EP4322755A1 - Nouveau procédé de préparation d'un isolat de protéines cationiques de lactosérum et le produit ainsi obtenu - Google Patents
Nouveau procédé de préparation d'un isolat de protéines cationiques de lactosérum et le produit ainsi obtenuInfo
- Publication number
- EP4322755A1 EP4322755A1 EP21840054.7A EP21840054A EP4322755A1 EP 4322755 A1 EP4322755 A1 EP 4322755A1 EP 21840054 A EP21840054 A EP 21840054A EP 4322755 A1 EP4322755 A1 EP 4322755A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- milk
- proteins
- lactoferrin
- cationic
- protein
- Prior art date
- 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.)
- Pending
Links
- 108010046377 Whey Proteins Proteins 0.000 title claims abstract description 48
- 125000002091 cationic group Chemical group 0.000 title claims abstract description 37
- 235000021119 whey protein Nutrition 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 102000010445 Lactoferrin Human genes 0.000 claims abstract description 50
- 108010063045 Lactoferrin Proteins 0.000 claims abstract description 50
- CSSYQJWUGATIHM-IKGCZBKSSA-N l-phenylalanyl-l-lysyl-l-cysteinyl-l-arginyl-l-arginyl-l-tryptophyl-l-glutaminyl-l-tryptophyl-l-arginyl-l-methionyl-l-lysyl-l-lysyl-l-leucylglycyl-l-alanyl-l-prolyl-l-seryl-l-isoleucyl-l-threonyl-l-cysteinyl-l-valyl-l-arginyl-l-arginyl-l-alanyl-l-phenylal Chemical compound C([C@H](N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CS)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N[C@@H](C)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CS)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](C)C(=O)N[C@@H](CC=1C=CC=CC=1)C(O)=O)C1=CC=CC=C1 CSSYQJWUGATIHM-IKGCZBKSSA-N 0.000 claims abstract description 42
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- FDJOLVPMNUYSCM-UVKKECPRSA-L cobalt(3+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2,7, Chemical compound [Co+3].N#[C-].C1([C@H](CC(N)=O)[C@@]2(C)CCC(=O)NC[C@@H](C)OP([O-])(=O)O[C@H]3[C@H]([C@H](O[C@@H]3CO)N3C4=CC(C)=C(C)C=C4N=C3)O)[N-]\C2=C(C)/C([C@H](C\2(C)C)CCC(N)=O)=N/C/2=C\C([C@H]([C@@]/2(CC(N)=O)C)CCC(N)=O)=N\C\2=C(C)/C2=N[C@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O FDJOLVPMNUYSCM-UVKKECPRSA-L 0.000 claims description 34
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- FDJOLVPMNUYSCM-WZHZPDAFSA-L cobalt(3+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(1r,2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2 Chemical compound [Co+3].N#[C-].N([C@@H]([C@]1(C)[N-]\C([C@H]([C@@]1(CC(N)=O)C)CCC(N)=O)=C(\C)/C1=N/C([C@H]([C@@]1(CC(N)=O)C)CCC(N)=O)=C\C1=N\C([C@H](C1(C)C)CCC(N)=O)=C/1C)[C@@H]2CC(N)=O)=C\1[C@]2(C)CCC(=O)NC[C@@H](C)OP([O-])(=O)O[C@H]1[C@@H](O)[C@@H](N2C3=CC(C)=C(C)C=C3N=C2)O[C@@H]1CO FDJOLVPMNUYSCM-WZHZPDAFSA-L 0.000 claims description 15
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- 101000798100 Bos taurus Lactotransferrin Proteins 0.000 description 27
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- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 9
- 235000013365 dairy product Nutrition 0.000 description 8
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 7
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- YBJHBAHKTGYVGT-ZKWXMUAHSA-N (+)-Biotin Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)O)SC[C@@H]21 YBJHBAHKTGYVGT-ZKWXMUAHSA-N 0.000 description 6
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- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical class OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
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- 108060003951 Immunoglobulin Proteins 0.000 description 1
- 229920002774 Maltodextrin Polymers 0.000 description 1
- 102100032709 Potassium-transporting ATPase alpha chain 2 Human genes 0.000 description 1
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- 102000007562 Serum Albumin Human genes 0.000 description 1
- 108010071390 Serum Albumin Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000011021 bench scale process Methods 0.000 description 1
- 229960003563 calcium carbonate Drugs 0.000 description 1
- FNAQSUUGMSOBHW-UHFFFAOYSA-H calcium citrate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O FNAQSUUGMSOBHW-UHFFFAOYSA-H 0.000 description 1
- 239000001354 calcium citrate Substances 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 229940023913 cation exchange resins Drugs 0.000 description 1
- 235000015218 chewing gum Nutrition 0.000 description 1
- QWJSAWXRUVVRLH-UHFFFAOYSA-M choline bitartrate Chemical compound C[N+](C)(C)CCO.OC(=O)C(O)C(O)C([O-])=O QWJSAWXRUVVRLH-UHFFFAOYSA-M 0.000 description 1
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- 239000000470 constituent Substances 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- 229960000355 copper sulfate Drugs 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013861 fat-free Nutrition 0.000 description 1
- 239000011706 ferric diphosphate Substances 0.000 description 1
- 235000007144 ferric diphosphate Nutrition 0.000 description 1
