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WO2011070119A1 - Inactivation d'enzymes responsables d'un mauvais goût - Google Patents

Inactivation d'enzymes responsables d'un mauvais goût Download PDF

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Publication number
WO2011070119A1
WO2011070119A1 PCT/EP2010/069295 EP2010069295W WO2011070119A1 WO 2011070119 A1 WO2011070119 A1 WO 2011070119A1 EP 2010069295 W EP2010069295 W EP 2010069295W WO 2011070119 A1 WO2011070119 A1 WO 2011070119A1
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WO
WIPO (PCT)
Prior art keywords
broth
liquid medium
gellan gum
temperature
elodea
Prior art date
Application number
PCT/EP2010/069295
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English (en)
Inventor
Lionel Billard
Original Assignee
Danisco A/S
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.)
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Application filed by Danisco A/S filed Critical Danisco A/S
Priority to BR112012013724A priority Critical patent/BR112012013724B8/pt
Priority to CN201080055267.0A priority patent/CN102791741B/zh
Priority to US13/513,126 priority patent/US20120238643A1/en
Priority to EP10787781.3A priority patent/EP2510015B2/fr
Publication of WO2011070119A1 publication Critical patent/WO2011070119A1/fr
Priority to US15/388,073 priority patent/US10435484B2/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
    • A23L29/269—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of microbial origin, e.g. xanthan or dextran
    • A23L29/272—Gellan
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/99—Enzyme inactivation by chemical treatment
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y301/00—Hydrolases acting on ester bonds (3.1)
    • C12Y301/06—Sulfuric ester hydrolases (3.1.6)
    • C12Y301/06001—Arylsulfatase (3.1.6.1)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01017—Lysozyme (3.2.1.17)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01031—Beta-glucuronidase (3.2.1.31)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y304/00—Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
    • C12Y304/21—Serine endopeptidases (3.4.21)
    • C12Y304/21062—Subtilisin (3.4.21.62)
    • 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

