EP1091655A1 - Proteine coagulee - Google Patents

Proteine coagulee

Info

Publication number
EP1091655A1
EP1091655A1 EP99929544A EP99929544A EP1091655A1 EP 1091655 A1 EP1091655 A1 EP 1091655A1 EP 99929544 A EP99929544 A EP 99929544A EP 99929544 A EP99929544 A EP 99929544A EP 1091655 A1 EP1091655 A1 EP 1091655A1
Authority
EP
European Patent Office
Prior art keywords
protein
chunk
transition metal
metal ions
oxidising agent
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.)
Withdrawn
Application number
EP99929544A
Other languages
German (de)
English (en)
Inventor
Tim Fisher
Charles Speirs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wrigley Candy UK
Original Assignee
Mars UK Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GBGB9814395.1A external-priority patent/GB9814395D0/en
Priority claimed from GBGB9814396.9A external-priority patent/GB9814396D0/en
Application filed by Mars UK Ltd filed Critical Mars UK Ltd
Publication of EP1091655A1 publication Critical patent/EP1091655A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A23J3/12—Animal proteins from blood
    • 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
    • A23J3/22—Working-up of proteins for foodstuffs by texturising
    • A23J3/225—Texturised simulated foods with high protein content
    • A23J3/227—Meat-like textured foods
    • 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
    • A23J3/22—Working-up of proteins for foodstuffs by texturising
    • A23J3/28—Working-up of proteins for foodstuffs by texturising using coagulation from or in a bath, e.g. spun fibres
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A23K10/24—Animal feeding-stuffs from material of animal origin from blood
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/40—Feeding-stuffs specially adapted for particular animals for carnivorous animals, e.g. cats or dogs
    • A23K50/48—Moist feed