- CADNYOZXMIKYPR-UHFFFAOYSA-B ferric pyrophosphate Chemical compound [Fe+3].[Fe+3].[Fe+3].[Fe+3].[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O CADNYOZXMIKYPR-UHFFFAOYSA-B 0.000 description 1
- 229940036404 ferric pyrophosphate Drugs 0.000 description 1
- 229960001781 ferrous sulfate Drugs 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 235000021255 galacto-oligosaccharides Nutrition 0.000 description 1
- 150000003271 galactooligosaccharides Chemical class 0.000 description 1
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- 102000018358 immunoglobulin Human genes 0.000 description 1
- 229940072221 immunoglobulins Drugs 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000031891 intestinal absorption Effects 0.000 description 1
- 229940029329 intrinsic factor Drugs 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000012669 liquid formulation Substances 0.000 description 1
- 239000004337 magnesium citrate Substances 0.000 description 1
- 229960005336 magnesium citrate Drugs 0.000 description 1
- 235000002538 magnesium citrate Nutrition 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 235000021243 milk fat Nutrition 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 239000002324 mouth wash Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229940060184 oil ingredients Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
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- 239000006072 paste Substances 0.000 description 1
- 229940093932 potassium hydroxide Drugs 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- 229940108461 rennet Drugs 0.000 description 1
- 108010058314 rennet Proteins 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
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- 229940083542 sodium Drugs 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 229960002668 sodium chloride Drugs 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 229960001790 sodium citrate Drugs 0.000 description 1
- 235000011083 sodium citrates Nutrition 0.000 description 1
- 239000011781 sodium selenite Substances 0.000 description 1
- 235000015921 sodium selenite Nutrition 0.000 description 1
- 229960001471 sodium selenite Drugs 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
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- 229960001295 tocopherol Drugs 0.000 description 1
- 235000010384 tocopherol Nutrition 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 235000013337 tricalcium citrate Nutrition 0.000 description 1
- PLSARIKBYIPYPF-UHFFFAOYSA-H trimagnesium dicitrate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PLSARIKBYIPYPF-UHFFFAOYSA-H 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 1
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; MAKING 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
- A23C9/146—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by ion-exchange
- A23C9/1465—Chromatographic separation of protein or lactose fraction; Adsorption of protein or lactose fraction followed by elution
-
- 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; MAKING THEREOF
- A23C1/00—Concentration, evaporation or drying
- A23C1/04—Concentration, evaporation or drying by spraying into a gas stream
-
- 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; MAKING THEREOF
- A23C1/00—Concentration, evaporation or drying
- A23C1/06—Concentration by freezing out the water
- A23C1/08—Freeze-drying
-
- 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; MAKING 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; MAKING 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; MAKING 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
- A23C9/1425—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 whey, e.g. treatment of the UF permeate
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J1/00—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
- A23J1/20—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from milk, e.g. casein; from whey
- A23J1/205—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from milk, e.g. casein; from whey from whey, e.g. lactalbumine
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J3/00—Working-up of proteins for foodstuffs
- A23J3/04—Animal proteins
- A23J3/08—Dairy proteins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
- A23K20/147—Polymeric derivatives, e.g. peptides or proteins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/17—Amino acids, peptides or proteins
- A23L33/19—Dairy proteins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/40—Complete food formulations for specific consumer groups or specific purposes, e.g. infant formula
-
- 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; MAKING THEREOF
- A23C2210/00—Physical treatment of dairy products
- A23C2210/20—Treatment using membranes, including sterile filtration
- A23C2210/208—Removal of bacteria by membrane filtration; Sterile filtration of milk products
Definitions
- the present invention relates to a new process for the preparation of a cationic whey protein isolate of high lactoferrin purity.
