CN105410885A - Method for extracting lactose powder from milk whey - Google Patents
Method for extracting lactose powder from milk whey Download PDFInfo
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- CN105410885A CN105410885A CN201510941049.1A CN201510941049A CN105410885A CN 105410885 A CN105410885 A CN 105410885A CN 201510941049 A CN201510941049 A CN 201510941049A CN 105410885 A CN105410885 A CN 105410885A
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- Prior art keywords
- whey
- milk
- lactose powder
- penetrant
- pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000005862 Whey Substances 0.000 title claims abstract description 65
- 102000007544 Whey Proteins Human genes 0.000 title claims abstract description 65
- 108010046377 Whey Proteins Proteins 0.000 title claims abstract description 65
- 239000008101 lactose Substances 0.000 title claims abstract description 45
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 title claims abstract description 43
- 239000000843 powder Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 36
- 235000013336 milk Nutrition 0.000 title claims abstract description 27
- 239000008267 milk Substances 0.000 title claims abstract description 27
- 210000004080 milk Anatomy 0.000 title claims abstract description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012466 permeate Substances 0.000 claims abstract description 8
- 239000012465 retentate Substances 0.000 claims abstract description 8
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 8
- 235000020183 skimmed milk Nutrition 0.000 claims abstract description 6
- BHZOKUMUHVTPBX-UHFFFAOYSA-M sodium acetic acid acetate Chemical compound [Na+].CC(O)=O.CC([O-])=O BHZOKUMUHVTPBX-UHFFFAOYSA-M 0.000 claims abstract description 4
- 239000006228 supernatant Substances 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000000284 extract Substances 0.000 claims description 8
- 238000007670 refining Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 229940023032 activated charcoal Drugs 0.000 claims description 4
- 238000001471 micro-filtration Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000001728 nano-filtration Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract 3
- 238000005119 centrifugation Methods 0.000 abstract 2
- 239000011259 mixed solution Substances 0.000 abstract 2
- 238000001694 spray drying Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 6
- 235000013351 cheese Nutrition 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 235000018102 proteins Nutrition 0.000 description 4
- 102000004169 proteins and genes Human genes 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 102000004407 Lactalbumin Human genes 0.000 description 3
- 108090000942 Lactalbumin Proteins 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 235000013365 dairy product Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011155 wood-plastic composite Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 235000020247 cow milk Nutrition 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Landscapes
- Dairy Products (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention discloses a method for extracting lactose powder from milk whey. The method comprises steps as follows: step 1), fresh milk is subjected to first centrifugation, and skim milk is obtained; step 2), the milk is subjected to second centrifugation, and whey is obtained; the whey passes through a first ultrafiltration membrane under second pressure, and first permeate after the whey passes through the first ultrafiltration membrane is obtained; step 3), an acetate-sodium acetate solution is added to the first permeate; step 4), second permeate is dropwise added to 0.1wt%-5wt% of a sodium hydroxide solution, a mixed solution obtained after 15 min is subjected to filter pressing by a plate-and-frame filter press, first retentate is obtained on a filter screen and is dissolved in 0.08wt%-1.6wt% of a hydrochloric acid solution, a mixed solution obtained after 2 h passes through a nanofiltration membrane under third pressure, and fourth permeate is obtained; step 5), the fourth permeate is subjected to spray drying, and the lactose powder is obtained. With the adoption of the method, the technical problems that the lactose is difficult to extract and the extraction purity is not high are solved.
Description
Technical field
The invention belongs to the production technical field of dairy products, particularly a kind of method of refining lactose powder from milk whey.
Background technology
Whey product belongs to the category of dairy products, is the byproduct of cheesemaking, can produce the cheese of about 1 kilogram with the fresh cow milks of 10 kilograms, and remaining is then whey.The dry of fresh whey is approximately 7%, but includes the nutritional labeling of nearly half in sweet milk.Fresh in the production process of cheese, newborn most fat and the casein accounting for total protein 80% define the basic boom of cheese grumeleuse, and whey is then the composition beyond cheese grumeleuse.The nutritional labeling contained in whey is all solvable substantially, as lactalbumin.Phosphatide, lactose.Mineral matter and vitamin etc.
