WO2016005625A1 - Système et procédé de mise en bouteille de produits laitiers - Google Patents

Système et procédé de mise en bouteille de produits laitiers Download PDF

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Publication number
WO2016005625A1
WO2016005625A1 PCT/ES2015/070331 ES2015070331W WO2016005625A1 WO 2016005625 A1 WO2016005625 A1 WO 2016005625A1 ES 2015070331 W ES2015070331 W ES 2015070331W WO 2016005625 A1 WO2016005625 A1 WO 2016005625A1
Authority
WO
WIPO (PCT)
Prior art keywords
packaging
dairy
oxygen
dairy product
product
Prior art date
Application number
PCT/ES2015/070331
Other languages
English (en)
Spanish (es)
Inventor
Antonio Vera Prieto
Jorge Isern Jara
Original Assignee
Antonio Vera Prieto
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 Antonio Vera Prieto filed Critical Antonio Vera Prieto
Publication of WO2016005625A1 publication Critical patent/WO2016005625A1/fr

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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
    • A23C7/00—Other dairy technology

Definitions

  • the purpose of this application is to register a system and a procedure for packaging dairy products that incorporate notable innovations. More specifically, the invention proposes the development of a system and a method of packaging dairy products that includes the effective replacement of the oxygen present in the dairy product with nitrogen, which ensures optimum conservation.
  • UHT uperization
  • the number of microorganisms present in milk is greatly reduced and can be stored at room temperature for a period longer than simply pasteurized milk;
  • this thermal process modifies the flavor and nutritional properties against pasteurized milk.
  • the present invention has been developed in order to provide a dairy product packaging system and the procedure followed by it to solve the aforementioned drawbacks, also providing other additional advantages that will be apparent from the accompanying description. then.
  • a dairy product packaging system comprising a pasteurization unit linked to at least one homogenizer, and additionally comprising first oxygen-nitrogen gas exchange means linked to the outlet of the homogenizer, presenting flow stabilization means between the first oxygen-nitrogen gas exchange means and at least one packaging unit associated with the output of the flow stabilization means, the packaging unit comprising a sealed space that houses means for the filling of containers and combustion means.
  • the presence of combustion means at the point of packaging guarantees that any residual oxygen contained in the dairy product after the first oxygen-nitrogen gas exchange means is effectively removed from the dairy product.
  • the first oxygen-nitrogen gas exchange means preferably comprise at least one pressurized nitrogen injector in the dairy product, an outlet valve for oxygen from the dairy product and at least one stirrer. of the dairy product.
  • the present packaging system may additionally comprise a second oxygen-nitrogen gas exchange means between the flow stabilization means and the packaging unit. The presence of a second oxygen-nitrogen gas exchange means ensures, if necessary, practically the non-presence of oxygen from the dairy product that reaches the packaging unit.
  • the second oxygen-nitrogen gas exchange means comprise an upright coil, the coil having at least one exhaust valve which is advantageously located in the upper or higher part of the coil. Thanks to this valve disposed in the upper part of the coil, the oxygen still present in the dairy product that is displaced by the nitrogen during the circulation of the dairy product from the flow stabilization means, can pass through said valve without any leakage of Dairy product through it.
  • the flow stabilization means may have a flow pool.
  • the means for filling containers can comprise at least one supply outlet of the dairy product to the containers and additionally a nitrogen supply outlet for the same containers, which are gradually filled.
  • the combustion means housed in the sealed space of the packaging unit can present a Bunsen burner that can be combusted with the remaining oxygen of the entire process followed by the dairy product in accordance with the present invention.
  • the packaging unit can additionally house UV radiation emitting means, which guarantee the sterilization of the packaging point to optimize the sterilization of the final packaged product to be distributed, and also the closest environment surrounding the container.
  • a second object of the present invention is a process for packaging dairy products using a packaging system described above, comprising the steps of pasteurization of the dairy product and subsequent homogenization, and further comprising the steps of:
  • a dairy product packaging process is achieved in which the presence of oxygen in the dairy product is effectively replaced by nitrogen after pasteurization and homogenization, which avoids the introduction of oxygen after gas exchange.
  • the effective replacement of oxygen is achieved to prevent oxidation and rancidity of the dairy product.
  • the milk product passes through the second gas exchange means. This is achieved when an even more thorough removal of residual oxygen present in the dairy product is necessary.
  • UV radiation can be applied to the tight space and particularly to the packages containing the dairy product.
  • the pasteurization is carried out at between 75 e C and 83 e C and the packaging is carried out at a temperature below 8 e C. Thanks to this pasteurization temperature, it is possible to maintain an optimal taste of the dairy product at the same time as the presence of microorganisms in it is significantly reduced.
  • the process of the present invention has proven useful whether the dairy product is bovine or goat milk, which is not known in the state of the art.
  • Figure 1 It is a schematic view of a packaging system for dairy products according to the present invention.
  • Figure 2. It is a schematic view of the first oxygen-nitrogen gas exchange means of the packaging system of Figure 1;
  • Figure 3. It is a schematic view of a second oxygen-nitrogen gas exchange means of the packaging system of Figure 1; Y
  • Figure 4.- It is a schematic view of a packaging unit of the packaging system of Figure 1.
  • the packaging system 1 of dairy products advantageously comprises a receiving point 2 of a dairy product, which in the present preferred embodiment may be fresh milk of bovine or caprine origin.
  • This dairy product is conducted to a pasteurization unit 3 linked to at least one homogenizer 4;
