CN100342795C - Vegetable protein combination containing alkaline-earth metal salt and preparation method thereof - Google Patents

Vegetable protein combination containing alkaline-earth metal salt and preparation method thereof Download PDF

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CN100342795C
CN100342795C CNB2004100880915A CN200410088091A CN100342795C CN 100342795 C CN100342795 C CN 100342795C CN B2004100880915 A CNB2004100880915 A CN B2004100880915A CN 200410088091 A CN200410088091 A CN 200410088091A CN 100342795 C CN100342795 C CN 100342795C
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earth metal
alkaline
alkaline earth
hydrated gel
vegetable protein
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CN1698453A (en
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M·J·乔
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Central Soya Co Inc
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Central Soya Co Inc
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Abstract

The present invention relates to a vegetable protein composition strengthened by alkaline earth metal dispersing in hydrous media, which comprises hydrous slurry of vegetable protein material and hydrated gel of alkaline earth phosphates. The content of the alkaline earth metal in the protein composition strengthened by the alkaline earth metal is about 3 wt% to 12 wt% measured by dry weight, and stable suspension liquid is formed in the hydrous media by the vegetable protein composition strengthened by the alkaline earth metal. The present invention also relates to a preparation method for the protein composition which is rich in minerals and is used for preparing food. In the method, the hydrous slurry of vegetable protein material is mixed with the hydrated gel of alkaline earth phosphates, wherein the hydrated gel of alkaline earth phosphates is prepared by the following steps: hydrous slurry of alkaline earth metal hydroxides is formed, wherein the alkaline earth metal hydroxide accounts for at least 2 wt% of the slurry, and phosphoric acid is fast added into the slurry of alkaline earth metal hydroxides; the slurry of the alkaline earth metal hydroxides and the phosphoric acid are forcedly mixed and are homogenized so as to form gel, wherein the content of solid gel accounts for at least 3.0 wt%, and stable hydrous suspension liquid is formed in water by the gel.

Description

Contain vegetable protein combination of alkali salt and preparation method thereof
Technical field
The present invention relates to a kind of composition and method of making the same.Described composition and method thereof relate to a kind of vegetable protein material that contains alkali salt.
Background technology
Derive from such as the albumen material of plant protein sources such as soybean and be used for various Food ﹠ Drink for the purpose of nutrition.Vegetable protein separator (its protein content is at least 70%) is a useful especially nutritional supplement in the Food ﹠ Drink.
The purposes of these nutrient plant albumen materials in beverage depends in part on dispersiveness or the suspension of described albumen material in the water-bearing media of the used particular type of preparation beverage.Although these albumen materials can be dispersed in the water-bearing media usually, be difficult to these albumen materials and some formation full-nutrient beverage such as steamer may required vitamin and mineral matter be combined.Use the alkaline-earth metal material, especially calcium is strengthened fluid product, because these materials that beverage supplements the nutrients that are used for of most of forms quite are insoluble in water-bearing media, therefore has certain problem.These materials easily precipitate from the aqueous suspensions of nutritious drink or separate, and particularly under higher concentration, make beverage have gritty mouthfeel thus, and need the people of edible beverage often to shake beverage to guarantee the mineral matter in the enough edible beverage.
U.S. Pat 4,462, the method for the protein composition that 238 alkaline-earth metal that provide a kind of preparation effectively to be used for the water-bearing media beverage are mineral-supplemented.According to this method, form a kind of hydrated gel of alkali salt, described gel is joined in the aqueous slurry of vegetable protein material of separation, and, form the mineral-supplemented protein composition of described alkaline-earth metal the gel and the albumen material dewatering that mix.The mineral-supplemented protein composition of described alkaline-earth metal makes the suspension of this mineral matter in the water-bearing media beverage improve.
