WO2021050263A1 - Procédé et système d'extension de la durée de conservation de la bière par neutralisation du ph - Google Patents

Procédé et système d'extension de la durée de conservation de la bière par neutralisation du ph Download PDF

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Publication number
WO2021050263A1
WO2021050263A1 PCT/US2020/047804 US2020047804W WO2021050263A1 WO 2021050263 A1 WO2021050263 A1 WO 2021050263A1 US 2020047804 W US2020047804 W US 2020047804W WO 2021050263 A1 WO2021050263 A1 WO 2021050263A1
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WIPO (PCT)
Prior art keywords
beer
level
neutralized
target
adjusted
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Application number
PCT/US2020/047804
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English (en)
Inventor
Frederik HAVEL
Original Assignee
Coors Brewing Company
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Publication date
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Publication of WO2021050263A1 publication Critical patent/WO2021050263A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/02—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
    • C12H1/04—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material
    • C12H1/0432—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material with the aid of ion-exchange material
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12C—BEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C11/00—Fermentation processes for beer
    • C12C11/11—Post fermentation treatments, e.g. carbonation, or concentration
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12G—WINE; PREPARATION THEREOF; ALCOHOLIC BEVERAGES; PREPARATION OF ALCOHOLIC BEVERAGES NOT PROVIDED FOR IN SUBCLASSES C12C OR C12H
    • C12G3/00—Preparation of other alcoholic beverages
    • C12G3/04—Preparation of other alcoholic beverages by mixing, e.g. for preparation of liqueurs
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H6/00—Methods for increasing the alcohol content of fermented solutions or alcoholic beverages

Definitions

  • the present disclosure is directed to the treatment of beer and, in particular, toward a multiple-stage pH-adjustment treatment to extend the shelf life of beer.
  • FIG. 1 A shows a schematic block diagram of a first stage of a beer treatment system in accordance with embodiments of the present disclosure
  • Fig. IB shows a schematic block diagram of a second stage of a beer treatment system in accordance with embodiments of the present disclosure
  • Fig. 2 is a flow diagram of a method for adjusting the pH level of beer in accordance with embodiments of the present disclosure.
  • Embodiments of the present disclosure will be described in connection with a system and method for adjusting the pH of beer to provide a longer and better shelf life.
  • the term “beer” and variations thereof, as used herein, may refer to a beverage brewed from any type of grain (e.g., lagers, ales, porters, bocks, stouts, wheat beers, etc.), or other yeast-fermented malt beverage, of any alcohol by volume (ABV) percentage including non-alcoholic and alcoholic percentages such as a beer having an ABV of approximately 5% to 14.9% (e.g., high-gravity), a beer having an ABV of approximately 15% to 23.9% (e.g., very-high gravity), and/or a beer having an ABV of approximately 24% to 46%, or more (e.g., ultra-high gravity), and/or the like.
  • ABS alcohol by volume
  • the methods and systems described herein may be applied to beer of any ABV including, but in no way limited to, non-alcoholic beer (e.g., a beer having an ABV of approximately 0%, 0.01%, 0.05%, etc.) and/or alcoholic beer (e.g., a beer having an ABV greater than 0.05%, etc.).
  • the beer may be stabilized to, among other things, extend shelf life and prevent staling by adjusting the pH level of the beer. By altering the pH level of a beer to a point where oxidation reactions are suppressed or arrested (e.g., compared to the oxidation rate of a beer having an unaltered pH level) the beer may be more stable during storage and/or transport.
  • the pH level of the beer may be altered using a first pH-adjustment station of a beer treatment system prior to packaging and shipping.
  • the present disclosure describes raising the pH of beer to a particular pH level (e.g., having a value of, and/or between, 6.0 to 8.5, 6.5 to 8.0, 6.5 to 7.8, etc.) where oxidation reactions are suppressed or even arrested.
  • This alteration of a beer’s pH to the particular pH level (e.g., a first pH-adjusted level) may be referred to herein as pH neutralization.
  • the beer, which has been adjusted to the first pH-adjusted level may be referred to herein as a pH-neutralized beer.
  • the pH neutralization process described herein provides beer with an environment wherein oxidation reactions are suppressed or greatly diminished and, as a result, the beer will stale at a much slower rate.