- the Applicant has developed a process for obtaining a whey protein isolate whose lactoferrin protein purity is greater than 90%; this process also allows the control of the vitamin B12 (cobalamin) content in the lactoferrin isolate.
- This process is characterized on the one hand by the use of previously concentrated dairy material (such as concentrated skimmed milk or concentrated whey) by a membrane technology (such as reverse osmosis, nanofiltration, or ultrafiltration) and on the other hand by selective extraction using strong cation exchange resins of the sulfopropyl (SP) type packed in a radial chromatography column.
- the eluted pure lactoferrin fraction is concentrated and demineralized by ultrafiltration in order to obtain a cationic whey protein isolate whose lactoferrin purity is greater than at least 90% and preferably 95%.
- This liquid isolate obtained is debacterized or sterilized by microfiltration and optionally dried by atomization (spray-dry) or freeze-drying (freeze-dry) to obtain the powdered isolate.
- the method for preparing a cationic whey protein isolate of high lactoferrin purity comprises the following steps a) to f): a)
- the starting raw material may be mammalian milk previously skimmed and concentrated by membrane technology; it may also be a mixture of mammalian milk previously skimmed and concentrated by membrane technology and skimmed milk (not concentrated); mammalian milk is for example cow's milk or goat's milk; the starting raw material can also be whey obtained from mammalian milk and concentrated beforehand; i.
- the starting raw material when the starting raw material is prepared with a mammalian milk such as cow's milk or goat's milk, it is skimmed and optionally pasteurized, for example by a heat treatment between 60 and 78°C for a short time (a heat treatment minimum equivalent level of 72°C for 15 seconds; skimming can be performed either before or after pasteurization) or debacterized by microfiltration with a membrane porosity between 0.8 and 1.4 ⁇ m, then concentrated by reverse osmosis (OI) or nanofiltration (NF) or ultrafiltration (UF); for the implementation of the process, it is also possible to use a mixture of skimmed milk (not concentrated) and skimmed milk previously concentrated by a membrane technology as described above; the product to be treated in step b) preferably has a concentration of protein matter (MP) between 40 and 72 g/L, preferably between 43 and 57 g/L; when an RO membrane is used, the dry matter (DM) concentration of pasteurized skimmed milk is between 110 and 200 g/
- the starting raw material when the starting raw material is prepared with whey, it can be concentrated after separation of the caseins, by acidification or the action of rennet, or by microfiltration (whose membrane has a porosity of approximately 0.1 ⁇ m), concentrated by osmosis reverse (OI) or nano filtration (NF) or ultrafiltration (UF); for the implementation of the method, it is also possible to use a mixture of whey (not concentrated) and whey previously concentrated by a membrane technology as described above; the product to be treated in step b) preferably has a protein concentration between 20 and 100 g/L, preferably between 30 and 80 g/L;
- b) selective extraction of cationic proteins comprising the following steps: i. passage of the starting raw material (for example, pasteurized, pre-concentrated skimmed milk) through a radial flow chromatography column, containing strong cation exchange resins of the sulfopropyl SP type, preferably greater than 100 ⁇ m in diameter (e.g. SP Sepharose Big Beads from Cytiva Sweden):
- the volume of starting raw material (expressed in volume equivalent to that of the non-concentrated raw material; that is to say that the volume indicated is that which the raw material had before being concentrated) is between 40 and 500 times, in particular between 80 and 500 times, the volume of the resins (BV, Bed Volume), preferably between 80 and 300 BV;