Definitions

  • the present invention relates to reduction of problems with off-taste derived from the activity of impurities in food containing gellan gum.
  • the present invention relates to means and methods for reducing paracresol formation in gellan containing food products.
  • Gellan gum is a water-soluble polysaccharide produced by the bacterium Sphingomonas paucimobilis formerly named as Sphingomonas elodea or Auromonas elodea or Pseudomonas elodea (Pollock, 1993).
  • High acyl (HA) Gellan gum is used primarily as a gelling agent. It is able to withstand 120°C heat.
  • gellan gum is used as a thickener, emulsifier, and stabilizer. If the gellan gum is added, subsequently heated and cooled, the gellan gum provides a gel of unique structure. In manufacture of various dairy products the gellan gum acts as a stabilizer to help formation of a gel.
  • the gellan gum's heat stability and low viscosity at high temperature are especially useful in manufacturing a product going through heat treatment, such as ultra high temperature (UHT) or high temperature short time (HTST) treatments.
  • UHT ultra high temperature
  • HTST high
  • gellan gum In foods, gellan gum is used in a variety of products, cf. Duxbury, D D: "Multi-functional gum gets final FDA approval : gellan gum offers formulators low use levels and high versatility", Food Processing. Issue February 1993.
  • Typical food products incorporating gellan gum include bakery fillings, confections, dairy products, dessert gels, frostings, icings and glazes, jams and jellies, low-fat spreads, microwavable foods, puddings, sauces, structured foods, and toppings. Gellan gum also may be used in canned cat and dog food.
  • gellan gum can be used to produce easy-to-swallow solid dosage forms, such as gels and coated tablets, and to modify the rate of release of active ingredients from tablets and capsules.
  • US patent application publication 2006/0003051 it is suggested to produce a gellan gum composition by a fermentation process comprising growing Sphingomonas elodea in a culture medium, wherein the Sphingomonas elodea produces no catalytically active arylsulfatase or no catalytically active ⁇ -glucuronidase or no catalytically active arylsulfatase and no catalytically active ⁇ -glucuronidase.
  • US 2006/0003051 utilises genetically modified S. elodea, where the genes encoding the two enzymes are suppressed or silenced. It has also been suggested to pretreat the raw gellan gum composition with a denaturing agent prior to combination of the gum with milk. This method is the subject of US patent No. 6,663,911.
  • US patent application publication 2005/0266138 discloses a method for preparation of a low calcium sensitive HA gellan gum, where a fermentation broth containing the gellan gum is adjusted to a pH about 7.5 followed by a subsequent step of pasteurization of the broth.
  • the invention is particularly useful for dairy products with a desired long shelf life at room temperature or above, in that no off-taste is detected after a long storage time.
  • the broth treated is kept warm/hot for the precipitation with alcohol, typically above the gelling temperature.
  • the warm temperature leads the broth to behave like a liquid and not as a gel and allows an efficient mixing with the alcohol. Thus, it ensures a better quality of the precipitation and a better yield for the recovery of the fibres.
  • the precipitation is run continuously, mixing the flow of the broth with the flow of the alcohol, typically with the help of a pump. Then a residence time of some minutes allows the fibres to fully precipitate in the total flow. Doing so, compared with a batch process, the ratio of alcohol introduced is lower, typically 1/1 in weight, thus significantly reducing the costs of production.
  • the present invention relates to a method for the production of gellan gum, under mixing conditions, the method comprising a) providing a fermentation broth or other liquid medium, which contains gellan gum, b) if necessary adjusting the temperature and the pH of the fermentation broth or liquid medium to allow enzymatic treatment in step c, c) adding one or more enzymes capable of reducing or abolishing the enzymatic activity of S. elodea derived arylsulfatase and/or ⁇ -glucuronidase, said one or more enzymes being added in an amount sufficient to reduce or abolish the enzymatic activity of S.
  • elodea derived arylsulfatase and/or ⁇ -glucuronidase in the broth or liquid medium and/or treating the broth/liquid medium at a temperature between 90°C and 125°C for a period of time sufficient to reduce or abolish the enzymatic activity of S. elodea derived arylsulfatase and/or ⁇ -glucuronidase in the broth/liquid medium, and d) optionally recovering the gellan gum from the gellan gum containing broth/liquid medium.
  • the invention in a second aspect, relates to preparation of a gellan containing food product or drug formulation, the method comprising admixing gellan gum obtained by the method of the first aspect of the present invention with food ingredients or drug components and subsequently effecting gelation of the gellan gum so as to obtain said gellan containing food product or drug formulation.
  • the present invention relates to a food product or a drug formulation comprising as one ingredient, a gellan gum obtained by the method of first aspect of the present invention.
  • S. elodea derived arylsulfatase is an arylsulfatase present in S. elodea or in other gellan gum producing Sphingomonas strains.
