JP2003000139A - Device for preserving perishable food - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for preserving perishable foods capable of suppressing reduction of qualities such as freshness of the perishable foods and the like caused by juice by absorbing the juice gradually exuding from the perishable foods such as fish meat, meat and the like and maintaining qualities of the perishable foods for a long time. SOLUTION: Blood 8 exuded from slices 7 of tuna is absorbed by a liquid- absorbing sheet 5 constituted of pulp containing a polymer absorbent and a humidity-controlling material. Therefore, the blood 8 does not remain in a receiving vessel 2. Further, a liquid-permeable sheet 6 constituted of a nonwoven fabric is applied above the liquid-absorbing sheet 5. Therefore, the adverse current of the blood absorbed by the liquid absorbing sheet 5 to the slices 7 of tuna is suppressed and drying of the slices 7 of tuna caused by excess absorption of the blood 8 is prevented.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD [0001] The present invention relates to a fresh food storage device, and in particular, it appropriately absorbs sap that exudes from fresh food such as fish meat and meat, and reduces the quality such as freshness of fresh food due to the sap. The present invention relates to a fresh food storage device that can suppress and maintain the quality of fresh food for a long period of time.

[0002]

2. Description of the Related Art When fresh food such as fish meat or meat is stored or transported in a state of being in contact with air, unsaturated fatty acids contained in the fresh food are gradually oxidized, resulting in odor, taste, color, etc. It is known to cause so-called rancidity that deteriorates. Therefore, in general, fresh food is delivered to a storage container, the air in the storage container is removed to create a vacuum state, or nitrogen gas or an inert gas is sealed in the storage container to promote the progress of rancidity. Measures have been taken to control and maintain the quality of fresh food.

[0003]

However, even when stored or transported in the above-mentioned state, for example, when stored at a chilled temperature or when frozen and then thawed, a soup called drip Oozes from food. Then, there is a problem that the liquid juice collects in the storage container, and the portion of the food that comes into contact with the liquid juice is discolored, which lowers the commercial value. In addition, there is a problem that the storage period of fresh food is shortened by contacting with the juice. In addition, soft fresh foods such as sashimi, meat, and vegetables tend to lose their shape due to impact during transportation.

The present invention has been made in order to solve the above-mentioned problems, and appropriately absorbs the sap that exudes from fresh food such as fish meat and meat, and improves the quality such as the freshness of fresh food by the sap. It is an object of the present invention to provide a fresh food storage device that can suppress the deterioration and maintain the quality of fresh food for a long period of time.

[0005]

[Means for Solving the Problems] In order to achieve this object, the fresh food storage device according to claim 1 is for storing or transporting fresh food such as fish meat or meat in a substantially vacuum state. A storage container for storing the fresh food, a liquid-absorbent sheet laid under the fresh food stored in the storage container, for absorbing liquid oozing out from the fresh food, and the storage container. And a packaging bag for sucking the air inside the storage container.

According to the fresh food preserving apparatus of the present invention, the storage container storing the fresh food is wrapped in a packaging bag, and the air in the storage container is sucked by a vacuum pump or the like. Therefore, the progress of rancidity is suppressed by keeping the fresh food in a substantially vacuum state. On the other hand, the liquid exuding from the fresh food is absorbed by the liquid absorbing sheet laid under the fresh food.

A fresh food storage device according to a second aspect is the fresh food storage device according to the first aspect, wherein the liquid juice is permeated through the upper part of the liquid absorbing sheet and is absorbed by the liquid absorbing sheet. A liquid permeable sheet is laid to prevent backflow of the liquid juice into the fresh food.

A fresh food storage device according to a third aspect is the fresh food storage device according to the second aspect, wherein the liquid-absorbent sheet is composed of pulp containing a polymeric water-absorbing agent and a humidity control agent.
The liquid-permeable sheet is made of non-woven fabric.

According to the fresh food storage device described in claim 3, the fresh food storage device operates in the same manner as the fresh food storage device according to claim 2, and the liquid juice exuded from the fresh food is a polymeric water-absorbing agent and a humidity control agent. It is absorbed by a liquid absorbing sheet made of pulp containing and. A liquid-permeable sheet made of a non-woven fabric is laid on the upper part of the liquid-absorbent sheet. Therefore, the juice leached from the fresh food permeates the permeable sheet,
Backflow of the juice absorbed in the liquid absorbent sheet to the fresh food is suppressed.

