CN104171838A - Wheat aleurone layer content extracted by adopting pure physical dry process - Google Patents
Wheat aleurone layer content extracted by adopting pure physical dry process Download PDFInfo
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- CN104171838A CN104171838A CN201410335936.XA CN201410335936A CN104171838A CN 104171838 A CN104171838 A CN 104171838A CN 201410335936 A CN201410335936 A CN 201410335936A CN 104171838 A CN104171838 A CN 104171838A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/10—Cereal-derived products
- A23L7/115—Cereal fibre products, e.g. bran, husk
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Abstract
The invention relates to wheat aleurone layer content (namely wheat aleurone layer powder) extracted by adopting a pure physical dry process. The wheat aleurone layer content is rich in wheat aleurone layer, content of dietary fiber is more than 25.0%, in every 100g of wheat aleurone layer content, content of alkylresorcinol is more than 80mg, content of pentosan is more than 15.0g, and content of phosphorus is more than 700mg. The wheat aleurone layer content is obtained by carrying out pure physical stripping on wheat bran by virtue of an eddy shearing device rotating at a high speed, so that the wheat aleurone layer content can be completely, rapidly and fully stripped from wheat bran particles, and cellular morphology and various nutrition ingredients of the wheat aleurone layer content can be well remained.
Description
Technical field
The present invention relates to the wheat aleurone layer content that a kind of pure physical dry is extracted, belong to food preparation field.
Background technology
Wheat aleurone layer content is present between wheat seed seed coat and endosperm; its cell has comprised wheat significant most of materials on nutrition and physiology with conc forms; comprise dietary fiber, protein, mineral matter, B family vitamin, vitamin E, essential fatty acid and specific protective substance, as bioactivator etc.The vitamin of high-load and the mineral matter situation that is conventionally good for one's health, and be of value to the production capacity improving in intelligence and muscle power.It is active that dietary fiber in wheat aleurone layer content contributes to improve digestion.Specifically, their absorption processes again that slows down, thus continue to keep satiety.Bioactivator in wheat aleurone layer content such as phenolic acid, flavonoids, lignan, beta glucan etc. have prevention effect to the numerous disease being brought by human civilization such as artery sclerosis and cancer etc.
Angle analysis from nutrition: the dietary fiber of wheat aleurone layer content except can promote intestines peristalsis, prevent constipation, reduce harmful substance and intestines wall time of contact, reduce ill risk, can also reduce digestion process to fatty absorption, thereby the cholesterol and triglyceride in reduction blood, plays the effect of preventing hypertension and cardiovascular and cerebrovascular disease.The protein content of wheat aleurone layer content is high, be very abundant plant protein resource, the deficiency that it not only can make up protein in meals, reduces the people that takes the photograph to the disadvantageous saturated fatty acid of health, also contain the several amino acids of needed by human, there are some very important functional characteristics.The content of mineral substances of wheat aleurone layer content accounts for the more than 80% of wheat grain content of mineral substances, and mineral matter is form tissue and maintain the essential element of normal physiological function, is one of seven major nutrient of needed by human.Phosphorus is the main mine material that is present in wheat aleurone layer content, and it is the essential material that bone and musculature form, and contributes to keep acid-base balance, assistance metabolism and the power generation of body.Potassium is the mineral matter that high-load is present in wheat aleurone layer content, and the Main Function in human body is to maintain acid-base balance, participates in energetic supersession and maintains nervimuscular normal function.Follow by magnesium and calcium, magnesium is conducive to strengthen skeleton and tooth intensity, thereby contributes to loosening all muscles to promote the health of muscle, is very important for cardioprotection and nervous system health, is energy-producing essential material.Calcium is the nutrient that keeps health of heart, hemostasis, neurological health, contraction of muscle and skin, bone and dental health.In addition, also there is iron and the zinc of larger amt.Iron is the constituent of hemoglobin; Participate in delivery and the exchange of oxygen and carbon dioxide; Being the constitute of enzyme, is also essential to power generation.Zinc is the constituent of 200 plurality of enzymes in human body, is the essential material growing, and can promote the health of nervous system and brain, especially even more important to the fetus in the stage of development.B family vitamin by human body essential; Supporting one's family is that E is called again C antisterility vitamin or tocopherol, relevant with people's reproductive function, is the nutrient that prevents sterility and human body cell aging, can also be anticancer; Amino acid plays a very important role to growing of children; The bioactivator of wheat aleurone layer content etc. has prevention effect to artery sclerosis and some cancer in addition.Can think: wheat aleurone layer content is the raw material that has different physiological roles, is rich in dietary fiber and high anti-oxidation active component.
