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WO2018016374A1 - Procédé de stockage d'aliment et réfrigérateur utilisant le procédé de stockage - Google Patents

Procédé de stockage d'aliment et réfrigérateur utilisant le procédé de stockage Download PDF

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Publication number
WO2018016374A1
WO2018016374A1 PCT/JP2017/025204 JP2017025204W WO2018016374A1 WO 2018016374 A1 WO2018016374 A1 WO 2018016374A1 JP 2017025204 W JP2017025204 W JP 2017025204W WO 2018016374 A1 WO2018016374 A1 WO 2018016374A1
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WO
WIPO (PCT)
Prior art keywords
temperature
storage
refrigerator
storage method
food
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/025204
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English (en)
Japanese (ja)
Inventor
安信　淑子
桂 南部
公美子 大久保
上迫　豊志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of WO2018016374A1 publication Critical patent/WO2018016374A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/80—Freezing; Subsequent thawing; Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features

Definitions

  • This disclosure relates to a food storage method.
  • This freezing temperature of ⁇ 18 ° C. is based on the idea of T-TT (Time-Temperature Tolerance: Permissible time temperature relationship), where the storage temperature of food is different from the time of maintaining quality from the viewpoint of microorganisms and taste. It is based on and meets the performance of three star or four star defined in JISC 9607.
  • T-TT Time-Temperature Tolerance: Permissible time temperature relationship
  • the storage target for frozen foods is set to a minimum of one year, and a temperature of ⁇ 18 ° C. or lower is set as a temperature for guaranteeing a storage period of one year for most foods.
  • frozen food means prepackaged, fast-frozen, and packaged food that is kept in a frozen state at ⁇ 18 ° C. or lower. It depends on what is prescribed. However, since the storage period varies depending on the type of food, the temperature history, and the freezing method, the storage period of frozen food in a freezer at ⁇ 18 ° C. is generally set at 3 months.
  • the freezer usage style is not limited to long-term storage such as one month (hereinafter, the long-term storage usage style may be referred to as a stock type), but the ratio of short-term storage flow-type usage styles. Is also growing.
  • the room temperature of the freezer is set in the range of -10 ° C ⁇ 2 ° C to increase the growth of food spoilage bacteria.
  • a refrigerator provided with an aging chamber in which aging of umami is performed by gradually degrading proteins by enzymes while suppressing them (for example, Patent Document 1).
  • beef An example of food that is often stored frozen at home is beef.
  • beef is stored at a temperature range of -10 ° C ⁇ 2 ° C, which is a conventional aging room, umami ripening due to enzymes generally produced during storage of beef is -18 ° C or lower, corresponding to conventional stock-type foods. It is expected that the enzyme activity is increased and promoted by the higher temperature than the storage of.
  • the aged meat that is generally marketed can realize “taste” such as umami and softness by aging.
  • This aged meat is aged at a temperature of 0 ° C or higher, and it is said that “taste” is realized not only by enzyme reaction but also by generating special bacteria. It is difficult to reproduce easily.
  • the room temperature of the aging room in the conventional freezer is ⁇ 10 ° C. ⁇ 2 ° C., which is a temperature zone in which rotting can be suppressed, so that aging can be easily performed at home.
  • the enzyme activity is expected to decrease considerably, and when stored at ⁇ 10 ° C. ⁇ 2 ° C., ice crystals are formed inside the beef tissue, which hinders the movement of the enzyme and has low reactivity. It is expected to be.
  • the present disclosure has been made in view of the problems as described above, and provides a refrigerator capable of performing aging so that “taste” can be realized in a temperature range lower than 0 ° C. that can suppress spoilage.
  • a cooling section for cooling the storage section, a detection section for detecting the room temperature of the storage section, and a control section for controlling the room temperature of the storage section
  • a cooling section By maintaining the room temperature of the storage compartment in the first temperature range from ⁇ 20 ° C. to ⁇ 10 ° C. for a predetermined time, and then maintaining the second temperature range higher than ⁇ 10 ° C. and lower than 0 ° C. for a predetermined time. Control by temperature pattern.
  • a food storage method and a food storage method with improved usability can be provided in which aging can be realized in a temperature range lower than 0 ° C. at which rot can be suppressed, and the convenience is enhanced. be able to.
  • FIG. 1 is a cross-sectional view of a refrigerator according to an embodiment of the present disclosure.
  • FIG. 2 is a diagram illustrating a temperature pattern of the storage compartment of the refrigerator in the embodiment of the present disclosure.
  • FIG. 3A is a diagram showing the results of sensory evaluation and total amino acid content of the refrigerator in the embodiment of the present disclosure.
  • FIG. 3B is a diagram illustrating an evaluation index for sensory evaluation of the refrigerator according to the embodiment of the present disclosure.
  • FIG. 4 is a diagram illustrating a aging mechanism of the refrigerator in the embodiment of the present disclosure.
  • a storage method includes a storage section that stores food, a cooling unit that cools the storage section, a detection unit that detects a room temperature of the storage section, and a control unit that controls the room temperature of the storage section.
