JPH0741888B2 - Packaging method for fresh food and packaging container - Google Patents

Description

TECHNICAL FIELD The present invention relates to a packaging method and packaging container for fresh food.

(Prior Art) Fresh foods include animal fresh foods such as fish meat and meat, and vegetable fresh foods such as fruits and vegetables. For example, tuna, a fresh food of animal origin, is kept on cold ice as it is, and then taken out and thawed to make a sashimi fillet. Putting is the conventional general storage method. This also applies to livestock meat such as beef and pork. On the other hand, strawberry is a very perishable fruit among the vegetable fresh foods,
Even if it's kept in the refrigerator, it's only available for about 3 days.

(Problems to be solved by the invention) Since the surface of fish and livestock meat is cold iced again when it is cooled with ice, the surface of the fish meat is blackened. In places such as shops that consume large amounts of these fish and live meat fillets as sashimi and steak at one time, mainly on weekends and during some kind of entertainment,
Since the refrigerator has a limited capacity, the reality is that it is difficult to prepare it.

In addition, even if the final consumer purchases and carries it at a food counter such as a supermarket or department store or a specialty store such as a fish or meat store, there is no suitable packaging container, so it is not possible to carry it over a long distance. However, there was a problem that it was not possible to send it as a gift from a department store or the like.

In addition, perishable fruits such as strawberries can be stored in large quantities at a time, such as during the Christmas season, because they cannot be preserved, so a large amount of demand temporarily occurs, and the price will be multiplied by several times. Since it will happen to go up, it is very convenient if there is a packaging method or packaging container that can be purchased in advance and stored for a long time.

This can also be said when using strawberries for gifts, and it must be convenient if there are packaging methods and packaging containers that can be transported to distant places without compromising the freshness of strawberries.

Therefore, an object of the present invention is to provide a packaging method capable of storing fresh foods such as fish meat and meat cuts and strawberries for a long time without impairing their freshness, and a packaging container which is easy to transport.

(Means for Solving the Problem) In order to achieve the above-mentioned problem, the present invention stores raw fish fillets in a first container in which a drip sheet is laid, and then the first container is cold-water resistant and thin-walled. It is stored in a bag made up of sheets and sealed in a degassed state, and the bag is put in a state where ice made of ionized water is present around the bag.
It is to be stored in a container.

The present invention further stores raw meat fillets in a first container having a drip sheet laid and having an upper opening, and then stores the first container in a bag body made of a thin sheet having cold and water resistance and sealing. Then, the bag is stored in the second container in a state where ice made of ionized water exists around the bag.

The present invention further stores fruits such as strawberries and fragile vegetables in a first container having an upper opening, and then puts the first container into a bag body made of a thin sheet having cold and water resistance, and removing it inside. A small amount of deaeration is filled with an oxygen agent, and the bag is stored in the second container in the presence of ice made of ionized water around the bag.

The ion water can be made from fresh water, tap water, salt water, or the like.

Further, in the present invention, when the bag body is covered with ice, the bag body is maintained in a state in which water is present in the water filled in the second container to ice the water, or The crushed ice is laid in the second container, the package is placed on the crushed ice, and the crushed ice is further scattered on the package.

And this invention is a packaging container, a drip sheet is laid, a first container with an open upper part for storing fresh food therein, a cold and water resistant bag for sealing the first container, and a bag for further housing this bag. It is composed of a second container to be operated and ice made of ionized water in the second container and covering the periphery of the bag body.

(Action) Fish meat, meat cuts, strawberries, etc. are kept in a sealed state in the bag body, so that the flavor, taste and aroma are not impaired, and the ion water has an effect of suppressing the propagation of putrefactive bacteria. If it is chilled at, for example, -4 ° C, the contents of the bag, such as fish meat and meat cuts and strawberries, are kept at a temperature of 0 ° C to 1 ° C at most. It is stored for a long period of time in a state where the freshness is maintained as it is, without causing the occurrence of ice or ice.

