CN109805262A - Compound meal replacement powder of wheat germ containing wheat-bran dietary fiber and preparation method thereof - Google Patents

Abstract

The present invention provides a kind of compound meal replacement powder of the wheat embryo containing wheat-bran dietary fiber and preparation method thereof, the meal replacement powder includes the helper components such as desizing wheat embryo slurry, wheat-bran dietary fiber, curing wheat resistant starch, PURE WHEY, soybean protein isolate and Sucralose, lecithin and optional multi-vitamins.The present invention is based on the products based on wheat edible fiber, wheat embryo of wheat process deeply industry demand exploitation, with improvement flavor taste and trophic structure, it, which both can be used as the product of reconstituting and directly reconstitutes, drinks, and can also be used as the beneficial addO-on therapy and modified component of food processing especially cooked wheaten food cake class processing.

Description

Compound meal replacement powder of wheat germ containing wheat-bran dietary fiber and preparation method thereof

Technical field

The present invention relates to a kind of compound meal replacement powders of the wheat embryo containing wheat-bran dietary fiber and preparation method thereof, belong to food Manufacture field and nutritional field.

Background technique

The functional dietary fiber food ingredient and active constituent brand-new as one kind of functional food, have obtained people Be widely recognized as.But the appearance of modern age finer effective screen equipment, so that production is practically free of the flour of choosing of wheat bran Target be achieved.As the diet of people is subtilized, the increase of starch and fat intake, the fifties in 20th century is opened Begin, the modern civilization diseases such as hypertension, hyperlipidemia, hyperglycemia, obesity, constipation, painstaking effort cerebral disease, diabetes start attack the U.S. and The developed capitalist countries such as Europe, and gradually recognized the importance rich in dietary fiber food.

The fiber food that FAO (Food and Agriculture Organization of the United Nation) promulgates instructs outline to point out, should have 30- in the daily regular diet of Healthy People 50 g (dry weight) cellulose.It is 30 g/d left that the suitable intake of China's adult's dietary fiber is recommended by Chinese Soclety of Nutrition The right side, but the survey showed that for resident's nutrient health for issuing recently of China, dietary cellulosic takes the photograph people's amount and is only per capita at present in China 14 g/d or so.Developing has adjuvant treatment, the dietary fiber healthy food of prevention effect imperative, furthers investigate high living Property dietary fiber extraction process, be a current important topic in the hope of economic, high yield manufacturing condition.

China is one of the country that production wheat is more in the world, the 16.5% of world wheat yield is occupied, as small Wheat yield big country, the annual amount usable of the by-product wheat bran of wheat processing is then at 20,000,000 tons or so.Wheat bran is as small The principal by product of flour is mostly used for making wine, the traditional processings such as vinegar processed, feed, and the diet for the nearly half that it contains is fine Dimension does not obtain advantageous exploitation but.Wheat-bran dietary fiber is highly-safe, low in cost, is generally acknowledged natural food fibres.As Important dietary cellulosic resource, applying for wheat edible fiber is long in western history, then starts late in China.Even if mesh The research for adding dietary fiber in the products such as front packet, noodles also has very much, but often crude fibre, high-quality dietary fiber Content is less, and largely needs import.

In wheat bran structure, wheat bran includes pericarp in wheat seed structure, kind skin, megarchidium layer and aleurone, about Account for the 14-19% of entire wheat seed.But in actual flouring technology, due to the needs of the food processing technologies such as bread, biscuit And people pursue fine eating habit, what is often stripped is more.Nutritional ingredient in wheat bran is extremely abundant, protein In contain eight kinds of essential amino acids necessary to human body.In the primary amino acid for constituting protein, and with glutamic acid, smart ammonia Acid, glycine, asparatate, based on leucine, also containing mineral matter elements such as Mg, Ca, K, P, Zn, Mn；Vitamins Contain tocopherol, pantothenic acid, choline, inositol, niacin etc..Therefore, in the extraction process of dietary fiber, retain most of wheat bran battalion It forms point and improves color and mouthfeel, it appears is particularly important.Meanwhile wheat bran first has to as raw material is extracted by washing drying It is spare, a kind of removal that is energy-efficient and being conducive to the impurity such as albumen, starch is sought, while dietary fiber recovery rate can be improved Drying means is imperative.

In addition, another Main By product of wheat processing is wheat embryo, wheat embryo is the device of wheat germination and growth One of official accounts for about the 2.5% of entire wheat, and plumule is the root of wheat life, is the highest part of nutritive value in wheat.It is small Contain various bioactivators in wheat germ, mainly includes wheat germ agglutinin, glutathione, VE, VB, n-octacosanol, Huang Ketone compounds etc., they not only have the function of anti-oxidant, raising immunity of organisms, moreover it is possible to enhance motion function；Due to small Wheat germ protein digestibility is high, good fluidity, and taste is neutral, and Glutamic Acid and proline content are higher, in addition wheat embryo In have the human bodies such as calcium, iron, zinc, magnesium indispensable mineral element, this make wheat embryo become preferable albumen Intake of the source.So And it is extremely low for the utilization rate of wheat embryo and functional component recovery rate at present, it is often that the wheat germ after degreasing is discarded or straight It connects and causes the serious waste of resource as feed, thus, the extraction process for carrying out wheat embryo has preferable economic benefit And social benefit.