  • the pH of the beer may be adjusted to its original pH level (e.g., 3.7 to 4.6) or some other target pH level using a second pH-adjustment station of a beer treatment system.
  • target pH level may refer to an original pH level of the beer (e.g., a pH level before the first pH-adjustment, etc.), a regionally-specific pH level, a predetermined consumable pH level, a desired pH level, or some other set pH level for the beer.
  • the beer, which has been adjusted to the target pH level e.g., via the second pH-adjustment station
  • a target pH-adjusted beer may be referred to herein as a target pH-adjusted beer.
  • this second pH-adjustment step will return beer to its original target fresh flavor profile.
  • the methods and systems described herein may begin by receiving beer at a decarbonation station.
  • the beer may be decarbonated prior to introducing the beer to a first pH-adjustment station of a beer treatment system for pH neutralization.
  • the beer may be subjected to a decarbonation process configured to remove CO2 from the beer.
  • the decarbonated beer may be directed to the first pH-adjustment station of the beer treatment system.
  • the first pH- adjustment station may convert the decarbonated beer into a pH-neutralized beer by, for example, increasing the pH level of the beer from a first pH value to a higher second pH value.
  • the beer may be treated with a substrate that may release hydroxyl ions into the beer, increasing the pH of the beer while suppressing oxidation of components of the beer.
  • the substrate may correspond to a silica gel substrate, or other substrate, that is capable of releasing hydroxyl ions into the beer.
  • the substrate may be configured as a filter (e.g., a screen, permeable barrier, or other object through which the beer can pass), a liner (e.g., of a tank, pipe, etc.), and/or an object inserted into a holding tank or conveying pipe that is exposed to the beer.
  • the pH- neutralized beer may then be stored and/or transported to a desired location.
  • the pH-neutralized beer Prior to consuming the beer, the pH-neutralized beer may be directed to a second pH-adjustment station of the beer treatment system.
  • the second pH-adjustment station may adjust (e.g., lower) the pH value of the pH-neutralized beer from the second pH value back to the lower first pH value, or some other desired target pH level.
  • the second pH-adjustment station may remove the excess hydroxyl lons from the beer through an ion (e.g., an anionic) exchange substrate.
  • the construction of the anionic exchange substrate may be similar, if not identical, to the construction of the substrate described above.
  • the target pH-adjusted beer may be carbonated to achieve a desired concentration of CO2, gravity-adjusted to hit a desired alcoholic content, and/or sold.
  • the carbonation station may receive the target pH-adjusted beer and carbonate the beer, yielding a final consumable beer. This final consumable beer may then be dispensed, consumed, and/or sold.
  • the beer treatment system 100 may include a first- stage beer treatment system 100A that is capable of producing a pH-neutralized beer.
  • the beer treatment system 100 may include a second-stage beer treatment system 100B that is capable of producing a target pH-adjusted beer from the pH-neutralized beer.
  • the first-stage beer treatment system 100A may be part of a brewing process or manufacturing source and the second-stage beer treatment system 100B may include a draft dispensing system 130 (e.g., beer dispensing machine or system, etc.) that is configured to adjust beers (e.g., high-gravity beers, very-high gravity beers, ultra-high gravity beers, etc.) to their target sales gravities and/or target pH levels.
  • the second-stage beer treatment system 100B may produce a final consumable beer 128 (e.g., a sales gravity beer).
  • the draft dispensing system 130 may include one or more of the second pH-adjustment station 120, the carbonation station 124, and a sales-gravity adjustment station 126 configured to gravity-adjust the beer to a desired alcoholic content.
  • beer 104 may first be provided to treatment first pH- adjustment station 112 to produce a pH-neutralized beer 116.
  • the beer 104 may be selectively conveyed to the various components and systems of the beer treatment systems 100A, 100B via one or more fluid lines, pipes, tanks, and valves.
  • the beer 104 may be decarbonated via a decarbonation station 108 prior to treating at the first pH-adjustment station 112.
  • Fig. IB shows a second-stage beer treatment system 100B where the pH- neutralized beer 116 is provided to a second pH-adjustment station 120.
  • the second pH- adjustment station 120 may return the pH-neutralized beer 116 to an original or other target pH-adjusted beer having a particular pH level.
  • the target pH-adjusted beer which may have been previously decarbonated by the decarbonation station 108, may leave the second pH-adjustment station 120 and then be provided to a carbonation station 124.
