WO1996028047A1 - Procede pour la conservation d'aliments ou autres produits du meme genre non congeles dans la plage de temperatures inferieure au point de congelation - Google Patents
Procede pour la conservation d'aliments ou autres produits du meme genre non congeles dans la plage de temperatures inferieure au point de congelation Download PDFInfo
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- WO1996028047A1 WO1996028047A1 PCT/JP1996/000692 JP9600692W WO9628047A1 WO 1996028047 A1 WO1996028047 A1 WO 1996028047A1 JP 9600692 W JP9600692 W JP 9600692W WO 9628047 A1 WO9628047 A1 WO 9628047A1
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- freezing point
- unfrozen
- food
- temperature
- foods
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/36—Freezing; Subsequent thawing; Cooling
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/06—Freezing; Subsequent thawing; Cooling
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/04—Freezing; Subsequent thawing; Cooling
Definitions
- the present invention relates to a method for preserving food and the like in an unfrozen state at a temperature below the freezing point. More specifically, the present invention relates to a method for preserving a raw food and the like in an unfrozen area below the freezing point and in an unfrozen state A slow cooling process for bringing the raw food or the like into an unfrozen state below the freezing point, and a stepwise process for raising the temperature of the unfrozen raw food or the like to room temperature. Combined with the temperature raising treatment, it is possible to maintain the raw foods and the like in the temperature range below the freezing point in a suitable unfrozen state, and to maintain the effects and characteristics of the unfrozen processing and preferably to room temperature.
- the present invention relates to a method for preserving unfrozen foods and the like that can be restored, and a method for raising the temperature thereof. Background art
- the present inventors have accumulated basic and applied research on preservation and processing of various raw foods and living tissues in a low temperature zone of 0 ° C or lower, and have found various raw foods and the like in an unfrozen region below the freezing point.
- vegetables and fruits and other fruits and vegetables are a natural product, as in fish and shellfish, and their vitality, that is, their strength, is important.
- their vitality that is, their strength
- raw foods such as vegetables, fruits, and fish and shellfish are harvested and produced in many areas as agricultural or marine products, and are often distributed to consumers via markets and sales outlets. It is very difficult to maintain freshness and freshness for a long time immediately after harvesting even today, as the technology for preserving the raw foods has become more sophisticated. For example, even if the distribution time is shortened and the storage condition is kept good, the cost is extremely high at this stage. It is not a practical method for the distribution of natural raw foods.
- CA storage method and MA package storage method Food distribution technology, Vol.22, No.11 (1993)
- concentration of raw foods like the decrease in distribution during the distribution process, sharply decreases immediately after harvesting, that is, wild vegetables.
- the present inventors have kept such high-concentration foods, such as vegetables, fruits, fish and shellfish, etc., immediately after harvesting, based on the above conventional technology.
- high-concentration foods such as vegetables, fruits, fish and shellfish, etc.
- the aim of developing new technologies that can produce fresh food, vegetables, fruits, fish and shellfish, and other raw foods, etc. under specific ultra-low temperature conditions in the unfrozen area below the freezing point
- raw food etc. in the unfrozen area below the freezing point is suitable
- the present inventors have succeeded in establishing a new slow-conditioning technology capable of easily and surely maintaining an unfrozen state, and have completed the present invention.
- the present invention is capable of keeping vegetables, fruits, fish and shellfish and other raw foods and the like at a high temperature in an unfrozen region below the freezing point without causing deterioration in quality and deterioration in quality.
- Slow cooling that can easily and reliably achieve the unfreezed state of foods and other products in the temperature range below the freezing point, while providing a method for preserving raw foods and other products that can be frozen. It is intended to provide methods and means.
- Another object of the present invention is to provide a method for producing an unfrozen food or the like at or below a freezing point using the above-mentioned unfrozen storage method, and a product thereof.
- the present invention is capable of retaining raw foods such as vegetables, fruits, fish and shellfish for a long period of time in an unfrozen area below the freezing point without losing the freshness immediately after harvesting.
- the purpose of the present invention is to provide a method for preserving raw foods that can be stored at a high concentration.
