CN100386152C - Method for producing products abundantly containing effective functional component of oat by dry method - Google Patents
Method for producing products abundantly containing effective functional component of oat by dry method Download PDFInfo
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- CN100386152C CN100386152C CNB2004100131358A CN200410013135A CN100386152C CN 100386152 C CN100386152 C CN 100386152C CN B2004100131358 A CNB2004100131358 A CN B2004100131358A CN 200410013135 A CN200410013135 A CN 200410013135A CN 100386152 C CN100386152 C CN 100386152C
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Abstract
The present invention relates to a method for producing products abundantly containing effective functional components of oats by a dry method, which comprises the following step that (a), oat granules are pulverized into granules by shearing force produced by a machine or high pressure draft and pressure; (b), the granules are separated according to the sizes of the granules; (c), fine powder and coarse powder are respectively collected. Self biological and physical properties of components contained in oats for separating high quality embryo power containing starch and dietary fiber powder containing dietary fiber from the oats under the conditions of not needing the water and solvent and not relating a chemical reaction. The method has simple and easy producing technics. Protein, the starch, fat and an anti-oxide of a separated and obtained product have the advantages of invariability, no taste change, no dissolution and high production quality.
Description
Technical field:
The present invention relates to a kind of processing method of cereal.
Background technology:
Oat contains multiple compositions such as starch, dietary fiber (Soluble Fiber and insoluble fibre), protein, fat, through years of researches and practice, western countries oat as a kind of healthy food.Canada oat company (Can-oat) studies have shown that the composite starch in the oat starch contained therein has adjusting blood sugar, reduces the incidence of disease of colon cancer, breast cancer, prostate cancer, improves effects such as constipation; January 29 nineteen ninety, U.S.'s " epoch " weekly report points out that oat is rich in the part of dietary fiber and can reduces bad cholesterol in the blood, 1998, U.S. food and drug administration (FDA) (on January 23rd, 1997) were duly admitted oat and have the function that reduces angiocardiopathy danger.Simultaneously, starch in the oat and dietary fiber not only have numerous food functions such as absorbent function, emulsification function, gelatinization function, thickening function and gel function, also can be applicable to cosmetics and preventing and treating skin diseases aspect, as beauty mask, skin is antipruritic, antiallergy etc.
But, there is not a kind of effective method at present, do not needing water, solvent, do not relate to and from oat, isolate product that is rich in starch and the product that is rich in dietary fiber under the condition of chemical reaction.
Summary of the invention:
The object of the present invention is to provide a kind of water, solvent of not needing, do not relate to the method for the dry method shunting production enrichment oat effective efficiency composition product of chemical reaction.
The de-hulled oat grain mainly is made up of plumule part and crust (wheat bran) part.Plumule partly is the part that is positioned at wheat center and periphery, mainly is made up of starch, and starch contained therein weight accounts for about the 55-60% of wheat gross weight, between the amylum grain and limit, also has materials such as a spot of soluble fibre, fat, albumen.And mainly concentrate dietary fiber at crust and near the position of crust, contained dietary fiber weight accounts for the 10-20% of wheat gross weight, reaches a spot of fat of marginal existence and albumen between dietary fiber.As seen, oat grain plumule part and outer skin portion separately are about to oat and are divided into product that is rich in starch and the product that is rich in dietary fiber.
Through studies show that, oat grain is under the effect of shearing force, because starch and dietary fiber self characteristics, plumule partly is ground into torulose than granule, outer skin portion is ground into irregular larger particles, the present invention has utilized this point just, and oat is separated into product (germ flour) that is rich in starch and the product (food fibre powder) that is rich in dietary fiber.
The present invention provides the method for dry method shunting production enrichment oat effective efficiency composition product according to this achievement in research, and may further comprise the steps: (a) oat grain is ground into particle by shearing force and the pressure that machinery or high pressure draught produce; (b) according to the granular size separating particles; (c) collect fine powder and meal respectively.
Described oat grain shells.
Described oat grain can be pressed into the oat medicine materical crude slice earlier and pulverize.