Fresh whey after pasteurize, then through being dried to powdery, Here it is whey powder.The ratio of other compositions in whey powder except moisture should be consistent with fresh whey.
In the U.S., the whey Direct spraying of nearly 2/3 is dried to whey powder or makes whey concentrate.All the other wheys of 1/3 are processed into other whey products further.As desalted whey powder, low-lactose whey powder, high lactose whey powder, lactose, WPC and whey isolate protein.
Develop in external dairy industry and used hyperfiltration technique to make " pre-cheese " and whey concentrate.Compared with traditional evaporation and concentration, membrane technology can not only reduce the protein denaturation heating and cause, and has clear superiority in product purification.Be dried to powder at the whey Direct spraying of the U.S. about 2/3rds or make concentrate, the whey that its excess-three is divided does further process, be processed into other whey products, as desalted whey powder, low-lactose whey powder, high lactose whey powder, lactose, WPC and whey isolate protein etc.
Usual at present the whey convection drying after process is become lactose whey powder, or the purity of lactose powder is not high, as can be seen here, in prior art, not easily from milk, extract highly purified lactose, DNA purity is not high, or extraction cost is large, cannot industrial application.
Summary of the invention
For above-mentioned technical problem, a kind of method of refining lactose powder from milk whey is proposed in the present invention, by twice centrifugal extraction whey, then carry out successively micro-filtration, first time ultrafiltration, second time ultrafiltration after nanofiltration, obtain pure lactose solution, namely obtain lactose powder after spraying dry, solve the technical problem that lactose not easily extracts, DNA purity is not high.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of method of refining lactose powder from milk whey, comprise the following steps:
Step 1) fresh milk is carried out first time centrifugally operated, remove upper-layer fat, obtain skim milk;
Step 2) at a first pressure by skim milk by carrying out second time centrifugally operated after microfiltration membranes, extract supernatant, obtain whey; After whey is carried out pasteurize, by the first milipore filter under the second pressure, obtain the first penetrant after by described first milipore filter;
Step 3) add Acetic acid-sodium acetate solution by described first penetrant, until the pH value of the first permeate solution is carry out second time ultrafiltration, the second penetrant obtained after 5.0;
Step 4) the second penetrant is added dropwise in the sodium hydroxide solution of 0.1wt% ~ 5wt%, plate and frame filter press press filtration is passed through after waiting for 15min, filter screen obtains the first retentate, first retentate is dissolved in 0.08wt% ~ 1.6wt% hydrochloric acid solution, under the 3rd pressure, pass through NF membrane after waiting for 2h, obtain the 4th penetrant;
Step 5) by the 4th penetrant spraying dry, obtain lactose powder.
Preferably, described first time the rotating speed of centrifugally operated be 4000r/min ~ 5500r/min, centrifugal 15min.
Preferably, the rotating speed of described second time centrifugally operated is 5000r/min ~ 7000r/min, centrifugal 20min.
Preferably, described step 2) in, obtain described whey after the 12 ~ 24h that dialysed between 3 ~ 8 degrees Celsius by supernatant.
Preferably, described first pressure is 0.03MPa ~ 0.05MPa.
Preferably, described second pressure is 0.15MPa ~ 0.20MPa.
Preferably, described 3rd pressure is 0.20MPa ~ 0.28MPa.
Preferably, described step 2) in, after whey being heated to 35 ~ 45 degrees Celsius, then by described first milipore filter.
Preferably, described step 4) in, after the 3rd penetrant is heated to 38 ~ 45 degrees Celsius, then by described NF membrane.
Preferably, described step 2) in, by supernatant by activated-charcoal column, then carry out pasteurize.
The present invention at least comprises following beneficial effect:
1, extracting method of the present invention, fully extract the lactose in whey, the recovery rate of lactose is high, reduces processing cost, improves the purity of lactose simultaneously;
2, extracting method of the present invention can not introduce other foreign ions in the process extracting lactalbumin, further increases the purity of lactose powder product.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet refining lactose powder from milk whey.
Detailed description of the invention
The present invention is described in further detail below, can implement according to this with reference to description word to make those skilled in the art.