Definitions

  • the present invention relates to the preparation of a chunk of coagulated protein, and to the coagulated protein chunk itself.
  • protein can be coagulated in a variety of ways, for example by heating it or treating it with acid. It has now been found that a protein may be coagulated by adding transition metals ions and an oxidising agent to a protein and compressing the reaction product of the transition metal ions, the oxidising agent and the protein. A textured solid mass is produced which may have an internal texture similar to that of cooked meat.
  • a method of forming coagulated protein chunk comprising adding transition metal ions and an oxidising agent to a protein and compressing the resulting reaction product to form a chunk having a laminar structure .
  • transition metal ions and the oxidising agent react to form free radicals and that the free radicals then react with the protein to coagulate it.
  • a method of forming a coagulated protein chunk which comprises: generating free radicals by reacting transition metal ions with an oxidising agent; reacting the free radicals with a protein; and compressing the reaction product of the free radicals and the protein to form a chunk having a laminar structure.
  • reaction of transition metal ions with the oxidising agent and/or the reaction of free radicals with the protein may be heated.
  • the oxidising agent is present at least 0.5% by weight of the protein.
  • transition metal ions are present at least 0.5% by weight of the protein.
  • the protein comprises at least about 5%, preferably at least about 10% by weight of the reaction mixture .
  • the transition metal ions are ferrous ions.
  • the oxidising agent is hydrogen peroxide.
  • a method of forming a blood chunk comprising heating a blood fraction (as defined below) ; treating the heated blood fraction with hydrogen peroxide; and compressing the reaction product of the blood fraction and hydrogen peroxide.
  • the blood fraction is defined herein as comprising from about 14% to about 40% protein and about 35% to 45% red blood cells.
  • the blood fraction may be formed in any way.
  • the blood fraction may be the haemoglobin fraction of blood (as defined below) .
  • the blood fraction may be formed by removing water from whole blood to concentrate it so that it comprises from about 14% to about 40% protein and about 35% to 45% red blood cells.
  • the blood fraction may be reconstituted from purified protein and red blood cells.
  • haemoglobin fraction is meant the residue from whole blood once the plasma, or most of the plasma, has been removed.
  • the haemoglobin fraction consists of red and white blood cells with a residue of plasma.
  • the haemoglobin fraction typically contains from about 14% to about 40% protein and about 35% to about 45% red blood cells. The remainder is mainly water together with other blood components .
  • the blood fraction is a source of protein and ferrous ions.
  • the blood chunk is formed according to this preferred embodiment of the invention, no addition of transition metal ions is required for coagulation of the protein.
  • the hydrogen peroxide is added to the blood fraction at at least 0.5% by weight.
  • concentration of hydrogen peroxide in the reaction mixture which is effective to cause the desired reaction to take place; concentrations of up to 3% (by weight) have been found satisfactory.
  • compression is carried out at a temperature greater than 60°C.
  • the blood fraction is heated to between 60 °C and 80°C before addition of the hydrogen peroxide.
  • the blood fraction comprises at least about 10%, more preferably at least about 15%, by weight protein.
  • the reaction product does not absorb all the water present in the reaction mixture. Such products are useful and their manufacture falls within the scope of the present invention; however, it will usually be necessary to remove the proteinaceous material from the unabsorbed water before it is used.
  • Additives may be included in the blood fraction to modify the nutritional content and flavour of the chunks. It is preferred that the pH of blood fraction is no less than 4, and that it is no greater than 9.
  • Compression of the reaction product of the blood fraction and hydrogen peroxide can be carried out on the reaction product as it is formed, or the reaction product can be stored and then subjected to heating, for example by microwave radiation, prior to compressing.
  • the reaction product may be steamed to give a product having a jelly-like texture.
  • the steaming can be carried out with meat juices or other flavoured aqueous media to impart particular flavours to the product.
  • the product can be dried, preferably at about 60 °C, to produce hard, crunchy chunks, which are useful as a dry pet food.
  • the reaction product of the blood fraction and hydrogen peroxide can be compressed under its own weight.
  • the reaction product may be compressed as a result of restriction of any expansion of the reaction product caused by evolution of gas as the transition metal, oxidising agent and protein react.
  • the pressure at which the reaction product of the blood fraction and the hydrogen peroxide is compressed to achieve the laminar internal structure is not critical; a pressure of up to about 400 kPa is preferred.
  • an edible chunk comprising a major proportion of protein, preferably blood protein, and having a fibrous, laminar internal structure.
  • Figure 1 shows schematically a method according to a first embodiment of the invention
  • Figure 2 shows schematically a method according to a second embodiment of the invention.
  • Figure 3 shows schematically a method according to a third embodiment of the invention.
  • the haemoglobin fraction of blood is pumped from a tank 10 by a peristaltic pump 12 to a steam infuser 14 where the haemoglobin is heated to about 75°C.
  • the heated haemoglobin passes from the steam infuser 14 to a high shear mixer reactor 16, such as a Dispax reactor.
  • a high shear mixer reactor 16 such as a Dispax reactor.
  • the haemoglobin is reacted with hydrogen peroxide pumped from a hydrogen peroxide tank 18 by a hydrogen peroxide pump 20.
  • the reactor is a high shear, low volume mixer to ensure adequate mixing of the two components.
  • the foam reaction product 22 is deposited in a tray 24.
  • the reaction product 22 can be allowed to be compressed by its own weight, in which case the solid mass produced is elastic and can be cut up to provide elastic chunks.
  • pressure can be applied to the reaction product 22 in the tray by application of a pressure plate 26.
  • a solid product 28 having a fibrous, laminar internal structure is produced, which can then be cut into chunks 30 as at 32.
  • the reaction product 22 from the reactor 16 is passed to a piston pump 40 in which the reaction product is compressed. As the reaction product 22 leaves the piston pump 40, it is diced as at 42 to produce chunks 44 having a fibrous, laminar internal structure.
  • the reaction product 22 leaves the reactor 16 through a disperser 50, from where it passes into a mouth formed by the widely separated ends of two converging continuous belts 52, 44.
  • the reaction product is compressed between the two continuous belts, and the resulting solid sheet 56 is cut into chunks 58 as it leaves the continuous belts 52, 54, as at 60.
  • the chunks produced have a fibrous, laminar internal structure.
  • the chunks have a fibrous, laminar internal structure, similar to that of meat chunks, so that the chunks can be readily used in canned food stuffs such as pet foods to provide a protein source which is analogous in appearance and texture to meat .