Separating particles can directly utilize the difference of two kinds of granular sizes to use the dry screening method, and the weight differential that also can utilize two kinds of granular size differences to be produced is used air current classifying method (or claiming flow separation method or air gunite).
The present invention has utilized self biology, the physical characteristic of oat ingredient, do not needing water, solvent, do not relate to and from oat, isolate the high-quality food fibre powder that is rich in the germ flour of starch and is rich in dietary fiber under the condition of chemical reaction, simple, the easy row of production technology, separate the back products obtained therefrom protein, starch, fat and polyphenoils consistency, not spoiled, do not decompose the product quality height.
The specific embodiment:
One, preliminary treatment.At first oat process heating steps is made the reactiveness inactivation of contained enzyme, germ flour of producing like this and food fibre powder are more not perishable.Because contain the fat of the 7-12% that has an appointment in the oat, fatty powder can reduce separative efficiency, can use the press type solvent the fat-extraction separation of coming out to pulverize again.But the degree not influence of above step to separating is so be not essential.
Two, pulverize.The machinery of pulverizing can adopt edge mill, as kibbler roll, edge runner, cylinder mill etc., also can adopt other machineries such as hammer-mill, ball mill, fluid energy mill.Can examine under a microscope, through pulverizing, most starch form the approximate spherical particle of diameter 0.04-0.12 millimeter in the plumule, and most dietary fibers form the irregular particle more than 0.4 millimeter in the crust.
Draw grade and the listed data that following three forms are made according to long term test and practical application summary.
Table 1 oat complete powder
| Oat complete powder | Starch % | Dietary fiber % | Fat % | Protein % | Granular size (millimeter) | Soluble Fiber % |
| Content | 59 | 12 | 8.2 | 12 | 0.01-1.2 | 5 |
Table 2 germ flour
| The germ flour grade | Starch % | Dietary fiber % | Fat % | Protein % | Granular size (millimeter) | Soluble Fiber % |
| Superfine | 91.5 | 1.2 | 1.1 | 3.3 | ＜0.075 | 1 |
| One-level | 80.8 | 4.2 | 5.3 | 8.8 | ＜0.15 | 2.9 |
| Secondary | 76.2 | 5.6 | 6.9 | 8.9 | ＜0.25 | 3 |
| Three grades | 69.5 | 6 | 7.2 | 10 | ＜0.355 | 3.2 |
Table 3 food fibre powder
| Food fibre powder | Starch % | Dietary fiber % | Soluble Fiber % | Fat % | Protein % | Granular size (millimeter) |
| One-level | 26 | 45.1 | 18.2 | 12.8 | 15.5 | ＞0.85 |
| Secondary | 40.2 | 31 | 12.2 | 8.5 | 13.4 | ＞0.355 |
| Three grades | 52.8 | 20.6 | 9.6 | 8.5 | 12.41 | ＞0.25 |
Three, separate.
1, crosses sieve method.This method is the different separate substances according to granular size, when sieving, sifts out from screen cloth less than the particle of sieve aperture internal diameter, then stays on the screen cloth greater than the particle of sieve aperture internal diameter.After the powder of oat pulverizing gained sieves, collect fine powder, collect meal as food fibre powder as germ flour.Can use vibration, rotation, beating etc. to have the method for cleaning sieve aperture effect to increase screening efficiency.Sieving can be used as an independent operating unit, also can be installed in sieve in the size reduction machinery, to raise the efficiency.Sieving can be manual operations, also can be automatic mechanically actuated.Sieve can adopt metallic screen also can adopt nonmetal sieve.Have at the sieve of the different sieve meshes of use, can selectively obtain composition difference, germ flour and food fibre powder that grade is different.
2, air current classifying method.This ratio juris is according to different particles different weight to be arranged, and uses the certain speed air-flow that particle is blowed floating, and the distance that the particle that weight is big is handled upside down is short, the distance that the particle that weight is little is handled upside down.Though germ flour and dietary fiber powder particles proportion are different, be more or less the same, two kinds of particle weight are mainly still determined by the size of particle.Oat is pulverized and laggardly to go into flow separator and separate, and collects the powder of Different Weight then respectively, can obtain germ flour and food fibre powder.Studies show that the germ flour particle weight is generally less than 0.1 milligram, the food fibre powder particle weight is generally greater than 1 milligram, and both weight is that bigger gap is arranged.
