obtain finished product.
Test example 1
Embodiment of the present invention buckwheat starch determination of quality index is tested
Test method:
Moisture determination is according to international standard GB12087-89 moisture determination standard.
Protein determination is according to GB12091-89 grain, oil plant inspection crude protein determining method.
Determination of ash is according to international standard GB12086-89 determination of ash method.
Viscosimetric analysis is according to yam starch viscosity inspection in " grain and oil and goods inspection technology " book.
Measuring brightness is according to standard GB/T 12097-89 starch measuring method.
Fineness measures according to national standard) fineness mensuration: GB/T12096 1
Get one-level edible corn starch respectively, one-level food potato starch, one-level eat wheat starch and each 100g of embodiment of the present invention buckwheat starch, carry out the determination test of moisture, albumen, ash content, viscosity, whiteness indices.
Table 1 different starch quality index determining result
Table 1 shows, the basic physical and chemical index of buckwheat starch obtained through the inventive method meets or exceeds one-level food starch.
Claims (7)
1. a production method for buckwheat starch, is characterized in that: technical process is: buckwheat → removal of impurities → immersion → defibrination → sieving → protein isolate → drying → pulverizing → finished product; Wherein said protein isolate step: screened stock breast after sieving is added the HCl solution of 10% to Precipitation, centrifugal 10min under rotating speed 5000r/min, by the Impurity removal on upper strata, lower floor's material is added distilled water stir evenly after centrifugal 3 ~ 4 times repeatedly, isolate albumen and starch.
2. the production method of a kind of buckwheat starch according to claim 1.It is characterized in that: soak: buckwheat being placed in pH is that the sodium sulfite solution of 5-6 soaks 18-20 hour, and soaking temperature is 40-45 DEG C, and be 2-3 by soak solution pH value in 1.Omol/L hydrochloric acid adjustment immersion process.
3. the production method of a kind of buckwheat starch according to claim 2.It is characterized in that: the weight ratio of soak solution and buckwheat is: 2.5-4.5:1.
4. the production method of a kind of buckwheat starch according to claim 1.It is characterized in that: defibrination, sieving: add water the buckwheat soaked grinding, carries out sieving with 0.088mm sub-sieve, repeatedly grind filter residue 4-6 time, merging filtrate, removing filter residue, crosses 200 mesh sieves by filtrate.
5. the production method of a kind of buckwheat starch according to claim 4.It is characterized in that: during defibrination, the weight ratio of buckwheat and distilled water is 1:8-10.
6. the production method of a kind of buckwheat starch according to claim 1.It is characterized in that: dry: by isolated starch, to be the air dry oven inner drying 8 ~ 10h of 39 DEG C ~ 40 DEG C in temperature.
7. the production method of a kind of buckwheat starch according to claim 1.It is characterized in that: pulverize: by broken for the starch of drying mistake 120 mesh sieve, namely obtain finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781548.9A CN105254772A (en) | 2015-11-16 | 2015-11-16 | Production method for buckwheat starch |
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| CN201510781548.9A CN105254772A (en) | 2015-11-16 | 2015-11-16 | Production method for buckwheat starch |
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| CN105254772A true CN105254772A (en) | 2016-01-20 |
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| CN201510781548.9A Pending CN105254772A (en) | 2015-11-16 | 2015-11-16 | Production method for buckwheat starch |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892758A (en) * | 2017-04-14 | 2017-06-27 | 安徽博硕科技有限公司 | A kind of natural compound fertilizer granulating agent |
| CN107095150A (en) * | 2017-06-20 | 2017-08-29 | 普定县明祥农产品加工专业合作社 | A kind of processing method of noodle prepared from buckwheat |
| CN107141358A (en) * | 2017-06-20 | 2017-09-08 | 普定县明祥农产品加工专业合作社 | A kind of buckwheat starch extracting method |
| CN110612311A (en) * | 2017-05-16 | 2019-12-24 | 罗盖特公司 | Buckwheat starch stabilized by cleaning label |
-
2015
- 2015-11-16 CN CN201510781548.9A patent/CN105254772A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892758A (en) * | 2017-04-14 | 2017-06-27 | 安徽博硕科技有限公司 | A kind of natural compound fertilizer granulating agent |
| CN110612311A (en) * | 2017-05-16 | 2019-12-24 | 罗盖特公司 | Buckwheat starch stabilized by cleaning label |
| RU2764638C2 (en) * | 2017-05-16 | 2022-01-19 | Рокетт Фрер | Stabilized buckwheat starch with “clean label” |
| CN107095150A (en) * | 2017-06-20 | 2017-08-29 | 普定县明祥农产品加工专业合作社 | A kind of processing method of noodle prepared from buckwheat |
| CN107141358A (en) * | 2017-06-20 | 2017-09-08 | 普定县明祥农产品加工专业合作社 | A kind of buckwheat starch extracting method |
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Application publication date: 20160120 |
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| WD01 | Invention patent application deemed withdrawn after publication |