A kind of oat peeling also keeps the method for plumule
Technical field
The present invention relates to the processing method of a kind of oat, further, the present invention relates to the peeling method of a kind of oat, concrete, the present invention relates to a kind of peeling method that can keep the oat plumule.
Background technology
Avena grass family annual herb crop has another name called bromegrass, wild wheat.Oat generally is divided into band bran type and naked grain type two big classes.The oat of countries in the world cultivation is main with band bran type, often is called the skin oat.The oat of China's cultivation is main with naked grain type, often claims naked oats.The another name of naked oats is a lot of, is called naked oats in China North China; The Northwest is called maize; The southwest is called oat, also claims naked oats sometimes; The Northeast is called the small bell wheat.Oat has had the cultivation history in more than 2000 year in China, and its place of production mainly is distributed in the Inner Mongol, Hebei, Shanxi, the Shaanxi of China, and countries and regions such as Canada, the U.S., European Union, Australia, Korea S, Japan and Israel.
Oat is rich in various trace elements such as protein, amino acid, small molecule active peptide, dietary fiber, beta glucan, unrighted acid and calcium, phosphorus, iron, has very big economic worth.1. be of high nutritive value: according to health research institute of Chinese Academy of Medical Sciences analysis-by-synthesis, China's naked oats contains thick protein and reaches 15.6%, and fat 8.5% also has elements such as starch release heat and phosphorus, iron, calcium, compares with other 8 kinds of grains, all comes out at the top.Water-soluble dietary fiber is respectively wheat and corn 4.7 times and 7.7 times in the oat.B family vitamin in the oat, niacin, folic acid, pantothenic acid is rich, particularly vitamin E all, and per 100 restrain in the oatmeals up to 15 milligrams.Also contain the saponin (main component of genseng) that all lacks in the cereal grain in addition in the oatmeal.The amino acid ratio of components of protein is more comprehensive, and all ranking first of 8 seed amino acid content of needed by human especially contains lysine up to 0.68 gram.2. value medical health care is high: medical value of oat and health-care effect, generally acknowledged by medical circle of all times.Take turns animal experiment and 3 according to 1981~1985 years the Chinese Academy of Agricultural Sciences and 18 tame medical institutions 5 such as cardiovascular and cerebrovascular research center, Beijing, Haidian, Beijing hospital and take turns 997 routine clinical observations research proofs, naked oats can prevent and treat the cardiovascular and cerebrovascular disease by the high fat of blood initiation.Promptly took the naked oats sheet 3 months (day clothes 100 grams), can obviously reduce cholesterol, triglyceride, beta lipoprotein in cardiovascular and the liver, total effective rate reaches 87.2%, and its curative effect and clofibrate do not have significant difference, and have no side effect.For because of liver, ephrosis become, the Secondary cases hyperlipidemia that diabetes, fatty liver etc. cause also has same significantly curative effect.Long-term edible oatmeal helps the control of diabetes and obesity.3. feeding value is high: oat leaf, stalk succulence are tender, good palatability.According to " animal feeding science ", contain crude protein 5.2%, crude fat 2.2%, nitrogen free extract 44.6% in the naked oats stalk, all than millet straw, wheat straw, cornstalk height; The fiber 28.2% that is difficult to digest hangs down 4.9~16.4% than wheat, corn, grain straw, is one of best forage grass.Its seed is the high-quality feed of raising domestic animals and fowls such as cub, old poultry, ill domestic animal and the weight draught animal and chicken, pig.
In oat, plumule is the part of oat seed embryo, and it is made up of growing point and spire; Constitute plumular axis jointly with blastema and radicle; The oat plumule is positioned at the upper end of plumular axis, after germination is unearthed, with continuing to develop into the structures such as stem, branch and blade that produce plant.Plumule is the root of oat life, is the highest part of nutritive value in the oat.According to surveying and determination, the oat plumule contains protein more than 30%, and wherein globulin is more than 18.9%, and glutenin 0.3%~0.37%, gliadin are important phytoprotein nutrient sources more than 14%.The oat germ protein is a kind of good protein, its be rich in needed by human 8 seed amino acid content and total amino acid 34.74%, wherein lysine accounts for 1.85%, the protein biological value can compare favourably with the egg of protein pattern food.Its contained vitamin B1, B2, iron and potassium are respectively 3 times, 8 times, 4 times and 8 times of equivalent flour.In addition, it also contains abundant zinc.Every hectogram contains vitamin E 220 micrograms in the wheat-germ oil, is 13 times of soybean oil, and mostly 4 times of cod-liver oil are present known one of the highest food of vitamin E that contains.