- the linear flow rate of starting raw material is between 1.0 and 4.0 m/h, preferably between 2.0 and 3.0 m/h; ii. rinsing with demineralised water, preferably treated with an RO membrane (osmosis water):
- the volume of demineralised water is between 2 and 6 BV, preferably between 3 and 5 BV;
- the demineralized water passage speed is between 3.0 and 5.0 m/h, preferably between 3.5 and 4.5 m/h; iii. elution of fixed cationic proteins with a saline solution (NaCl in demineralised water, preferably osmosis water) with an electrical conductivity between 30 and 50 mS/cm:
- the volume of the saline solution is between 4 and 8 BV, preferably between 5 and 7 BV;
- the speed of passage of the saline solution is between 0.3 and 2.0 m/h, preferably between 0.5 and 1.0 m/h; iv. elution of fixed cationic proteins with a saline solution (NaCl in demineralised water, preferably osmosis water) with electrical conductivity between 80 and 140 mS/cm, preferably between 90 and 110 mS/cm:
- the volume of the saline solution is between 3 and 6 BV, preferably between 4 and 5 BV;
- the passage speed of the saline solution is between 0.5 and 2.5 m/h, preferably between 1.0 and 2.0 m/h;
- the step of passing over cation exchange resins is used to fix cationic proteins present in the starting raw material while letting through major constituents of skimmed milk such as lactose, minerals, acid proteins such as caseins, ⁇ -lactoglobulin, ⁇ -lactoglobulin, serum albumin and most immunoglobulins.
- the first elution step serves for a selective extraction of specific cationic proteins by keeping the majority of lactoferrin, the major cationic protein of milk, fixed on the resins. The pure fraction of bovine lactoferrin is therefore eluted in the second eluate.
- a dairy material from mammals for example, pasteurized skimmed cow's milk, cheese whey from pasteurized goat's milk
- UF/NF/OI membrane makes it possible to reduce the rate of passage of flux for the equivalent amount of protein present for one pass through an extraction column. Thanks to this extension of contact time with strong cation exchange resins of the SP type, the efficiency of extraction of cationic proteins is significantly improved.
- This combination of concentrated dairy material and a radial flow column is essential to run industrial production in a stable and regular manner.
- Another advantage of the process according to the invention is that it can be carried out effectively over a wide temperature range; in particular, while resin manufacturers recommend implementation at temperatures between 30 and 50°C, the Applicant has succeeded in developing an effective cold process, that is to say at temperatures below at 15°C, preferably below 10°C.
- the present invention thus relates to an isolate of cationic whey proteins enriched in lactoferrin obtained or capable of being obtained by the process according to the invention, such that the proportion of proteins on dry matter is greater than or equal to 90% by weight and in which the proportion of lactoferrin to the total proteins is greater than 90% by weight, preferably greater than 95% by weight, even more preferably greater than 98% by weight.
- the present invention also relates to a lactoferrin-enriched cationic whey protein isolate from milk or whey from cow's milk or goat's milk. obtained or capable of being obtained by the process according to the invention, the proportion of proteins on dry matter of which is greater than or equal to 90% by weight, the proportion of lactoferrin on the total proteins is greater than 95% by weight (p / p), preferably greater than 98% by weight, and containing cobalamin in complex form with transcobalamin at a concentration less than or equal to 5 pg / g of protein, in particular, the concentration of cobalamin in complex form with transcobalamin is included between 1 to 5 pg/g protein.