The method of these 4,462,238 patents can join an amount of alkali salt in the vegetable protein combination, but when needing to use quite a large amount of alkaline-earth metal to strengthen protein composition, it is invalid or industrial invalid.Alkali earth metal phosphate is by reacting:
3M(OH) 2+2H 3PO 4→M 3(PO 4) 2+6H 2O
Wherein M is an alkaline-earth metal, and forming hydrated gel is the most preferred method that forms hydrated gel, and this is owing to be not formed on the salt accessory substance that must remove before described gel and the albumen mixing of materials from gel.As disclosed in the patent of ' 238, when slowly joining phosphoric acid in the alkaline earth metal hydroxide solution, insoluble alkaline earth metal hydroxide can not form hydrated gel with phosphoric acid.
The albumen material can be subjected to the restriction of the Cmax of alkaline-earth metal in the gel with the mineral-supplemented degree that derives from hydration alkali earth metal phosphate gel.Because the gel that mixes and the dry run of albumen material are subjected to the influence of low solid content amount unfriendly, therefore endless gel can not be joined the required mineral-supplemented level of acquisition in the slurries of this albumen material.With protein/gel mixture spray-drying is the unique effective dry method that obtains the desciccate of excellent dispersion in water-bearing media, and this is because other drying means can not evenly mix this mineral-supplemented salt with the albumen material.Solid content owing to produce particulate and cause the product loss in the time will hanging down the solid slurry spray-drying, therefore can not carry out spray-drying less than about 5% slurries effectively.Before the present invention, the maximum solid content of the aqueous gel that is formed by alkaline earth metal hydroxide and phosphoric acid is about 4.5%.The vegetable protein material slurry can contain 20% solid content of having an appointment.Solid content is that 4.5% hydrated gel and solid content are that 20% phytoprotein slurries mix in certain proportion and make hydrated gel-phytoprotein slurry mixture, and its solid content is about 14%.This mixture spray-drying is obtained a mineral-supplemented phytoprotein, and wherein alkaline earth metal content is about 3% weight.
Summary of the invention
The present invention relates to the vegetable protein combination that a kind of alkaline-earth metal that is scattered in the water-bearing media is strengthened, comprise the aqueous slurry of vegetable protein material and the hydrated gel of alkali earth metal phosphate.With dry weight basis, the alkaline earth metal content that described alkaline-earth metal is strengthened in the protein composition is about 3-12% weight, preferably be up to about 10% weight, more preferably be up to about 8% weight, and the vegetable protein combination that this alkaline-earth metal is strengthened forms stable suspension in described water-bearing media.The invention still further relates to a kind of Tomita that is used for food processing and contain the preparation method of the protein composition of mineral matter.This method is to mix with the hydrated gel of alkali earth metal phosphate by the aqueous slurry with the vegetable protein material to carry out.The hydrated gel of described alkali earth metal phosphate makes by following: form the aqueous slurry that alkaline earth metal hydroxide accounts for slurry weight at least 2%, phosphoric acid is joined in the described alkaline earth metal hydroxide slurries fast; And the slurries of this alkaline earth metal hydroxide are acutely mixed with phosphoric acid and homogenize, thereby form described gel, wherein the solid content of gel is at least 3.0% weight, and this gel can form stable aqueous suspensions in water.
Detailed Description Of The Invention
The present invention includes a kind of protein composition that is rich in mineral matter and preparation method thereof, this protein composition has the suspension characteristic of raising in vain in liquid food, and the problem of bringing when having overcome the material that suspends mineral-supplemented in the liquid beverage of dietary beverage or nutrient balance.
In brief, for it there being a complete understanding, the vegetable protein material comprises the soybean protein material, and it forms a component of the present composition and method.