- the present invention relates to a method for storing raw food or the like in an unfrozen state in an unfrozen area below the freezing point, wherein the temperature conditions of the unfrozen area, the temperature conditions for returning to normal temperature, and the like are described. It is an object of the present invention to provide a slow conditioning technique for suitably controlling.
- a first aspect of the present invention for achieving the above object is a method for preserving a food or the like in an unfrozen state in an unfrozen area below the freezing point, wherein the food or the like is compared from normal temperature to near the freezing point of the food or the like.
- a second aspect of the present invention is a method for preserving a food or the like in an unfrozen state in an unfrozen area below an ice temperature, wherein the food or the like is introduced into an unfrozen area below an ice temperature. After that, keep the food at a low temperature range of 0.1 to 10 ° C below the freezing point and store it in the low temperature range. ,.
- a third aspect of the present invention is a method for preserving a food or the like in an unfrozen state in an unfrozen region below a freezing point, wherein the food or the like is frozen at an appropriate time and cycle during storage.
- a method for preserving food or the like in a temperature range below the freezing point characterized by raising the temperature to 0.5 to 1.0 ° C above the freezing point or the freezing point.
- the fourth aspect of the present invention relates to a method for producing food or the like in an unfrozen area below the freezing point.
- a fifth aspect of the present invention is a cooling facility including a control device for automatically controlling the temperature condition.
- a sixth aspect of the present invention is a method for producing unfrozen water in a temperature zone below the freezing point by the above method, wherein the raw water is previously filtered and / or distilled by a microfilter or the like.
- a seventh aspect of the present invention is a method for producing an unfrozen food or the like at a freezing point or lower by the above-mentioned method, wherein the food or the like is subjected to a pressure of 0.01 to 0 under a predetermined pressurizing condition.
- a method for producing unfreezed foods below the freezing point characterized by cooling by slow cooling at a slow cooling rate of 5 ° CZ time.
- an eighth aspect of the present invention is a method for preserving a food or the like in an unfrozen state in an unfrozen region below the freezing point. Irradiating with light rays such as far-infrared rays and microwaves, irradiating static electricity and / or applying vibration in the temperature zone above the breaking point at the time and cycle of the above-mentioned freezing. Unfrozen preservation method of foods and the like in the temperature range below the point.
- a ninth aspect of the present invention is a cooling facility including the above-described device for pressurizing, irradiating, and / or applying vibration.
- a tenth aspect of the present invention is a method for preserving a food or the like in an unfrozen state in an unfrozen area below the freezing point, in which the cooling rate is slowed and the inhibition of ice nucleation is prevented.
- synthetic resin, paper, biomaterials etc. Packaging materials, packaging materials coated with ice nucleation inhibitors such as glycerol, ice crystal growth inhibitors such as glycoproteins and gelatin, or foods packaged or coated with coatings of these materials
- the eleventh aspect of the present invention is a method for storing a food or the like made of animal or plant material in an unfrozen area below a freezing point, in which only cells therein are in an unfrozen state.
- a method for preserving inner cells of food or the like in a temperature range below the freezing point which is characterized by storage.
- a 12th aspect of the present invention is a method for producing a frozen food or the like from a food or the like stored in an unfrozen state in an unfrozen area below the freezing point, wherein A method for producing a quick-frozen food or the like, wherein the food or the like is rapidly frozen from a supercooled state below the freezing point by combining the treatments, and the food or the like is rapidly frozen. .
- Another embodiment of the present invention is a method for producing unfrozen water in the temperature range below the freezing point by the above-mentioned method, wherein the raw material water in the cooling step is preferably 0.1 to 2,200.
- a method for producing unfrozen water in a temperature range below the freezing point characterized by inhibiting the formation of ice nuclei and the growth of ice crystals by providing a flow rate of m / min. .
- another embodiment of the present invention is a method for obtaining a high-quality thawed food while preliminarily thawing the frozen food in a temperature range below the freezing point and gradually increasing the temperature in an appropriate time. After slowly thawing the unfrozen components in the frozen food while maintaining it in a supercooled state (preferably 1 to 10 c lower than the freezing point), gradually increase the temperature to remove damage to the cells or tissues.
- a method for thawing frozen food characterized by suppressing. Subsequently, the present invention will be described in more detail.