  • the room temperature of the storage compartment is maintained in a first temperature range of ⁇ 20 ° C. or higher and ⁇ 10 ° C. or lower for a predetermined time, and is then higher than a second temperature range of ⁇ 10 ° C. and lower than 0 ° C.
  • Temperature control is performed with a temperature pattern of maintaining for a predetermined time.
  • the food placed in the storage compartment can be ripened so that “taste” can be realized in a temperature range lower than 0 ° C. at which the spoilage can be suppressed.
  • the storage method according to an example of the present disclosure may include a step in which the above temperature pattern is repeatedly performed. By such a method, the aging of the food placed in the storage compartment can be further promoted.
  • the refrigerator according to an example of the present disclosure may further include a heating unit.
  • the storage method according to an example of the present disclosure may include a step of controlling the room temperature of the storage section with the cooling unit and the heating unit.
  • the storage method according to an example of the present disclosure may include a step of controlling the room temperature of the storage section by the control unit in a state where the carbon dioxide concentration of the storage section is higher than the atmospheric concentration.
  • the refrigerator according to an example of the present disclosure may include any of the storage methods described above. With such a configuration, it is possible to provide a refrigerator capable of performing aging so that “deliciousness” can be realized in a temperature range lower than 0 ° C. at which stored food can be prevented from decaying.
  • FIG. 1 is a cross-sectional view of a refrigerator in the embodiment of the present disclosure
  • FIG. 2 is a diagram illustrating a temperature pattern of a storage compartment of the refrigerator in the embodiment of the present disclosure.
  • FIG. 3A is a diagram showing the results of sensory evaluation of the refrigerator and the total amino acid amount in the embodiment of the present disclosure
  • FIG. 3B is a diagram showing evaluation indexes of sensory evaluation of the refrigerator in the embodiment of the present disclosure.
  • FIG. 4 is a diagram illustrating a aging mechanism of the refrigerator in the embodiment of the present disclosure.
  • the refrigerator 100 has a refrigerator body 1.
  • the refrigerator main body 1 is partitioned vertically by a heat insulating partition wall 2 and a heat insulating partition wall 3.
  • the refrigerator body 1 includes a refrigerated compartment 4 formed in the upper part and a freezer compartment 5 formed in the lower part.
  • the refrigerator body 1 has a storage room (storage compartment) 6 formed between the refrigerated compartment 4 and the freezer compartment 5.
  • each part which comprises the refrigerator 100, and the control part (not shown) which drive-controls each apparatus are installed in response to a user instruction performed using an operation panel (not shown) provided in the refrigerator main body 1, drive control of each unit and each device is performed by the control unit.
  • the refrigerator main body 1 has a cooler (cooling unit) 7 provided behind the freezer compartment 5 and a blower 8 for forcibly passing the cold air cooled by the cooler 7.
  • the refrigerator body 1 includes a damper device 9 that is provided behind the storage chamber 6 and adjusts the amount of cold air flowing into the room.
  • the cold air cooled by the cooler 7 is forcibly ventilated into the freezer compartment 5 by the blower 8.
  • the inside of the freezer compartment 5 is maintained in a freezing temperature zone of ⁇ 18 ° C. or lower.
  • a temperature sensor (detection unit) 10 that is a temperature detection unit is installed in the storage chamber 6.
  • the storage chamber 6 Since the storage chamber 6 is normally maintained in a temperature range of ⁇ 10 ° C. ⁇ 2 ° C., the growth of spoilage bacteria can be suppressed even at the upper limit of ⁇ 8 ° C. Further, when the temperature in the storage chamber 6 is ⁇ 12 ° C., the two-star performance is satisfied among the refrigeration performances defined in JISC 9607.
  • the storage chamber 6 is controlled by a control unit according to a predetermined temperature pattern by appropriately adjusting the inflow amount of cold air sent to the damper device 9 based on the temperature information of the temperature sensor 10.
  • the sliced beef is placed in the storage room 6.
  • “aging course A” is selected, and “aging course A” operation is started.
  • the “aging course A” is stored in a preset temperature pattern.
  • the temperature pattern various courses can be selected depending on the type and amount of food to be placed.
  • the damper device 9 cools air into the storage chamber 6 so that the temperature in the storage chamber 6 becomes a preset temperature (for example, ⁇ 12 ° C.) in the first temperature range. Start adjusting the inflow.
  • a preset temperature for example, ⁇ 12 ° C.
  • the damper device 9 After the temperature sensor 10 detects the set temperature in the first temperature zone, the damper device 9 is maintained so that the state (set temperature in the first temperature zone) is maintained for a preset time (for example, 48 hours). To adjust the inflow amount of cold air. After a preset time (for example, 48 hours), the damper device 9 again adjusts the amount of cold air flowing into the storage chamber 6 so that the second temperature zone (for example, ⁇ 5 ° C.) is reached. Start. After the set temperature of the second temperature zone is detected by the temperature sensor 10, it is maintained for a preset time (for example, 24 hours) and maintained (by adjusting the amount of cool air inflow by the damper device 9). Keep the set temperature).
  • a preset time for example, 48 hours