The used soybean protein material of the present invention has bean powder, soybean concentrate, most preferably soy protein isolate.Described bean powder, soybean concentrate and soy protein isolate are to be formed by the soybean material that can be soybean or soybean derivatives.Preferred soybean material is the mixture of soya-bean cake, dregs of beans (soybean chip), soyabeen grists, beans sheet or these materials.Described soya-bean cake, the dregs of rice, meal or sheet can be formed by soybean according to the common process of this area, wherein soya-bean cake and dregs of beans are to form by the part oil that pressure or solvent are extruded in the soybean, the beans sheet is by soybean fragmentation, heating and crushing and the oil content that reduces in the soybean by solvent extraction are formed, and soyabeen grists forms by soya-bean cake, dregs of beans or beans sheet are pulverized.
Term used herein " bean powder " is meant the defatted soybean material of pulverised form, and preferred oil content is lower than 1%, can be formed by the particle of 100 orders (Unite States Standard) sieve by particle.Use the common soybeans method that grinds that the mixture of soya-bean cake, the dregs of rice, sheet, meal or these materials is ground into soy meal.The soy protein content of soy meal is about 60% for about 40%-, and the surplus materials in the bean powder is the inert substance in the gluing paper and coating of albumen.Preferably bean powder is ground very thin, most preferably stay on 300 orders (standard made in U.S.A) sieve less than about 1% bean powder.
Term used herein " soybean concentrate " is meant and contains the 60%-that has an appointment about 80% soy proteinaceous soybean protein material.The soybean concentrate is preferably removed to deoil by solvent extraction by the degreasing beans sheet material of commercially available acquisition and forms.Described soybean concentrate is by making with near the aqueous solvent washing soya bean sheet of the pH soybean protein isoelectric point, and preferred pH is about 5 at about 4-, and most preferably pH is at about 4.4-about 4.6.Water soluble carbohydrates a large amount of in the beans sheet and other water-soluble component have been removed in these electricity washings, but take away protein hardly, have therefore formed the soybean concentrate.After waiting electricity washing with soybean concentrate drying.
Term used herein " soy protein isolate " is meant that protein content is about 80% or higher, and is preferred about 90% or higher, most preferably from about 95% or higher soybean protein material.Soy protein isolate normally for example extraction fall that the raw materials such as defatted soybean of the oil of soyabeen grists or sheet make.More particularly, at first these soybean can be pulverized or grind, then by common screw oil expression device.Yet, preferably use aliphatic hydrocarbon, for example hexane or its azeotropic mixture are removed oil contained in the soybean by solvent extraction, and these have represented the conventional technology of deoiling that is used for removing.Soybean protein material or soybean sheet with this degreasing places water-bath then, makes the pH of mixture be at least about 6.5, is preferably about 7.0-10, with extracting protein matter.Usually, if wish pH is increased to more than 6.5, can use various alkaline reagents such as NaOH, potassium hydroxide and calcium hydroxide or other conventional acceptable food-grade alkalescence reagent to improve pH.PH is higher than about 7 usually better, and this is because alkaline extraction helps the protein stripping.Usually, it is about 6.5 that the pH value that protein contains aqueous extract is at least, preferably about 7.0-10.The weight ratio of aqueous extract and vegetable protein material usually between about 20: 1, preferably about 10: 1.In another embodiment, the phytoprotein in the degreasing sheet that the water extraction is pulverized promptly need not be regulated pH.
When obtaining the used soy protein isolate of the present invention, it also is desirable adopting high temperature during moisture extraction step (regulate pH or do not regulate pH), so that the protein dissolving, although room temperature is satisfactory equally if necessary.Operable extraction temperature can be in room temperature to the scope of about 120 , and preferred temperature is 90 .The extraction time is adopted about 5-120 minute time also without limits usually, and the preferred time is about 30 minutes.After the extraction vegetable protein, the aqueous extract of protein can be stored in storage tank or the appropriate vessel, simultaneously the insoluble solid in the moisture extraction step for the first time be carried out extracting second time.By the protein in the thorough extraction first step remaining solid, improved the efficient and the productive rate of extraction process like this.