Currently, it is less based on the research of the comprehensive processing and utilization of Semen Tritici aestivi fiber and plumule, in view of the nutrition composition of wheat gluten The edible product of unicity, the reasonably combined component such as compound other plant source protein and animal derived protein has not been reported, the prior art In have the patent of certain correlation that can be listed below.

CN107751502 discloses a kind of processing method of wheat germ tea, and wheat embryo is pre-processed work through curing Skill, soaking technology, refining process, filtering technique, allocating technology, homogenization, the processing of canned process for sterilizing, obtain wheat Young tea leaves.It is characterized in that, the present invention bakes the method for thermalization using low temperature to retain the nutritional ingredient of wheat embryo, prevent The unnecessary loss of product work in-process；Enter defibrination workshop section using soaking water and wheat embryo starting materials, effectively retains Water soluble vitamin and microelement, the juice produced are in off-white color emulsus, have normal wheat germ fragrance, nutrient mentions Take rate and yield higher.But this method is not handled plumule deep processing, does not remove bitter taste, variegated, nutrition is single, liquid system Product stability is poor, stores intolerant to transport.

CN104799195 discloses a kind of preparation method of instant wheat plumule piece, which is characterized in that including following step It is rapid: 1, wheat embryo, walnut, grape seed ultramicro-farina is broken to 500-600 mesh, obtains mixed powder after mixing according to parts by weight, The ethanol water and 0.8-1% zinc citrate for accounting for 2-3 times of quality of mixed powder is added, 60-90 min is stood at 40-50 DEG C, is obtained Mixed powder；2, auricularia auriculajudae powder, sucrose and chitosan are added into mixed powder, to being gelatinized, cooling is dry for boiling；Wherein, wheat embryo 40-50 parts of powder, 10-15 parts of auricularia auriculajudae powder, 10-15 parts of walnut powder, 5-8 parts of grape pip powder, 3-5 parts of sucrose, 3-5 parts of chitosan；3, It is pressed into thin slice through flaking machine after drying, thin slice is toasted into 1 min at 95-100 DEG C, then heats to 240 DEG C of baking 1.5-2 Min is to get product.

CN105851874 discloses a kind of instant wheat plumule paste and preparation method thereof, belongs to field of deep processing of grains.It is main Want through the following steps that realizing: stabilization processes can inhibit the hydrolysis of grease in wheat embryo rancid and oxidative rancidity, mention The stability of high wheat embryo keeps the commodity property and nutritive value of wheat germ；Color sorting removes the black embryo in wheat embryo, protects The good organoleptic quality of wheat germ powder is demonstrate,proved, a possibility that doing harm to huamn body is reduced；Degreasing can extend the guarantor of wheat germ powder The matter phase；It pulverizes, is prepared into uniform, fine and smooth powder, pulverize smaller on nutritional ingredient original in wheat germ influence；Make It is roasted with Continuous Electromagnetic baking apparatus, so that wheat germ powder is generated fragrance matter during frying, while energy consumption can be reduced, grasped Make process simplification and production cost is low.

A kind of preparation method of instant wheat plumule of CN104799198, this method specifically includes following steps will be fresh Wheat embryo carries out freeze thawing；Tartaric acid and Rhizoma Chuanxiong extracting solution will be added in wheat embryo after freeze thawing, impregnates；It will be small after immersion Wheat germ boiling；Micro-wave drying will be carried out after wheat embryo drying after boiling.Preparation method provided by the invention The wheat embryo of simple process, preparation can directly eat, and mouthfeel is crisp, also can be made other food, as major ingredient or Auxiliary material is added.Characterized by comprising the following steps: 1, fresh wheat embryo is subjected to freeze thawing；2, after freeze-thaw Tartaric acid and Rhizoma Chuanxiong extracting solution are added in wheat embryo, under the conditions of 40-50 DEG C, is filtered after impregnating 2-3 h；The tartaric acid Additional amount is the 0.05-0.08% of wheat embryo weight；The wheat embryo is 1g:5-7mL with the solid-liquid ratio of Rhizoma Chuanxiong extracting solution； The Rhizoma Chuanxiong extracting solution the preparation method comprises the following steps: 50-100 part ethyl alcohol and 100-200 parts of water are added in 10-15 parts of Rhizoma Chuanxiongs, heat It is filtered after boiling 40min, is cooled to 40-50 DEG C, the number is parts by weight；3, by the wheat embryo boiling after immersion； 4, micro-wave drying will be carried out after the wheat embryo drying after boiling.

The above-mentioned class of wheat embryo in the prior art beverage mainly obtains extracting solution by water extraction, and the increase of other auxiliary materials is added Flavor taste and stability, but since wheat embryo stability is poor, not specially treated plumule bitterness property leads to mouthfeel Difference, liquid beverage Storage period is short, and exists and transport inconvenient defect.And solid plumule based article plumule content is low, often with other Component simply compounds, and trophic structure is unreasonable, is only capable of limiting it as snack food and reconstituting, as food processing addition group Point etc. purposes.

