US20020114872A1 - Shelf stable carbonated milk beverage - Google Patents
Shelf stable carbonated milk beverage Download PDFInfo
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- US20020114872A1 US20020114872A1 US10/021,651 US2165101A US2002114872A1 US 20020114872 A1 US20020114872 A1 US 20020114872A1 US 2165101 A US2165101 A US 2165101A US 2002114872 A1 US2002114872 A1 US 2002114872A1
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- milk
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- carbonated
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- 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
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
- A23C9/1524—Inert gases, noble gases, oxygen, aerosol gases; Processes for foaming
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- 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
- A23C3/00—Preservation of milk or milk preparations
- A23C3/02—Preservation of milk or milk preparations by heating
- A23C3/03—Preservation of milk or milk preparations by heating the materials being loose unpacked
- A23C3/033—Preservation of milk or milk preparations by heating the materials being loose unpacked and progressively transported through the apparatus
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- 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
- A23C2240/00—Use or particular additives or ingredients
- A23C2240/20—Inert gas treatment, using, e.g. noble gases or CO2, including CO2 liberated by chemical reaction; Carbonation of milk products
Definitions
- the present invention generally relates to food substances, and in particular to beverages. More particularly, the present invention relates to ultra heat treated (UHT) milk drinks which have been carbonated or aerated. Preferred embodiments of the present invention include an ultra heat treated, (UHT) sparkling skim milk including combinations of all ultra heat treated, (UHT) milk and all flavors of ultra heat treated, (UHT) milk, all ultra heat treated, (UHT) fruit juice combinations, ultra heat treated, (UHT) fermented yogurts, ultra heat treated, (UHT) non-dairy products, e.g., soya, field milk, artificial milk and the like. In addition, the present invention relates to a method of carbonating ultra heat treated, (UHT) milk in aseptic and non-aseptic packaging.
- UHT ultra heat treated,
- ultra heat treated (UHT) milk products include all kinds of ultra heat treated (UHT) milk products whether natural or artificial, milk or substitute milk materials, such as for example, whole milk, low fat milk, modified milk, yogurt and milk products in general including combinations with other beverages such as fruit juices, soy and the like.
- Soft drink sales and sales of aerated and or carbonated beverages in general have over a period of time increased so that not only are more beverages in general being sold but the market share of soft drinks and other carbonated drinks have been increasing at the expense of other types of drinks, such as milk product drinks.
- milk product drinks In order to increase the appeal of milk as a drink and hopefully to gain an increased market share for milk drinks, particularly in situations away from a refrigerator such as during out-of-home activities, it has been thought that if carbonated or aerated milk was available, this product, because of its similarities to soft drink in appeal, would be successful in view of it being perceived as a more healthy alternative to soft drinks.
- UHT ultra heat treated
- preheating milk to a temperature of 80 degrees centigrade then heating the preheated milk intensively for a short period of time, i.e., for approximately 2-5 seconds, to approximately 130 degrees-150 degrees centigrade followed by instant cooling to a temperature below 80 degrees-90 degrees centigrade will allow milk to become shelf stable.
- This heat sterilization process which also uses pressure during the ultra heat process kills micro organisms and allows one to keep milk shelf stable without refrigeration.
- Typical ultra heat treated (UHT) milk formulation processes are set forth in the U.S. Pat. No. 3,973,048 to Tetra Pak Development SA (1976), U.S. Pat. No. 6,165,532 to Parmalat S.p.A. (2000) and in U.S. Pat. No. 4,921,717 to Milk Marketing Board (1990).
- UHT pre-heated and pressurized ultra heat treated
- UHT pressurized ultra heat treated
- (C) to provide a method of aerating or carbonating pre-heated and pressurized ultra heat treated (UHT) milk comprising of introducing a gas or a mixture of gases such as carbon dioxide into an pre-heated and pressurized ultra heat treated (UHT) milk product under pressure, maintaining the pre-heated and pressurized ultra heat treated (UHT) milk product in an aerated or carbonated state and packaging the aerated or carbonated pre-heated and pressurized ultra heat treated (UHT) milk product into a package.
- the package includes bottles, aluminum cans, cartons of paperboard, aseptic or non aseptic packaging, plastics including PET, polypropylene and mixtures thereof or the like.
- UHT ultra heat treated
- the foregoing difficulties are obviated in that there is provided a method to carbonate or aerate pre-heated and pressurized ultra heat treated (UHT) milk.