  • the pasteurization unit 3 and the homogenizer 4 will not go into more detail since they will be any available in the market.
  • the packaging system 1 additionally comprises first oxygen-nitrogen gas exchange means 5 linked to the outlet of the homogenizer 4.
  • the first oxygen-nitrogen gas exchange means 5 advantageously comprise at least one pressurized nitrogen injector 51 in the product Dairy, as shown in Figure 2. Pressurized nitrogen gas by dynamics and difference in gas density, will displace the oxygen present in the dairy product. This oxygen will leave the first oxygen-nitrogen gas exchange means 5 through an outlet valve 53 for the oxygen and thanks to the presence of at least one agitator 52 of the dairy product.
  • flow stabilization means 6 are present between the first oxygen-nitrogen gas exchange means 5 and preferably second oxygen-nitrogen gas exchange means 7.
  • the means Flow stabilization 6 has a flow pool that stabilizes the flow of milk product after receiving the nitrogen supply and in which nitrogen continues to replace oxygen; This flow pool may be any available to the person skilled in the art, although it will be guaranteed that the dairy product is kept in a tight condition against ambient air.
  • the second oxygen-nitrogen gas exchange means 7 preferably comprise an upright coil 71, such that in a condition of use a flow of milk product is capable of ascending, the coil 71 being present minus an exhaust valve 72 advantageously located in the part upper or higher of the coil in a condition of use.
  • the oxygen that remains in the dairy product after passing through the flow pool also rises by the coil 71 and by gas transfer leaves the dairy product and is positioned in the upper part of the coil 71 where the exhaust valve 72 is located.
  • the packaging system 1 has at least one packaging unit 8 associated with the output of the second oxygen-nitrogen gas exchange means 7, the packaging unit 8 comprising a sealed space that houses means for filling containers 81, 84 and combustion means 83.
  • the means for filling containers 81, 84 comprise at least one supply outlet of the dairy product 81 and advantageously a nitrogen supply outlet 84 to the containers 9;
  • This configuration allows the supply of dairy and nitrogen products within the containers 9 to be carried out in a coordinated manner, being able to choose the optimum moment in which said supplies are carried out;
  • the nitrogen supply outlet 84 allows to fill the hollow space present in the containers 9 filled with milk product to prevent the entry of other gases.
  • the supply outlet of the dairy product 81 and the nitrogen supply outlet 84 are in fluid communication with a drive equipment for the dairy product as well as nitrogen; These drive teams are coordinated with each other. It will be possible that during the filling of the containers 9, they can be agitated with a stirring device (not shown) or that the means for filling containers 81, 84 can remove the dairy product, to help the correct diffusion of nitrogen in said container. product.
  • the containers 9 are properly sealed for sale.
  • the combustion means 83 they preferably have a Bunsen burner that allows combustion of the possible remaining oxygen in the flow of milk product to be packaged.
  • the lighter of the Bunsen type or plurality of the lighter of the Bunsen type may be replaced by any other prior art system in which the possible remaining oxygen has just been combusted.
  • the containers used may preferably be made of polyethylene terephthalate or PET, although it will be obvious to the person skilled in the art to use any other material available in the state of the art with similar properties.
  • the packaging unit 8 additionally houses UV emitting means 82, which can be emitted in any wavelength such that it allows the sterilization of germs in the sealed space of the packaging unit 8 and particularly in the containers 9 to be filled.
  • the above-mentioned packaging system 1 will be executed following a dairy product packaging process comprising the steps of pasteurization of the dairy product received from the milking point in the pasteurization unit 3.
  • the reception, for example, of raw milk can be carried out in a stainless steel tank or similar preferably with a maximum of two days of milking.
  • Pasteurization will preferably be carried out at a temperature between 75 and C and 83 and C for about three minutes, which allows the organoleptic properties to be maintained at an optimum level as well as the nutrients, for example, of fresh milk.
  • the packaging can be carried out at a temperature below 8 e C and during it UV radiation is applied to the containers 9 and combustion takes place with the oxygen present in the sealed space of the packaging unit 8.
  • the passage of the dairy product occurs through the second gas exchange means 7. Thanks to this stage the output can be achieved of the possible residual oxygen of the dairy product, which in the state of the art remains in the dairy product.
  • the present packaging procedure is designed to be applied whether the dairy product is bovine or goat milk.
  • the cannula was placed above the level of the milk in the bottle, the nitrogen flow was increased to a value of 8.0 ⁇ 1.0 L / min, and the air was expelled from the neck of the bottle and the cap for 30 seconds, after which the bottle was capped while continuing to dispense nitrogen until closing. This operation was repeated for a total of five bottles of cow's milk and five bottles of goat's milk.
  • the ten bottles obtained were labeled to identify the type of milk and stored in a laboratory refrigerator at a temperature of 4.8 ⁇ 0.2 e C.
  • the remainder of the pasteurized milk was left covered in their respective original containers and stored in a refrigerator at the same temperature.
  • microbiological analysis was performed 8 weeks after the process of removing air from the milk by displacement with nitrogen. It investigated the following variables:
  • Pasteurized milk preserved under a nitrogen atmosphere according to the object of the present invention retained its characteristic odor unlike milk stored at the same temperature in the presence of air.
  • the microbiological analysis revealed that the bottles treated strictly with this procedure comply with the most restrictive regulations, which is specific for pasteurized milk, Regulation EC 2073/2005 of the European Commission section 2.2.1.
  • the packed samples of cow's and goat's milk following the characteristics of the present invention had a normal odor and color for cow's milk at eight weeks or goat