As described above, although the prior art provides various wheat germ products and preparation method thereof, effect and Nutrition composition is single, and the edible products of another beneficial by-product wheat-bran dietary fiber of compound wheat deep processing have not been reported.

Summary of the invention

As described above, the technical problem to be solved by the present invention is to overcome wheat deep processing in the prior art and wheat germ products It is insufficient, it is desirable to provide a kind of compound wheat-bran dietary fiber, the wheat embryo containing wheat-bran dietary fiber with good taste it is multiple Close meal replacement powder and preparation method thereof.

It is an object of the present invention to face the two big by-product-wheat bran and plumule of wheat processing, it is based on wheat deep processing And the industry of byproduct comprehensive utilization needs, by other reasonable nutrition compositions of arranging in pairs or groups, exploitation is based on wheat edible fiber, small The composite article of wheat germ；In purposes, it both can be used as nutrition and reconstitute product and directly reconstitute and drunk, and can also be used as food and add The beneficial addO-on therapy of work especially cooked wheaten food cake class processing.

Specifically, technical solution of the present invention is as follows.

First aspect, the present invention provides a kind of compound meal replacement powder preparation sides of the wheat embryo containing wheat-bran dietary fiber Method includes the following steps:

S1: the first mixed solution of preparation；

S2: the second mixed solution of preparation；

S3: preparation mixes liquid entirely；

S4: Cheng Fen, obtain the compound meal replacement powder of wheat embryo containing wheat-bran dietary fiber.

In the compound meal replacement powder preparation method of the wheat embryo, the step S1 specifically comprises the following steps:

S1-1: the desizing wheat embryo slurry of concentration is prepared；

S1-2: distilled water being added into the desizing wheat embryo of concentration slurry, and preparation solid content is 30-50 wt% Plumule starch solution, then heat to 40-50 DEG C, by appropriate PURE WHEY, soybean protein isolate and Sucralose disperse In the plumule slurries, mix to uniformly, to obtain the first mixed solution.

Wherein, in the step S1-2, desizing wheat embryo based on wheat germ powder poidometer slurry solids, The mass ratio of PURE WHEY, soybean protein isolate and Sucralose is 100:30-50:40-60:0.1-0.5.

Wherein, PURE WHEY, soybean protein isolate are all very well known high nutrition albumen, can pass through a variety of business canals Road purchase obtains, and is no longer described in detail herein.

S2: the second mixed solution of preparation

(1) wheat-bran dietary fiber and curing wheat resistant starch are prepared；

(2) in the second mixing vessel, it is 20- that the curing wheat resistant starch of preparation, which is prepared solid content with distilled water, The solution of 40 wt%, is warming up to 50-60 DEG C, is added with stirring the wheat-bran dietary fiber prepared in right amount, soybean lecithin and appoints The multi-vitamins of choosing, according to the additional amount of additive with distilled water adjust solution viscosity to compared with scattered paste shape object in favor of stirring, It is mixed in a mixer until uniformly, obtaining the second mixed solution, wherein by weight, wheat resistant starch, wheat bran The mass ratio of dietary fiber, lecithin and optional multi-vitamins is 30:80-120:1-5:0.05-0.3；

S3: preparation mixes liquid entirely

Starch solids according to desizing wheat embryo: the ratio that curing wheat resistant starch mass ratio is 100:20-30 will fit Second mixed solution of amount is slowly added into the first mixed solution, and is sufficiently mixed in the first mixer；Then rise To 55-60 DEG C, with lemon acid for adjusting pH to 6.5-6.8, suitable trehalose, carboxymethyl cellulose and Arabic gum is added in temperature, Wherein the additive amount of the trehalose, carboxymethyl cellulose and Arabic gum is respectively 2-3%, 1- of wheat embryo slurry solids 2%, 1-1.5% is mixed evenly, and obtains mixing liquid entirely；

S4: Cheng Fen

By mixed entirely mixed liquid in high pressure homogenizer homogeneous 2-3 times under 30-50 atmospheric pressure, 90-95 DEG C of pasteurization 20- 30 min, are then spray-dried in spray dryer, and the compound meal replacement powder of wheat embryo containing wheat-bran dietary fiber is made；Gained Nitrogen charging is sealed after granular powder fills capsule box or edible packaging bag, is saved.

Wherein, the lecithin is soybean lecithin.

Wherein, the multi-vitamins in vitamin B, C, D, E race at least two, specifically such as vitamin C, Vitamin B12, vitamine D3, vitamin B1, vitamin B2, vitamin B6 etc..

Wherein, full-mixing type also can be directly used in raw material hybrid mode of the present invention, but based on each component water solubility and divides The difference of property property is dissipated, to obtain preferably dispersion and homogeneous effect, the mode preferably premixed respectively.

Wherein, the compound meal replacement powder particle median of gained is at 80-120 microns.