Moisture protein extraction thing with these two extraction step mixes then, do not regulate pH or pH is adjusted at least 6.5, or preferably about 7.0-10, the pH by regulating this extract is near the isoelectric point of protein or its, make it precipitation, thereby form insoluble curdy precipitate thing.The actual pH that the protein extraction thing is adjusted to changes with used phytoprotein, but with regard to soybean protein, the normally about 4.0-5.0 of this pH.This settling step can be by adding common food-grade acid reagent, as acetic acid, sulfuric acid, phosphoric acid, hydrochloric acid or arbitrarily other suitable acid reagent carry out easily.After the protein precipitation, increase the solid content of precipitation slurries, for example by centrifugal or similar means, so that condensing protein is also removed whey or supernatant as much as possible.The protein (aqueous suspensions) of precipitation can be used for preparing the protein composition that the described Tomita in this paper back contains mineral matter then.
For following described Tomita contains the purpose of mineral matter, then this soybean protein grumeleuse is formed aqueous slurry.Although this protein isolate can directly be obtained by separating step recited above, wherein Chen Dian protein still is the form of aqueous suspensions, and the present invention can use the dried albumen separator that is scattered in the water-bearing media to form aqueous suspensions as raw material equally.
The used albumen material of preferred the present invention improves the characteristic of albumen material through modification.This modification is the modification that is used to improve the purposes or the characteristic of albumen material known in this field, and it includes, but not limited to the sex change and the hydrolysis of albumen material.
The albumen material can reduce its viscosity through sex change and hydrolysis.The chemical modification of albumen material and hydrolysis are being known in the art, it generally includes, the aqueous solution with one or more alkaline reagents is handled a period of time with the albumen material under pH and temperature controlling condition, thereby is enough to make the sex change of albumen material and is hydrolyzed into required degree.The condition that makes albumen material chemical modification and hydrolysis commonly used is: pH is about 13 for about 11-, and temperature is about 50 ℃-Yue 80 ℃, and the time is about 15 minutes-Yue 3 hours, and wherein under higher pH and temperature conditions, sex change and hydrolysis take place the albumen material quickly.
The hydrolysis of albumen material also can be undertaken by handling the albumen material with enzyme that can aminosal.Known many enzymes in the field of protein hydrolysate material, they include, but not limited to fungal proteinase, pectase, lactase and trypsase.Enzyme digestion reaction is by add the enzyme of capacity in the aqueous dispersion of albumen material, the amount of enzyme is about 0.1%-about 10% of albumen weight of material normally, and be generally under the about 5 ℃-Yue 75 ℃ temperature, pH is generally that the about 9 times treatment enzyme of about 3-and protein dispersion liquid carry out, and this moment, enzyme had active protein hydrolysate material in time enough.Carry out after enough hydrolysis, heating makes enzyme denaturation, and the albumen material is precipitated out from solution near the isoelectric point of protein by the pH of regulator solution.
Yet, a specific process that importance is mineral-supplemented protein of the present invention.For example, found, compared, can obtain the product that suspension characteristic improves with adding the mineral matter fill-in of doing if mineral-supplemented albumen material is to be undertaken by the hydrated gel that adds mineral-supplemented material.After the protein composition drying that will strengthen, also kept the suspension characteristic that improves.
For a kind of method of mineral-supplemented albumen material is provided, the hydrated gel of preparation alkali salt wherein forms a kind of mineral-supplemented protein composition, has the suspension characteristic of raising when using it for preparation liquid food such as nutritious drink.Be used for mineral-supplemented and think that the requisite typical alkaline-earth metal material package of nutritional purpose draws together calcium and magnesium.As for the protein supplements of strengthening liquid food,, therefore confirm that calcium is a specific question because calcium is used for water-bearing media such as steamer or nutritious drink with the amount of reinforcement higher than other mineral matter.In the prior art, under most of situation, be distributed to by the synthos that will do and solve this problem in the dried protein supplements, yet after being distributed in the water-bearing media, still often cause the mineral component precipitation at the liquid food duration of storage.