- the present invention relates to foods (including produced foods such as vegetables, fruits, fish and shellfish, foods made of animal or plant materials, various processed foods, food raw materials, raw water, animal or plant biomaterials, A method for preserving the food or the like in an unfrozen state in an unfrozen region below the freezing point, and from room temperature to a relatively rapid temperature (1 to 30) up to the freezing point of the raw food or the like. (Within a few minutes to several hours), followed by a slow cooling process in which the cooling is performed at a slow cooling rate of 0.01 to 0.5 hours to the freezing point or below. It relates to the method of preservation of foods in the freezing temperature range below the freezing point.
- a rapid cooling process of relatively rapidly cooling from room temperature to the vicinity of the freezing point of each food or the like is performed, and then a slow cooling of 0.01 to 0.5 / hour to the freezing point is performed. It is necessary to perform a slow cooling process that cools at a high speed.
- a method of preserving foods and the like in an unfrozen state in an unfrozen area below the freezing point includes, for example, preparing each food or the like with a freezing point depressant, a component having a freezing point depressing effect or a component having the same effect.
- Ultra-ice temperature storage method (Ultra-ice temperature: registered trademark)
- the type and use form of the freezing point depressant, the component having a freezing point depressing action, and the like are not particularly limited.
- the present invention is preferably applied to, but not limited to, raw foods such as vegetables, fruits, fish and shellfish, etc., but is not limited thereto, fermented foods, processed foods, food ingredients, intermediate products, cooked foods, animals or plants. It can also be applied to biological materials, biological tissues (cells or tissues of animals and plants), and the like.
- the method of cooling the food or the like to a temperature zone in an unfrozen region below the freezing point can perform a relatively rapid cooling process in a low temperature region of 0 ° C. or less, and Any method can be used as long as the slow cooling process can be performed at 0.01 to 0.5 ° CZ time, preferably at 0.1 to 0.4 / hour, up to the following.
- a preferred example is a method of cooling with a cooling facility equipped with a control device (automatic temperature control device) for automatically controlling the temperature conditions.
- the raw food When the raw food is cooled by the rapid cooling method and the slow cooling method described above, the raw food is cooled slowly and slowly below the freezing point, so that the raw food does not freeze and is below the freezing point. It is stable in the unfrozen region and is suitably maintained in the unfrozen state. It should be noted that the present inventors have verified that, except for the above-described slow cooling processing conditions and processes, that is, at a slow cooling rate of 0.01 to 0.5 ° C until the freezing point is reached. Without slow cooling, it is difficult to keep foods in an unfrozen state in the temperature range below the freezing point, and the intended purpose cannot be achieved.
- the food after introducing food or the like into an unfrozen area below the freezing point, the food is generally stopped at a low temperature range of 0.1 to 10 below the freezing point, and is stopped for several hours to several months. Storage in a low temperature zone, or a suitable range of the low temperature zone may be appropriately determined according to each target food, etc., since the type and properties of each food etc. vary. .
- a low temperature zone or a suitable range of the low temperature zone may be appropriately determined according to each target food, etc., since the type and properties of each food etc. vary. .
- examples of the freezing point of various foods and the like and the unfrozen region (super-ice temperature region) below the freezing point which were studied based on the above-described slow conditioning technology of the present invention, are shown. (Ultra-ice temperature range for various foods, etc.)
- Tomato 1 0.9-0.9 to 15.0 Onion 1 J 1.1 to 1 to 6.0 Green Peace 1 ⁇ 1 1.1 to 1 to 6.5 Califlower 1 ! 1 1 to 1 7.0
- raw foods and the like such as vegetables, fruits, livestock, fish and shellfish are any foods and vegetables that are ordinary vegetables, fruits, livestock, fish and shellfish. It is also possible to apply irrespective of the type, and in addition to these, the present invention includes foods such as fresh flowers, medicinal plants, cereals such as rice grains, nuts and the like, and fresh plants related thereto. Raw It is included in the range of foods and the like.