Wherein, in the method for the present invention, the preparation step that desizing wheat embryo is starched in the step S1 is as follows:

1) wheat embryo newly extracted reduces moisture content in 50-60 DEG C of drying and processing 30-60 min；Then at 95-100 DEG C Processing bake to inactivate lipoxidase and promote Maillard reaction, it is micro- to be baked to color by baking time 15-30 min Huang, aromatic spilling；

2) wheat embryo of drying is crushed in micronizer, crosses 120 or 140 meshes, obtains the full germ flour of wheat；

3) the full germ flour of wheat is dissolved in distilled water by the mass ratio of 1:8-10, heating stirring sufficiently dissolves, and α-shallow lake is added Powder enzyme constant temperature enzyme digestion reaction 1-2h at 80-90 DEG C, wherein alpha-amylase dosage is 40-50 U/g germ flour；

4) it in 100-105 DEG C of high temperature enzyme deactivation 25-30 min, is cooled to room temperature；Food grade active charcoal is added to be decolourized, remove hardship, Filtering, obtains plumule hydrolyzate；

5) by gained plumule hydrolyzate vacuum-concentrcted, so that the desizing wheat embryo slurry of concentration is made, pasteurization, Cryo-conservation.

Wherein, total solid content is not less than 50%, preferably 60% in the desizing wheat embryo slurry of the concentration.

Wherein, the food grade active charcoal is powder-type active carbon or granular pattern active carbon, preferably granular pattern active carbon.

Wherein, in the ultramicro grinding, preferred 140 mesh of mistake of powder.

In the method for the present invention, the preparation step of wheat-bran dietary fiber is as follows in the step S2:

1) impurity and residual starch in wheat crushing processing gained wheat bran are screened out with micropore screen, wheat bran sterile water is clear 1-2 times, drying drying are washed, the wheat bran after drying is pulverized in pulverizer and crossed 140 meshes, control wheat bran fragment is basic In 100 microns；

2) smashed wheat bran and water are added in airtight heating kettle by the weight ratio of 1:5-6, be heated to 60-65 DEG C it is soft Change pretreatment 20-30 minutes, then carries out preliminary enzymolysis processing；

3) preliminary enzymolysis process are as follows: the wheat bran solution of sofening treatment is warming up to 75-80 DEG C, addition accounts for wheat bran dry weight 0.3- The fire resistant alpha-diastase of 0.4wt%, constant temperature digest 1-2 h；After being cooled to 35-37 DEG C, addition accounts for wheat bran dry weight 0.1-0.2 wt% Neutral proteinase, digest 1.5-2 h in 35-37 DEG C of constant temperature, material be heated to 100 DEG C of high temperature enzyme deactivations, continues 30 min；

4) wheat bran enzymolysis liquid obtained by above-mentioned enzymatic hydrolysis is cooled to room temperature, is filtered, filter residue washes 1-3 extremely limpid no muddiness, then Distilled water is added by the weight ratio of 1:4-5, is warming up to 55-60 DEG C, adjusts pH to 6.5, zytase is added and carries out secondary enzyme Solution, the additional amount of zytase are 30-40 U/g wheat bran, and constant temperature hydrolyzes 4-6 hours；

5) gained secondary enzymatic solution is cooled to room temperature in 100-105 DEG C of high temperature enzyme deactivation 10-15 min, sterile water washing 1-2 3000-4000 r/min centrifugal dehydration after secondary, obtains hydrolysis wheat bran product wheat-bran dietary fiber wet feed, and drying is dry to moisture content Content is lower than 5%, sterilizes, kept dry.

Wherein, wheat-bran dietary fiber length obtained by the above method is substantially within 100 microns.

In the method for the present invention, the preparation step that wheat resistant starch is cured in the step S2 is as follows:

1) the wheaten starch cream that mass fraction is 35% is prepared with wheaten starch and distilled water, adjusts pH to 7, be placed in 3-5 big In the hyperbaric heating reaction kettle of air pressure, nitrogen displaced air in kettle, heating carries out high voltage driving IC 30-60 min under stiring, Heating temperature is 130-135 DEG C；

2) it deflates and depressurizes after high voltage driving IC, be cooled to 60-70 DEG C, solution system pH value is adjusted to 4.5, general Shandong indigo plant enzyme is added It carries out digesting de- branch processing, wherein the enzyme concentration of addition is 15-20 U/g starch, and constant temperature digests 6-8 h；

3) it by gained enzymolysis liquid high temperature enzyme deactivation 15-20 min, is cooled to room temperature, is placed in refrigeration 18-24 h at 4 DEG C, dries drying It is lower than 3% to water content, 120 meshes are crossed in grinder grinding, obtain curing wheat resistant starch.

Wherein, in gained aging starch the content of resistant starch 15% or more.

Wherein, the temperature of the enzymolysis liquid high temperature enzyme deactivation is 95-100 DEG C, preferably 95-97 DEG C.

The second aspect of the invention provides the wheat embryo as made from above-mentioned preparation method containing wheat-bran dietary fiber Compound meal replacement powder.