  • the carbonation station 124 may carbonate the beer, yielding a carbonated and target pH-adjusted beer.
  • the beer may be provided via one or more fluid lines, pipes, tanks, or the like to other processing elements of the beer treatment system 100 and/or the draft dispensing system 130.
  • the carbonated target pH- adjusted beer may be provided to a sales-gravity adjustment station 126 of the draft dispensing system 130.
  • the sales-gravity adjustment station 126 may gravity-adjust the carbonated target pH-adjusted beer producing a final consumable beer 128 at a desired alcoholic content.
  • Adjusting the sales-gravity of the carbonated target pH-adjusted beer may comprise adding, via a dispenser, at least one of water and alcohol (e.g., beer, etc.) to the carbonated target pH-adjusted beer.
  • increasing a sales-gravity of the carbonated target pH-adjusted beer may comprise adding (e.g., dispensing, injecting, mixing, etc.) alcohol at a higher ABV than the carbonated target pH-adjusted beer.
  • deceasing a sales-gravity of the carbonated target pH-adjusted beer may comprise adding (e.g., dispensing, injecting, mixing, etc.) water to dilute and/or lower the ABV of the carbonated target pH-adjusted beer.
  • the sales-gravity adjust system may add the alcohol and/or water using a dispenser (e.g., volumetric dispenser, etc.), an injection valve, etc., to a tank, pipe, or other container holding the target pH-adjusted beer and/or carbonated target pH-adjusted beer.
  • a dispenser e.g., volumetric dispenser, etc.
  • an injection valve etc.
  • the sales-gravity adjustment station 126 may be oriented before the carbonation station 124.
  • the adjustment (e.g., increase or decrease, etc.) to the sales-gravity as described above may be made to the target pH-adjusted beer before carbonation.
  • the beer may be pumped, or otherwise conveyed, along a fluid line to a packaging area for shipment.
  • the decarbonation station 108 may utilize a method of decarbonation sufficient to remove carbonation from the beer. This may be a method utilizing ultrasound, nitrogen and/or beer gas stripping, vacuum, filtration, combinations thereof, and/or any method of decarbonation known to one skilled in the art.
  • the decarbonated beer exiting the decarbonation station 108 may exit via one or more fluid lines, pipes, tanks, or the like.
  • the decarbonated beer may then be subsequently transferred to the first pH-adjustment station 112 for pH neutralization, in which the decarbonated beer may be treated to alter the pH level of the decarbonated beer.
  • the first pH-adjustment station 112 may provide a substrate that controllably releases a certain amount of hydroxyl ions into the beer to raise the pH level of the beer (e.g., at a more alkaline than acidic level, etc.).
  • first pH- adjustment station 112 may treat the beer, yielding a pH-neutralized beer 116.
  • a pH-neutralized beer 116 is a beer where oxidation reactions are, greatly diminished, suppressed, or in some cases, even arrested.
  • the pH- neutralized beer 116 may be packaged and stored for later use.
  • first pH-adjustment station 112 may pump, or otherwise convey, pH-neutralized beer 116 along a fluid line from the first pH-adjustment station 112 to a storage and transportation receptacle (not shown).
  • pH-neutralized beer 116 may be prepared for a subsequent pH adjustment and use.
  • pH-neutralized beer 116 may be transported to a different brewery site, a sales point, an end user, and/or a distributor.
  • the pH-neutralized beer 116 may be pumped, or otherwise conveyed, to a second pH-adjustment station 120.
  • the second pH-adjustment station 120 may convert the pH-neutralized beer 116 into a target pH-adjusted beer.
  • the second pH-adjustment station 120 may provide a substrate to extract hydroxyl ions from the beer, which may lower the pH of the beer (e.g., at a more acidic than alkaline level, etc.).
  • the pH level of the beer may be returned to an original or target pH level yielding a target pH-adjusted beer.
  • the target pH-adjusted beer may be carbonated.
  • the target pH-adjusted decarbonated beer may be pumped, or otherwise conveyed, to a carbonation station 124.
  • the carbonation station 124 may carbonate the beer using a method of burst carbonation, CO2, or beer gas injection, or any other method deemed acceptable to one skilled in the art.
  • the target pH-adjusted beer in the carbonation station 124 will be pressurized to provide a predetermined carbonation level in the beer according to desired specifications. Accordingly, one or more pumps can be used to pressurize the target pH-adjusted beer at the carbonation station 124.