In order to improve the degree of separation, the meal that obtains after separating can be carried out secondary and pulverize separation or carry out multistage pulverizing separation.
Embodiment:
Example 1 is de-hulled oat grain 500 gram 1., dries to moisture to be lower than 2%.The cylinder space of regulating cylinder mill is 0.15 millimeter, rotating speed is 80-100 rev/min, add oat grain and roll pulverizing, the collection gained flakelike powder of milling is crossed 200 orders (0.075 millimeter) sieves, and the fine powder under the collection screen is superfine germ flour, meal reclaims and pulverizes again, this moment, the cylinder space of grinding mill was 0.08 millimeter, and the meal that pulverizes again is after 200 mesh sieves, and the fine powder under the sieve is superfine germ flour.Be total to secondary so repeatedly, collected whole superfine germ flour (composition sees Table 2) is totally 72 grams.
2. each goes on foot operation in 1., is not both with 100 orders (0.15 millimeter) sieve to replace 200 mesh sieves, and last collected fine powder 98 restrains and is one-level germ flour (composition sees Table 2) after testing.
3. each goes on foot operation in 1., is not both with 65 orders (0.25 millimeter) sieve to replace 200 mesh sieves, and last collected fine powder 216 restrains and is secondary germ flour (composition sees Table 2) after testing.
4. each goes on foot operation in 1., is not both with 60 orders (0.355 millimeter) sieve to replace 200 mesh sieves, and it is three grades of germ flours (composition sees Table 2) that last collected fine powder 368 restrains, and collected meal 129 grams are secondary food fibre powder (composition sees Table 3).As meal is sieved after 25 orders (0.85 millimeter), then gained secondary meal 103 grams are one-level food fibre powder (composition sees Table 3).
As seen, regulating grinding mill and adopt different operating parameters to mill repeatedly, be used the sieve of different sieve meshes, adjust the size of gained fine particle, is the germ flour that can obtain heterogeneity, different brackets as required really.
5 kilograms of the oat medicine materical crude slice of example 2 moisture 9% after hammer-mill is pulverized, are crossed 25 mesh sieves earlier, particle greater than 0.85 millimeter meal 1008 grams, wherein contain dietary fiber 30.3%, Soluble Fiber 12.8%, fat 10.6%, starch 40.5%.The gained fine powder is after 100 mesh sieves, secondary fine powder 1632 grams, wherein starch-containing 75.3%, dietary fiber 5.1%, Soluble Fiber 3.2%, fat 6.2%, protein 9.0%.
5 kilograms of example 3 degreasing oat medicine materical crude slice after hammer-mill is pulverized, are crossed 25 mesh sieves earlier, particle greater than 0.85 millimeter meal 853 grams, wherein contain dietary fiber 35.3%, Soluble Fiber 13.6%, protein 15.3%, fat 0.8%, starch 43.2%.The gained fine powder is after 100 mesh sieves, secondary fine powder 2385 grams, wherein starch-containing 77.6%, dietary fiber 4.3%, Soluble Fiber 3.2%, fat 0.3%, protein 10.2%.
7 kilograms of the oat medicine materical crude slice that example 4 is pressed into by de-hulled oat grain are pulverized the back through Universalpulverizer and are crossed 100 mesh sieves, and fine powder 2351 grams that sift out are germ flour, wherein starch-containing 78.4%, protein 9.6%, dietary fiber 4.2%, Soluble Fiber 2.8%, fat 6.7%.