Existing oat peeling technology, basic identical with present wheat, paddy peeling technology, all be to utilize the sand roller in the peeling equipment that shelling is fallen.Typical peeling equipment and peeling method such as CN 101264459A disclosure; Said peeling equipment comprises: frame, feeding assembly, propeller, sand roll assembly and power set, each parts all are arranged on the frame, and propeller is set in the feeding assembly; Propeller is connected with the clutch end of power set; The port of export that feeding assembly is passed in the propeller lower end is connected with the sand roll assembly, and sand roll assembly periphery correspondence is provided with the sand plate, forms the peeling chamber between sand plate and the sand roll assembly; Distance between sand plate and the sand roll assembly is 1~10mm, and the lower end of peeling chamber is a discharging opening.Utilize the peeling method of this equipment to comprise: will treat that the oat material of peeling puts into the feeding assembly of peeling equipment; Propeller in the feeding assembly carries the oat material under power set drive to the peeling chamber between sand roll assembly and the sand plate; The oat material is done screw downwards under the drive of sand roll assembly in the peeling chamber; The oat material through the effect of sand roll assembly and sand plate, divests the epidermis of oat in the screw process, the oat particle after the peeling is discharged by discharging opening.
Existing peeling equipment and peeling method, although effectively peeling and keep the complete of oat particle, it is bigger in whole peeling process, to apply dynamics.Because the plumule of oat is positioned at the upper end of plumular axis, in the peeling process, can contact with the sand roller, therefore in the peeling process of prior art, plumule is removed in the lump.And plumule is the highest part of nutritive value in the oat, and this has just caused the nutritive value loss of high part.Therefore, when how to realize the oat peeling, keeping plumule, is the technical barrier that affiliated technical field faces.
Summary of the invention
To the deficiency of prior art, one of the object of the invention is to provide a kind of oat peeling method, and said method can keep plumule and keep the complete of oat particle in peeling, thus the nutritional labeling of the reservation oat of maximum possible.
Oat peeling method of the present invention through peeling speed is reduced, with the peeling time lengthening, thereby is realized the raising with the peeling effect that reduces of peeling dynamics, and then can when guarantee that peeling is effective, be kept the complete of oat particle and keep plumule.
Oat of the present invention can be all types of oats, and preferably, said oat is a naked oats.
Of the present invention with the reduction of peeling speed, with respect to prior art, preferably speed is reduced by 20%~40%, further preferred reduction by 25%~35% more preferably reduces by 30%.
Of the present invention with the reduction of peeling speed, can realize through the speed of mainshaft of control peeling machine.In the prior art, the peeling machine speed of mainshaft is generally between 680~1130rpm, and the speed of mainshaft of the present invention can be for about 400~650rpm, preferred 450~640rpm, further preferred 500~600rpm.
As the preferred version that reduces peeling speed, the present invention preferably when reducing the speed of mainshaft, reduces the power of power set.Said power preferably reduces by 5%~20%, preferably reduces by 8%~15%, further preferred reduction by 10%~12%.In the prior art; The power of apparatus for peeling off is generally 18.5~22kW, and the method for the invention is then controlled apparatus for peeling off power at 14.8~21kW, preferred 15~20kW; Further preferred 16.5~19.5kW, for example 17kW, 17.5kW, 18kW, 18.5kW or 19kW.
The reduction of said peeling equipment power can realize through the output of control peeling equipment power set, reduces such as its voltage of control and/or electric current and realizes.As everyone knows, power is directly proportional with voltage and current, therefore can reduce voltage or electric current separately; Such as voltage or electric current are reduced by 5%~20%; Perhaps simultaneously voltage and current is reduced,, realize reduction power such as voltage and current is reduced by 10% simultaneously.