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Dairy Products (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

Selon l'invention, un système et un procédé de mise en bouteille de produits laitiers comprend la substitution efficace de l'oxygène présent dans le produit laitier par de l'azote, lequel permet de garantir une conservation optimale. Ledit système comprend une unité de pasteurisation reliée à au moins un homogénéiseur, et des premiers moyens échangeurs de gaz d'oxygène-d'azote reliés à l'orifice de sortie dudit homogénéiseur, des moyens de stabilisation du flux étant présents entre les premiers moyens échangeurs de gaz d'oxygène-d'azote, et au moins une unité de mise en bouteille associée à l'orifice de sortie des moyens de stabilisation du flux, ladite unité de mise en bouteille comprenant un espace étanche qui loge des moyens destinés au remplissage des contenants et des moyens de combustion.
PCT/ES2015/070331 2014-07-10 2015-04-22 Système et procédé de mise en bouteille de produits laitiers WO2016005625A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201431033A ES2523025B1 (es) 2014-07-10 2014-07-10 Sistema y procedimiento de envasado de productos lácteos
ESP201431033 2014-07-10

Publications (1)

Publication Number Publication Date
WO2016005625A1 true WO2016005625A1 (fr) 2016-01-14

Family

ID=51899035

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2015/070331 WO2016005625A1 (fr) 2014-07-10 2015-04-22 Système et procédé de mise en bouteille de produits laitiers

Country Status (2)

Country Link
ES (1) ES2523025B1 (fr)
WO (1) WO2016005625A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4935255A (en) * 1985-12-10 1990-06-19 Borden, Inc. Controlled headspace gas packaging of aseptic dairy products while maintaining fat emulsion stability
EP0812544A2 (fr) * 1996-06-14 1997-12-17 Praxair Technology, Inc. Procédé de préparation de produits laitiers à durée de conservation prolongée
US6669973B1 (en) * 1999-03-08 2003-12-30 Nestec S.A. Assembly comprising a container and a ready-to-drink beverage
WO2006011802A1 (fr) * 2004-07-30 2006-02-02 Friesland Brands B.V. Procede de conditionnement de produits liquides neutres, produits obtenus et produits pouvant etre obtenus
EP1790231A1 (fr) * 2004-08-17 2007-05-30 Viktor Vasilievich Marchenko Procede de fabrication de produits a base de lait acidule, procede correspondant de traitement de lait, chaine de fabrication de produits a base de lait acidule et dispositif de traitement de lait destine a cette chaine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4935255A (en) * 1985-12-10 1990-06-19 Borden, Inc. Controlled headspace gas packaging of aseptic dairy products while maintaining fat emulsion stability
EP0812544A2 (fr) * 1996-06-14 1997-12-17 Praxair Technology, Inc. Procédé de préparation de produits laitiers à durée de conservation prolongée
US6669973B1 (en) * 1999-03-08 2003-12-30 Nestec S.A. Assembly comprising a container and a ready-to-drink beverage
WO2006011802A1 (fr) * 2004-07-30 2006-02-02 Friesland Brands B.V. Procede de conditionnement de produits liquides neutres, produits obtenus et produits pouvant etre obtenus
EP1790231A1 (fr) * 2004-08-17 2007-05-30 Viktor Vasilievich Marchenko Procede de fabrication de produits a base de lait acidule, procede correspondant de traitement de lait, chaine de fabrication de produits a base de lait acidule et dispositif de traitement de lait destine a cette chaine

Also Published As

Publication number Publication date
ES2523025A1 (es) 2014-11-20
ES2523025B1 (es) 2015-04-30

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