The fresh food storage device according to claim 4 is the fresh food storage device according to any one of claims 1 to 3.
A buffer sheet is laid under the liquid absorbing sheet to reduce the impact on fresh food during transportation.

The fresh food storage device according to claim 5 is the fresh food storage device according to any one of claims 1 to 4.
The storage container has an opening through which the fresh food is taken in and out, and is provided with a fresh food contact preventive tool for preventing the packaging bag from coming into contact with the fresh food through the opening.

According to the fresh food storage device described in claim 5, the fresh food storage device operates in the same manner as the fresh food storage device described in any one of claims 1 to 4, and the air in the storage container storing the fresh food is Sucked. Then, the packaging bag enclosing the storage container tries to come into contact with the fresh food in the storage container through the opening provided in the storage container for taking in and out the fresh food under atmospheric pressure. However, such contact is prevented by fresh food contact protection.

A fresh food storage device according to claim 6 is the fresh food storage device according to any one of claims 1 to 5.
The depth of the storage container is approximately 2 times or more and approximately 5 times or less the thickness of the fresh food.

[0014]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is an oblique view of a fresh food storage device 1 according to an embodiment of the present invention.
The fresh food storage device 1 is used for storing or transporting fresh food such as fish meat or meat in a substantially vacuum state. The case where the tuna fillet 7 is used as the fresh food will be described. First, the storage container 2 and the packaging bag 3 in the configuration of the fresh food storage device 1 will be described with reference to FIG.

The storage container 2 is for storing the tuna fillets 7, and is composed of a storage portion 2a and a storage lid (fresh food contact preventer) 2b. The storage part 2a is formed into a substantially rectangular parallelepiped, and the tuna fillet 7 is placed on top of it.
It has an opening 2d for taking in and out. The opening 2d is entirely opened at the top of the storage 2a so that the tuna fillet 7 can be easily taken in and out. Further, a plurality of suction holes 2c for sucking the air inside the storage container 2 are formed on one side surface of the storage portion 2a. The storage capacity of the storage unit 2a is about 450 mm in width, about 300 mm in depth and about 50 mm in depth, and is configured to store the tuna fillet 7 of about 50 servings. Further, since the depth of the storage portion 2a is about 50 mm with respect to the height of the tuna fillet of about 20 mm, the tuna fillet 7 can be easily taken in and out. The material of the storage portion 2a is styrofoam, which has excellent cold insulation properties, is lightweight, and can be inexpensively configured.

On the other hand, in the storage lid 2b, when the air inside the storage container 2 is sucked, the wrapping bag 3 is opened by the atmospheric pressure to open the opening 2d.
This is to prevent the invasion from the outside and contact with the tuna fillet 7 inside the storage section 2a. Therefore, it is configured in a plate shape so as to cover the opening 2d of the storage portion 2a.
Further, a stopper 2e (see FIG. 2) for preventing the storage lid 2b from being displaced is provided upright on the side connected to the storage portion 2a. Since the stopper 2e is fitted inside the opening 2d of the storage portion 2a, the stopper 2e is configured to be slightly smaller than the opening 2d. The storage lid 2b is made of styrofoam similarly to the storage portion 2a. The shape of the storage lid 2b is not limited to the plate shape, and the packaging bag 3 in the storage lid 2a is not limited to the plate shape.
If it is possible to prevent the intrusion of the, it may be configured in a lattice shape, a stripe shape, or the like.

The wrapping bag 3 serves to cover the storage container 2 and suck the air inside the storage container 2 by a vacuum pump or the like (not shown). The storage container 2 has a bag-like size that is large enough to wrap it.
It has an opening 3a for loading and unloading and connecting with a vacuum pump or the like. The material is made of polyethylene terephthalate in consideration of strength, heat sealability, etc., but is not limited to such a material and may be a material such as polyethylene or polypropylene.

Next, the internal structure of the storage container 2 will be described with reference to FIG. 2 is a sectional view taken along line II-II in FIG. Inside the storage container 2, an air cushion (buffer sheet) 4, a liquid absorbing sheet 5, and a liquid permeable sheet 6 are laminated in order from the bottom. The tuna fillet 7 is placed on the liquid permeable sheet 6.