Wheat aleurone layer content is to be for further processing and to obtain again after separating from wheat bran by physical method (specifically, by machinery/milled processed) and biology enzyme method or ionization method.By separating aleurone content in wheat bran, can in the situation that not adding other any materials, directly produce the wheat aleurone layer content of delicate mouthfeel, aromatic flavour, this wheat aleurone layer content contains the most of nutriment existing to gather form in wheat bran, is the material with potential health-care effect.
In prior art, the method of extracting wheat aleurone layer from wheat bran generally adopts wet method, need to carry out moistening processing or biochemistry processing etc. to wheat bran, and adopt wet method from wheat bran, to extract wheat aleurone layer and involve dehydration to wheat aleurone layer product and the problem such as dry, technological process comparatively complexity and the production cycle longer.
Granted publication number is a kind of method of extracting aleurone from wheat bran of CN100531594C.In the method, the processing method combining with mechanical disruption by biochemical enzymatic, cal rolling or biochemical enzymatic of peeling off of wheat bran is carried out.Extract aleurone by wet and/or dry partition method subsequently.This wheat aleurone layer extracting method provides the separation method for wheat aleurone confluent monolayer cells, in its technological process, a very important ring is biochemical enzymatic treatment, and the concentration requirement of the concentration of biochemical enzymatic treatment to temperature, acid-base value, enzyme, catalyzed material is very high, so its technological process comparatively complexity and the production cycle long.Utilize wet partition method to extract the subsequent treatment more problems after wheat aleurone layer, as the dehydration of wheat aleurone layer product, be dried, break up with waste liq processing etc., and nutriment in wheat aleurone layer likely can be along with fluid loss.
Granted publication number has been described a kind of aleurone product and preparation method thereof for the Chinese patent of CN1750761, and method is as follows: wheat bran, particularly wheat bran that a) preparation is become to be grouped into non-aleurone by aleurone composition; B) separate aleurone composition and non-aleurone composition, form by aleurone composition and non-aleurone composition composition mixture; C) humidity regulation of this mixture is arrived to the water containing 10～20%; D) use with the right grinding rolling apparatus of at least one pair of roller and carry out fine lapping, this roller rotates with different superficial velocities and extruding mutually.This scheme need to be carried out wettability treatment to wheat bran, and the aleurone physical arrangement damage after grinding is larger.
Summary of the invention
The object of the invention is to overcome above shortcomings in prior art, and a kind of simple and fast is provided, in process, does not use any additive, and can save the pure physical dry that is rich in nutritional labeling in wheat aleurone layer, possesses health care from damage and extract the production method of wheat aleurone layer content.
The present invention addresses the above problem adopted technical scheme: the wheat aleurone layer content that a kind of pure physical dry is extracted, it is characterized in that being rich in wheat aleurone layer in described wheat aleurone layer content, dietary fiber content is greater than 25.0%, in every 100 grams of described wheat aleurone layer contents, the content of alkyl-resorcin exceedes 80mg, pentosan content exceedes 15.0g, the content of phosphorus exceedes 700mg, described wheat aleurone layer content is that average particle size is less than 75 μ m and (is preferably and is less than 50 μ powder-product m), described wheat aleurone layer content is to pass through High Rotation Speed, eddy current shear carries out peeling off of pure physics by wheat bran and makes, described High Rotation Speed, eddy current shear can make described wheat bran in stronger centrifugal field, obtain larger power acceleration, make described wheat bran in impact force, frictional force, rub under the synergy of the multiple mechanism such as power and impulsive force, between the particle of described wheat bran, produce violent collision, friction, rub and impact effect, thereby make described wheat aleurone layer content comparatively complete, fast, from described wheat bran, be stripped from out fully, cellular morphology and the various nutrition of described wheat aleurone layer content are saved preferably from damage.
The volume mean diameter of described wheat aleurone layer content particle is 35-65 μ m, and area average diameter is 11-20 μ m, and specific area is 120-180m
2/ kg.
