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EP1619236B1 - Procédé pour diminuer la teneur en cholestérol dans les huiles ou les graisses - Google Patents

Procédé pour diminuer la teneur en cholestérol dans les huiles ou les graisses Download PDF

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Publication number
EP1619236B1
EP1619236B1 EP05014281A EP05014281A EP1619236B1 EP 1619236 B1 EP1619236 B1 EP 1619236B1 EP 05014281 A EP05014281 A EP 05014281A EP 05014281 A EP05014281 A EP 05014281A EP 1619236 B1 EP1619236 B1 EP 1619236B1
Authority
EP
European Patent Office
Prior art keywords
cholesterol
fat
oil
process according
demineralized
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.)
Expired - Lifetime
Application number
EP05014281A
Other languages
German (de)
English (en)
Other versions
EP1619236A1 (fr
Inventor
Steffen Dr. Hruschka
Klemens Dipl.-Ing. Geissen
Wladislawa Boszulak
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.)
GEA Mechanical Equipment GmbH
Original Assignee
Westfalia Separator GmbH
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
Application filed by Westfalia Separator GmbH filed Critical Westfalia Separator GmbH
Publication of EP1619236A1 publication Critical patent/EP1619236A1/fr
Application granted granted Critical
Publication of EP1619236B1 publication Critical patent/EP1619236B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B3/00—Refining fats or fatty oils
    • C11B3/006—Refining fats or fatty oils by extraction

Definitions

  • the invention relates to a method for reducing the cholesterol content in cholesterol-containing organic, especially animal oils or fats. Such methods are described, for example, in the Korean Journal of Animal Science, 5.299-306 (1996), WO-A-9833875 . EP-A-0350379 and EP-A-0256911 disclosed.
  • oils or fats in particular of animal nature, preferably beef tallow, as high-quality processing as possible, it is desirable to reduce the cholesterol content in these oils or fats in a simple manner.
  • a particularly advantageous and suitable product for the treatment with the method according to the invention is the beef tallow.
  • the separation of the cholesterol-containing aqueous phase by means of a separating centrifuge, in particular a separating separator with a vertical axis of rotation with plate package, is particularly rapid and effective.
  • step a) has a fixed pH either in a particular acidic or in a basic range.
  • the demineralized and / or distilled water added in step a) has a pH between 4 and 6, preferably between 5 and 6 or if the demineralized and demineralized water added in step a) / or distilled water has a pH between 6.5 and 8. Most advantageous is a pH of the added water of 5 to 6.
  • the separation takes place immediately after the addition of the water, which is understood to mean directly a period of not more than 5-10 minutes, in particular of preferably up to 120 seconds or particularly preferably up to 60 seconds.
  • a buffer tank before separating the aqueous phase is also conceivable.
  • Fig. 1 shows a diagram representing the results of some experiments carried out by the method according to the invention.
  • the mixtures of beef tallow and water were then each immediately after the addition of water in a bucket centrifuge each separated into an aqueous cholesterol-containing phase and a cholesterol-reduced oil or fat phase.
  • the significant reductions in the cholesterol content of the beef tallow to be recognized in the figure of up to 40% resulted in an optimum in the acid range of the fixed pH value adjustment of the added water given above.
  • FIGS. 2 to 3 correspondingly show the results of two individual experiments.
  • a pH adjustment in the claimed ranges of the pH correction of the added water leads in each case to a particularly clear cholesterol value reduction.
  • Citric acid or caustic soda was used to adjust the pH.
  • the water was dosed cold to the tallow (50 ° C).
  • the extraction time was 5 min.
  • Fig. 3 was correspondingly in a further experiment with another sample in the mixing ratio 1: 1, a reduction of 660 ppm to 400 ppm with the addition of distilled water with a pH of 5 and 660 ppm to 540 ppm with the addition of distilled water without pH adjustment reached.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Fats And Perfumes (AREA)
  • Edible Oils And Fats (AREA)
  • Steroid Compounds (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Claims (9)