Although the preparation of the calcium fortified protein composition that the present invention improves at suspension characteristic especially, same suitable other divalent salts, as be usually used in the alkali salt of mineral-supplemented food, for example magnesium.The accurate mode that forms the hydrated gel of magnesium or calcium alkali salt is a key of the invention process.Described hydrated gel is by with phosphoric acid and magnesium hydroxide or calcium hydroxide reaction, carry out sonication, ultrasonication simultaneously or homogenize, and carries out sonication, ultrasonication after perhaps or homogenize forming.
The aqueous slurry of calcium hydroxide or magnesium hydroxide makes by calcium hydroxide or magnesium hydroxide are added in the entry respectively.Another kind method is to make alkaline earth metal hydroxide on the spot by calcium oxide, calcium carbide or magnesia and water reaction.The solubility of alkaline earth metal hydroxide in water is limited.Yet in order to form hydrated gel with phosphatase reaction, not needing alkaline earth metal hydroxide is the solution form.The aqueous slurry of alkaline earth metal hydroxide is just enough.No matter the alkaline earth metal hydroxide slurries are to be made or made on the spot by alkaline earth metal hydroxide, all contain 2-10%, preferred maximum 9%, more preferably 2-8%, the most preferably alkaline earth metal hydroxide of 2-7% weight.
Stoichiometric phosphoric acid joins in the alkaline earth metal hydroxide slurries within 30 seconds to 5 minutes fast with 10-85%, and this depends on batch size, simultaneously or carry out Ultrasonic Pulverization afterwards or homogenize.Do not need the pH of reaction is remained on alkalescence.Ultrasonic Pulverization is used to reduce the particle diameter of alkaline earth metal hydroxide and mechanical energy is provided with homogenizing, so that all alkaline earth metal hydroxides and phosphatase reaction.Ultrasonic Pulverization and homogenizing also is used to reduce the particle diameter of the alkali earth metal phosphate hydrated gel of formation.
The reaction of phosphoric acid and alkaline earth metal hydroxide produces alkali earth metal phosphate, particularly three alkali earth metal phosphates, and preferably phosphoric acid DFP.
Homogenization step can use common homogenizer to carry out, and preferably uses APV Gaulin homogenizer to homogenize under 500-2000 pound/square inch.The A-mode ultrasonic that the Ultrasonic Pulverization step can use Sonics company to sell with trade (brand) name Sonolator is pulverized mixing arrangement and is carried out.The pressure of Ultrasonic Pulverization is 1000-1500 pound/square inch.Hydrated gel particularly is insoluble to water-bearing media with regard to tricalcium phosphate.The normally about 3.0%-of the amount of the hydrated gel that exists with solid content behind alkaline earth metal hydroxide and phosphatase reaction is about 14.0%, and preferably about 3.0%-is about 11%, most preferably from about about 10% weight of 3.0-.
Finish with this hydrated gel and the mineral matter Tomita of soybean protein material is contained or strengthen by in the soybean protein material, adding hydrated gel.Hydrated gel and soybean protein material's proportion depend on required alkaline earth metal content, with dry weight basis.
Following embodiment represents the specific but nonrestrictive embodiment of the present invention.
Embodiment 1
Prepare soy protein isolate, wherein per hour in extractor, add 150 pounds defatted soybean sheet, per hour to wherein adding 1500 pounds of water that are heated to 90 .The calcium hydroxide that adds capacity makes the pH of mixture be adjusted to 9.7.To soybean sheet extraction 30 minutes, by centrifugal the aqueous solution is separated with the extraction sheet afterwards.Stay first aqueous extract, the soybean sheet residue after will extracting simultaneously is distributed in the water of 90  once more with 900 pounds amount per hour.This moment, the pH of mixture was 9.0.