This pure physical dry is extracted the method for wheat aleurone layer content, be that the wheat bran in feed bin is sent in rotor high-speed rotation, eddy current cutting mill equipment, by the mode of colliding, rubbing, rubbing and impacting, wheat bran ground to form to the mixture that comprises grain graininess non-wheat aleurone layer component between 150-2000 μ m at the wheat aleurone layer component between 1.4-150 μ m and grain graininess; By several discharge valves, mixture is sent in screening plant and screened and separate, after mixture separates by screening plant, become respectively the wheat aleurone layer content that mainly comprises wheat aleurone layer component and the wheat bran fine powder that mainly comprises non-wheat aleurone layer component, take the processing mode of mechanical lapping, do not add any other composition, not only divested most crude fibre in wheat bran but also retained greatly the primary characteristic of aleurone.
The present invention compared with prior art, has the following advantages and effect:
1, in described wheat aleurone layer content, be rich in wheat aleurone layer, dietary fiber content is greater than 25.0%, and in every 100 grams of described wheat aleurone layer contents, the content of alkyl-resorcin exceedes the content that 80mg, pentosan content exceed 15.0g, phosphorus and exceedes 700mg.
2, described wheat aleurone layer content is by High Rotation Speed, eddy current shear, wheat bran to be carried out to peeling off of pure physics to make, thereby make described wheat aleurone layer content comparatively complete, fast, from described wheat bran, be stripped from out fully, saved preferably cellular morphology and the various nutrition of described wheat aleurone layer content from damage.What take due to this technique is the processing mode of mechanical lapping, does not add any other composition, has not only divested most crude fibre in wheat bran but also has retained greatly the primary characteristic of wheat aleurone layer.
3, described wheat aleurone layer content is that average particle size is less than 75 μ m and (is preferably and is less than 50 μ powder-product m), the volume mean diameter of described wheat aleurone layer content particle is 35-65 μ m, area average diameter is 11-20 μ m, and specific area is 120-180m
2/ kg, when it adds composition as food additive, good palatability, nutrition are easily absorbed.
4, realized the peeling off and extracting of the medium and small gruel bisque of wheat bran content by the method for simple and fast, small investment, with short production cycle.The wheat aleurone layer content product that adopts this technological process to produce, can realize production in enormous quantities.The mode of this invention whole process using pipeline wind-force convey materials, had both reduced product and had been subject to the possibility of secondary pollution, reduced to greatest extent again that wheat bran is revealed and impurity flies upward, minimizing environmental pollution.Adopt dry method to extract the aleurone content in wheat bran, the moisture control of raw material is below 15%, and as milling by product, it is cheap that moisture content is less than 15% wheat bran, and wide material sources, can directly put into production without processing.
5, adopt dry method to extract wheat aleurone layer content in wheat bran and avoided dehydration to wheat aleurone layer product and dry technical process, extract the aleurone content in wheat bran by simple and direct method, also greatly the reservation of degree the nutritional labeling of wheat aleurone layer.
Detailed description of the invention
The wheat aleurone layer content that pure physical dry is extracted, this wheat aleurone layer content adopts following steps to be prepared:
1) wheat bran is sent into feed bin and stirred, store, the moisture content of described wheat bran is less than 15%;
2) wheat bran in feed bin is sent in High Rotation Speed, eddy current cutting mill equipment, by the mode of colliding, rubbing, rubbing and impacting, wheat bran is ground to form to the mixture that comprises grain graininess non-wheat aleurone layer component between 150-2000 μ m at the wheat aleurone layer component between 1.4-150 μ m and grain graininess;
3) use high-pressure suction fan that mixture is delivered in collector, the flow of described air-introduced machine is 2200-5500m
3/ h, total head is 4000-12000pa;
4) mixture in rewinding storehouse falls to the storehouse that connects material below discharge valve enters behind bottom, again mixture is used respectively air-introduced machine to suck in several cyclone dust collectors, by several discharge valves, mixture is sent in screening plant and screened and separate respectively, the sieve number of described screening plant is 100-120 order;
5) after mixture separates by screening plant, become respectively the wheat aleurone layer content that mainly comprises wheat aleurone layer component and the wheat bran fine powder that mainly comprises non-wheat aleurone layer component, use air-introduced machine that wheat aleurone layer content sucked in cyclone dust collectors, by discharge valve, wheat aleurone layer content sent into aleuron packing machine metering packing; Use air-introduced machine that wheat bran fine powder is sucked in cyclone dust collectors, by discharge valve, wheat bran fine powder is sent into wheat bran packing machine metering packing.