  • the refrigerator main body 1 may have a heating part around the storage chamber 6.
  • the heating unit can also be used when maintaining the set temperature and when heating to the second temperature zone. Therefore, in this case, it is possible to realize fine temperature maintenance without temperature fluctuation and shortening of the time required to reach the second temperature zone of ⁇ 5 ° C.
  • the room temperature of the storage chamber 6 is lowered to the set temperature (for example, ⁇ 12 ° C.) in the first temperature zone, and is maintained for a preset time (for example, 6 hours). Thereafter, the room temperature of the storage chamber 6 is raised to a second temperature zone (for example, ⁇ 5 ° C.) and maintained for a set time (for example, 24 hours).
  • the set temperature for example, ⁇ 12 ° C.
  • a preset time for example, 6 hours
  • the room temperature of the storage chamber 6 is raised to a second temperature zone (for example, ⁇ 5 ° C.) and maintained for a set time (for example, 24 hours).
  • the room temperature of the storage chamber 6 is raised to a second temperature zone (for example, ⁇ 5 ° C.), maintained for a set time (for example, 24 hours), and then set to the first temperature zone (for example, ⁇ 12 ° C.).
  • the temperature pattern of lowering the room temperature of the storage chamber 6 and maintaining it for a preset time (for example, 6 hours) is repeatedly performed three times, and the aging step is completed.
  • FIG. 3A shows the results of sensory evaluation and total amino acid amounts (total 18 amino acids described in FIG. 3A) of beef stored in storage room 6 of refrigerator 100 of the present embodiment.
  • FIG. 3B shows an evaluation index for sensory evaluation.
  • beef of the same lot as the beef used in the present embodiment is stored in the freezer 5 at the set temperature of the freezer 5 (for example, ⁇ 18 ° C.), the same time as the storage time in the present embodiment, I use a saved one.
  • the beef preserved in the storage room 6 of the refrigerator 100 according to the present embodiment is each of “umami”, “softness”, and “total” in comparison with the conventional example.
  • the item is up 1 point. If the sensory evaluation is different by one point, the difference can be clearly recognized. Therefore, the beef preserved with the temperature pattern of the present embodiment can realize a difference in “taste” as compared with the conventional example after preservation. You can see that it is of level.
  • the total amino acid amount which is a component exhibiting umami, is increased by about 10% compared to the conventional example.
  • the protein which is the muscle tissue of beef, is decomposed by the enzyme to produce amino acids and peptides, which are components that exhibit umami.
  • the storage room 6 is maintained at the set temperature in the first temperature range (for example, ⁇ 12 ° C.), so that the set temperature (for example, ⁇ 18 ° C.) of the freezer room 5 of the conventional example is maintained.
  • the higher temperature promotes ripening, which is a chemical reaction.
  • the water content in the stored beef muscle tissue is reduced. Freezes and produces ice crystals. This ice crystal grows with the passage of the maintenance time, and the beef muscle tissue is contracted.
  • the second temperature zone for example, ⁇ 5 ° C.
  • the second temperature zone At (for example, ⁇ 5 ° C.) since the temperature is higher than the first set temperature (for example, ⁇ 12 ° C.), the freezing rate of the beef decreases, the ice crystals contract, and the compressed beef muscle tissue expands.
  • the beef muscle tissue contracts and expands properly, the beef muscle tissue can be physically damaged, so that the softness that can be felt when eating beef is achieved. Can be given to beef.
  • the activity of the enzyme increases and ripening is promoted.
  • the enzymes in the cells can move freely between the cells in the second temperature zone. This increases the reactivity of the enzyme and the protein, which is muscle tissue, and further promotes ripening.
  • the refrigerator 100 may include a carbon dioxide concentration adjusting unit that can adjust the carbon dioxide concentration in the storage chamber 6 in the refrigerator body 1.
  • aging is performed in an environment in which the growth of spoilage bacteria is suppressed by controlling the room temperature of the storage chamber 6 with the above temperature pattern in the state where the carbon dioxide concentration in the storage chamber 6 is higher than the atmospheric concentration. It is possible to promote ripening while improving safety.
  • the refrigerator 100 of the present embodiment controls the storage compartment for storing food, the cooling unit for cooling the storage compartment, the detector for detecting the room temperature of the storage compartment, and the room temperature of the storage compartment.
  • a control unit that maintains the room temperature of the storage compartment in a first temperature range of ⁇ 20 ° C. or more and ⁇ 10 ° C. or less for a predetermined time in the cooling unit, and then a temperature higher than ⁇ 10 ° C. and lower than 0 ° C. Control is performed by the control unit in a temperature pattern that is maintained for a predetermined time in the temperature range of 2.
  • the present disclosure provides a storage method that can appropriately control the temperature during storage in the refrigerator and promote the aging of food, and a refrigerator that uses this storage method. Therefore, it can be widely applied not only to home use, but also to a business use storage method, a storage such as a refrigerator, and a refrigerator.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Zoology (AREA)
  • Polymers & Plastics (AREA)
  • Food Science & Technology (AREA)
  • Wood Science & Technology (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)