The air cushion 4 is a cushioning sheet for protecting the tuna fillet 7 from shock during transportation. A plurality of air bags 4a sealed with air are provided on the entire surface of one of the sheets. It is laid on the bottom surface of the storage portion 2a with the surface on which the air bag 4a is formed facing upward. This is to collect the blood glue 8 in the gap 4b between the air bags 4a when the blood glue 8 drops from the liquid absorbing sheet 5 described later. Then, the air bag 4a serves as a cushion, and the impact of the tuna on the fillet 7 is alleviated. Therefore, it is possible to prevent damage to the fillets of the tuna and prevent deterioration in quality. It should be noted that the surface on which the air bag 4a is configured may be laid with the bottom side (downward) of the storage section 2a. Moreover, as long as it can absorb the impact of the tuna fillet 7 on the fillet 7, it is not limited to the air cushion 4, but may be cotton, thread members, waste paper, sponge,
A rubber sheet or the like may be used instead.

The liquid absorbing sheet 5 is a sheet for absorbing the blood paste 8 (liquid juice) exuded from the tuna fillet 7. The liquid absorbing sheet 5 is made of pulp containing a polymer water absorbing agent and a humidity control agent, and is laid on the air cushion 4. The polymer absorbent contained in the liquid absorbent sheet 5 is not particularly limited as long as it is generally used in the field of food preservation.

The liquid-permeable sheet 6 allows the blood paste 8 to pass therethrough, and the blood paste 8 absorbed by the liquid-absorbent sheet 5 is the tuna fillet 7.
This is a sheet for suppressing backflow to the. The liquid-permeable sheet 6 is made of a non-woven fabric and is laid on the liquid-absorbent sheet 5. The liquid-permeable sheet 6 is preferably a non-woven fabric, but is not limited to a non-woven fabric, and as long as the blood glue 8 can be conveyed to the liquid-absorbent sheet 5 by a capillary action, cloth, pulp, cotton cloth, hydrophilic Other liquid-permeable materials such as sponges having a may be used. Further, since the liquid-absorbent sheet 5 and the liquid-permeable sheet 6 laid inside the storage container 2 are both formed into a thin sheet shape, the blood glue 8 can be efficiently absorbed in a small space. it can.

Next, a specific use example of the fresh food preservation tool 1 will be described. In the storage portion 2a of the storage container 2, the air cushion 4, the liquid absorbing sheet 5, and the liquid permeable sheet 6 are laid in order from the bottom side. The tuna fillet 7 is placed on the uppermost liquid-permeable sheet 6. The stopper 2e of the storage lid 2b is fitted inside the opening 2d of the storage 2a,
The storage portion 2a is closed by the storage lid 2b. Storage lid 2b
The storage container 2 closed in step 1 is covered with a bag 3. At this time, the storage container 2 is encapsulated in the packaging bag 3 so that the suction holes 2c of the storage portion 2a are located on the opening 3a side of the packaging bag 3. When the air inside the storage container 2 is sucked, the packaging bag 3 has the suction holes 2
This is to prevent c from being blocked.

The opening 3a of the packaging bag 3 enclosing the storage container 2
The air inside the storage container 2 is sucked from the suction hole 2c of the storage portion 2a by a vacuum pump or the like. Then, the packaging bag 3 comes into close contact with the storage container 2 due to the atmospheric pressure. However, the storage lid 2
Since the opening 2d is closed by b, the wrapping bag 3 does not come into contact with the tuna fillet 7, and it is possible to prevent the tuna fillet 7 from losing its shape and the smell of the wrapping bag 3 from adhering. After the air inside the storage container 2 is sucked, the opening 3a of the packaging bag 3 is heat-sealed and sealed in a substantially vacuum state. In this way, the progress of rancidity due to contact with oxygen is suppressed.

Even in the above-mentioned state, the blood paste 8 exudes from the tuna fillet 7 when transported or stored at the chilled temperature. However, due to the capillary action of the liquid-permeable sheet 6 and the action of the polymer water-absorbing agent contained in the liquid-absorbent sheet 5, the blood glue 8 is absorbed.
And is absorbed by the liquid absorbing sheet 5. Therefore, it is possible to prevent the blood glue 8 from being accumulated in the storage container 2 and coming into contact with the tuna fillet 7. Also, the liquid absorbing sheet 5
The liquid-permeable sheet 6 laid on the top of the liquid-absorbent sheet 5
It is possible to prevent the blood glue 8 absorbed in the backflow from flowing back to the tuna fillet 7. Further, it is possible to prevent the water of the tuna fillet 7 from being excessively absorbed and the tuna fillet 7 to be dried.