  • the carbonation station 124 yields a carbonated and target pH-adjusted beer.
  • this carbonated and target pH-adjusted beer may be gravity- adjusted using a brewing adjustment liquor, or otherwise adjusted, via one or more components in a sales-gravity adjustment station 126 of the second-stage beer treatment system 100B.
  • One or more of these processes may be performed by at least one element in the draft dispensing system 130.
  • carbonated and target pH-adjusted beer may then be transported to a packaging station, providing a beer that is ready for consumption and/or sales-gravity adjustment by some other system.
  • carbonated and target pH-adjusted beer may be processed by, for example, the draft dispensing system 130 into a final consumable beer 128.
  • a pH-neutralized beer 116 may be stored and, prior to preparing for consumption, later conveyed to one or more of a second pH-adjustment station 120, a carbonation station 124, and/or a sales-gravity adjustment station 126, for example, of a draft dispensing system 130, etc., to yield a target pH-adjusted final consumable beer 128.
  • pH-neutralized beer 116 can be stored and transported at a lower risk of staling, effectively lengthening its shelf life of the beer.
  • Fig. 2 is a flow diagram of a method 200 for neutralizing and adjusting the pH level of beer in accordance with embodiments of the present disclosure.
  • the method 200 begins by receiving beer (step 204).
  • the embodiments disclosed herein are directed to the treatment of any type, and/or ABV, of beer.
  • the beer 104 is conveyed (e.g., pumped, moved, etc.) along a fluid line to a decarbonation system 108, where the beer 104 is converted into decarbonated beer (step 208).
  • the decarbonation station 108 may remove CO2 from the beer 104 via ultrasound, nitrogen and/or beer gas stripping, filtration, vacuum, combinations thereof, and/or any method of decarbonation known to one skilled in the art.
  • the method 200 continues by conveying (e.g. pumping, moving, etc.) the decarbonated beer along a fluid line to the first pH-adjustment station 112 (step 212).
  • the decarbonated beer may be treated using, for example, an alkaline substrate that introduces hydroxyl ions into the beer, increasing the pH level of the decarbonated beer.
  • an alkaline substrate allows the ions to transfer to the beer, altering the pH level of the beer, without adding one or more chemicals or compounds (e.g., NaOH, KOH, salt, etc.) to the beer.
  • the introduction of these compounds would negatively affect the flavor of the final beer or require the addition of other chemicals and compounds to remove or mitigate the influence of the compounds on the beer.
  • the alkaline substrate treatment of step 212 neutralizes the pH of the beer to a point where oxidation reactions in the beer are greatly diminished, suppressed, and/or arrested, stabilizing the beer.
  • the beer becomes a pH-neutralized beer 116.
  • the pH-neutralized beer 116 can be stored and/or transported as desired (step 216).
  • the pH-neutralized beer 116 is then conveyed (e.g., pumped, moved, etc.) along a fluid line to a second pH-adjustment station 120, where a different second pH treatment is applied to the beer (step 220).
  • the pH- neutralized beer 116 may pass through an ion (e.g., an anionic) substrate (of similar construction to the alkaline substrate), where the hydroxyl ions are extracted from the pH- neutralized beer.
  • this second pH treatment sets the pH level of the beer to an original, near original, or other desired target pH-adjusted level.
  • the pH treatment lowers the pH level of the beer from the pH level in the pH-neutralized state to a target pH-adjusted state.
  • the target pH-adjusted decarbonated beer may then be conveyed (e.g., pumped, moved, etc.) along a fluid line to a carbonation station 124, wherein the target pH-adjusted decarbonated beer is carbonated (step 224).
  • the target pH- adjusted beer undergoes a carbonation process where CO2 is added to the beer.
  • the target pH-adjusted beer may receive carbonation though CO2 and/or beer gas injection, burst carbonation, or any other method of carbonation known to one skilled in the art.
  • the target pH-adjusted beer may be further processed via, for example, gravity-adjustment to a suitable ABV amount for consumption (e.g., as a final consumable beer 128).
  • the present disclosure in various embodiments, configurations, and aspects, includes components, methods, processes, systems and/or apparatus substantially as depicted and described herein, including various embodiments, subcombinations, and subsets thereof. Those of skill in the art will understand how to make and use the systems and methods disclosed herein after understanding the present disclosure.