The third aspect of the invention provides the purposes of the meal replacement powder, can be used as the product of reconstituting directly reconstitute it is edible, The additive that can also be used as food processing is used for the addO-on therapy of wheaten food.

Wherein, when it is used as wheaten food additive, additive amount is preferably 10-60 wt%.

In the meal replacement powder of the invention, it is related to the " comprising " of composition, had both contained open "include", "comprise" Deng and its similar meaning, also contain enclosed " Consists of " etc. and its similar meaning.

Beneficial effects of the present invention further include but are not limited to following:

1) principal by product of wheat bran and plumule as wheat flour is mostly used for the traditional processings such as wine brewing, feed.Wherein wheat Dietary fiber is highly-safe in bran, low in cost, is generally acknowledged natural food fibres.The present invention develops fine based on wheat diet Dimension, the method for comprehensive utilization of wheat embryo and its product, have started the approach of field of food wheat deep processing.

2) present invention retains most of nutritional ingredients and improves in the extraction process of the components such as dietary fiber and plumule Color and mouthfeel compound the components such as other plant and animal derived protein, supplemented with protein content in wheat bran and plumule and type Deficiency is aided with the components such as Sucralose low in calories, lecithin and trehalose, has improved flavor taste and trophic structure, And absorbing proteins rate is high, nutrition is balanced.

3) product of the present invention with low carbohydrate content, it is low in calories (wherein Sweetener Sucralose have high sugariness While almost zero calory property), high protein, high dietary-fiber feature, there is a variety of applicabilities, shelf-life in purposes It is long, it is easy to carry；Dissolution in low temperature is wherein not only increased by the modification carried out to starch, also there is reduced postprandial blood sugar Effect is increased, therefore is suitble to the various people including hyperglycemia edible, nutrition had both been can be used as and reconstitutes product and directly reconstitute and drunk, It can also be used as the beneficial addO-on therapy and modified component of food processing especially cooked wheaten food cake class processing.

4) preparation method of the present invention is simple, is suitble to large-scale production, has a good application prospect and market value.

Specific embodiment

Below by specific preparation example and embodiment, the present invention is described in detail, but these exemplary embodiments Purposes and purpose be only used to enumerate the present invention, any type of any limit not is constituted to real protection scope of the invention It is fixed, it is more non-that protection scope of the present invention is confined to this.

Preparation example 1

Preparation curing wheat resistant starch

1) wheaten starch 1 kg of cream that mass fraction is 35% is prepared with wheaten starch and distilled water, adjusts pH to 7, is placed in 5 In the hyperbaric heating reaction kettle of atmospheric pressure, nitrogen displaced air in kettle, heating carries out 60 min of high voltage driving IC under stiring, adds Hot temperature is 130 DEG C；

2) it deflates and depressurizes after high voltage driving IC, be cooled to 60 DEG C, solution system pH value is adjusted to 4.5, general Shandong indigo plant enzyme is added and carries out Digest de- branch processing, wherein the enzyme concentration of addition is 20 U/g starch, and constant temperature digests 6 h；

3) it by 95 DEG C of 20 min of high temperature enzyme deactivation of gained enzymolysis liquid, is cooled to room temperature, is placed at 4 DEG C and refrigerates 24 h, drying is dry extremely Water content is lower than 3%, and 120 meshes are crossed in grinder grinding, obtains curing wheat resistant starch.

Wherein, in gained aging starch resistant starch content about 18%.

Preparation example 2

Prepare wheat-bran dietary fiber

1) impurity and residual starch in wheat crushing processing gained wheat bran are screened out with 1 mm micropore screen, by wheat bran with sterile Water cleans 2 times, drying drying, and the wheat bran after drying is pulverized in pulverizer and crosses 140 meshes；

2) smashed 1 kg of wheat bran and 6L pure water are added in airtight heating kettle, are heated to 65 DEG C of softening pretreatments 20 Minute, then carry out preliminary enzymolysis processing；

3) preliminary enzymolysis process are as follows: the wheat bran solution of sofening treatment is warming up to 75 DEG C, addition accounts for 0.4 wt%'s of wheat bran dry weight Fire resistant alpha-diastase, constant temperature digest 2h；After being cooled to 37 DEG C, the neutral proteinase for accounting for 0.2 wt% of wheat bran dry weight is added, in 37 DEG C Constant temperature digests 2 h, and material is heated to 100 DEG C of high temperature enzyme deactivations, continues 30 min；

4) wheat bran enzymolysis liquid obtained by above-mentioned enzymatic hydrolysis is cooled to room temperature, filters pressing filtering, filter residue washes 2 extremely limpid no muddinesses, so After 4 L distilled water are added, be warming up to 55 DEG C, adjust pH to 6.5, zytase is added and carries out secondary enzymolysis, zytase plus Entering amount is 40 U/g wheat bran, and constant temperature hydrolyzes 5 hours；

5) gained secondary enzymatic solution is cooled to room temperature in 100 DEG C of 15 min of high temperature enzyme deactivation, 4000 after sterile water washing 2 times R/min centrifugal dehydration obtains hydrolysis wheat bran product wheat-bran dietary fiber wet feed, and drying is dry to be lower than 5% to moisture content content, goes out Bacterium, kept dry.About 280 g of gained wheat-bran dietary fiber, length is substantially within 100 microns.