- the present invention also relates to an isolate of cationic whey proteins enriched in lactoferrin derived from milk or whey derived from cow's milk or goat's milk obtained or capable of being obtained by the process according to the invention whose proportion protein on dry matter is greater than or equal to 90% by weight, the proportion of lactoferrin to total protein is greater than 90% (w/w), preferably greater than 95% by weight, containing cobalamin in complex form with transcobalamin at a concentration greater than or equal to 5 ⁇ g/g, preferably greater than or equal to 8 ⁇ g/g, even more preferably greater than or equal to 10 ⁇ g/g of proteins.
- the isolates according to the invention can be in liquid form (step f not implemented) or in powder form (implementation of step f).
- it In the case where it is in liquid form, it has the same characteristics as the powder in terms of composition relative to the dry matter and generally comprises between 5 and 25%, preferably between 10 and 20%, by weight of water. .
- the present invention relates to a food product for human or animal consumption, to a human or animal medicine or to a food supplement containing a cationic protein isolate according to the invention.
- the isolates according to the invention have a microbial load such that the count of the aerobic mesophilic flora is less than 1000, preferably less than 100 or 10 and even more preferably less than 1 cfu/g of isolate powder according to the invention or less than 100, preferably less than 10, even more preferably less than 1 cfu/ml of liquid isolate.
- the combination of the use of a concentrated dairy material and a radial flow column makes it possible to produce, in a stable and efficient manner, two kinds of isolates of high purity in lactoferrin by cation exchange chromatography by choosing the appropriate conditions:
- Such isolates according to the invention are of particular interest for the preparation of infant milks (milks for infants or follow-on milks) based on cow's or goat's milk.
- This isolate may have a nutritional advantage for a food supplement intended for vegetarians or for a nutritional preparation intended for people deficient in the absorption of vitamin B12 such as people who have undergone a gastrectomy or people chronically treated with PPIs (inhibitors of proton pump).
- this isolate can provide, in addition to the benefits of lactoferrin, an important source of vitamin B 12 of high bioavailability even in a situation of absence of the intrinsic factor secreted by the stomach.
- the present invention thus also relates to food supplements comprising the isolate according to the invention enriched with vitamin B 12, that is to say an isolate whose lactoferrin protein purity is > 90% or 95% and whose vitamin B 12 content is >5 pg/g protein, preferably >8 pg/g protein, even more preferably greater than or equal to 10 pg/g protein.
- the content of isolate according to the invention in the food supplement will be chosen according to the profile of the population to be supplemented, therefore the dose of vitamin B 12 to be administered, and the vitamin B 12 content of the isolate.
- a daily dose of 150 to 1000 mg in protein of the isolate according to the invention enriched with vitamin B 12 at 6 pg/g of protein can provide 0.9 to 6.0 pg of vitamin B 12 in complex form. with transcobalamin.
- 100 to 600 mg of protein from the isolate according to the invention enriched with vitamin B12 at 10 pg/g of protein can provide 1.0 to 6.0 pg of vitamin B 12 in complex form with transcobalamin.
- a food supplement can cover the needs of each population group shown in the table below even if the intestinal absorption of vitamin B 12 is disturbed.
- the present invention also relates to an isolate whose lactoferrin protein purity is >90% or 95% and whose vitamin B12 content is > 5 pg/g of protein, preferably > 8 pg/g of protein, more preferably at >10 pg/g of protein to prevent and/or treat deficient absorption of vitamin B 12, for example in patients having undergone a gastrectomy or chronically treated with PPIs (proton pump inhibitors).
- Cobalamin vitamin B 12
- the invention therefore relates to food products for human or animal consumption comprising an isolate according to the invention; in the context of infant formulas, either infant formulas/milks or/and follow-on formulas/milks, an isolate whose lactoferrin protein purity is >95% and whose vitamin B 12 content is preferably used is ⁇ 5 pg/g protein.