Embodiments The drawings show embodiments of the present invention. In FIGS. 1 to 3, reference numeral 1 denotes, for example, a sashimi of tuna, which is stored in a first container 3 made of, for example, a synthetic resin, on which a drip sheet 2 is laid. The first container 3 is further housed in a transparent plastic bag 4 having cold resistance and water resistance. The inside of the bag is degassed and then sealed and sealed. This bag body 4 has a plurality of irregularities 5a and 5b on the inner bottom thereof, for example, a second container 5 made of urethane foam.
A plurality of them are stored side by side inside, and moreover, the upper and lower parts covered on top of them have a large number of irregularities 6a, 6b, 6c, 6d and a large number of water passage holes.
A holding member 6 having 6e is covered, and a plurality of bag bodies 4 are further accommodated side by side on the holding member 6, and a large number of irregularities 7 are formed at the bottom.
The holding members 7 having a and 7b and a large number of water passage holes 7c are covered, and each bag 4 is filled with ion water evenly from the bottom of the second container 5 to the top of the holding member 7. The upper, lower, left, and right sides of the ice are covered with ice 8 formed by ice.

The unevenness provided on the inner bottom portion of the second container 5 may be provided by laying an independent plate shape, and the holding member 6
When the bag body 4 is further housed in the upper part of the container, it does not have to be configured to engage with the second container 5. The shape and number of each unevenness are not limited to those in the embodiment, and various shapes may be considered. Further, the number of bags 4 to be housed in the second container 5, and the size of the second container 5 is not limited, but it is desirable that the bag can be carried. Further, the shape of the holding members 6 and 7 is not limited, and in short, it is sufficient if the structure prevents the bag body 4 from floating in water and allows water to freely flow. The holding members 6 and 7 are not always necessary as long as the bag body 4 does not float up in the second container 5 and are only juxtaposed in line. However, when stacking the bags 4 in the second container 5 and the second and third layers, it may be necessary to have an ice layer between the upper bag 4 and the bag 4.

Furthermore, the method of engaging the holding members 6 and 7 with the second container 5 is not limited. In short, it is sufficient to prevent the bag body 4 from rising. The presence of the lid that covers the upper portion of the second container 5 is not shown in the embodiment, but may be arbitrarily selected.

FIG. 4 is for an individual consumer, and the second container 10 is of a size capable of accommodating one bag at most or several bags 11 constructed as described above, and is provided on the inner bottom thereof. The shapes of the plurality of irregularities 10a and 10b are different from those described above, but this is an item that can be arbitrarily selected.

As for the holding member, it is desirable that the purchaser can see the fish fillet 12 which is the content of the bag body 10 from the outside through the layer of ice 14,
For example, a cross-shaped or large mesh-shaped holding member 13,
The structure is made to engage with the second container 10. In this case, when the second container 10 is to be used as a gift, it is necessary to further wrap the second container 10 during transportation.
It will be necessary to cover the top of the second container 10.

In addition, although the fish fillet packaging container has been described in the above embodiments, the same packaging container may be used in the case of livestock meat such as beef and pork, although the packaging method is slightly different as described later.

FIG. 5 shows a strawberry packaging container. According to the drawing, a soft sheet 21 is laid in a first container 20 of the same material as that of the above-mentioned embodiment, and a plurality of strawberries 22 are stored on it. Has been done. The strawberry 22 may be covered with a soft sheet except for a part of the upper surface. In the embodiment, a plurality of vertically stacked ones are shown, but they may be arranged side by side. further,
Although the oxygen absorber 24 is placed on the upper portion of the first container 20, the storage position of the oxygen absorber 24 is not limited. The first container 20 is further housed in a bag body 23 made of a thin sheet made of the same material as that of the above-mentioned embodiment.
Is evacuated and sealed at one end,
It has a closed structure.

It is the same as in the previous embodiment that the single or plural bag bodies 23 thus constructed are housed in the second container and the periphery thereof is covered with ice, and the description thereof will be omitted.