- the present invention When the present invention is used for preserving raw foods and the like, it is important to treat these raw foods and the like as soon as possible after harvesting, which inevitably occurs immediately after harvesting. Decrease in the concentration of raw foods, that is, rapid degradation of nutrients such as vitamin C and useful components such as chlorophyll in vegetables and fruits, and rapid degradation of ATP in fish and shellfish Quality degradation such as a decrease in the K value (index of ⁇ ) due to unnatural decomposition can be reliably suppressed.
- “immediately after harvesting” means the stage immediately after harvesting in the place where the raw food is harvested or in the production area. Power drop immediately after harvesting is large depending on the type of raw food, harvest time, etc.
- the timing of the cooling and preserving treatment may be appropriately determined according to the target raw food and the like.
- the cooling and preserving treatment may be performed within several hours after the harvest. It should be noted that the present invention can be applied not only to fresh foods immediately after harvesting, but also to fresh foods in an appropriate process of distribution, fresh foods in a consumption stage, and the like. Needless to say.
- the present invention provides a method for producing fresh foods immediately after harvesting by subjecting the raw foods and the like immediately after harvest to a cold preservation treatment under the ultra-low temperature condition in an unfrozen state in an unfrozen region below the freezing point.
- a cold preservation treatment under the ultra-low temperature condition in an unfrozen state in an unfrozen region below the freezing point.
- the present invention in the method for preserving a food or the like in an unfrozen state in an unfrozen area below the freezing point, at an appropriate time and cycle during the preservation, at a rate of 1 ° C or less for 1 hour to several days,
- a freezing point or a step of raising the temperature to 0.5 to 1.0 above the freezing point the food or the like can be maintained simply and suitably in an unfrozen state. Therefore, in the method of the present invention for preserving food or the like in a freezing temperature range below the freezing point, it is desirable to add the heating step in order to make the unfrozen state more stable.
- the temperature in order to return the food or the like in which the food or the like is stored in an unfrozen state in an unfrozen region below the freezing point to room temperature, the temperature is not rapidly increased, but is set to 0.01 to 0 to the freezing point. Perform the heating process at a slow heating rate of 5 ° CZ time, and then use the appropriate temperature conditions of 0, 5, and 15 ° C from the freezing point to room temperature. And the temperature is increased stepwise at an appropriate time. In this case, it is also possible to raise the temperature at a relatively rapid rate from the freezing point to normal temperature, and it may be determined appropriately according to the type and properties of the target food.
- the present invention can be applied not only to solid foods and the like (including powders and the like) but also to liquid foods such as alcoholic and non-alcoholic beverages, tea beverages, drinking water, and the like.
- the method of the present invention can be applied to drinking water to produce unfrozen water having a freezing point or lower (0 ° C or lower).
- the raw water is filtered and Z or distilled by appropriate means such as microfiltration, precision filtration, ultrafiltration or the like in advance to remove impurities in the raw water.
- a synthetic resin such as polyethylene, a paper such as Japanese paper, a packaging material such as a biomaterial, or a partial excess of food.
- Coating the inner membrane with appropriate materials that can prevent cooling and satisfy slow cooling conditions, ice nucleation inhibitors such as glycerol, or chemicals that inhibit the growth of ice crystals such as glycoproteins and gelatin It is also possible to cool the packaged material or the food or the like packaged or coated with the coating of these substances at a predetermined low temperature range.
- the present invention can achieve expansion of the unfrozen region below the freezing point and further stabilization of the unfrozen state in the region.
- the present invention in particular, it is possible to store a raw food or the like made of animal or plant material in a state in which only cells in the raw food are in an unfrozen state.
- slow cooling at a slow cooling rate with time and supercooling below the freezing point, for example, rapid freezing at 18 ° C or less Free water is transferred to the extracellular fluid, and dilution of the extracellular fluid and concentration of the intracellular fluid proceed at the same time, making it easier to freeze the extracellular fluid.
- Such methods include supercooled water, beverages (eg, coffee, black tea, oolong tea, green tea, juice, other soft drinks, fruit sauces, jams, alcohol) stored in unfrozen areas below the freezing point.
- beverages eg, coffee, black tea, oolong tea, green tea, juice, other soft drinks, fruit sauces, jams, alcohol
- rapid cooling at a slow cooling rate and, if necessary, ice nuclei (ice crystals and other ice crystal-forming substances) in supercooled beverages and foods.