Thus, the fresh food storage device 1 of this embodiment
According to the above, inside the storage container 2, the liquid absorbing sheet 5 for absorbing the blood paste 8 and the transparent sheet 5 for suppressing the backflow of the blood paste 8 absorbed by the liquid paste 8 to the fillet 7 are provided. Since the liquid sheet 6 is laid, the blood glue 8 exuding from the tuna fillet 7 can be appropriately absorbed. Therefore, it is possible to suppress deterioration of quality such as discoloration and deterioration of taste due to contact between the tuna fillet 7 and the blood glue 8. Also,
Since the air cushion 4 reduces the impact of the tuna on the fillet 7 during transportation, damage to the fillet 7 of the tuna can be prevented.

The present invention has been described above based on the embodiments, but the present invention is not limited to the above-mentioned embodiments, and various improvements and modifications can be made without departing from the spirit of the present invention. This can be easily guessed.

For example, in this embodiment, tuna fillet 7
The case where the storage lid 2b formed in a plate shape or the like is used as the fresh food contact preventive tool in order to prevent the packaging bag 3 from contacting each other has been described. However, the fresh food contact prevention tool is not limited to the storage lid 2b.
For example, a plurality of arch-shaped columns are erected from the storage section 2a, and the packaging bag 3 is used by the columns to form the tuna fillet 7.
It may be configured to prevent contact with the. Alternatively, a plurality of plate-shaped plates may be bridged to the opening 2d to prevent the packaging bag 3 from contacting the tuna fillet 7 by the plates. Furthermore, the opening 2d may be covered with a mesh member. Such a fresh food contact preventive tool has an effect that the inside of the storage portion 2a can be visually observed from the outside.

Further, in this embodiment, the case where the air cushion 4 is laid on the bottom of the storage container 2 and the impact of the tuna on the fillet 7 is absorbed by the air cushion 4 has been described. However, if the storage container 2 itself is made of an elastic material, the air cushion (buffer sheet) 4 may be omitted. Further, the liquid-permeable sheet 6 and the liquid-absorbent sheet 5 may absorb the impact of the tuna on the fillet 7. still,
In such a case, a groove may be provided on the bottom surface of the storage portion 2a to store the blood glue 8 that drops from the liquid absorbing sheet 5.

Further, in the present embodiment, the case where the storage container 2 is made of expanded polystyrene has been described. However, the material of the storage container 2 is not limited to Styrofoam, and may be made of transparent or translucent plastic or the like. In such a case, there is an effect that the inside of the storage section 2a can be grasped at a glance. Needless to say, the storage lid 2b may be provided with an opening for checking the inside.

In the present embodiment, the case where the fresh food storage device 1 is used for the tuna fillet 7 has been described. However, the fresh food storage device 1 is not limited to the tuna fillet 7. It goes without saying that it can also be used for other fresh foods such as meat and vegetables.

[0031]

EFFECTS OF THE INVENTION According to the fresh food preservation tool of the first aspect, the liquid juice leaching from the fresh food is absorbed by the liquid absorbing sheet laid under the fresh food. Therefore, it is possible to prevent discoloration of fresh food, quality deterioration such as taste due to contact between fresh juice and fresh food, and to maintain quality of fresh food for a long period of time without accumulating the juice inside the storage container. The effect is that you can do it.

According to the fresh food preserving device of claim 2,
In addition to the effect of the fresh food preservation tool according to claim 1,
The back flow of the juice absorbed by the liquid absorbing sheet to the fresh food is suppressed by the liquid permeable sheet laid on the upper portion of the liquid absorbing sheet. Therefore, there is an effect that the fresh food does not come into contact with the absorbent sheet containing the juice, and the discoloration of the fresh food due to the contact between the juice and the fresh food and deterioration in quality such as taste can be suppressed. Further, there is an effect that it is possible to suppress the excessive absorption of the fresh food juice by the liquid-absorbent sheet, and to suppress the drying of the fresh food due to the excessive absorption of the fresh food.

According to the fresh food preserving device of claim 3,
In addition to the effect of the fresh food preservation tool according to claim 2,
The liquid absorbent sheet is made of pulp containing a polymer water absorbing agent and a humidity control agent, and the liquid permeable sheet is made of non-woven fabric. Therefore, the liquid exuded from the fresh food can be efficiently absorbed in a small space.