For the separate unit peeling equipment, although through it is carried out structure of modification, its peeling time also can realize prolonging, and the present invention does not preferably change peeling equipment, but adopts many peeling equipment series connection, thereby realizes the prolongation of peeling time.As preferably, the present invention preferably adopts the series connection of 2-6 platform peeling equipment to use, and further preferably adopts the series connection of 2-5 platform peeling equipment, more preferably adopts the 2-4 platform, and such as 3, series connection is used.
Inventor of the present invention finds that after the peeling equipment of series connection surpassed 6, its peeling overlong time can cause the imperfect of oat particle, and then causes its plumule to drop.Therefore, in the control of its peeling time, the series connection of 6 peeling equipments has been the upper limit of peeling time.When peeling equipment not being done any change, when only adopting 1 peeling equipment, only peeling speed is reduced; Although can effectively keep plumule and make that the oat grain shape is complete; But its peeling effect is relatively poor, and the part oat does not have peeling, can't be as commodity or further use.Therefore, inventor of the present invention finds, reach peeling effect preferably, and realize the reservation of plumule simultaneously, must the series connection of 2-6 platform peeling equipment.
Although oat peeling of the present invention also keeps the method for plumule, be applicable to most peeling equipments, the present invention preferably adopts some peeling equipments through particular design.Preferred but the nonrestrictive peeling equipment of the present invention is shown in CN 101264459A; Peeling equipment comprises: frame, feeding assembly, propeller, sand roll assembly and power set, each parts all are arranged on the frame, and propeller is set in the feeding assembly; Propeller is connected with the clutch end of power set; The port of export that feeding assembly is passed in the propeller lower end is connected with the sand roll assembly, and sand roll assembly periphery correspondence is provided with the sand plate, forms the peeling chamber between sand plate and the sand roll assembly; Distance between sand plate and the sand roll assembly is 1~10mm, and the lower end of peeling chamber is a discharging opening.
Preferably, said feeding assembly comprises: feeding cylinder and awl bucket, feeding cylinder are arranged on the awl bucket, and the feeding cylinder outlet is corresponding with awl bucket charging aperture, and awl bucket lower end is provided with the discharging opening of discharging opening as feeding assembly.
Preferably, said propeller comprises: the threaded spiral propeller that projection is set at this external surface of propeller of circle.
Preferably, said sand roll assembly comprises: core frame and sand roller, and core frame upper end is fixedly connected with the propeller lower end, and the sand roller is arranged on the core frame, and the surface roughness of sand roller is 30~60 orders.
Preferably, the roughness of said sand plate also is 30~60 orders.
Preferably, the inwall of said feeding assembly and propeller correspondence position is provided with the charging lining.
Preferably, the discharging opening place of said peeling chamber also is provided with pressure plare, further, also is provided with discharge bucket below the said discharging opening, on the said discharge bucket airduct is set.
Preferably; Oat peeling of the present invention also keeps the method for plumule, adopts the series connection of 2-6 platform peeling equipment, and the peeling machine speed of mainshaft of every peeling equipment is set to 400~650rpm; Every peeling equipment power is controlled at 14.8~21kW, carries out the skinning operations of oat.
The skinning operations of said oat; To treat that preferably the oat material of peeling puts into the feeding assembly of peeling equipment; Propeller in the feeding assembly carries the oat material under power set drive to the peeling chamber between sand roll assembly and the sand plate; The oat material is done screw downwards under the drive of sand roll assembly in the peeling chamber, the oat material through the effect of sand roll assembly and sand plate, divests the epidermis of oat in the screw process; Oat particle after the peeling is discharged by discharging opening, gets into the next stage peeling equipment; The afterbody discharging opening obtains the oat products with plumule.
Surprisingly, oat peeling method of the present invention, the retention rate of plumule be more than 99.5%, this be existing peeling technology can't realize that the present invention has obtained unforeseeable technique effect.