Should be appreciated that used in the present inventionly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
To achieve these goals, the present invention is by the following technical solutions: a kind of method of refining lactose powder from milk whey, as shown in Figure 1, comprises the following steps:
Step 1) fresh milk is carried out first time centrifugally operated on centrifuge, remove upper-layer fat, obtain skim milk, described first time, the rotating speed of centrifugally operated was 4000r/min ~ 5500r/min, and in the present embodiment, the rotating speed of centrifuge adopts 4500r/min, after centrifugal 15min, after leaving standstill a period of time, upper-layer fat, in the superiors, extracts by the fat in milk;
Step 2) milk after degreasing is carried out second time centrifugally operated on centrifuge, the rotating speed of described second time centrifugally operated is 5000r/min ~ 7000r/min, in the present embodiment, the rotating speed of centrifuge adopts 6200r/min, centrifugal 20min and leaving standstill after the time of one end, extract supernatant, obtain whey; Subsequently, after whey is carried out pasteurize, at a first pressure by milipore filter, carry out ultrafiltration, obtain the first penetrant after by described milipore filter and not by the first retentate of milipore filter;
Step 3) add Acetic acid-sodium acetate solution by described first penetrant, until the pH value of the first permeate solution is carry out second time ultrafiltration, the second penetrant obtained after 5.0;
Step 4) the second penetrant is added dropwise in the sodium hydroxide solution of 0.1wt% ~ 5wt%, plate and frame filter press press filtration is passed through after waiting for 15min, filter screen obtains the first retentate, first retentate is dissolved in 0.08wt% ~ 1.6wt% hydrochloric acid solution, under the 3rd pressure, pass through NF membrane after waiting for 2h, obtain the 4th penetrant;
Step 5) by the 4th penetrant spraying dry, obtain lactose powder.
In technique scheme, described first time the rotating speed of centrifugally operated be 4000r/min ~ 5500r/min, centrifugal 15min.
In technique scheme, the rotating speed of described second time centrifugally operated is 5000r/min ~ 7000r/min, centrifugal 20min.
In technique scheme, described step 2) in, obtain described whey after the 12 ~ 24h that dialysed between 3 ~ 8 degrees Celsius by supernatant, in the present embodiment, dialyse supernatant under the condition of 4 degrees Celsius 18h.
In technique scheme, described first pressure is 0.03MPa ~ 0.05MPa, and the present embodiment adopts 0.04MPa.
In technique scheme, described second pressure is 0.15MPa ~ 0.20MPa, and the present embodiment adopts 0.18MPa.
In technique scheme, described 3rd pressure is 0.20MPa ~ 0.28MPa, and the present embodiment adopts 0.26MPa.
In technique scheme, described step 2) in, after whey being heated to 35 ~ 45 degrees Celsius, then by described milipore filter; In the present embodiment, whey is heated to 45 degrees Celsius, carrys out other compositions in maximum filtering whey with this, reach the accounting improving lactose.
In technique scheme, described step 4) in, after the 3rd penetrant is heated to 38 ~ 45 degrees Celsius, then by described NF membrane.
In technique scheme, described step 2) in, by supernatant by activated-charcoal column, then carry out pasteurize, supernatant is the light transmittance in order to improve supernatant by activated-charcoal column, with other compositions in filtering supernatant.
From the above mentioned, extracting method of the present invention, fully extract the lactose in whey, the recovery rate of lactose is high, reduces processing cost, improves the purity of lactose simultaneously; Meanwhile, other foreign ions can not be introduced in the process extracting lactalbumin, further increase the purity of lactose powder product.
Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. from milk whey, refine a method for lactose powder, it is characterized in that, comprise the following steps:
Step 1) fresh milk is carried out first time centrifugally operated, remove upper-layer fat, obtain skim milk;
Step 2) at a first pressure by skim milk by carrying out second time centrifugally operated after microfiltration membranes, extract supernatant, obtain whey; After whey is carried out pasteurize, by the first milipore filter under the second pressure, obtain the first penetrant after by described first milipore filter;
Step 3) add Acetic acid-sodium acetate solution by described first penetrant, until the pH value of the first permeate solution is carry out second time ultrafiltration, the second penetrant obtained after 5.0;
Step 4) the second penetrant is added dropwise in the sodium hydroxide solution of 0.1wt% ~ 5wt%, plate and frame filter press press filtration is passed through after waiting for 15min, filter screen obtains the first retentate, first retentate is dissolved in 0.08wt% ~ 1.6wt% hydrochloric acid solution, under the 3rd pressure, pass through NF membrane after waiting for 2h, obtain the 4th penetrant;
Step 5) by the 4th penetrant spraying dry, obtain lactose powder.