- UHT ultra heat treated
- the carbonated or aerated pre-heated ultra heat treated (UHT) milk is flavored and packaged in sterile bottles, cans or aseptic packaging.
- the un-carbonated milk can be processed into pre-heated and pressurized ultra heat treated (UHT) milk in the usual well known method in the art.
- UHT ultra heat treated
- the milk sample optionally containing any suitable, conventional or desirable additives is pumped from a stainless steel mix tank to an ultra heat treatment (UHT) plant where in the first stage which is the UHT pre-heater being a plate heat exchange, the milk is indirectly heated from a temperature of from 4 to 8 degrees centigrade to a temperature of about 138 degrees centigrade. After attaining a temperature of 138 degrees centigrade the milk is ultra heated from 138 to 150 degrees centigrade in the UHT heater where it is held at a pressure of 700 KPA or an appropriate pressure for about 2.25 seconds within limits as required to kill microorganisms, pathogens, bacteria and the like.
- UHT ultra heat treatment
- the pre-heated and pressurized ultra heat treated (UHT) milk product may be carbonated in the following ways by direct injection of sterilized, purified carbon dioxide gas into the coding chamber section of the plate heat exchange to the stainless steel holding receptacles, refrigerated in aseptic modified pressurized maturing tanks.
- One form of the carbonator is substantially integral with the UHT plant.
- Another form of the carbonator may be located remote from the UHT plant.
- the carbonator which may be especially designed or modified for the present UHT plant or may be a conventional carbonator either as is or modified as required comprises a carbon dioxide inlet for receiving carbon dioxide or a mixture of gases, a filter and an injection nozzle (atomizer).
- the supply of carbon dioxide is from 11 to 56 kg per hour and is typically delivered under pressure range of from 50 KPA to 200 KPA.
- the carbon ddioxide then passes through a filter sterilization to ensure that the carbon dioxide which is used to carbonate the preheated ultra heat treated milk is pure, sterilized and aseptic.
- the carbon dioxide undergoes gas filtration and sterilization to produce a substantially purified carbon dioxide.
- the carbon dioxide is passed to a carbon dioxide injector for actual injecting gaseous carbon dioxide into the pre-heated ultra heat treated milk.
- the injector is an adjustable or otherwise controllable carbon dioxide used in the beer brewing or bottling industry or a modified sparger.
- the amount of carbonation is about 3 vols./8 vols.
- the carbon dioxide is supplied at a pressure of 60 p.s.i to the pre-heated ultra heat treated milk.
- the injection of the carbon dioxide takes place by sparging the pre-heated ultra heat treated milk.
- An inlet for the carbonator is provided to admit the pre-heated ultra heat treated milk thereto from the remainder of the UHT plant.
- a further inlet in the form of a conduit is provided for admitting carbon dioxide for atomization.
- Another example is a sparge pipe provided with an injector for dispersion. In one embodiment the pre-heated ultra heat treated milk product is passed through the injector.
- the pre-heated ultra heat treated milk is pumped to a pressurized carbonator holding tank where the carbonated product is held under pressure in order to maintain its carbonation to fully mature and saturate.
- the carbonator holding tank is maintained at a pressure of 450 KPA and a temperature of 2 to 6 degrees centigrade.
- the holding tank is provided with a carbon dioxide sensor probe for measuring the amount of the carbonation of the pre-heated ultra heat treated milk product.
- carbon dioxide from the carbonator is used to carbonate the pre-heated ultra heat treated milk product in line in a manner similar to that described using an injector but with the difference that in this case it is in-line sparger.
- the carbon dioxide is delivered at a pressure which is compatible with the filling operations, typically of about 450 KPA.
- the carbon dioxide is cooled to about 0.2 centigrade or thereabouts and is filtered by two sterile micron filters, typically each being a 3 stage filter arrangement.
- the amount, quality and other characteristics of the carbon dioxide is maintained by an in-line gas analyzer set up for carbon dioxide gas.
- Control of the distribution of carbon dioxide to the in line type modified sparger for pre-heated ultra heat treated milk is by means of a carbon dioxide control panel which controls the amount of carbon dioxide being delivered to various locations for carbonating the ultra heat treated milk product. Conventional gas control means are employed.