5 kilograms of example 5 de-hulled oat grains after hammer-mill is pulverized, carry out particle separation with flow separator, and collecting granules is greater than 0.6 millimeter meal, get 1292 grams, wherein contain dietary fiber 19.7%, Soluble Fiber 10.5%, lipase 37 .9%, protein 10.9%, starch 50.2%.Collecting granules is less than 0.15 millimeter fine powder, 1832 grams, wherein starch-containing 73.2%, dietary fiber 4.1%, Soluble Fiber 2.8%, lipase 37 .1%, protein 8.9%.Powder 1881 grams of particle between 0.15 millimeter and 0.6 millimeter, the ingredient ratio can be used for the food cake between germ flour and food fibre powder.
5 kilograms of example 6 de-hulled oat grain are pulverized the back through hammer-mill and are crossed 100 mesh sieves, fine powder 1486 grams, wherein starch-containing 71.8%, dietary fiber 4.4%, Soluble Fiber 2.3%, fatty 8.3%, protein 8.7%.Meal 3509 grams wherein contain dietary fiber 16.6%, Soluble Fiber 8.8%, fat 8.2%, protein 9.5%, starch 52.8%.
As seen, be much higher than oat complete powder (table 1 compares with table 3) through content of starch in the collected fine powder in the inventive method separation back, dietary fiber content is much higher than oat complete powder (table 2 compares with table 3) in the collected meal, oat grain can be separated into germ flour that is rich in starch and the food fibre powder that is rich in dietary fiber really.
Claims (5)
1. the method for dry method shunting production enrichment oat effective efficiency composition product is characterized in that:
Do not needing water, solvent, do not relating under the condition of chemical reaction, oat is rolled in blocks reaching pulverizes, sieves, roll again to reach in flakes and pulverize, sieve, separating particles, collect fine powder and meal respectively, obtain starch-containing 91.5% oat germ flour and contain the food fibre powder oat products of dietary fiber 45.1%.
2. the method for dry method shunting production enrichment oat effective efficiency composition product according to claim 1, it is characterized in that: use dry production enrichment dietary fiber up to 31%, 45.1% product, to be that the cylinder mill of 0.15mm is pressed into thin slice with the roller gap earlier with shelling and heat treated oat grain, cross raw granulate fraction and the initial gross separation of starch fine fraction that 60 mesh sieves will be rich in the tablet of dietary fiber then, be after raw granulate fraction that the grinding mill of 0.08mm will be rich in dietary fiber sheet thing is rolled into thin slice, will be rich in dietary fiber raw granulate fraction and the secondary separation of starch fine fraction with the roller gap more for the second time then after 60 mesh sieves; So operate twice, obtain the food fibre powder of enrichment dietary fiber 31%,, obtain the food fibre powder of enrichment dietary fiber 45.1% after 25 mesh sieves.
3. the method for dry method shunting production enrichment oat effective efficiency composition product according to claim 2, it is characterized in that: because it is different to constitute the partial elements that is rich in the dietary fiber part and is rich in starch in the oat, under the effect that rolls, form the particle of difformity and size, be rich in dietary fiber and partly form the above irregular particle of 0.4mm, and the oat plumule forms the approximate spherical particle of diameter 0.04～0.12mm under the effect of grinding pressure.
4. the method for dry method shunting production enrichment oat effective efficiency composition product according to claim 1 is characterized in that: adopt edge mill that oat grain is pressed into thin slice and fine powder; Or adopt hammer-mill, ball mill and fluid energy mill that oatmeal or oat grain are pulverized.
5. the method for dry method shunting production enrichment oat effective efficiency composition product according to claim 2, it is characterized in that: adopt the sieve of different slot sizes just can obtain composition difference, germ flour that grade is different, comprising 200 orders, 100 orders, 65 orders, 60 mesh sieves.
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| EP2848128A1 (en) * | 2013-09-13 | 2015-03-18 | Bunge Global Innovation, LLC. | New process for preparing high protein sunflower meal fraction |
| CN108208587A (en) * | 2016-12-09 | 2018-06-29 | 浙江大学自贡创新中心 | A kind of processing method of grain dust of enriching beta glucan and its equipment of use |
| CN109123687A (en) * | 2018-09-30 | 2019-01-04 | 上海交通大学医学院 | A kind of method for comprehensive processing of organic oat fiber powder, oat egg white powder and oat germ powder |
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