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NZ792386B2 - Process for demineralising a milk protein composition, milk protein composition obtainable by said process, and facility for implementing said process - Google Patents
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NZ792386B2 - Process for demineralising a milk protein composition, milk protein composition obtainable by said process, and facility for implementing said process - Google Patents

Process for demineralising a milk protein composition, milk protein composition obtainable by said process, and facility for implementing said process

Info

Publication number
NZ792386B2
NZ792386B2 NZ792386A NZ79238621A NZ792386B2 NZ 792386 B2 NZ792386 B2 NZ 792386B2 NZ 792386 A NZ792386 A NZ 792386A NZ 79238621 A NZ79238621 A NZ 79238621A NZ 792386 B2 NZ792386 B2 NZ 792386B2
Authority
NZ
New Zealand
Prior art keywords
protein composition
milk protein
process according
manufacturing process
electrodialyser
Prior art date
Application number
NZ792386A
Other versions
NZ792386A (en
Inventor
Anne Gonin
Florence Lutin
Original Assignee
Eurodia Industrie
Filing date
Publication date
Priority claimed from FR2002936A external-priority patent/FR3094870A1/en
Application filed by Eurodia Industrie filed Critical Eurodia Industrie
Publication of NZ792386A publication Critical patent/NZ792386A/en
Publication of NZ792386B2 publication Critical patent/NZ792386B2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; PREPARATION THEREOF
    • A23C21/00—Whey; Whey preparations
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; PREPARATION THEREOF
    • A23C9/00—Milk preparations; Milk powder or milk powder preparations
    • A23C9/14—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment
    • A23C9/142—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by dialysis, reverse osmosis or ultrafiltration
    • A23C9/1422—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by dialysis, reverse osmosis or ultrafiltration by ultrafiltration, microfiltration or diafiltration of milk, e.g. for separating protein and lactose; Treatment of the UF permeate
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; PREPARATION THEREOF
    • A23C9/00—Milk preparations; Milk powder or milk powder preparations
    • A23C9/14—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment
    • A23C9/144—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by electrical means, e.g. electrodialysis
    • 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
    • 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
    • A23V2250/00—Food ingredients
    • A23V2250/54—Proteins
    • A23V2250/542—Animal Protein
    • A23V2250/5424—Dairy protein
    • A23V2250/54252—Whey protein
    • 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
    • A23V2300/00—Processes
    • A23V2300/30—Ion-exchange
    • 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
    • A23V2300/00—Processes
    • A23V2300/34—Membrane process

Abstract

The present invention relates to a method for manufacturing a demineralised dairy protein composition (CPL2), comprising the following steps: i) - supplying a dairy protein composition (CPL); (ii) - electrodialysing the dairy protein composition (CPL) on an electrodialyser (5, 200), comprising cellular units (15, 215) comprising three compartments (20, 26, 30; 220, 226, 230), and configured to substitute at least one cation with at least one hydrogen ion H+ in the dairy protein composition (CPL) to obtain an at least partially demineralised and acidified dairy protein composition (CPL1); (iii) - electrodialysing the dairy protein composition (CPL1) obtained in step (ii); (iv) - recovering the demineralised dairy protein composition (CPL2).

Claims (18)