Second aqueous extract of centrifugal acquisition soybean sheet is also mixed with first aqueous extract.In the extract that mixes, add 37% hydrochloric acid, regulate its pH to 4.5, precipitating proteins.Centrifugal unnecessary liquid to the solids content of removing of protein with precipitation is a 24-28% weight then.The protein of dilute with water precipitation then, forming solids content is the slurries of 7.5% weight.Add NaOH and adjust the pH to 6.6 of slurries.
230 gram calcium hydroxides are joined in the 9536 gram water, stir simultaneously, make the mixture of 2.3% calcium hydroxide and water.Calcium hydroxide was disperseed in water 1 hour.The phosphoric acid of adding 85% in 30 minutes (238 gram).After adding acid, these contents were stirred 30 minutes again.Slurries are transferred to (model is 15MR) in the Gaulin homogenizer, under 1500 pounds/square inch, homogenize.The solids content of gained tricalcium phosphate hydrated gel is 3.21%.
The hydrated gel that adds q.s makes with the dry weight basis calcium content to be 2.6% of proteinaceous solid body weight, makes this reinforcement slurries balance one hour.Then will these calcium fortified slurries with 85 pounds/square inch pressure by jet cooker, steam is heated to temperature 310  with the slurries in the jet cooker.8-10 is after second, and the heating slurries are advanced partial discharge in the receiver that is lower than under the atmospheric pressure.Then with mineral-supplemented slurries spray-drying to moisture below 5% weight.
Following embodiment relates to calcium hydroxide and phosphatase reaction prepares three alkali earth metal phosphate hydrated gels.
Embodiment 2
Repeat the step of the hydrated gel of embodiment 1, just 4% (400 gram) calcium hydroxide is joined in the 9186 gram water and with 85% phosphatase reactions of 414 grams.After homogenizing, the solids content of tricalcium phosphate hydrated gel is 5.58%.
Embodiment 3
Repeat the step of the hydrated gel of embodiment 1, just 5% (500 gram) calcium hydroxide is joined in the 8982 gram water and with 85% phosphatase reactions of 518 grams.After homogenizing, the solids content of tricalcium phosphate hydrated gel is 6.64%.
Embodiment 4
Repeat the step of the hydrated gel of embodiment 1, just replace homogenizing with sonication and handle the slurries of calcium hydroxide and phosphoric acid, the solids content of tricalcium phosphate hydrated gel is 3.21%.
Then hydration mineral coagulant arbitrary among the embodiment 2-4 is joined in the protein slurry, its amount enough provides mineral-supplemented protein composition, and the accurate amount of adding depends on required reinforcement degree.With adult is example, amount based on 1.5% calcium of protein solid in the mineral-supplemented protein composition is enough to satisfy daily requirement, yet if baby or need simulate under the situation of milk by comparable calcium amount is provided, this amount is generally about 2.7%-3.5% or higher.Therefore, the accurate amount of the gel of adding depends on required reinforcement degree fully, and the accurate amount that adds does not plan to limit the present invention.
The present invention relates to form a kind of protein composition that is rich in mineral matter, that is, the stable aqueous suspensions of mineral-supplemented protein composition, its mineral is an alkali earth metal phosphate, particularly tricalcium phosphate.Mineral matter (calcium and phosphorus) is an ash composition main in the protein composition of this protein fortification.In the mineral matter suspension index (MSI) of Gai Kuoing, the mineral matter of suspension is estimated with the ash content of coal hereinafter.MSI is a kind of mode of measuring the suspension degree of mineral-supplemented protein composition.Determination step in the MSI of percentage is as follows:
1. measure 25 ℃ 475 ml deionized water, put into agitator tank.
2. add 2-3 and drip defoamer.
3. slowly add 25.0 grams ± 0.1 and restrain the protein composition that is rich in mineral matter, stir gently simultaneously and form slurries.