- instantaneous release or adding instantaneous release of friction, vibration, and pressurization on the side of the container, etc., and combining with freezing, instantaneous freezing, such as sorbet, ice candy, ice cream, etc.
- Frozen sake eg, beer, sake, shochu, wine, whiskey, brandy, etc.
- frozen tofu and various foods and drinks such as sliced sashimi, raw ham, fruits, etc.
- the present invention it is possible to obtain a high-quality defrosted food while preliminarily thawing the frozen food in the temperature range below the freezing point and gradually increasing the temperature in an appropriate time. After slowly thawing the unfrozen ingredients in the frozen food while keeping it in a supercooled state (1 to 10 ° C lower than the freezing point), the temperature of the frozen food is gradually increased to suppress damage to cells or tissues, and the frozen food is frozen. Can be thawed.
- the present invention relates to raw foods such as agricultural and livestock marine products, It is suitably used as a preservation and processing technique for processed foods or fermented foods, biological tissues such as animal or plant cells, etc.
- raw foods or fermented foods such as agricultural and livestock marine products
- biological tissues such as animal or plant cells, etc.
- quality degradation may occur in the case of processed foods or fermented foods as described above.
- a high level of ripening effect is obtained, and by the ripening effect, the taste can be improved, and the processed food or the fermented food can have higher quality.
- Figure 1 is an explanatory diagram showing the results of horse mackerel flying (super-ice temperature preservation zone (12 ° C)).
- FIG. 2 is an explanatory diagram showing the results of horse mackerel flying treatment (ice temperature preservation zone (0.5 ° C.)).
- FIG. 3 is an explanatory diagram showing the results of the agitation flooding treatment (freezing storage area (0 to 16 ° C.)).
- the fresh food (lettuce) immediately after harvesting is stored in a refrigerator, cooled by a rapid cooling process to around the freezing point (-0.2 ° C), and then 0.1 e below the freezing point.
- a slow cooling process that cools at a slow cooling rate of the CZ time is performed, and the raw food is kept in an unfrozen state (between 0.2 and 14.0 ° C) below the freezing point. saved.
- the raw food product stored for one week in the unfrozen area is heated at a slow heating rate of 0.1 ° CZ until the freezing point without being rapidly heated. Subsequently, the temperature was raised from the freezing point to 5 ° C.
- the raw food (lettuce) that has been cooled by the slow cooling method described above and the one that has not been subjected to the cooling treatment are stored in a refrigerator at 5 ° C for 22 days, and the state of the food is kept at a high temperature.
- Tables 1 and 2 show the survey results. As is evident from the results in Table 1, those subjected to the cooling treatment by the above-described slow cooling method have good retention, appearance and texture, whereas those not subjected to the cooling treatment have a decrease in temperature. It turned out that the appearance and texture were bad. Also, as is clear from the results in Table 2, it was found that the cooling treatment had a remarkably high residual ratio of vitamin C.
- Example 3 In the same manner as in Example 1, various raw foods (tomato, evening onion, green peas, greenflower, potato, asparagus, okra, white leek, daikon, persimmon, rice Ngo, Lemon, Sakurambo, Twentieth Century Pear, Strawberry, Fig, Peach, Blueberry, Apricot) were examined for their retention status. Table 3 shows the results for asparagus, okra, and cariflower. As with the results in Table 3, it was found that the same effects as in Example 1 were obtained for each of the above items. Table 3
- the aging used in Example 3 is a cultured aging.
- the raw foods (active aji) are stored in a super-ice refrigerator (-2 ° C) and an ice refrigerator (0.5 ° C), respectively, and the freezing point (1-1.5 ° C) ), A rapid cooling process is performed, and then a slow cooling process of cooling at a slow cooling rate of 0.1 ° CZ to below the freezing point is performed, and unfreezing below the freezing point is performed.
- the raw food was stored in an unfrozen state in the area (1.1-5 to 15.5). Next, the raw food stored in the unfrozen area for one week is heated at a slow heating rate of 0.1 ° C to the freezing point without being rapidly heated.