1. A process for manufacturing a demineralised milk protein composition (MPC2), 5 characterised in that it comprises the following steps: (i) - providing a milk protein composition (MPC); (ii) - electrodialysis of the milk protein composition (MPC) on an electrodialyser (5, 200), comprising unit cells (15, 215) comprising three compartments (20, 26, 30; 220, 226, 230) and configured to substitute at least one cation by at least one 10 hydrogen ion H in the milk protein composition (MPC) to obtain an at least partially demineralised and acidified milk protein composition (MPC1); (iii) - electrodialysis of the milk protein composition (MPC1) obtained in step (ii); (iv) - recovering the demineralised milk protein composition (MPC2), and wherein said process comprises the addition of at least one basic solution to the 15 milk protein composition during step (iii) and/or after step (iii).
2. Manufacturing process according to claim 1, characterised in that said at least one basic solution is a solution comprising at least one basic salt. 20
3. The manufacturing process according to claim 1 or 2, characterised in that the addition of the basic solution is carried out during at least one part of the electrodialysis step (iii) concomitantly with the extraction of ions.
4. The manufacturing process according to any one of claims 1 to 3, characterised 25 in that the addition of the basic solution to the milk protein composition is carried out when the milk protein composition has a conductivity less than or equal to 1 mS/cm, and preferably has a pH greater than or equal to 3.
5. The manufacturing process according to any one of claims 1 to 4, characterised 30 in that after the addition of the basic solution, the milk protein composition has a pH greater than or equal to 4.5, preferably greater than or equal to 5.0.
6. The manufacturing process according to any one of claims 1 to 5, characterised in that the electrodialysis step (iii) comprises the extraction of anions and cations.
7. The manufacturing process according to any one of claims 1 to 6, characterised 5 in that step (ii) is a step of substitution exclusively of cations.
8. The manufacturing process according to any one of claims 1 to 7, characterised in that the milk protein composition recovered in step (iv) (MPC2) comprises - 2- 3- phosphate ions (H PO , HPO , PO ), for which the mass of phosphorus is greater 2 4 4 4 10 than or equal to 110 mg, preferably greater than or equal to 150 mg, for 100 g of total dry mass of said recovered milk protein composition (MPC2).
9. The manufacturing process according to any one of claims 1 to 8, characterised in that the milk protein composition recovered in step (iv) (MPC2) comprises 15 sodium or potassium ions, the mass of which is greater than or equal to 20 mg, preferably greater than or equal to 30 mg, for 100 g of total dry mass of said recovered milk protein composition (MPC2).
10. The manufacturing process according to any one of claims 1 to 9, characterised 20 in that the compartments of the electrodialyser of step (ii) receiving the milk protein composition (MPC) are each delimited between two cationic membranes (24, 28; 224, 228).
11. The manufacturing process according to any one of claims 1 to 10, 25 characterised in that it comprises a treatment step (v) of at least part of the salt(s) selected from the following salts: - the salt(s) derived directly from electrodialysis step ii), - the salt(s) derived indirectly from electrodialysis step ii), - the salt(s) derived directly from electrodialysis step iii), 30 - the salt(s) derived indirectly from electrodialysis step iii), - the salt(s) from a preliminary demineralisation step carried out on the milk protein composition before step i), - a mixture of the latter, said treatment step (v) being configured to produce one or more acid salts on the one hand, and/or one or more basic salts on the other hand.
12. The manufacturing process according to claim 11, characterised in that 5 treatment step (v) consists of an electrodialysis step carried out on a bipolar membrane electrodialyser (70).
13. The manufacturing process according to claim 12, characterised in that the bipolar membrane electrodialyser (70), in step (v), comprises unit cells (105) 10 comprising three compartments A, B and C (110,116,120), compartments A and B are supplied with water and compartment C is supplied with the one or more salts, in particular compartment C arranged between compartments A and B.
14. The manufacturing process according to claim 13, characterised in that at least
15. 15 some of the one or more salts, in particular of hydrochloric acid and/or of sulfuric acid, obtained during treatment step (v), is/are supplied to one of the three compartments (20, 26, 30; 220, 226, 230) of the electrodialyser (5, 200) in step 20 15. The manufacturing process according to any one of claims 11 to 14, characterised in that the basic solution comprises, at least in part, one or more basic salts, in particular sodium hydroxide and/or potassium hydroxide, obtained during treatment step (v). 25
16. The manufacturing process according to any one of claims 1 to 15, characterised in that the basic solution is derived, at least in part, from the recycling of an effluent derived from step ii) and/or step iii).
17. The manufacturing process according to any one of claims 1 to 16, 30 characterised in that the milk protein composition is selected from the list comprising: whey, such as sweet whey or acid whey or a mixture thereof; a milk ultrafiltration permeate; a milk microfiltration permeate; a whey ultrafiltration retentate or permeate; a milk microfiltration permeate ultrafiltration retentate or permeate; or a mixture thereof, preferably whey.
18. A facility for implementing the process according to any one of claims 1 to 17, 5 characterised in that it comprises: a) a first electrodialyser (5, 200) comprising a first inlet intended to receive a milk protein composition (MPC), said electrodialyser comprising unit cells (15, 215) comprising three compartments (20, 26, 30; 220, 226, 230), and configured to substitute at least one cation by at least one hydrogen ion H in the milk protein 10 composition (MPC), and a first outlet for an at least partially demineralised and acidified milk protein composition (MPC1); b) a second electrodialyser (10,205) comprising a first inlet intended to receive the milk protein composition (MPC1) obtained in step (ii), and a first outlet for the milk protein composition (MPC2), and 15 wherein said facility comprises: c) a device comprising a basic solution and configured to be in fluid communication during a given period with the compartments of the second electrodialyser that are intended to receive the milk protein composition (MPC1), preferably under the application of an electric field. [
NZ792386A 2021-03-25 Process for demineralising a milk protein composition, milk protein composition obtainable by said process, and facility for implementing said process NZ792386B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2002936A FR3094870A1 (en) 2019-04-12 2020-03-25 Process for demineralizing a dairy protein composition, and dairy protein composition that can be obtained by said process
PCT/EP2021/057801 WO2021191377A1 (en) 2019-04-12 2021-03-25 Method for demineralising a dairy protein composition, dairy protein composition that can be obtained by the method, and system for implementing the method

Publications (2)

Publication Number Publication Date
NZ792386A NZ792386A (en) 2025-07-25
NZ792386B2 true NZ792386B2 (en) 2025-10-29

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