Preparation example 3

Prepare desizing wheat embryo slurry

1) 1 kg of wheat embryo newly extracted reduces moisture content in 60 DEG C of drying and processing 60min；Then dried at 95 DEG C Roasting processing is to inactivate lipoxidase and promote Maillard reaction, 20 min of baking time, is baked to the micro- Huang of color, aromatic to overflow Out；

2) wheat embryo of drying is crushed in micronizer, crosses 140 meshes, obtains the full germ flour of wheat；

3) the full germ flour of wheat is dissolved in 10L distilled water, heating stirring sufficiently dissolves, and alpha-amylase is added at 80 DEG C 2 h of constant temperature enzyme digestion reaction, wherein alpha-amylase dosage is 50 U/g germ flours；

4) gained enzymolysis liquid is cooled to room temperature in 105 DEG C of 25 min of high temperature enzyme deactivation；Food-grade particles active carbon is added to be taken off Color removes hardship 3h, and filtering obtains plumule hydrolyzate；

5) by gained plumule hydrolyzate vacuum-concentrcted, so that the desizing wheat embryo that concentration is made starches about 1.7 kg, About 54 wt% of solid content, cryo-conservation after pasteurization.

Embodiment 1

The compound meal replacement powder preparation of wheat embryo containing wheat-bran dietary fiber

Steps are as follows:

S1: the first mixed solution of preparation

(1) 60 wt% concentration desizing wheat embryo slurry is prepared according to above-mentioned preparation example method；

(2) in the first mixing vessel, distilled water preparation solid content, which is added, using concentration desizing wheat embryo slurry is The plumule of 40 wt% starches 250 g of solution, is warming up to 50 DEG C, and PURE WHEY, soybean protein isolate and Sucralose are dispersed In plumule slurries, mix to uniformly, obtain the first mixed solution, wherein PURE WHEY, soybean protein isolate and The addition quality of Sucralose is respectively 30 g, 40 g and 0.3 g；

S2: the second mixed solution of preparation

(1) wheat-bran dietary fiber and curing wheat resistant starch are prepared according to above-mentioned preparation example method；

(2) in the second mixing vessel, it is 30 that the curing wheat resistant starch distilled water of preparation, which is prepared solid content, 100 g of solution of wt%, is warming up to 60 DEG C, is added with stirring the wheat-bran dietary fiber, soybean lecithin and dimension life of above-mentioned preparation The multi-vitamins of plain B2, C equal weight proportions, wherein the addition matter of wheat-bran dietary fiber, soybean lecithin and multi-vitamins Amount is respectively 80 g, 2 g and 0.1 g, adds 60 ml of distilled water, is mixed until uniformly, obtaining the second mixed solution；

S3: preparation mixes liquid entirely

Second mixed solution made from above-mentioned steps is slowly all added in the first mixed solution, and in the first mixer It is sufficiently mixed；Then raise temperature to 60 DEG C, with lemon acid for adjusting pH to 6.5, be added trehalose, carboxymethyl cellulose and I Primary glue is mixed wherein the additive amount of the trehalose, carboxymethyl cellulose and Arabic gum is respectively 2 g, 1 g and 1 g Uniformly, it obtains mixing liquid entirely；

S4: Cheng Fen

By mixed entirely mixed liquid in high pressure homogenizer homogeneous 2 times under 30 atmospheric pressure, 95 DEG C of 20 min of pasteurization, then It is spray-dried in spray dryer, controls product moisture content in 5%, it is compound that the wheat embryo containing wheat-bran dietary fiber is made Meal replacement powder, particle median is in 100 microns；Nitrogen charging is sealed after the edible packaging bag of gained meal replacement powder, is saved.

Meal replacement powder particle obtained by the present embodiment distributes light olibanum gas and wheat germ is fragrant in slightly filbert, complete at 25 DEG C The fully dissolved time is less than 5S, and 50% solution left standstill, 30 min distributes wheat olibanum, mouthfeel sugariness without obvious lamination, 70 DEG C of thermosols Moderate, fine and smooth soft and smooth, no fiber scrapes larynx sense, no bitter taste astringent taste.