Abstract

La présente invention concerne un procédé de stockage dans un réfrigérateur présentant une section de stockage pour stocker un aliment, une unité de refroidissement pour refroidir la section de stockage, une unité de détection pour détecter la température de la section de stockage, et une unité de commande pour contrôler la température de la section de stockage. L'unité de commande exécute la commande d'un profil de température dans lequel la température de la section de stockage est maintenue, par l'unité de refroidissement, à l'intérieur d'une première plage de températures de -20 °C à -10 °C sur une durée prédéterminée et ensuite maintenue au sein d'une seconde plage de températures de -10 °C à 0 °C exclue sur une durée prédéterminée.
PCT/JP2017/025204 2016-07-22 2017-07-11 Procédé de stockage d'aliment et réfrigérateur utilisant le procédé de stockage Ceased WO2018016374A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-144480 2016-07-22
JP2016144480A JP2018011573A (ja) 2016-07-22 2016-07-22 食品の貯蔵方法、およびこの貯蔵方法を備えた冷蔵庫

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113915885A (zh) * 2021-04-13 2022-01-11 海信（山东）冰箱有限公司 一种冰箱
CN113915882A (zh) * 2021-04-13 2022-01-11 海信（山东）冰箱有限公司 一种冰箱
CN113915883A (zh) * 2021-04-13 2022-01-11 海信（山东）冰箱有限公司 一种冰箱及其控制方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019156009A1 (fr) * 2018-02-09 2019-08-15 パナソニックＩｐマネジメント株式会社 Dispositif de stockage et réfrigérateur
JP2019138616A (ja) * 2018-02-09 2019-08-22 パナソニックＩｐマネジメント株式会社 貯蔵装置および冷蔵庫
JP7292867B2 (ja) * 2018-12-12 2023-06-19 株式会社前川製作所 食品の冷凍熟成方法及び冷却装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002125584A (ja) * 2000-10-20 2002-05-08 Matsushita Electric Ind Co Ltd 食肉の保存熟成方法と保存熟成装置
JP2010243104A (ja) * 2009-04-08 2010-10-28 Panasonic Corp 冷蔵庫
WO2013031621A1 (fr) * 2011-08-26 2013-03-07 Tdk株式会社 Membrane de séparation de gaz
JP2014219130A (ja) * 2013-05-07 2014-11-20 日立アプライアンス株式会社 冷蔵庫

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002125584A (ja) * 2000-10-20 2002-05-08 Matsushita Electric Ind Co Ltd 食肉の保存熟成方法と保存熟成装置
JP2010243104A (ja) * 2009-04-08 2010-10-28 Panasonic Corp 冷蔵庫
WO2013031621A1 (fr) * 2011-08-26 2013-03-07 Tdk株式会社 Membrane de séparation de gaz
JP2014219130A (ja) * 2013-05-07 2014-11-20 日立アプライアンス株式会社 冷蔵庫

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113915885A (zh) * 2021-04-13 2022-01-11 海信（山东）冰箱有限公司 一种冰箱
CN113915882A (zh) * 2021-04-13 2022-01-11 海信（山东）冰箱有限公司 一种冰箱
CN113915883A (zh) * 2021-04-13 2022-01-11 海信（山东）冰箱有限公司 一种冰箱及其控制方法

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