- the pre-heated ultra heat treated milk is carbonated by the process described above either using a carbonator more or less integral with the UHT plant, a separate carbonator or an in line sparging pipe, it is conveyed to an aseptic pressure balanced tank which is specifically designed to settle/pacify the pre-heated carbonated ultra heat treated milk. It is then conveyed to the packaging station where the pre-heated carbonated ultra heat treated milk product is packaged into sterile containers.
- suitable containers such as for example cans or bottles
- dry heat such as for example using hot blasts of air heated to a temperature of 150 degrees centigrade directed onto the cans or bottles for about 58 seconds or a chemical (cooled refrigerated) twist rinse sterilizing bath suitable for bottles, including plastic bottles using ultra violet sterilization.
- the bottles or cans may be additionally sterilized by the injection of nitrogen.
- the milk product is maintained at a suitable PH depending on the product, preferably 4.0 to 5.7 during the packaging operations.
- This suitable PH level keeps the pre-heated ultra heat treated milk from approaching or going below the isoelectric point of the milk and thus avoiding the unwanted destabilization and or foaming experienced by the prior art.
- the sterilized containers are purged with sterilized purified carbon dioxide and or nitrogen.
- the packages into which the carbonated milk is packed are bottles, cans, plastic containers, either rigid or flexible. Additionally, the caps, tops, lids, closure means or the like are either separately or simultaneously sterilized by any suitable or convenient method.
- the milk may be further sterilized by non-toxic radiation or pasteurization.
- the filling operation is by means of a modified counter pressure aseptic filler conveniently housed in a clean environment.
- the finished packages are then pressure checked, product coded, boxed into cartons and the cartons are warehoused accordingly.
- aerating or carbonating a pre-heated and pressurized ultra heat treated milk product introducing a carbon dioxide gas or mixture of gases under pressure into a milk product.
Abstract
An aerated or carbonated milk product drink comprising a shelf stable pre-heated and pressurized ultra-heat treated milk product which has been carbonated with a gas or gases under pressure and packaged into a container. The milk product may be natural or artificial milk product including dairy products and non-dairy milk products and includes combinations of milk products with other beverages such as fruit juices. The method of producing the shelf-stable carbonated milk product of the present invention comprises injecting under pressure carbon dioxide gas or a mixture of gases into the milk product at low temperature of less than 10 degrees centigrade and high pressure of from 50 kpa to 200 kpa. The carbonated milk product remains carbonated and shelf stable in the package until opened.
Description
- This application is a divisional of Application No. 09/757,863, filed Jan. 11, 2001.
- The present invention generally relates to food substances, and in particular to beverages. More particularly, the present invention relates to ultra heat treated (UHT) milk drinks which have been carbonated or aerated. Preferred embodiments of the present invention include an ultra heat treated, (UHT) sparkling skim milk including combinations of all ultra heat treated, (UHT) milk and all flavors of ultra heat treated, (UHT) milk, all ultra heat treated, (UHT) fruit juice combinations, ultra heat treated, (UHT) fermented yogurts, ultra heat treated, (UHT) non-dairy products, e.g., soya, field milk, artificial milk and the like. In addition, the present invention relates to a method of carbonating ultra heat treated, (UHT) milk in aseptic and non-aseptic packaging.
- Although the present invention will be described with particular reference to an ultra heat treated, (UHT) milk drink aerated with sterilized and purified carbon dioxide and to methods of carbonating the treated milk, it is to be noted that the present invention is not necessarily limited to this embodiment and the scope of the invention may be more extensive by including within it other beverages aerated with the other gases and gas mixtures of varying ratios, such as substitute milk products, for example soya substitutes.
- It is to be noted that the use of the general term, ultra heat treated (UHT) milk products include all kinds of ultra heat treated (UHT) milk products whether natural or artificial, milk or substitute milk materials, such as for example, whole milk, low fat milk, modified milk, yogurt and milk products in general including combinations with other beverages such as fruit juices, soy and the like.
- Soft drink sales and sales of aerated and or carbonated beverages in general have over a period of time increased so that not only are more beverages in general being sold but the market share of soft drinks and other carbonated drinks have been increasing at the expense of other types of drinks, such as milk product drinks. In order to increase the appeal of milk as a drink and hopefully to gain an increased market share for milk drinks, particularly in situations away from a refrigerator such as during out-of-home activities, it has been thought that if carbonated or aerated milk was available, this product, because of its similarities to soft drink in appeal, would be successful in view of it being perceived as a more healthy alternative to soft drinks.