- the degree of incorporation of the isolate according to the invention is from 50 to 1000 mg of protein in one liter of a ready-to-eat formula.
- the present invention also relates to non-food products, such as hygiene products and cosmetic products comprising an isolate according to the invention.
- Also included in the present invention are products for the hygiene of the oral cavity, such as toothpastes in gel or paste form, mouthwashes, chewing gums, comprising an isolate according to the invention.
- the incorporation rate of the isolate according to the invention is from 1 to 100 mg of protein in one gram of a product.
- Figure 1 Schematic representation of the process for obtaining the cationic whey protein isolate of high lactoferrin purity.
- Figure 2 Pressure drop generated by the radial flow column and different parameters of the passage of pasteurized skimmed milk (concentrations in DM and in MP, flow rates in DM and in MP) (example 4)
- Figure 4 PI HPLC profile (reverse phase high performance liquid chromatography; C18 300 ⁇ column, 0.1% TFA in H2O/CH3CN in gradient, detection at 280 nm) of ingredient 1 of example 5.
- Figure 5 SEC HPLC profile (size exclusion high performance liquid chromatography; TSK G3000PWxl column, CH3CN/H20/TFA, detection at 210 nm) of ingredient 1 of example 5. Indications of molecular weights top according to the retention times of the control proteins.
- Figure 7 PI HPLC profile of ingredient 3 of example 6.
- Example 1 Benchtop test with pasteurized skimmed cow's milk (control)
- Pasteurized skimmed cow's milk was passed through an axial flow column (1.6 cm in diameter) containing 20 mL (BV) of SP Sepharose Big Beads at a linear speed of 400 cm/h at variable volume of pasteurized skimmed milk;
- Example 2 Benchtop test with concentrated pasteurized skimmed cow's milk
- Cow's milk was skimmed, then pasteurized at 73°C for 20 seconds, then cooled to 6°C.
- This pasteurized skimmed cow's milk with a DM of 92 g/L was concentrated by reverse osmosis to 130 g/L of DM at 6°C.
- the concentration of bovine lactoferrin in this concentrated pasteurized skimmed milk was measured by HPLC SCX (Propac SCX column, 20 mM phosphate buffer in NaCl gradient, detection at 280 nm);
- Example 3 Benchtop test with concentrated pasteurized skimmed cow's milk
- Cow's milk was skimmed, then pasteurized at 73°C for 20 seconds, then cooled to 6°C.
- This pasteurized skimmed cow's milk with a DM of 92 g/L was concentrated by reverse osmosis to 130 g/L of DM at 6°C.
- the concentration of bovine lactoferrin in this concentrated pasteurized skimmed milk was measured by HPLC SCX (Propac SCX column, 20 mM phosphate buffer in NaCl gradient, detection at 280 nm);
- the cobalamin content (vitamin B 12) in this 2nd eluate was also measured by the AO AC method. Thus, its content by total protein was obtained.
- Example 4 Industrial scale test with pasteurized skimmed cow's milk (control) Although pasteurized skimmed milk concentrated at -130 g/L can pass through a bench-scale axial column, it is difficult to consider a stable production over time on an industrial scale with the passage of a complex matrix such as a dairy material, in particularly concentrated, both because of a high pressure drop and clogging of the filtering surface.
- compositions of these non-concentrated and concentrated pasteurized skimmed milks are as follows:
- DM dry matter
- MAT total nitrogenous matter
- MP protein materials
- Table 4 Composition of the starting skimmed milks 3) After having prepared the concentration level of pasteurized skimmed milk by mixing in line, it is passed at different flow rates through the radial flow column previously prepared at a temperature of 10°C .