4. mixed on low speed slurries 30-60 second, guarantee that the protein composition that does not have agglomerate or not moistening Tomita to contain mineral matter remains in the edge of agitator jar.Can interrupt stirring, remove any agglomerate that is bonded on jar limit.
5. slurries are transferred in 800 milliliters the beaker that has magnetic stirring bar.Use spatula all slurries to be shifted fully guaranteeing.Cover beaker with plastic packets or aluminium foil, and on the magnetic agitation platform, stirred slurries 30 minutes.
6. after stirring end, leave and remove and defoam.
7. each transferase 12 00 restrains slurries in two 250 milliliters centrifugal bottle.Keep remaining slurries and be used for total solid and ash mensuration.
8. with slurries in the bottle centrifugal 10 minutes with 500 rev/mins speed.
9. use the about 100 milliliters of supernatants in the syringe absorption centrifugal bottle.
10. total solid and the ash in the supernatant of the slurries of determination step 7 and step 9.Determine the MSI of mineral-supplemented protein composition with following formula:
MSI={[S a-0.2(S s/T s]/(T a-0.2)}×100
Wherein:
S aThe ash content of coal of=supernatant
T aThe ash content of coal of=slurries
S sThe solid content of=supernatant
T sThe solid content of=whole slurries
0.2=in the mineral-supplemented protein composition ash correction coefficient of soybean protein material is prepared the slurry samples of mineral-supplemented protein composition of the present invention, and slurry samples is carried out the MSI step after 1,4 and 8 week.As a comparison, add in the protein of doing the tricalcium phosphate of doing and abundant the mixing.Add water and form contrast phosphoric acid slurries.Contrast compares result such as table 1 with phosphoric acid slurries (benchmark) and slurries of the present invention in same tricalcium phosphate level.
Table 1
The MSI data
Embodiment One week All around Eight weeks
The slurry samples of benchmark embodiment 1 69.1 89.1 63.7 87.8 14.2 72.3
Find out that from the data of table 1 MSI of the present invention obviously is better than the MSI of benchmark.
Although explained the present invention according to preferred implementation, what it should be understood that is, reads after this specification, and its various improvement are apparent to those skilled in the art.Therefore, be interpreted as being intended to these improvement are also contained within the scope of claims.

Claims (23)

1. vegetable protein combination that the alkaline-earth metal that is scattered in the water-bearing media is strengthened, comprise: the aqueous slurry of vegetable protein material and the hydrated gel of alkali earth metal phosphate, wherein the amount of the alkali earth metal phosphate hydrated gel that exists with solid content is 3.0%-14%, described hydrated gel has carried out homogenizing or sonication, and wherein said alkali earth metal phosphate hydrated gel can form stable aqueous suspensions in water, wherein with dry weight basis, alkaline earth metal content in the vegetable protein combination that alkaline-earth metal is strengthened is a 3-12% weight, and wherein the vegetable protein combination strengthened of alkaline-earth metal forms in described water-bearing media and stablizes suspension.
2. composition as claimed in claim 1, wherein the vegetable protein material is the soybean protein material.
3. composition as claimed in claim 2, wherein the soybean protein material comprises soy meal, soybean concentrate or soy protein isolate.
4. composition as claimed in claim 2, wherein the soybean protein material comprises soy protein isolate.
5. composition as claimed in claim 1, wherein alkaline-earth metal comprises magnesium or calcium.
6. composition as claimed in claim 1, wherein alkaline-earth metal is a calcium.
7. composition as claimed in claim 1, wherein alkali earth metal phosphate is a tricalcium phosphate.
8. composition as claimed in claim 1, wherein the highest 10% weight of alkaline earth metal content in the vegetable protein combination of alkaline-earth metal reinforcement.
9. composition as claimed in claim 1, wherein the highest 8% weight of alkaline earth metal content in the vegetable protein combination of alkaline-earth metal reinforcement.