  • An S. elodea derived arylsulfatase does hence not need to be produced by S. elodea, but rather by a strain which produces gellan gum.
  • Arylsulfatases constitute a group of enzymes active in the hydrolysis of sulfates and the metabolism of mucopolysaccharides.
  • S. elodea derived ⁇ -glucorunidase is a ⁇ -glucorunidase present in S. elodea or in other gellan gum producing Sphingomonas strains.
  • An S. elodea derived ⁇ -glucorunidase does hence not need to be produced by S. elodea, but rather by a strain which produces gellan gum.
  • ⁇ -glucorunidases are enzymes that attack terminal glycosidic linkages in natural and synthetic glucuronides.
  • a “food product” is a product intended for oral intake by humans as part of the daily diet.
  • the term covers both solid, semi-solid and liquid products, in particular the products discussed above, i.e. the food products discussed in Duxbury, D D: "Multi-functional gum gets final FDA approval : gellan gum offers formulators low use levels and high versatility", Food Processing. Issue February 1993.
  • Typical food products thus include bakery fillings, confections, dairy products, dessert gels, frostings, icings and glazes, jams and jellies, low-fat spreads, microwavable foods, puddings, sauces, structured foods, and toppings.
  • a “drug formulation” is a mixture between one or more pharmaceutically active ingredients and at least one carrier, vehicle or excipient - drug formulations of particular interest are according to the present invention those which are intended for oral intake such as gels and coated tablets and capsules.
  • “Dairy products” are defined as foodstuffs produced from milk coming from cows or other mammals.
  • Ultra High Temperature means milk treated at Ultra High Temperature, typically about 135-140°C, during a few seconds.
  • HTST milk means milk treated at High Temperature Short Time, that is to say about 70- 75°C for 15-30 seconds.
  • “Pasteurization” is defined as a moderate heat treatment not leading to sterilization.
  • the treatment can be e.g. HTST or UHT.
  • Disposable milk means a whole milk diluted with water, lowering the final amount of proteins to 2% or 1%.
  • GC Gas Chromatography
  • MS Mass Spectroscopy
  • SIM Selective Ion Monitoring
  • a "chelating agent” is in the present context a substance capable of binding and stabilizing metallic ions by means of the formation of an inert complex compound or ion in which a metallic atom or ion is bound at two or more points to the substance so as to form a ring structure.
  • proteolytic enzyme is an enzyme, which degrades proteins and polypeptides by breaking the peptide bonds in said proteins or enzymes.
  • suitable proteases are those capable of degrading S. elodea derived arylsulfatase and/or ⁇ -glucuronidase to such a degree that the enzymatic activity thereof is substantially reduced or abolished.
  • Preferred proteases can be derived from any source and may be naturally occurring or may be synthetic, semi-synthetic or recombinant analogues of naturally occurring proteases.
  • the mixing conditions may be provided by any means conventionally used in the art and are typically provided by a stirring power input and/or an aeration flow. Mixing may thus be accomplished by use of rotors, propellers, pumps, etc. but also by mechanical movement (e.g. via rolling or tipping) of the entire compartment where the broth is contained - the important goal to achieve is a satisfactory mixing of the contents in the gellan containing broth or liquid medium. Also, the air flow used to maintain a satisfactory aeration during the process may be used to provide the necessary mixing.
  • a chelating agent may advantageously be added to the broth/liquid medium in step a or in step b.
  • the chelating agent is selected from citric acid, oxalic acid, phosphoric acid, DTPA, EDTA, and NTA.
  • the chelating agent is citric acid, it is preferably added in the form of an about 50% solution to the broth/liquid medium.
  • the method entails addition of enzymes in step c)
  • temperature is adjusted to between 20 and 80°C, such as between 50 and 60°C, preferably between 53 and 57°C in step b).
  • the temperature is adjusted by direct injection of steam into a fermentation tank comprising the fermentation broth/liquid medium. It should be noted that the exact choice of temperature set point typically depends on the characteristics of the enzyme(s) being added - if, for instance, the enzymes exhibit maximum enzymatic activity at temperatures lower than 20 (if they e.g. have been isolated from organisms that live under cold or cool conditions), the temperature adjustment will obviously aim at reaching a temperature interval at which the enzymes perform satisfactorily.
  • step b) further comprises an adjustment of pH.
  • the pH is preferably adjusted to be in the range of the optimum activity of said one or more enzymes used in step c.
  • the adjustment of pH is done by addition of NaOH, but other alkaline substances may be utilised.
  • the one or more enzymes added in step c) are preferably one or both of a lysozyme and a protease, such as alcalase.
  • the broth/liquid medium is preferably kept at a temperature about 55°C at about pH 8 for a period of time followed by a subsequent adjustment of pH to between 6 and 7.5, preferably between 6.5 and 7.
  • a temperature "about 55°C” is intended to denote a temperature not below 50°C and not above 60°C. Normally the temperature will not be below 51°C, and it is preferred that the temperature is not below 52°C; it is more preferred that the temperature is not below 53°, and it is especially preferred that it is not below 54°C.