- The use of ultra heat treated (UHT) milk is well established in the art. It is well known that preheating milk to a temperature of 80 degrees centigrade then heating the preheated milk intensively for a short period of time, i.e., for approximately 2-5 seconds, to approximately 130 degrees-150 degrees centigrade followed by instant cooling to a temperature below 80 degrees-90 degrees centigrade will allow milk to become shelf stable. This heat sterilization process which also uses pressure during the ultra heat process kills micro organisms and allows one to keep milk shelf stable without refrigeration. Typical ultra heat treated (UHT) milk formulation processes are set forth in the U.S. Pat. No. 3,973,048 to Tetra Pak Development SA (1976), U.S. Pat. No. 6,165,532 to Parmalat S.p.A. (2000) and in U.S. Pat. No. 4,921,717 to Milk Marketing Board (1990).
- Unfortunately, these patents do not relate to the process of carbonating or aerating the ultra heat treated (UHT) milk.
- It is to be noted that the carbonation of milk is also well established in the art. Typical milk carbonation formulas are set forth in U.S. Pat. No. 607,362 to FWH Graeff (1898), in U.S. Pat. No. 1,570,975 to D. Sweeney (1926), in U.S. Pat. No. 2,394,303 to H. Griesbeck (1940), in U.S. Pat. No. 4,804,552 to Dairy Research (1989) and U.S. Pat. No. 4,919,960 to Dairy Research (1990).
- Unfortunately, these patents do not relate to carbonating ultra heat treated milk products using a pre-heat and pressure process. In addition, these patents relate to the need of refrigerating the finished milk product and are not shelf stable.
- Thus, a need exists for a carbonated or aerated ultra heat treated (UHT) milk beverage which uses a pre-heat/pressure process and does not need refrigeration for the finished product and is shelf stable.
- Accordingly, several objects and advantages of my invention are:
- (A) to provide a method for carbonation of pre-heated and pressurized ultra heat treated (UHT) milk products and combinations of pre-heated and pressurized ultra heat treated (UHT) milk products and to provide a pre-heated and pressurized ultra heat treated (UHT) carbonated milk product that may also be flavored.
- (B) to provide a method to aerate or carbonate pre-heated pressurized ultra heat treated (UHT) milk with suitable gas or mixture of gases in a suitable package whereby the pre-heated and pressurized ultra heat treated (UHT) milk product remains carbonated in the package for a reasonably long shelf life until opened and no refrigeration is required.
- (C) to provide a method of aerating or carbonating pre-heated and pressurized ultra heat treated (UHT) milk comprising of introducing a gas or a mixture of gases such as carbon dioxide into an pre-heated and pressurized ultra heat treated (UHT) milk product under pressure, maintaining the pre-heated and pressurized ultra heat treated (UHT) milk product in an aerated or carbonated state and packaging the aerated or carbonated pre-heated and pressurized ultra heat treated (UHT) milk product into a package. Typically, the package includes bottles, aluminum cans, cartons of paperboard, aseptic or non aseptic packaging, plastics including PET, polypropylene and mixtures thereof or the like.
- (D) to provide a method of aerating or carbonating pre-heated and pressurized ultra heat treated (UHT) milk without the excessive foaming and destabilization caused by sparging with gases at lightly elevated temperatures.
- In the present invention, the foregoing difficulties are obviated in that there is provided a method to carbonate or aerate pre-heated and pressurized ultra heat treated (UHT) milk. In a preferred embodiment the carbonated or aerated pre-heated ultra heat treated (UHT) milk is flavored and packaged in sterile bottles, cans or aseptic packaging.
- In accordance with the invention, the un-carbonated milk can be processed into pre-heated and pressurized ultra heat treated (UHT) milk in the usual well known method in the art. To carbonate and package, the following formulations can be utilized:
- A. (Ultra Heat Treatment)
- The milk sample, optionally containing any suitable, conventional or desirable additives is pumped from a stainless steel mix tank to an ultra heat treatment (UHT) plant where in the first stage which is the UHT pre-heater being a plate heat exchange, the milk is indirectly heated from a temperature of from 4 to 8 degrees centigrade to a temperature of about 138 degrees centigrade. After attaining a temperature of 138 degrees centigrade the milk is ultra heated from 138 to 150 degrees centigrade in the UHT heater where it is held at a pressure of 700 KPA or an appropriate pressure for about 2.25 seconds within limits as required to kill microorganisms, pathogens, bacteria and the like.