2. method of refining lactose powder from milk whey according to claim 1, is characterized in that, described first time the rotating speed of centrifugally operated be 4000r/min ~ 5500r/min, centrifugal 15min.
3. method of refining lactose powder from milk whey according to claim 2, is characterized in that, the rotating speed of described second time centrifugally operated is 5000r/min ~ 7000r/min, centrifugal 20min.
4. method of refining lactose powder from milk whey according to claim 3, is characterized in that, described step 2) in, obtain described whey after the 12 ~ 24h that dialysed between 3 ~ 8 degrees Celsius by supernatant.
5. from milk whey, refine the method for lactose powder as claimed in claim 4, it is characterized in that, described first pressure is 0.03MPa ~ 0.05MPa.
6. from milk whey, refine the method for lactose powder as claimed in claim 5, it is characterized in that, described second pressure is 0.15MPa ~ 0.20MPa.
7. from milk whey, refine the method for lactose powder as claimed in claim 6, it is characterized in that, described 3rd pressure is 0.20MPa ~ 0.28MPa.
8. from milk whey, refine the method for lactose powder as claimed in claim 7, it is characterized in that, described step 2) in, after whey being heated to 35 ~ 45 degrees Celsius, then by described first milipore filter.
9. from milk whey, refine the method for lactose powder as claimed in claim 8, it is characterized in that, described step 4) in, after the 3rd penetrant is heated to 38 ~ 45 degrees Celsius, then by described NF membrane.
10. from milk whey, refine the method for lactose powder as claimed in claim 9, it is characterized in that, described step 2) in, by supernatant by activated-charcoal column, then carry out pasteurize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510941049.1A CN105410885A (en) | 2015-12-16 | 2015-12-16 | Method for extracting lactose powder from milk whey |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510941049.1A CN105410885A (en) | 2015-12-16 | 2015-12-16 | Method for extracting lactose powder from milk whey |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105410885A true CN105410885A (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510941049.1A Pending CN105410885A (en) | 2015-12-16 | 2015-12-16 | Method for extracting lactose powder from milk whey |
Country Status (1)
| Country | Link |
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| CN (1) | CN105410885A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109907157A (en) * | 2019-04-12 | 2019-06-21 | 厦门亿赛膜技术有限公司 | A kind of method and system for producing MPC and lactose powder using milk |
| CN109938102A (en) * | 2019-04-29 | 2019-06-28 | 飞潮（无锡）过滤技术有限公司 | A kind of film integrated treatment process of milk protein classification |
| CN111919908A (en) * | 2020-07-07 | 2020-11-13 | 石家庄君乐宝乳业有限公司 | Preparation method of desalted whey powder |
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| CN101195652A (en) * | 2007-12-03 | 2008-06-11 | 内蒙古工业大学 | A method for recovering protein and lactose from dairy wastewater |
| CN101491287A (en) * | 2008-01-24 | 2009-07-29 | 滕国新 | Method for extracting lactose and lactoalbumin from whey and producing formulation milk powder |
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2015
- 2015-12-16 CN CN201510941049.1A patent/CN105410885A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195652A (en) * | 2007-12-03 | 2008-06-11 | 内蒙古工业大学 | A method for recovering protein and lactose from dairy wastewater |
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Non-Patent Citations (2)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109907157A (en) * | 2019-04-12 | 2019-06-21 | 厦门亿赛膜技术有限公司 | A kind of method and system for producing MPC and lactose powder using milk |
| CN109938102A (en) * | 2019-04-29 | 2019-06-28 | 飞潮（无锡）过滤技术有限公司 | A kind of film integrated treatment process of milk protein classification |
| CN111919908A (en) * | 2020-07-07 | 2020-11-13 | 石家庄君乐宝乳业有限公司 | Preparation method of desalted whey powder |
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Application publication date: 20160323 |
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