10. preparation method who is used for the protein composition that is rich in mineral matter of food preparation, comprise: the aqueous slurry of vegetable protein material is mixed with the hydrated gel of alkali earth metal phosphate, form the vegetable protein combination that alkaline-earth metal is strengthened, wherein with dry weight basis, alkaline earth metal content in the vegetable protein combination that alkaline-earth metal is strengthened is a 3-12% weight, and wherein the vegetable protein combination of alkaline-earth metal reinforcement forms stable suspension in described water-bearing media
Wherein the hydrated gel of alkali earth metal phosphate is prepared as follows: form the aqueous slurry of alkaline earth metal hydroxide, wherein alkaline earth metal hydroxide forms at least 2% weight of described slurries; Phosphoric acid is joined fast in the slurries of alkaline earth metal hydroxide; With the slurries powerful mixing of alkaline earth metal hydroxide and phosphoric acid and homogenizing under 500-2000 pound/square inch or under 1000-1500 pound/square inch, carrying out sonication, form the hydrated gel of alkali earth metal phosphate, wherein the solids content of the hydrated gel of alkali earth metal phosphate is a 3.0-14% weight, and the hydrated gel of this alkali earth metal phosphate can form stable aqueous suspensions in water.
11. as the method for claim 10, wherein the vegetable protein material is the soybean protein material.
12. as the composition of claim 11, wherein the soybean protein material comprises bean powder, soybean concentrate or soy protein isolate.
13. as the composition of claim 11, wherein the soybean protein material comprises soy protein isolate.
14. as the method for claim 10, wherein the vegetable protein material is to obtain under the 6.5-10 at pH.
15. as the method for claim 10, wherein alkaline-earth metal comprises magnesium or calcium.
16. as the method for claim 10, wherein alkaline-earth metal is a calcium.
17. as the method for claim 10, wherein the hydrated gel of alkali earth metal phosphate is the hydrated gel of tricalcium phosphate.
18. as the method for claim 10, wherein alkaline earth metal hydroxide weight is no more than 9% in the aqueous slurry of alkaline earth metal hydroxide.
19. as the method for claim 10, wherein alkaline earth metal hydroxide weight is no more than 8% in the aqueous slurry of alkaline earth metal hydroxide.
20. as the method for claim 10, wherein the aqueous slurry weight of alkaline earth metal hydroxide is no more than 7%.
21., wherein in 30 seconds-5 minutes, phosphoric acid is joined in the slurries of alkaline earth metal hydroxide as the method for claim 10.
22. as the method for claim 10, wherein the solids content of the hydrated gel of alkali earth metal phosphate is no more than 11% weight.
23. as the method for claim 10, wherein the solids content of the hydrated gel of alkali earth metal phosphate is no more than 10% weight.
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JPS602153A (en) * 1983-06-20 1985-01-08 Fuji Oil Co Ltd Alkaline earth metal enriching agent and preparation of protein composition enriched with alkaline earth metal
CN87100413A (en) * 1986-02-03 1987-09-16 拉尔斯顿·普里纳公司 The production method of mineral fortified protein composition
JPH0678715A (en) * 1991-09-05 1994-03-22 Fuji Oil Co Ltd Production of protein composition enriched with alkaline earth metal
US5766330A (en) * 1996-12-24 1998-06-16 Knights; Ralph J. Method of suspending insoluble calcium in protein composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS602153A (en) * 1983-06-20 1985-01-08 Fuji Oil Co Ltd Alkaline earth metal enriching agent and preparation of protein composition enriched with alkaline earth metal
CN87100413A (en) * 1986-02-03 1987-09-16 拉尔斯顿·普里纳公司 The production method of mineral fortified protein composition
JPH0678715A (en) * 1991-09-05 1994-03-22 Fuji Oil Co Ltd Production of protein composition enriched with alkaline earth metal
US5766330A (en) * 1996-12-24 1998-06-16 Knights; Ralph J. Method of suspending insoluble calcium in protein composition

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