  • the temperature does not exceed 59°C, and it is preferred that it does not exceed 58°C. It is more preferred that the temperature does not exceed 57°, and it is especially preferred that it does not exceed 56°C.
  • the most preferred temperatures about 55°C are in the range between 54.5 and 55.5°.
  • step c) is preferably performed at a temperature between 90 and 125°C, and preferably in the temperature range between 100 and 120°C. Preferred temperatures are thus about 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119 or 120°C.
  • step c) comprises both addition of the one or more enzymes as well as exercise of the thermal treatment.
  • step c) comprises addition of one or more enzymes but not thermal treatment, and in other embodiments step c) comprises thermal treatment but not enzyme treatment.
  • the broth/liquid medium is preferably cooled down to a temperature which still exceeds the gelling temperature of the gellan gum (e.g. to about 80°C) and then precipitated, e.g. by addition of an alcohol such as isopropanol.
  • the precipitation is a continuous precipitation.
  • the invention generally relates to use of lysozyme and/or protease for reducing or abolishing the enzymatic activity of S.
  • the use of elevated temperature for reducing or abolishing the enzymatic activity of S. elodea derived arylsulfatase and/or ⁇ -glucuronidase in a gellan gum containing broth/liquid medium also constitute an embodiment of the first aspect, as does use of a combination of a 1) lysozyme and/or protease and 2) elevated temperature for reducing or abolishing the enzymatic activity of S.
  • the gellan gum is generally employed in a manner known per se. That is, the gellan gum is admixed with the other ingredients of the product to be produced using process parameters identical to or equivalent to those utilised when using gellan gum obtained by methods known in the art.
  • the method of the second aspect does hence not produce a product which has different characteristics in terms of structural differences but rather in a product which exhibits a considerable longer shelf-life before any undesirable off-taste develops due to the activity of S. elodea arylsulfatase and/or ⁇ -glucuronidase activity.
  • the skilled person may e.g. utilise the guidelines and recommendations provided in Duxbury et al. (supra); Giavasis I, Harvey L M, McNeil B : “Gellan Gum,” Crit Rev Biotechnol, 20(3), 177-211, 2000; Miyazaki S, Aoyama H, Kawasaki N, et al. : "In situ gelling formulations as Gellan vehicles for oral delivery [J]," J Controlled Release, 60 (3), 287, 1999; Morris V J : “Bacterial polysaccharides, in Food polysaccharides and their application", Stephen A M, Editor, Marcel Dekker, New York, 341- 375, 1995. 3 rd aspect
  • the 3 rd aspect which relates to products (food products or drug formulations) containing the gellan gum obtained by the method of the invention.
  • Food products which contain the gellan gums are typically selected from the group consisting of bakery fillings, confections, dairy products, dessert gels, frostings, icings and glazes, jams and jellies, low-fat spreads, microwavable foods, puddings, sauces, structured foods, and toppings, whereas drug formulations typically are selected from the group consisting of a gel, a tablet, and a capsule.
  • the gellan gum obtained by the method of the invention is preferably present in an amount effective to function as a thickener and/or emulsifier and/or stabiliser.
  • the pH is adjusted between 6.4 and 7 depending on the
  • the broth is heated by a direct injection of steam in the fermenter until about 55°C is reached and air is fed at the same time to help mix.
  • the pH is increased to about 8.0 with a base.
  • the pH is kept at about 8.0.
  • the broth is transferred to a holding tank while adding 10% of isopropanol.
  • Mixing conditions are adjusted by the stirring power input and/or aeration flow.
  • Experiment 72-3 the protocol conditions but with Protease type II (Protex 6L).
  • Experiments 72-4 and 72-7 the protocol conditions, but with Protease type III (Proteinase T) at 2000 ppm.
  • Experiment 80-B the protocol conditions, but with sodium citrate instead of citric acid and no pH control.
  • the pH is adjusted between 6 and 7.5, and preferably at 6.5.
  • the temperature is adjusted between 90°C and 125°C, preferably between 100-110°C.
  • the residence time is at least 15 minutes.
  • the broth is cooled down to a temperature not lower than the gelling temperature, e.g. at about 80°C. Then it is precipitated in a continuous process, by addition of isopropanol.
  • the ether extract is analysed by GC/MS/SIM.
  • 100 ppb is performed to several samples to verify method performance.
  • Calibration is performed in the range 5 to 250 ppb (external calibration in diethyl ether).
  • + means 'detected'
  • ++ means 'significant'
  • +++ means 'strong'
  • a pasteurization (understood in the state of the art as being performed at a moderate temperature and/or duration) would therefore seem to be insufficient to denature the p- cresol causing enzymes. It is therefore prefereable to use a thermal treatment, with temperature above 100°C and a long duration of about 15 minutes.
  • retorted milk which means "99.78% milk + 0.2% sucrose + 0.02% gellan gum" sterilized in cans at 121°C for 15min, in an autoclave. No p-cresol is detected after 6-weeks of storage at either 20°C or 40°C.