Embodiment 2

The compound meal replacement powder preparation of wheat embryo containing wheat-bran dietary fiber

Steps are as follows:

S1: the first mixed solution of preparation

(1) 60 wt% concentration desizing wheat embryo slurry is prepared according to above-mentioned preparation example method；

(2) in the first mixing vessel, distilled water is added using the concentration desizing wheat embryo slurry of preparation and prepares solid content The plumule that content is 40 wt% starches 2.5 kg of solution, 50 DEG C is warming up to, by PURE WHEY, soybean protein isolate and trichlorine sugarcane Sugar is dispersed in plumule slurries, is mixed to uniformly, is obtained the first mixed solution, wherein PURE WHEY, soybean separation protein White and Sucralose quality amount ratio is 0.5 kg, 0.6 kg and 5.5 g；

S2: the second mixed solution of preparation

(1) wheat-bran dietary fiber and curing wheat resistant starch are prepared according to above-mentioned preparation example method；

(2) in the second mixing vessel, it is 20 that the curing wheat resistant starch distilled water of preparation, which is prepared solid content, 1 kg of solution of wt%, is warming up to 60 DEG C, is added with stirring wheat-bran dietary fiber, the soybean lecithin of above-mentioned preparation, wheat bran diet Fiber, soybean lecithin addition quality be respectively 800 g and 32 g, add 500 ml of distilled water adjustment concentration, mixing is stirred It mixes until uniformly, obtaining the second mixed solution；

S3: preparation mixes liquid entirely

Second mixed solution made from above-mentioned steps is slowly all added in the first mixed solution, and in the first mixer It is sufficiently mixed；Then raise temperature to 60 DEG C, with lemon acid for adjusting pH to 6.8, be added trehalose, carboxymethyl cellulose and I Primary glue, additive amount are respectively 30 g, 15 g and 10 g, are mixed evenly, and obtain mixing liquid entirely；

S4: Cheng Fen

By mixed entirely mixed liquid in high pressure homogenizer homogeneous 3 times under 50 atmospheric pressure, 95 DEG C of 30 min of pasteurization, then It is spray-dried in spray dryer, the wheat embryo containing wheat-bran dietary fiber that median is made in 110 microns is multiple Close meal replacement powder.

Effect example

The compound meal replacement powder of wheat embryo containing wheat-bran dietary fiber prepared by embodiment 2 is added to the rich and powerful flour of common wheat In, 15 wt% of adding proportion, according to conventional method in that art make vermicelli, and with no added common wheat superior wheat flour vermicelli into Row is cooked to be compared.

The result shows that although the shortening noodles surface color of the addition compound meal replacement powder of wheat embryo, slickness are declined, But toughness, biceps enhance, rich in taste degree improves, and is not easy to bond (especially suitable macaroni) out after boiling water, has richer Rich trophic component, overall organoleptic, which scores, to be increased.

It should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit protection model of the invention It encloses.In addition, it should also be understood that, after reading the technical contents of the present invention, those skilled in the art can make the present invention each Kind change, modification and/or variation, all these equivalent forms equally fall within guarantor defined by the application the appended claims Within the scope of shield.

Claims (10)

1. a kind of compound meal replacement powder preparation method of wheat embryo containing wheat-bran dietary fiber, which is characterized in that preparation step is as follows:

S1: the first mixed solution of preparation

(1) the desizing wheat embryo slurry of preparation concentration；

(2) in the first mixing vessel, distilled water is added using the concentration desizing wheat embryo slurry of preparation and prepares solid content The plumule that content is 30-50 wt% starches solution, 40-50 DEG C is warming up to, by appropriate PURE WHEY, soybean protein isolate and three Chlorine sucrose is dispersed in plumule slurries, is mixed to uniformly, is obtained the first mixed solution；

S2: the second mixed solution of preparation

(1) wheat-bran dietary fiber and curing wheat resistant starch are prepared；

(2) in the second mixing vessel, it is 20- that the curing wheat resistant starch of preparation, which is prepared solid content with distilled water, The solution of 40wt%, is warming up to 50-60 DEG C, be added with stirring the wheat-bran dietary fiber prepared in right amount, soybean lecithin and optionally Multi-vitamins, distilled water adjust solution viscosity, in a mixer be mixed until uniformly, obtain the second mixed solution；

S3: preparation mixes liquid entirely

(1) solids is starched according to desizing wheat embryo: the ratio that curing wheat resistant starch mass ratio is 100:20-30, Suitable second mixed solution is slowly added into the first mixed solution, and is sufficiently mixed in the first mixer；

(2) 55-60 DEG C is then raised temperature to, with lemon acid for adjusting pH to 6.5-6.8, suitable trehalose, carboxymethyl cellulose is added Element and Arabic gum, wherein the additive amount of the trehalose, carboxymethyl cellulose and Arabic gum is respectively that wheat embryo slurry is solid 2-3%, 1-2%, 1-1.5% of body object, are mixed evenly, and obtain mixing liquid entirely；

S4: Cheng Fen

By mixed entirely mixed liquid in high pressure homogenizer homogeneous 2-3 times under 30-50 atmospheric pressure, 90-95 DEG C of pasteurization 20- 30 min, are then spray-dried in spray dryer, and the compound meal replacement powder of wheat embryo containing wheat-bran dietary fiber is made；Envelope Dress saves.

2. preparation method as described in claim 1, it is characterised in that: in the step S1, by weight, desizingization is small The quality amount ratio that wheat germ starches solid content, PURE WHEY, soybean protein isolate and Sucralose is 100:30-50:40- 60:0.1-0.5。

3. preparation method as described in claim 1, it is characterised in that: in the step S2, by weight, wheat resistance is formed sediment Powder, wheat-bran dietary fiber, lecithin and optional multi-vitamins mass ratio be 30:80-120:1-5:0.05-0.3.