- Example 5 industrial trial for the manufacture of pure whey isolate in bovine lactoferrin with concentrated pasteurized skimmed milk
- Cow's milk was skimmed, then pasteurized at 73°C for 20 seconds, then cooled to 6°C, then concentrated by reverse osmosis to 128 g/L DM at 6°C;
- Steps 2-4 were repeated 10 times;
- Example 6 industrial test for the manufacture of pure whey isolate in bovine lactoferrin with concentrated pasteurized skimmed milk
- Cow's milk was skimmed, then pasteurized at 73°C for 20 seconds, then cooled to 6°C, then concentrated by reverse osmosis to 120 g/L DM at 6°C;
- Steps 2-4 were repeated 15 times;
- the whey protein isolate enriched with bovine lactoferrin obtained in the form of the microfiltrate has undergone the following additional treatments in order to guarantee the stability of this protein fraction: i. Part of the microfiltrate was microfiltered on a 0.2 ⁇ m PES membrane (Supor® Pali), then placed in sterilized 1 L bottles (Ingredient 3) ii. The rest of the microfiltrate underwent spray drying and 60 kg of powder were obtained (Ingredient 2).
- the concentration of caprine ⁇ -lactoglobulin and caprine ⁇ -lactalbumin in this concentrated whey was measured by SEC HPLC (column TSK G3000PWxl, CH3CN/H20/TFA, detection at 210 nm).
- the caprine lactoferrin concentration in this concentrated whey was measured by HPLC SCX (Propac SCX column, 20 mM phosphate buffer in NaCl gradient, detection at 280 nm).
- Example 8 bench test with concentrated cheese whey from pasteurized skimmed goat's milk 1) 240 L of cheese whey from pasteurized goat's milk (at 74 ° C for 30 seconds) was concentrated on an ultrafiltration (membrane organic spiral with MWCO of 10 kDa).
- the compositions of the retentate obtained (60 L) were in the table below:
- the concentration of caprine ⁇ -lactoglobulin and caprine ⁇ -lactalbumin in this concentrated whey was measured by SEC HPLC (column TSK G3000PWxl, CH3CN/H20/TFA, detection at 210 nm).
- the caprine lactoferrin concentration in this concentrated whey was measured by HPLC SCX (Propac SCX column, 20 mM NaPB/NaCl gradient, detection at 280 nm).
- Example 9 test for the preparation of powdered infant milk supplemented with bovine lactoferrin (low Vitamin B 12 content)
- a cow's milk powdered infant formula was prepared by a standard manufacturing process by formulating with skimmed cow's milk, lactose, maltodextrins, oleic sunflower oil, anhydrous milk fat, demineralized whey, protein solubles, galacto-oligosaccharides, sunflower oil, rapeseed oil, soya lecithin, sunflower lecithin, calcium phosphate, fish oil, potassium phosphate, Mortierella alpina oil, choline bitartrate, calcium chloride, potassium citrate , magnesium citrate, sodium chloride, fructo-oligosaccharides, vitamin C, ferric pyrophosphate, calcium carbonate, taurine, potassium hydroxide, potassium chloride, inositol, nucleotides, L-phenylalanine, extract rich in tocopherols, L-palmitate ascorbyl, zinc sulphate, L-tryptophan, vitamin E, potassium iodide, L-carnitine
- Table 11 The composition of a powdered infant milk incorporated in ingredient 1
- Example 10 trial of nutritional formulation in powder supplemented with bovine lactoferrin (high Vitamin B 12 content)
- a milk for infants (foodstuffs intended for special medical purposes, or DADFMS) in powder form made from cow's milk was prepared by a standard manufacturing process by formulating with skimmed milk, vegetable oils (palm, rapeseed, copra , sunflower), demineralized soluble protein, lactose, starch, carob seed flour, lecithin, calcium citrate, fish oil, Mortierella alpina oil, calcium carbonate, vitamin C, calcium phosphate, potassium citrate, potassium citrate, sodium, calcium hydroxide, choline chloride, taurine, vitamin E, inositol, ferrous sulfate, L-tryptophan, potassium chloride, calcium chloride, high tocopherol extract, L-ascorbyl palmitate, L-carnitine, magnesium sulfate , nucleotides, zinc sulfate, vitamin A, nicotinamide, vitamin K, vitamin D, calcium pantothenate, copper sulfate, thia
- DADFMS infant milk powder was mixed with ingredient 2 at an incorporation rate of 400 mg/100 g.