Useful technique effect of the present invention is, the peeling speed through reducing oat also prolongs the peeling time, has not only realized the peeling of oat, also makes oat shape intact after the peeling, and can keep plumule, and this is that prior art is beyond one's reach.
The specific embodiment
For ease of understanding the present invention, it is following that the present invention enumerates embodiment.Those skilled in the art should understand, and said embodiment only is used for helping to understand the present invention, should not be regarded as concrete restriction of the present invention.
Embodiment one
Adopt 6 peeling equipment series connection, peeling equipment is selected peeling equipment shown in the CN 101264459A for use, and the peeling machine speed of mainshaft of every peeling equipment is set to 650rpm, and every peeling equipment power is controlled at 14.8kW, carries out the skinning operations of oat.
The skinning operations of oat: will treat that the oat material of peeling puts into the feeding assembly of peeling equipment; Propeller in the feeding assembly carries the oat material under power set drive to the peeling chamber between sand roll assembly and the sand plate; The oat material is done screw downwards under the drive of sand roll assembly in the peeling chamber, the oat material through the effect of sand roll assembly and sand plate, divests the epidermis of oat in the screw process; Oat particle after the peeling is discharged by discharging opening, gets into the next stage peeling equipment; The afterbody discharging opening obtains the oat products with plumule.
Equipment operation 1 hour; Oat products to final is surveyed sample, and 6 product appearance of selective examination operation back 5min, 15min, 25min, 35min, 45min and 60min are inferior altogether, each appearance time 1000 oat; Find through detecting; 8,6,0,4,7 and 1 plumule disappearance are arranged respectively, and all the other oat grain shapes are intact, and plumule keeps.
Embodiment two
Adopt 2 peeling equipment series connection, the peeling machine speed of mainshaft of every peeling equipment is set to 400rpm, and every peeling equipment power is controlled at 21kW, and all the other carry out the skinning operations of oat with embodiment one.
By sampling with embodiment one identical T/A, find that through detecting 3,5,6,1,0 and 2 plumule disappearances are arranged respectively, all the other oat grain shapes are intact, and plumule keeps.
Embodiment three
Adopt 4 peeling equipment series connection, the peeling machine speed of mainshaft of every peeling equipment is set to 500rpm, and every peeling equipment power is controlled at 18.5kW, and all the other carry out the skinning operations of oat with embodiment one.
By sampling with embodiment one identical T/A, find that through detecting 5,2,7,3,5 and 3 plumule disappearances are arranged respectively, all the other oat grain shapes are intact, and plumule keeps.
Comparative Examples one
Adopt peeling equipment shown in 1 CN 101264459A, the peeling machine speed of mainshaft of peeling equipment is set to 680rpm, and peeling equipment power is controlled at 18.5kW, carries out the skinning operations of oat.
The skinning operations of oat: will treat that the oat material of peeling puts into the feeding assembly of peeling equipment; Propeller in the feeding assembly carries the oat material under power set drive to the peeling chamber between sand roll assembly and the sand plate; The oat material is done screw downwards under the drive of sand roll assembly in the peeling chamber, the oat material through the effect of sand roll assembly and sand plate, divests the epidermis of oat in the screw process; Oat particle after the peeling is discharged by discharging opening, gets into the next stage peeling equipment; The afterbody discharging opening obtains the oat products with plumule.
Equipment moves 1 hour, and final oat products is surveyed sample, and 6 product appearance of selective examination operation back 5min, 15min, 25min, 35min, 45min and 60min are inferior altogether, each appearance time 1000 oat, and through detecting discovery, plumule is all lost.
Find that through contrast the application passes through to reduce peeling speed, and prolongs the peeling time, can when guaranteeing the peeling effect, keep the oat plumule, and prior art be carried out skinning operations, plumule is all lost.
Applicant's statement; The present invention explains detailed process equipment of the present invention and technological process through the foregoing description; But the present invention is not limited to above-mentioned detailed process equipment and technological process, does not mean that promptly the present invention must rely on above-mentioned detailed process equipment and technological process could be implemented.The person of ordinary skill in the field should understand, and to any improvement of the present invention, to the interpolation of the equivalence replacement of each raw material of product of the present invention and auxiliary element, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.