- Leaf green onion housed in a refrigerator 0 ° C until subjected to cooling treatment by rapid cooling treatment, followed by freezing point 10.0 to 8 ° C. 1 Suroku Li cooling with slow cooling rate of e CZ Time Then, the raw food was stored at -0.8 to -2.0 ° C in an unfrozen area below the freezing point and below the freezing point. Next, the food stored in the unfrozen area for 2 weeks was slowly heated to the freezing point, and then heated to 5 ° C from the freezing point.
- the sugar content of the green onion before the cooling treatment was 2.0%, and the sugar content of the green onion in the refrigerated area after two weeks decreased to 1.2%, whereas the sugar content of the cooled green onion was 3.3%. Up.
- the free amino acid content was measured, the content of sweet free amino acids (aspartic acid, threonine, serine, and glutamic acid) increased, and the free amino acids (bital, (Isoleucine, lysine) had a decreasing seasonal taste, with a seasonal taste of cold.
- sweet free amino acids aspartic acid, threonine, serine, and glutamic acid
- bital, (Isoleucine, lysine) had a decreasing seasonal taste, with a seasonal taste of cold.
- the green onion was maintained at a high temperature and the seasonal taste of the cold was provided.
- Tuna fillets are stored in a refrigerator, cooled by a rapid cooling process up to 0.5 t, and then -0.5 t to the freezing point.
- the food stored in the unfrozen area for one week was slowly heated to the freezing point and further heated to 5 ° C.
- Tables 4 and 5 show the results of investigation on the effect of keeping the temperature and aging of tuna after cooling. It was found that the K-treated tuna had an increased K value (an index of ⁇ ) and a sweetened free amino acid content as compared to the control tuna stored at 5 ° C.
- the potable water is stored in the refrigerator, cooled by a rapid cooling process to near the freezing point (1.2.8 V), and then cooled to 0.1 in the same condition.
- a rapid cooling process to near the freezing point (1.2.8 V)
- static irradiation conditions suitable equivalent, with a vibration condition of 1 ⁇ 2 OKH z
- Slow cooling is performed at a slow cooling rate of 0.2 ° CZ to the freezing point, and it is applied to the freezing area below the freezing point (12.8 to 11.7 ° C).
- Beverage (beer) is stored in a refrigerator, and is cooled by a rapid cooling process to a temperature around the freezing point (1.2.8 ° C). Then, under the same conditions, 0.1 to 10 kgcm 2 Under the pressurized condition, under the condition of irradiation of far infrared rays of 300 to 100 m, under the condition of irradiation of microwaves of 500 to 50,000 MHz, under the condition of irradiation of an appropriate amount of static electricity, 2 Under the OKHz vibration condition, a slow cooling process of cooling at a slow cooling rate of 0.01 to 0.5 ° CZ to the freezing point is performed, and the unfrozen area below the freezing point (1.
- the beverage (beer) was stored in an unfrozen state in 8-1-17.0) to obtain an unfrozen beverage (beer) below the freezing point.
- steps of pressurizing, irradiating light, and applying vibration were added, they could be easily and stably introduced into the unfrozen region as compared with the case where the steps were not added.
- beverages alcoholic beverages, coffee, soft drinks, etc.
- sliced sashimi, prosciutto, fruits, tofu, etc. were similarly cooled, and the following results were obtained. Results were obtained.
- beverages when frozen from a supercooled state of -1 to 10 from the freezing point, fine ice crystals of quinu are instantly formed when they are frozen, and the mouth is very meltable, smooth and new Type of sheave-like food I got it.
- the protein is frozen, denatured, and sponged (conventional method: quick-freezing at around -20, refrigerated for about 3 weeks), thawing, dehydrating, and drying.
- the frozen tofu was fine in texture, crisp, and extremely excellent in taste and flavor.
- the present invention provides a method for preserving raw foods such as vegetables, fruits, livestock meat, fish and shellfish in an unfrozen region below the freezing point in a non-frozen state for a long time. Then, a rapid cooling process of cooling relatively rapidly (from within 1 to 30 minutes to within several hours) from room temperature to near the freezing point of the produced food, etc., and then 0.0 to below the freezing point is performed.