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Zoology (AREA)
  • Biochemistry (AREA)
  • Nutrition Science (AREA)
  • Molecular Biology (AREA)
  • Animal Husbandry (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Physiology (AREA)
  • Birds (AREA)
  • Fodder In General (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Feed For Specific Animals (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un morceau de protéine coagulée, caractérisé en ce qu'on ajoute des ions de métaux de transition et un agent d'oxydation à une protéine, et on comprime le produit issu de la réaction obtenu, de manière à former un morceau ayant une structure stratifiée. L'invention concerne également un morceau comestible renfermant en majeure partie une protéine et ayant une structure interne stratifiée fibreuse.
EP99929544A 1998-07-02 1999-07-02 Proteine coagulee Withdrawn EP1091655A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9814396 1998-07-02
GB9814395 1998-07-02
GBGB9814395.1A GB9814395D0 (en) 1998-07-02 1998-07-02 Blood chunks
GBGB9814396.9A GB9814396D0 (en) 1998-07-02 1998-07-02 Coagulated protein
PCT/GB1999/002111 WO2000001248A1 (fr) 1998-07-02 1999-07-02 Proteine coagulee

Publications (1)

Publication Number Publication Date
EP1091655A1 true EP1091655A1 (fr) 2001-04-18

Family

ID=26313964

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99929539A Withdrawn EP1091654A1 (fr) 1998-07-02 1999-07-02 Aliments en morceaux pour animaux a base de sang
EP99929544A Withdrawn EP1091655A1 (fr) 1998-07-02 1999-07-02 Proteine coagulee

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP99929539A Withdrawn EP1091654A1 (fr) 1998-07-02 1999-07-02 Aliments en morceaux pour animaux a base de sang

Country Status (5)

Country Link
EP (2) EP1091654A1 (fr)
AU (2) AU765796B2 (fr)
CA (2) CA2336622A1 (fr)
GB (2) GB2340024B (fr)
WO (2) WO2000001247A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5218775B2 (fr) * 1972-11-22 1977-05-24
FR2315858A1 (fr) * 1975-07-04 1977-01-28 Anvar Procede pour l'obtention d'aliments proteiques a partir de tourteaux ou graines d'origine vegetale
GB1562618A (en) * 1976-08-02 1980-03-12 Mars Ltd Food protein products
AU527766B2 (en) * 1977-08-15 1983-03-24 Kliem Foods Pty. Ltd Production of food from blood
JPS5594698A (en) * 1979-01-12 1980-07-18 Tsukishima Kikai Co Ltd Method of improving dehydrating property of organic sludge
DD142144A1 (de) * 1979-03-02 1980-06-11 Siegfried Kummer Verfahren zur herstellung von fibrillaeren und lamellaren eiweissstrukturen
US4526580A (en) * 1983-09-12 1985-07-02 Devro, Inc. Method of preparing collagen extrusion gels
JPH03198746A (ja) * 1989-12-27 1991-08-29 Ogawa Koryo Kk 加工ヘモグロビンおよびその製法
ZA965966B (en) * 1995-07-12 1998-01-12 Nestle Sa Formulated emulsion product and process.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0001248A1 *

Also Published As

Publication number Publication date
CA2336622A1 (fr) 2000-01-13
CA2336357A1 (fr) 2000-01-13
GB9915609D0 (en) 1999-09-01
AU765796B2 (en) 2003-10-02
WO2000001248A1 (fr) 2000-01-13
GB2340024B (en) 2002-10-30
EP1091654A1 (fr) 2001-04-18
GB2340025B (en) 2003-01-15
AU4632999A (en) 2000-01-24
AU4633499A (en) 2000-01-24
AU762042B2 (en) 2003-06-19
WO2000001247A1 (fr) 2000-01-13
GB9915608D0 (en) 1999-09-01
GB2340024A (en) 2000-02-16
GB2340025A (en) 2000-02-16

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