- It is noted the precise conditions can change such as at a temperature of 153 degrees centigrade or similar. Thereupon it is cooled, preferably to below 10 degrees centigrade, more preferably to 2 degrees centigrade immediately. At this point a flavoring agent may be introduced preferably from about 0.1% to 3% or as desired.
- Thus, at this stage in the regeneration part of the UHT plant, there is now provided a pre heated and pressurized ultra heat treated optionally flavored milk product which is well known in the art.
- B. (Milk Product Carbonating)
- The pre-heated and pressurized ultra heat treated (UHT) milk product may be carbonated in the following ways by direct injection of sterilized, purified carbon dioxide gas into the coding chamber section of the plate heat exchange to the stainless steel holding receptacles, refrigerated in aseptic modified pressurized maturing tanks. One form of the carbonator is substantially integral with the UHT plant. Another form of the carbonator may be located remote from the UHT plant.
- Briefly, the carbonator which may be especially designed or modified for the present UHT plant or may be a conventional carbonator either as is or modified as required comprises a carbon dioxide inlet for receiving carbon dioxide or a mixture of gases, a filter and an injection nozzle (atomizer).
- Typically, the supply of carbon dioxide is from 11 to 56 kg per hour and is typically delivered under pressure range of from 50 KPA to 200 KPA. The carbon ddioxide then passes through a filter sterilization to ensure that the carbon dioxide which is used to carbonate the preheated ultra heat treated milk is pure, sterilized and aseptic. Typically, the carbon dioxide undergoes gas filtration and sterilization to produce a substantially purified carbon dioxide. After passing through the filter the carbon dioxide is passed to a carbon dioxide injector for actual injecting gaseous carbon dioxide into the pre-heated ultra heat treated milk.
- Typically, the injector is an adjustable or otherwise controllable carbon dioxide used in the beer brewing or bottling industry or a modified sparger. Typically, the amount of carbonation is about 3 vols./8 vols. And the carbon dioxide is supplied at a pressure of 60 p.s.i to the pre-heated ultra heat treated milk. The injection of the carbon dioxide takes place by sparging the pre-heated ultra heat treated milk. An inlet for the carbonator is provided to admit the pre-heated ultra heat treated milk thereto from the remainder of the UHT plant. A further inlet in the form of a conduit is provided for admitting carbon dioxide for atomization. Another example is a sparge pipe provided with an injector for dispersion. In one embodiment the pre-heated ultra heat treated milk product is passed through the injector.
- Once the pre-heated ultra heat treated milk has been carbonated at 2 degrees centigrade ±1 degrees centigrade it is pumped to a pressurized carbonator holding tank where the carbonated product is held under pressure in order to maintain its carbonation to fully mature and saturate. Typically, the carbonator holding tank is maintained at a pressure of 450 KPA and a temperature of 2 to 6 degrees centigrade. The holding tank is provided with a carbon dioxide sensor probe for measuring the amount of the carbonation of the pre-heated ultra heat treated milk product.
- In another embodiment, carbon dioxide from the carbonator is used to carbonate the pre-heated ultra heat treated milk product in line in a manner similar to that described using an injector but with the difference that in this case it is in-line sparger. In this embodiment, the carbon dioxide is delivered at a pressure which is compatible with the filling operations, typically of about 450 KPA.
- The carbon dioxide is cooled to about 0.2 centigrade or thereabouts and is filtered by two sterile micron filters, typically each being a 3 stage filter arrangement. The amount, quality and other characteristics of the carbon dioxide is maintained by an in-line gas analyzer set up for carbon dioxide gas. Control of the distribution of carbon dioxide to the in line type modified sparger for pre-heated ultra heat treated milk is by means of a carbon dioxide control panel which controls the amount of carbon dioxide being delivered to various locations for carbonating the ultra heat treated milk product. Conventional gas control means are employed.
- In the event the amount of carbon dioxide levels or the amount of the carbonation of the pre-heated ultra heat treated milk product is insufficient, suitable sensors connected to the gas analyzer detect this condition so that by means of the control panel, the insufficiently carbonated product can be diverted to be reprocessed through the carbonator in a return loop to a holding tank to be re-pasteurized to be within the specification.