In the described wheat aleurone layer content making, be rich in wheat aleurone layer, dietary fiber content is greater than 25.0%, and in every 100 grams of described wheat aleurone layer contents, the content of alkyl-resorcin exceedes the content that 80mg, pentosan content exceed 15.0g, phosphorus and exceedes 700mg.Described wheat aleurone layer content is that average particle size is less than 75 μ m and (is preferably and is less than 50 μ powder-product m), described wheat aleurone layer content is to pass through High Rotation Speed, eddy current shear carries out peeling off of pure physics by wheat bran and makes, described High Rotation Speed, eddy current shear can make described wheat bran in stronger centrifugal field, obtain larger power acceleration, the impact velocity of material after Spin-up is up to 3000 revs/min, make described wheat bran in impact force, frictional force, rub under the synergy of the multiple mechanism such as power and impulsive force, between the particle of described wheat bran, produce violent collision, friction, rub and impact effect, thereby make described wheat aleurone layer content comparatively complete, fast, from described wheat bran, be stripped from out fully, cellular morphology and the various nutrition of described wheat aleurone layer content are saved preferably from damage.The volume mean diameter of described wheat aleurone layer content particle is 35-65 μ m, and area average diameter is 11-20 μ m, and specific area is 120-180m
2/ kg.
Table 1 is the detection data contrast to the relevant nutritive index of standard flour to wheat aleurone layer content of authoritative testing agency, can find with reference to table 1, protein, dietary fiber, alkyl-resorcin, pentosan, beta glucan, nicotinic acid, folic acid, pantothenic acid, sodium, potassium, phosphorus, magnesium, calcium, the zinc of the wheat aleurone layer content of producing by the present invention are higher than standard flour content, and energy, carbohydrate content are low.The wheat aleurone layer content that technique of the present invention is produced is all higher at wholesome component contents such as protein, dietary fiber, alkyl-resorcin, pentosan, beta glucan, nicotinic acid, folic acid, pantothenic acid, phosphorus, potassium, magnesium, zinc.The wheat aleurone layer content nutrition leak rate of producing by the present invention is low, and good palatability is suitable for most crowds edible.
Table 1 wheat aleurone layer content contrasts to the detection data of the relevant nutritive index of standard flour
It should be noted that, all equivalence variation or simple change of doing according to described structure, feature and the principle of patent design of the present invention, are included in the protection domain of patent of the present invention.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (3)
1. the wheat aleurone layer content that pure physical dry is extracted, it is characterized in that being rich in wheat aleurone layer in described wheat aleurone layer content, dietary fiber content is greater than 25.0%, in every 100 grams of described wheat aleurone layer contents, the content of alkyl-resorcin exceedes 80mg, pentosan content exceedes 15.0g, the content of phosphorus exceedes 700mg, described wheat aleurone layer content is the powder-product that average particle size is less than 75 μ m, described wheat aleurone layer content is to pass through High Rotation Speed, eddy current cutting mill equipment comparatively is intactly stripped from out from wheat bran particle.
2. the wheat aleurone layer content that a kind of pure physical dry as claimed in claim 1 is extracted, its supplementary features are that described wheat aleurone layer content is the powder-product that average particle size is less than 50 μ m.
3. the wheat aleurone layer content that a kind of pure physical dry as claimed in claim 1 is extracted, its supplementary features are that the volume mean diameter of described wheat aleurone layer content particle is 35-65 μ m, and area average diameter is 11-20 μ m, and specific area is 120-180m
2/ kg.
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| CN201410335936.XA CN104171838A (en) | 2014-07-15 | 2014-07-15 | Wheat aleurone layer content extracted by adopting pure physical dry process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105053804A (en) * | 2015-08-13 | 2015-11-18 | 山东知食坊食品科技有限公司 | Wheat aleurone layer content extracted by pure physical dry method as well as production technology and production line of wheat aleurone layer content |
| CN105639423A (en) * | 2016-01-08 | 2016-06-08 | 广东省食品工业研究所 | Oatmeal and preparation method of oatmeal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105053804A (en) * | 2015-08-13 | 2015-11-18 | 山东知食坊食品科技有限公司 | Wheat aleurone layer content extracted by pure physical dry method as well as production technology and production line of wheat aleurone layer content |
| CN105639423A (en) * | 2016-01-08 | 2016-06-08 | 广东省食品工业研究所 | Oatmeal and preparation method of oatmeal |
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