- An intake of 3.1 pg of vitamin B 12 in complex form with transcobalamin per 100 g of the powder formulation was obtained by this incorporation of ingredient 2.
- Example 11 test of nutritional powder formulation supplemented with bovine lactoferrin (high Vitamin B 12 content)
- a milk for infants (dietary foods for special medical purposes, DADFMS) in liquid from cow's milk was prepared by a manufacturing process standard by formulating with Skimmed milk, soluble demineralized proteins, vegetable oils (palm, palm kernel, rapeseed, sunflower), lactose, soy lecithin, sunflower lecithin, sodium citrate, calcium phosphate, potassium citrate, calcium chloride, carbonate calcium, vitamin C, Mortierella alpina oil, fish oil, calcium hydroxide, potassium chloride, vitamin E, choline chloride, taurine, ferrous sulphate, extract rich in tocopherols, L-ascorbyl palmitate, inositol, sulphate of zinc, nucleotides, L-carnitine, nicotinamide, vitamin A, magnesium sulphate, vitamin K, vitamin D, calcium pantothenate, copper sulphate, thiamin, vitamin B6, riboflavin, manganese sulphate, folic acid
- DADFMS infant milk in liquid form was sterilized by ultra-high temperature (UHT) heat treatment, then mixed with ingredient 3 with an incorporation rate of 410 mg/100 g (on dry matter).
- UHT ultra-high temperature
- An intake of 0.43 pg of vitamin B 12 in complex form with transcobalamin per 100 mL of the liquid formulation was obtained by this incorporation of ingredient 3.
- Example 12 preparation of a food supplement in capsule form using bovine lactoferrin (high Vitamin B 12 content)
- a food supplement in capsule form was prepared from the mixture of ingredient 2 of Example 5 (99.5% of the mixture) and colloidal silica (0.5% of the mixture). Each capsule contains 200 mg of protein.
- the content of vitamin B 12 in complex form with transcobalamin is 1.6 pg/capsule.
- the recommended daily dose for each population group is as follows:
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PCT/EP2021/087268 WO2022136536A1 (fr) | 2020-12-22 | 2021-12-22 | Nouveau procédé de préparation d'un isolat de protéines cationiques de lactosérum et le produit ainsi obtenu |
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EP (1) | EP4322755A1 (fr) |
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CN (1) | CN116600781A (fr) |
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DE69300674T2 (de) * | 1992-01-15 | 1996-05-15 | Campina Melkunie Bv | Verfahren zur isolierung von lactoferrin und lactoperoxidase aus milch und milchprodukten. |
US6096870A (en) * | 1994-01-05 | 2000-08-01 | Sepragen Corporation | Sequential separation of whey |
FR2841747B1 (fr) * | 2002-07-02 | 2004-08-20 | Cie Laitiere Europeenne | Isolat de proteines de lait et procede pour sa preparation |
DE602006015164D1 (de) * | 2006-03-27 | 2010-08-12 | Nestec Sa | Kosmetische Verwendung von Molkeproteinmizellen |
WO2011065552A1 (fr) * | 2009-11-30 | 2011-06-03 | 明治乳業株式会社 | Composition nutritionnelle bénéfique pour l'intestin grêle |
EP2560679A4 (fr) * | 2010-04-23 | 2013-09-18 | Probiotec Ltd | Traitement de l'eczéma |
WO2014163485A1 (fr) * | 2013-04-03 | 2014-10-09 | N.V. Nutricia | Procédé et système pour préparer une formule de lait sec |
RU2634859C1 (ru) * | 2016-10-03 | 2017-11-07 | Общество с ограниченной ответственностью "Молочный Кит" | Способ выделения и очистки лактоферрина из молочного сырья |
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AU2021405636A1 (en) | 2023-07-13 |
US20240032554A1 (en) | 2024-02-01 |
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