- the present invention relates to a method for preserving raw foods and the like, characterized by performing a slow cooling process of cooling at a slow cooling rate of 1 to 0.5 ° CZ time. Effects can be obtained.
- Raw foods such as vegetables, fruits, fish and shellfish can be stored at a high temperature.
- the raw food product processed by the method for storing the raw food product of the present invention has a good shelf life at the consumption stage, and suppresses rapid quality deterioration at the consumption stage as seen in conventional products. Can be.
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Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU49558/96A AU4955896A (en) | 1995-03-15 | 1996-03-15 | Method of preserving food or the like in nonfrozen state in the temperature zone below icing point |
CA002215412A CA2215412C (en) | 1995-03-15 | 1996-03-15 | Method for non-frozen preservation of food or the like at temperature below freezing point |
EP96906064A EP0815746B1 (en) | 1995-03-15 | 1996-03-15 | Method of preserving food or the like in nonfrozen state in the temperature zone below icing point |
US08/913,108 US6096361A (en) | 1995-03-15 | 1996-03-15 | Method for non-frozen preservation of food at temperature below freezing point |
DE69611289T DE69611289T2 (de) | 1995-03-15 | 1996-03-15 | Verfahren zur erhaltung von lebensmitteln und dergleichen in einem ungefrorenen zustand in einem temperaturbereich unter dem gefrierpunkt |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP08325395A JP3787171B2 (ja) | 1995-03-15 | 1995-03-15 | 氷結点以下の温度帯における食品等の未凍結保存方法 |
JP7/83253 | 1995-03-15 |
Publications (1)
Publication Number | Publication Date |
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WO1996028047A1 true WO1996028047A1 (fr) | 1996-09-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP1996/000692 WO1996028047A1 (fr) | 1995-03-15 | 1996-03-15 | Procede pour la conservation d'aliments ou autres produits du meme genre non congeles dans la plage de temperatures inferieure au point de congelation |
Country Status (8)
Country | Link |
---|---|
US (1) | US6096361A (ja) |
EP (1) | EP0815746B1 (ja) |
JP (1) | JP3787171B2 (ja) |
KR (1) | KR100435379B1 (ja) |
AU (1) | AU4955896A (ja) |
CA (1) | CA2215412C (ja) |
DE (1) | DE69611289T2 (ja) |
WO (1) | WO1996028047A1 (ja) |
Cited By (2)
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1996
- 1996-03-15 DE DE69611289T patent/DE69611289T2/de not_active Expired - Fee Related
- 1996-03-15 EP EP96906064A patent/EP0815746B1/en not_active Expired - Lifetime
- 1996-03-15 AU AU49558/96A patent/AU4955896A/en not_active Abandoned
- 1996-03-15 WO PCT/JP1996/000692 patent/WO1996028047A1/ja active IP Right Grant
- 1996-03-15 CA CA002215412A patent/CA2215412C/en not_active Expired - Fee Related
- 1996-03-15 US US08/913,108 patent/US6096361A/en not_active Expired - Lifetime
- 1996-03-15 KR KR1019970706373A patent/KR100435379B1/ko not_active IP Right Cessation
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7524521B2 (en) | 2001-12-13 | 2009-04-28 | Morinaga Milk Industry Co., Ltd. | Method of preserving food in a supercooled state |
CN105145807A (zh) * | 2015-08-04 | 2015-12-16 | 安徽润生农业开发有限公司 | 一种猕猴桃表面涂膜冷藏处理方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2215412C (en) | 2004-07-27 |
JPH08252082A (ja) | 1996-10-01 |
CA2215412A1 (en) | 1996-09-19 |
KR19980702965A (ko) | 1998-09-05 |
DE69611289T2 (de) | 2001-08-23 |
AU4955896A (en) | 1996-10-02 |
US6096361A (en) | 2000-08-01 |
EP0815746B1 (en) | 2000-12-20 |
JP3787171B2 (ja) | 2006-06-21 |
DE69611289D1 (de) | 2001-01-25 |
KR100435379B1 (ko) | 2004-09-04 |
EP0815746A4 (en) | 1998-07-29 |
EP0815746A1 (en) | 1998-01-07 |
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