- C. (Packaging)
- After the pre-heated ultra heat treated milk is carbonated by the process described above either using a carbonator more or less integral with the UHT plant, a separate carbonator or an in line sparging pipe, it is conveyed to an aseptic pressure balanced tank which is specifically designed to settle/pacify the pre-heated carbonated ultra heat treated milk. It is then conveyed to the packaging station where the pre-heated carbonated ultra heat treated milk product is packaged into sterile containers.
- Prior to packing the milk, suitable containers such as for example cans or bottles, are sterilized by dry heat such as for example using hot blasts of air heated to a temperature of 150 degrees centigrade directed onto the cans or bottles for about 58 seconds or a chemical (cooled refrigerated) twist rinse sterilizing bath suitable for bottles, including plastic bottles using ultra violet sterilization. The bottles or cans may be additionally sterilized by the injection of nitrogen.
- The milk product is maintained at a suitable PH depending on the product, preferably 4.0 to 5.7 during the packaging operations. This suitable PH level keeps the pre-heated ultra heat treated milk from approaching or going below the isoelectric point of the milk and thus avoiding the unwanted destabilization and or foaming experienced by the prior art. Just prior to filling, the sterilized containers are purged with sterilized purified carbon dioxide and or nitrogen. Typically, the packages into which the carbonated milk is packed are bottles, cans, plastic containers, either rigid or flexible. Additionally, the caps, tops, lids, closure means or the like are either separately or simultaneously sterilized by any suitable or convenient method.
- After packaging the milk product into individual containers, the milk may be further sterilized by non-toxic radiation or pasteurization. The filling operation is by means of a modified counter pressure aseptic filler conveniently housed in a clean environment. The finished packages are then pressure checked, product coded, boxed into cartons and the cartons are warehoused accordingly.
- Accordingly, the reader will see that a carbonated pre-heated and pressurized ultra heat treated (UHT) milk beverage of the inventor provides a solution to:
- aerating or carbonating a pre-heated and pressurized ultra heat treated milk product introducing a carbon dioxide gas or mixture of gases under pressure into a milk product.
- maintaining the pre-heated ultra heat treated milk product in an aerated or carbonated state and packaging the aerated or carbonated milk product into a shelf stable non-refrigerated package.
- the destabilization effect (frothing and foaming) which occurs when milk is carbonated.
- The described arrangements have been advanced by explanation and many modification may be made without departing from the spirit and scope of the invention which includes every novel feature and novel combination of features herein disclosed.
- Those skilled in the art will appreciate that the invention described herein is susceptible to variations and modifications other than those specifically described. It is understood that the invention includes all such variations and the modifications which fall within its spirit and scope.
Claims (21)
1. An aerated or carbonated shelf stable liquid milk beverage comprising a pre-heated and pressurized ultra heat treated milk product aerated or carbonated with a gas or gas mixture in a suitable package made in accordance with the method of aerating or carbonating a shelf stable pre-heated and pressurized ultra heat treated milk dairy liquid product to a high level of carbonization while not destabilizing the shelf stable pre-heated milk liquid dairy product, comprising:
(1) pre-heating the milk liquid dairy product within a temperature/time range of at least 85 to 138 degrees centigrade for a time period not in excess of 5 seconds;
(2) ultra heating the milk liquid dairy product within a temperature/time range of at least 150 degrees centigrade where it is held at a pressure of 700 KPA or an appropriate pressure to kill microorganisms, pathogens, bacteria and the like;
(3) cooling the liquid dairy product to a temperature of less than about 10 degrees centigrade;
(4) subjecting the cooled liquid dairy product to pressurized carbon dioxide from the carbonator at sufficient pressures and for a sufficient time preferably 11 to 56 kg per hour at a pressure in the range from 50 KPA to 200 KPA such that the taste and mouth feel of carbonated liquid dairy product is no longer that of the un-carbonated liquid dairy product, provided that at least 3 vols. to 8 vols. Of carbon dioxide are dissolved in the liquid dairy product, and;
(5) packaging the so carbonated liquid dairy product in shelf stable closed containers capable of retaining the said degree of carbonation without refrigeration.
2. The milk beverage of claim 1 in which the pre-heated ultra heated treated milk product is whole milk, skim milk, low fat milk, total milk solids, modified milk, non-fat milk, oy milk, non-fat soy milk, or any other milk product either essentially natural or essentially artificial.
3. The milk beverage of claim 2 wherein the preheated and pressurized ultra heat treated carbonated liquid dairy product is at a PH level of between 3.8 and 5.7 and the carbonated liquid dairy product is not destabilized.