  1. Procédé pour la réduction de la teneur en cholestérol d'huiles ou de graisses organiques, en particulier d'origine animale, contenant du cholestérol, caractérisé en ce que
    a. de l'eau déminéralisée et/ou distillée de pH fixement défini est ajoutée à l'huile ou à la graisse, et
    b. le mélange de l'huile ou de la graisse avec l'eau déminéralisée et/ou distillée est séparé en une phase aqueuse contenant du cholestérol et une phase d'huile ou de graisse à taux de cholestérol réduit.
  2. Procédé selon la revendication 1, caractérisé en ce que la séparation de la phase aqueuse contenant du cholestérol est effectuée au moyen d'une centrifugeuse.
  3. Procédé selon la revendication 1 ou la revendication 2, caractérisé en ce que la séparation de la phase aqueuse contenant du cholestérol est effectuée au moyen d'une centrifugeuse séparatrice, en particulier au moyen d'un séparateur.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'eau déminéralisée et/ou distillée ajoutée en phase a) présente un pH fixement défini compris entre 4 et 6, de préférence entre 5 et 6.
  5. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'eau déminéralisée et/ou distillée ajoutée en phase a) présente un pH fixement défini compris entre 6,5 et 8.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que la séparation est effectuée immédiatement après l'ajout d'eau, « immédiatement » renvoyant à une durée inférieure à 5 à 10 minutes, de préférence inférieure à 120 secondes, et notablement préférentiellement inférieure à 60 secondes.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que les phases a) et b) d'ajout d'eau et de séparation de la phase aqueuse sont répétées une ou plusieurs fois.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que de la graisse de boeuf hachée est employée en tant qu'huile ou graisse.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que de l'eau est ajoutée à l'huile ou à la graisse suivant un rapport de 1:1.
EP05014281A 2004-07-21 2005-06-30 Procédé pour diminuer la teneur en cholestérol dans les huiles ou les graisses Expired - Lifetime EP1619236B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004035217 2004-07-21
DE102004037106A DE102004037106A1 (de) 2004-07-21 2004-07-30 Verfahren zur Reduzierung des Cholesterolgehaltes in Ölen oder Fetten

Publications (2)

Publication Number Publication Date
EP1619236A1 EP1619236A1 (fr) 2006-01-25
EP1619236B1 true EP1619236B1 (fr) 2007-10-31

Family

ID=34937741

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05014281A Expired - Lifetime EP1619236B1 (fr) 2004-07-21 2005-06-30 Procédé pour diminuer la teneur en cholestérol dans les huiles ou les graisses

Country Status (7)

Country Link
US (1) US7695748B2 (fr)
EP (1) EP1619236B1 (fr)
AT (1) ATE377065T1 (fr)
AU (1) AU2005203155B2 (fr)
DE (2) DE102004037106A1 (fr)
DK (1) DK1619236T3 (fr)
ES (1) ES2296009T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8110235B2 (en) * 2008-05-06 2012-02-07 Alliance Enterprises Of S.E. Wisconsin, Llc Methods for reducing cholesterol in a milk product
US8092852B2 (en) * 2008-05-15 2012-01-10 I. Edward Salinas Systems and methods for producing reduced cholesterol dairy products

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1413579A (en) * 1921-06-09 1922-04-25 Catherine A Gill Basting cover for roasting pans
US3613555A (en) * 1969-05-29 1971-10-19 Murray Ogman Disposable cooking grease trap
US3804965A (en) * 1970-06-29 1974-04-16 L Peters Method for roasting meat
US4704294A (en) * 1985-10-23 1987-11-03 Durkee Famous Foods, Inc. Dry mix composition for home preparation of gravies
FR2601959B1 (fr) * 1986-07-24 1988-12-02 Monserbio Gie Procede d'elimination du cholesterol contenu dans une matiere grasse d'origine animale et matiere grasse appauvrie en cholesterol obtenue
FR2633936B1 (fr) * 1988-07-05 1991-04-12 Sanofi Sa Procede d'extraction du cholesterol contenu dans une matiere grasse d'origine animale
US5232725A (en) * 1989-03-14 1993-08-03 S.A.N. Corman Process for reducing the content of cholesterol and of free fatty acids in an animal fat
US5116633A (en) * 1989-07-18 1992-05-26 Trustees Of Boston University Meat products having a markedly reduced saturated fat and cholesterol content and a markedly increased unsaturated fat content
US4980185A (en) * 1989-07-18 1990-12-25 Trustees Of Boston University Method for making meat products having a reduced saturated fat and cholesterol content
US5091203A (en) * 1989-12-01 1992-02-25 Campbell Soup Company Method for removing cholesterol from eggs
US5128162A (en) * 1990-07-31 1992-07-07 Kraft General Foods, Inc. Method for removing cholesterol from edible oils
US5370890A (en) * 1992-07-06 1994-12-06 The Regents Of The University Of California Aqueous process to remove cholesterol from food products
US5316780A (en) * 1992-10-14 1994-05-31 Kraft General Foods, Inc. Method for extracting cholesterol from egg yolk
PL322505A1 (en) * 1995-02-22 1998-02-02 Chris Ritter Method of reducing content of steroles and free fatty acids in animal fat
US5880300A (en) * 1997-01-31 1999-03-09 Cargill, Incorporated Phospholipid-based removal of sterols from fats and oils
US6129945A (en) * 1998-12-10 2000-10-10 Michael E. George Methods to reduce free fatty acids and cholesterol in anhydrous animal fat

Also Published As

Publication number Publication date
AU2005203155B2 (en) 2010-12-16
EP1619236A1 (fr) 2006-01-25
DK1619236T3 (da) 2008-02-25
DE102004037106A1 (de) 2006-02-16
ES2296009T3 (es) 2008-04-16
US20060019008A1 (en) 2006-01-26
US7695748B2 (en) 2010-04-13
AU2005203155A1 (en) 2006-02-09
DE502005001808D1 (de) 2007-12-13
ATE377065T1 (de) 2007-11-15

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