4. preparation method as described in claim 1, it is characterised in that: the multi-vitamins are selected from vitamin B, vitamin C, vitamin D, at least two in vitamin E.

5. the preparation method as described in claim 1-4, it is characterised in that: desizing wheat embryo is starched in the step S1 Preparation step is as follows:

1) wheat embryo is newly mentioned in 50-60 DEG C of drying and processing 30-60 min, reduces moisture content；Then carried out at 95-100 DEG C Processing is baked to inactivate lipoxidase, baking time 15-30 min is baked to the micro- Huang of color, aromatic spilling；

2) wheat embryo of drying is crushed in micronizer, crosses 120 or 140 meshes, obtains the full germ flour of wheat；

3) the full germ flour of wheat is dissolved in distilled water by the mass ratio of 1:8-10, heating stirring sufficiently dissolves, and α-shallow lake is added Powder enzyme constant temperature enzyme digestion reaction 1-2h at 80-90 DEG C, wherein alpha-amylase dosage is 40-50U/g germ flour；

4) it in 100-105 DEG C of high temperature enzyme deactivation 25-30min, is cooled to room temperature；Food grade active charcoal is added to be decolourized, remove hardship, Filtering, obtains plumule hydrolyzate；

5) by gained plumule hydrolyzate vacuum-concentrcted, so that the desizing wheat embryo slurry of concentration be made, Pasteur is gone out Bacterium, cryo-conservation.

6. the preparation method as described in claim 1-4, it is characterised in that: the preparation step of wheat-bran dietary fiber in the step S2 It is rapid as follows:

1) impurity and residual starch in wheat crushing processing gained wheat bran are screened out with micropore screen, wheat bran sterile water is clear 1-2 times, drying drying are washed, the wheat bran after drying is pulverized in pulverizer and crosses 140 meshes；

2) smashed wheat bran and water are added in airtight heating kettle by the weight ratio of 1:5-6, be heated to 60-65 DEG C it is soft Change pretreatment 20-30 minutes, then carries out preliminary enzymolysis processing；

3) preliminary enzymolysis process are as follows: the wheat bran solution of sofening treatment is warming up to 75-80 DEG C, addition accounts for wheat bran dry weight 0.3- The fire resistant alpha-diastase of 0.4wt%, constant temperature digest 1-2h；After being cooled to 35-37 DEG C, addition accounts for wheat bran dry weight 0.1-0.2wt%'s Neutral proteinase digests 1.5-2h in 35-37 DEG C of constant temperature, material is heated to 100 DEG C of high temperature enzyme deactivations, continues 30min；

4) wheat bran enzymolysis liquid obtained by above-mentioned enzymatic hydrolysis is cooled to room temperature, is filtered, filter residue washes 1-3 extremely limpid no muddiness, then Distilled water is added by the weight ratio of 1:4-5, is warming up to 55-60 DEG C, adjusts pH to 6.5, zytase is added and carries out secondary enzyme Solution, the additional amount of zytase are 30-40U/g wheat bran, and constant temperature hydrolyzes 4-6 hours；

5) gained secondary enzymatic solution is cooled to room temperature in 100-105 DEG C of high temperature enzyme deactivation 10-15min, sterile water washing 1-2 times 3000-4000r/min centrifugal dehydration afterwards, obtains hydrolysis wheat bran product wheat-bran dietary fiber wet feed, and drying drying to moisture content contains Amount is lower than 5%, sterilizes, kept dry.

7. the preparation method as described in claim 1-4, it is characterised in that: cure the system of wheat resistant starch in the step S2 It is standby that steps are as follows:

1) the wheaten starch cream that mass fraction is 35% is prepared with wheaten starch and distilled water, adjusts pH to 7, be placed in 3-5 big In the hyperbaric heating reaction kettle of air pressure, nitrogen displaced air in kettle, heating carries out high voltage driving IC 30-60min under stiring, adds Hot temperature is 130-135 DEG C；

2) it deflates and depressurizes after high voltage driving IC, be cooled to 60-70 DEG C, solution system pH value is adjusted to 4.5, general Shandong indigo plant enzyme is added It carries out digesting de- branch processing, wherein the enzyme concentration of addition is 15-20U/g starch, and constant temperature digests 6-8h；

3) it by gained enzymolysis liquid high temperature enzyme deactivation 15-20min, is cooled to room temperature, is placed at 4 DEG C and refrigerates 18-24h, drying is dry extremely Water content is lower than 3%, and 120 meshes are crossed in grinder grinding, obtains curing wheat resistant starch.

8. preparation method as claimed in claim 7, it is characterised in that: the temperature of the enzymolysis liquid high temperature enzyme deactivation is 95-100 ℃。

9. the compound generation meal of any one of -8 preparation method wheat embryos obtained containing wheat-bran dietary fiber according to claim 1 Powder.

10. the purposes of meal replacement powder as claimed in claim 9, which is characterized in that for reconstituting edible or flour additive.