  • the present disclosure in various embodiments, configurations, and aspects, includes providing devices and processes in the absence of items not depicted and/or described herein or in various embodiments, configurations, or aspects hereof, including in the absence of such items as may have been used in previous devices or processes, e.g., for improving performance, achieving ease, and/or reducing cost of implementation.
  • Embodiments include a beer treatment system, comprising: a first pH-adjustment station that receives a beer, wherein the first pH-adjustment station comprises an alkaline substrate that controllably releases hydroxyl ions into the beer, and wherein the alkaline substrate alters a pH level of the beer from a first pH level to a higher second pH level producing a pH-neutralized beer for stability enhancement.
  • aspects of the above beer treatment system include wherein the second pH level of the pH-neutralized beer is 6.0 to 8.5. Aspects of the above beer treatment system include wherein the second pH level of the pH-neutralized beer is 6.5 to 8.0. Aspects of the above beer treatment system include wherein the second pH level of the pH- neutralized beer is 6.5 to 7.8.
  • aspects of the above beer treatment system further comprise: a second pH-adjustment station that receives the pH-neutralized beer, wherein the second pH-adjustment station comprises an ion exchange substrate that controllably extracts hydroxyl ions from the pH-neutralized beer, and wherein the ion exchange substrate reduces the second pH level of the pH-neutralized beer to substantially the first pH level producing a target pH-adjusted beer.
  • the alkaline substrate is a silica gel.
  • aspects of the above beer treatment system include further comprise: a carbonation station that receives the target pH-adjusted beer and injects C02 into the target pH-adjusted beer under pressure, producing a carbonated target pH-adjusted beer.
  • aspects of the above beer treatment system further comprise: a sales-gravity adjustment system that gravity-adjusts the carbonated target pH-adjusted beer to a predetermined alcohol by volume producing a final consumable beer.
  • Embodiments include a beer treatment system, comprising: a target pH- adjustment station that receives a pH-neutralized beer, wherein the target pH-adjustment station comprises an ion exchange substrate that controllably extracts hydroxyl ions from the pH-neutralized beer, and wherein the ion exchange substrate reduces a pH level of the pH-neutralized beer from an alkaline pH level to a lower acidic pH level producing a target pH-adjusted beer.
  • aspects of the above beer treatment system include further comprise: a carbonation station that receives the target pH-adjusted beer and injects C02 into the target pH-adjusted beer under pressure, producing a carbonated target pH-adjusted beer.
  • aspects of the above beer treatment system further comprise: a sales-gravity adjustment system that at least one of dispenses alcohol and dispenses water that mixes with the carbonated target pH-adjusted beer and, when mixed, produces a final consumable beer having a predetermined alcohol by volume.
  • aspects of the above beer treatment system further comprise: a pH-neutralization adjustment station that receives a beer, wherein the pH-neutralization adjustment station comprises an alkaline substrate that controllably releases hydroxyl ions into the beer, wherein the alkaline substrate alters a pH level of the beer from a first pH level to a higher second pH level producing the pH-neutralized beer, and wherein the second pH level corresponds to the alkaline pH level.
  • aspects of the above beer treatment system include wherein the second pH level of the pH-neutralized beer is in a range of 6.0 to 8 5 Aspects of the above beer treatment system include wherein the second pH level of the pH-neutralized beer is in a range of 6.0 to 8 0 Aspects of the above beer treatment system Aspects of the above beer treatment system include wherein the second pH level of the pH-neutralized beer is in a range of 6.0 to 7 8
  • Embodiments include a method, comprising: receiving a pH-neutralized beer; and applying an ion exchange substrate to the pH-neutralized beer, wherein the ion exchange substrate controllably extracts hydroxyl ions from the pH-neutralized beer, and wherein the ion exchange substrate reduces a pH level of the pH-neutralized beer from an alkaline pH level to a lower acidic pH level producing a target pH-adjusted beer.
  • aspects of the above method include wherein prior to receiving the pH- neutralized beer, the method further comprises: receiving a beer; and applying an alkaline substrate to the beer, wherein the alkaline substrate controllably releases hydroxyl ions into the beer, and wherein the alkaline substrate alters a pH level of the beer from a first pH level to a higher second pH level producing the pH-neutralized beer, and wherein the second pH level corresponds to the alkaline pH level.