According to the fresh food storage device of claim 4,
In addition to the effect of the fresh food storage device according to any one of claims 1 to 3, a buffer sheet is laid under the liquid absorbing sheet to reduce the impact on fresh food during transportation.
Therefore, the shock to the fresh food is absorbed by the buffer sheet, and the damage to the fresh food can be suppressed. Therefore, there is an effect that it is possible to suppress a decrease in the commercial value of fresh food.

According to the fresh food preservation tool of claim 5,
In addition to the effect of the fresh food preservation tool according to any one of claims 1 to 4, a fresh food contact prevention tool is provided. Therefore, since it is possible to prevent the packaging bag from contacting with fresh food, it is possible to prevent deformation of the fresh food due to the packaging bag and to prevent the smell of the packaging bag from adhering to the fresh food, thus reducing the commercial value of the fresh food. The effect is that it can be prevented.

According to the fresh food preservation tool of claim 6,
In addition to the effect of the fresh food storage device according to any one of claims 1 to 5, the depth of the storage container is set to approximately 2 times or more and approximately 5 times or less the thickness of the fresh food. Therefore, there is an effect that fresh food can be easily taken out from the storage container. Moreover, there is an effect that a compact storage container can be realized.

[Brief description of drawings]

FIG. 1 is a perspective view of a fresh food storage device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a fresh food storage device.

[Explanation of symbols]

1 Fresh food preservation equipment 2 storage containers 2a storage 2b Storage lid (fresh food contact prevention tool) 2d opening 3 sachets 4 Air cushion (buffer sheet) 5 Liquid absorbing sheet 6 Liquid-permeable sheet 7 Tuna fillet (fresh food) 8 Blood glue (juice)

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B65D 77/02 B65D 81/20 D 81/03 81/26 H 81/20 81/38 B 81/26 85 / 50 B 81/38 N 85/50 Q A23B 4/00 A B65D 81/14 A F term (reference) 3E035 AA04 AA05 AB03 AB05 BA01 BA08 BC02 BD03 BD05 CA04 DA01 3E053 AA02 AA06 BA06 BA07 CA01 3E066 AA02 AA22 BA01 CA01 DA01 GA10 JA04 KA20 LA16 LA30 MA09 NA55 NA60 3E067 AA11 AB02 AB04 BA02B BA05B BA12C BA15B BB14C BB15C BB16C BB17B BB21B BC04B BC06B BC07B CA04 CA07 CA09 CA01 CA12 CA08 A08 A08 A08 A08 A08 A08 A08 A08 A08 A14 A08 A08 A08 A08 A08 A08 A08 A08 A08 A08 A09 A08 A08 A09 A08 A08 A08 A08 A08 A08 A08 A08 A08 A09 A08 A08 A09 A08 A08 A08 A08 A09 A08 A08 A08 A4 A4 A4 A4 A4 A4 A4 A4 A8 A4 A3 A4 A4 A4 A3 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A2 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A4 A of A of A of 3 of the same number.

Claims (6)

[Claims] 1. A fresh food storage device for storing or transporting fresh food such as fish meat or meat in a substantially vacuum state, and a storage container for storing the fresh food, and fresh food stored in the storage container. It is laid at the bottom of the food, and is equipped with a liquid-absorbent sheet that absorbs the liquid juice that exudes from the fresh food, and a packaging bag that covers the storage container and serves to suck the air inside the storage container. A perishable food storage device characterized by being present. 2. A liquid-permeable sheet is laid on the upper part of the liquid-absorbent sheet, the liquid-permeable sheet being made to permeate the liquid juice and suppressing backflow of the liquid juice absorbed by the liquid-absorbent sheet into the fresh food. The fresh food storage device according to claim 1, which is characterized in that. 3. The fresh product according to claim 2, wherein the liquid-absorbent sheet is made of pulp containing a polymeric water-absorbing agent and a humidity conditioner, and the liquid-permeable sheet is made of non-woven fabric. Food storage equipment. 4. The fresh food according to any one of claims 1 to 3, wherein a buffer sheet is laid under the liquid-absorbent sheet to reduce impact on fresh food during transportation. Storage tool. 5. The storage container has an opening through which the fresh food is taken in and out, and a fresh food contact prevention device for preventing the packaging bag from coming into contact with the fresh food through the opening. The fresh food storage device according to any one of claims 1 to 4, further comprising: 6. The fresh food according to claim 1, wherein the depth of the storage container is approximately 2 times or more and approximately 5 times or less the thickness of the fresh food. Storage tool.