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Abstract

La présente invention porte sur un procédé pour la production de gomme gellane, dans des conditions de mélange, le procédé consistant à a) se procurer un bouillon de fermentation ou un autre milieu liquide contenant de la gomme gellane, b) si nécessaire ajuster la température et le pH du bouillon de fermentation/milieu liquide pour permettre ou faciliter le traitement enzymatique dans l'étape c, c) ajouter une ou plusieurs enzymes aptes à réduire ou supprimer l'activité enzymatique de l'arylsulfatase et/ou de la ß-glucuronidase issues de S. elodea, ladite ou lesdites enzymes étant ajoutées en une quantité suffisante pour réduire ou supprimer l'activité enzymatique de l'arylsulfatase et/ou de la ß-glucuronidase issues de S. elodea dans lebouillon/milieu liquide, et/ou traiter le bouillon/milieu liquide à une température comprise entre 90°C et 125°C pendant une durée suffisante pour réduire ou supprimer l'activité enzymatique de l'arylsulfatase et/ou de la ß-glucuronidase issues de S. elodea dans le bouillon/milieu liquide, et d) éventuellement récupérer la gomme gellane du bouillon/milieu liquide contenant de la gomme gellane.
PCT/EP2010/069295 2009-12-10 2010-12-09 Inactivation d'enzymes responsables d'un mauvais goût WO2011070119A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BR112012013724A BR112012013724B8 (pt) 2009-12-10 2010-12-09 método para a produção de goma gelana, uso de lisozima e/ou protease, uso de uma combinação e método de preparação de um produto alimentício
CN201080055267.0A CN102791741B (zh) 2009-12-10 2010-12-09 诱导异味的酶的失活
US13/513,126 US20120238643A1 (en) 2009-12-10 2010-12-09 Inactivation of off-taste inducing enzymes
EP10787781.3A EP2510015B2 (fr) 2009-12-10 2010-12-09 Inactivation d'enzymes responsables d'un mauvais goût
US15/388,073 US10435484B2 (en) 2009-12-10 2016-12-22 Inactivation of off-taste inducing enzymes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09178663 2009-12-10
EP09178663.2 2009-12-10

Related Child Applications (2)

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US13/513,126 A-371-Of-International US20120238643A1 (en) 2009-12-10 2010-12-09 Inactivation of off-taste inducing enzymes
US15/388,073 Division US10435484B2 (en) 2009-12-10 2016-12-22 Inactivation of off-taste inducing enzymes

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WO2011070119A1 true WO2011070119A1 (fr) 2011-06-16

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EP (1) EP2510015B2 (fr)
CN (1) CN102791741B (fr)
BR (1) BR112012013724B8 (fr)
WO (1) WO2011070119A1 (fr)

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EP2554655A1 (fr) * 2011-08-01 2013-02-06 Döhler GmbH Solution nutritive

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EP2510015B2 (fr) 2022-10-26
CN102791741B (zh) 2017-05-10
US20170233500A1 (en) 2017-08-17
CN102791741A (zh) 2012-11-21
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