4. The milk beverage of claim 3 wherein the liquid milk product is pre heat treated in a plate heat exchange or a comparable industry standard apparatus.
5. The milk beverage of claim 4 wherein the pre heated liquid milk product is ultra heated in an ultra heat treatment apparatus.
6. The milk beverage of claim 5 wherein the pre heated and ultra heated liquid milk product is cooled to 2 degrees centigrade.
7. The milk beverage of claim 6 wherein the liquid milk product which is at 4-8 degrees centigrade is pre heated to a temperature of 65 to 85 degrees centigrade.
8. The milk beverage of claim 7 wherein the pre-heated ultra heat treated liquid milk product is homogenized.
9. The milk beverage of claim 1 wherein flavoring is added in the liquid milk product before packaging.
10. The milk beverage of claim 9 wherein flavoring is added after the ultra heat treatment process.
11. The milk beverage of claim 9 wherein flavoring can be chocolate, vanilla, strawberry, malt and any other flavor desired.
12. The milk beverage of claim 1 in which the pre heated and pressurized ultra heat treated milk is carbonated by a carbonator comprising a direct injection of sterilized, purified carbon dioxide gas or gas mixture.
13. The process of claim 12 in which the carbonator is substantially integral with the ultra heat treatment apparatus.
14. The milk beverage of claim 12 in which the supply of carbon dioxide from the carbonator is from 11 to 56 kg per hour at a pressure in the range from 50 KPA to 200 KPA.
15. The milk beverage of claim 14 in which the injector of the carbonator has an adjustable needle-like valve.
16. The milk beverage of claim 15 in which the carbonator has an injection tube part of which is located in a tube for injecting carbon dioxide perpendicularly to the direction of flow of milk in the tube.
17. The milk beverage of claim 16 in which the amount of carbonation is in the range of from 3 vols. to 8 vols.
18. The milk beverage of claim 12 in which the carbonation takes place at about 0 to 5 degrees centigrade, preferably 2 to 1 degrees centigrade.
19. The milk beverage of claim 18 in which the carbonated milk product is maintained in a pressurized carbonator holding tank or settling tank in order to facilitate the carbonated milk product to mature and saturate.
20. The milk beverage of claim 19 in which the holding or settling tank is maintained at a pressure of 459 KPA and a temperature of from 2 to 6 degrees centigrade.
21. The milk beverage of claim 12 in which the carbonated milk product is packaged into sterile containers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/021,651 US20020114872A1 (en) | 2001-01-11 | 2001-12-19 | Shelf stable carbonated milk beverage |
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Application Number | Priority Date | Filing Date | Title |
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US09/757,863 US20020182296A1 (en) | 2001-01-11 | 2001-01-11 | Shelf stable carbonated milk beverage |
US10/021,651 US20020114872A1 (en) | 2001-01-11 | 2001-12-19 | Shelf stable carbonated milk beverage |
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US09/757,863 Division US20020182296A1 (en) | 2001-01-11 | 2001-01-11 | Shelf stable carbonated milk beverage |
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US20020114872A1 true US20020114872A1 (en) | 2002-08-22 |
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US09/757,863 Abandoned US20020182296A1 (en) | 2001-01-11 | 2001-01-11 | Shelf stable carbonated milk beverage |
US10/021,651 Abandoned US20020114872A1 (en) | 2001-01-11 | 2001-12-19 | Shelf stable carbonated milk beverage |
US10/407,530 Expired - Fee Related US6761920B1 (en) | 2001-01-11 | 2003-04-04 | Process for making shelf-stable carbonated milk beverage |
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US09/757,863 Abandoned US20020182296A1 (en) | 2001-01-11 | 2001-01-11 | Shelf stable carbonated milk beverage |
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US10/407,530 Expired - Fee Related US6761920B1 (en) | 2001-01-11 | 2003-04-04 | Process for making shelf-stable carbonated milk beverage |
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US (3) | US20020182296A1 (en) |
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US607362A (en) | 1898-07-12 | Effervescent milk beverage and method of making same | ||
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-
2001
- 2001-01-11 US US09/757,863 patent/US20020182296A1/en not_active Abandoned
- 2001-12-19 US US10/021,651 patent/US20020114872A1/en not_active Abandoned
-
2003
- 2003-04-04 US US10/407,530 patent/US6761920B1/en not_active Expired - Fee Related
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