  • aspects of the above method include wherein prior to applying the alkaline substrate to the beer, the method further comprises: decarbonating the beer by stripping the beer of carbon dioxide using at least one of ultrasound, nitrogen stripping, gas stripping, and a vacuum.
  • aspects of the above method include wherein prior to applying the ion exchange substrate to the pH-neutralized beer, the method further comprises: packaging the pH-neutralized beer in a container. Aspects of the above method include wherein after producing the target pH-adjusted beer, the method further comprises: carbonating the target pH-adjusted beer by introducing carbon dioxide into the target pH-adjusted beer under pressure.
  • Embodiments include a method, comprising: receiving a beer; and applying an alkaline substrate to the beer, wherein the alkaline substrate controllably releases hydroxyl ions into the beer, and wherein the alkaline substrate alters a pH level of the beer from a first pH level to a higher second pH level producing a pH-neutralized beer.
  • aspects of the above method further comprise packaging the pH-neutralized beer in a container. Aspects of the above method further comprise: receiving the pH-neutralized beer; and applying an ion exchange substrate to the pH-neutralized beer, wherein the ion exchange substrate controllably extracts hydroxyl ions from the pH-neutralized beer, and wherein the ion exchange substrate reduces the second pH level of the pH-neutralized beer to substantially the first pH level producing a target pH-adjusted beer.
  • aspects of the above method include wherein prior to applying the alkaline substrate to the beer, the method further comprises: decarbonating the beer by stripping the beer of carbon dioxide.
  • aspects of the above method include wherein after producing the target pH-adjusted beer, the method further comprises: carbonating the target pH-adjusted beer by introducing carbon dioxide into the target pH-adjusted beer under pressure.
  • each of the expressions “at least one of A, B and C,” “at least one of A, B, or C,” “one or more of A, B, and C,” “one or more of A, B, or C,” “A, B, and/or C,” and “A, B, or C” means A alone, B alone, C alone, A and B together, A and C together, B and C together, or A, B and C together.

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Abstract

L'invention concerne des procédés et des systèmes supprimant ou empêchant l'oxydation de la bière en modifiant le niveau de pH de la bière à un état neutralisé. Un niveau de pH approprié pour la bière, où des réactions d'oxydation sont supprimées, est déterminé et la bière est soumise à un substrat alcalin élevant le pH d'origine de la bière à un niveau de pH augmenté. Le substrat alcalin libère des ions hydroxyle dans la bière, élevant le pH, sans nécessiter l'ajout de produits chimiques ou de composés pour modifier le niveau de pH. Cette bière à pH neutralisé peut être stockée ou expédiée puis renvoyée à un niveau cible ajusté au pH par soumission de la bière à pH neutralisé à un traitement de réglage du pH. Le traitement d'ajustement de pH utilise un substrat d'échange d'ions pour extraire une quantité prédéterminée des ions hydroxyle de la bière à pH neutralisé produisant une bière à pH ajusté ayant un niveau de pH inférieur à l'arôme frais cible d'origine.
PCT/US2020/047804 2019-09-12 2020-08-25 Procédé et système d'extension de la durée de conservation de la bière par neutralisation du ph WO2021050263A1 (fr)

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US20170071963A1 (en) * 2013-04-29 2017-03-16 Harsha Chigurupati Hepato-protective beverage composition
JP2017112909A (ja) * 2015-12-24 2017-06-29 アサヒビール株式会社 コク及び嗜好性が増強されたアルコールテイスト飲料

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US4975405A (en) * 1986-03-05 1990-12-04 Fuji-Davison Chemical Ltd. Hydrated silica gel for stabilization treatment of beer
US20060292262A1 (en) * 2003-09-29 2006-12-28 Yuji Asakawa Method of purifying liquor and purification apparatus
JP2006109830A (ja) * 2004-10-18 2006-04-27 Yoshiaki Nagaura 職権入力
US20150082991A1 (en) * 2012-04-05 2015-03-26 Anheuser-Busch, Llc Systems and methods for customized fermented beverages
US20170071963A1 (en) * 2013-04-29 2017-03-16 Harsha Chigurupati Hepato-protective beverage composition
JP2017112909A (ja) * 2015-12-24 2017-06-29 アサヒビール株式会社 コク及び嗜好性が増強されたアルコールテイスト飲料

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