FIG. 6 shows a case where crushed ice is used as ice, and crushed ice 32 made of ion water covers the periphery of the bag body 31 housed in the second container 30.

When implemented in this way, there is an advantage that unevenness is not provided on the inner bottom portion of the second container 30 and a holding member or the like is not required.

The ionic water used in the present invention is obtained by irradiating water with far infrared rays in a specific wavelength range of 4 to 14 microns in a room temperature range. In this way, water absorbs the far infrared rays and water molecules are absorbed. The vibrations become active due to a slight shift in the bond between oxygen and hydrogen, which make up oxygen, and take in oxygen and nitrogen from the outside, release the gases and dissolved substances held up to that point, and even hydrogen. Weak alkaline ionized water is obtained by increasing the ion concentration from around 7 to 8 and 3. This weak alkaline ionized water is referred to as ionized water in this specification.

As a method of irradiating water with far infrared rays, water may be simply passed through a far infrared radiator, or ionized water may be obtained by putting water in a container equipped with a far infrared radiation plate. However, if desired, water was stored in a container equipped with a far-infrared radiation plate, and the far-infrared radiation was irradiated from an air pump through a hose with one end attached to this container and a far-infrared radiator filled inside. A method is preferable in which far infrared rays emitted from a far infrared radiation plate while sending air to generate bubbles in water and giving vibration, and far infrared rays emitted from compressed air irradiated with far infrared rays are used. The one configured in this manner is also referred to as ionized water in this specification.

It is also possible to use these ionized water which are further irradiated with magnetic force lines to form magnetically irradiated ionized water, and the water thus constituted is also referred to as ionized water in this specification.

As described above, in any of the examples, the deionized water is pure water,
Tap water or saline is appropriately selected and used.

(Example 1.) 300 g of fillet for tuna sashimi, length 7 cm, width 15 cm, depth 4 cm
The first drip sheet in a plastic first container having the shape of a square plate was laid and stored, and then the first container was stored in a bag body made of a thin plastic sheet and deaerated. Later the inlet was heat sealed and sealed. Next, this bag is made of Styrofoam, length 11 cm,
It is stored in a second container with a width of 20 cm and a depth of 8 cm, and while keeping it at the exact center position, ion water of tap water is injected into the second container and the ion water is kept at -4 ° C. Iced. After about 3 months in this iced state, the pieces were thawed and the fillets were taken out, and no evidence of any cold ice burning was observed. Next, when this was placed on a bowl and a kitchen knife was put in, the kitchen knife easily passed, the inside soup did not come out, and the freshness and taste were maintained without any loss, so that it should be eaten deliciously. I was able to.

(Example 2) 300 g of beef steak fillet was stored in the first plastic container in the shape of a square plate, which was laid on the drip sheet, and then the first container was thin plastic sheet. It was housed in a bag constituted by, and its inlet was heat-sealed and hermetically sealed. Next, this bag is stored in a second container made of Styrofoam, and while keeping it at the exact center position, ion water of tap water in the second container is injected and the bag is kept at minus 4 ° C. Ionic water was frozen. After about 3 months in this iced state, the pieces were thawed and the fillets were taken out, and no evidence of any cold ice burning was observed. Next, when this was placed on a bowl and a kitchen knife was put therein, the kitchen knife easily passed, and the inside soup did not come out, and the freshness, taste and the like were maintained, and it was possible to eat deliciously.

(Example 3) Twenty large strawberries grown in greenhouses are stored in a plastic first container laid with a soft sheet, and then the first container is stored together with an oxygen scavenger in a plastic sheet bag. It was vacuum packed. This bag was stored in a second container made of Styrofoam, iced with water as in Example 1, and taken out after 40 days. Strawberries themselves were almost free of ice, and the freshness, flavor and aroma I was able to eat deliciously while maintaining the same.

In the case of strawberries, when a part of blue that is not yet fully ripe is used, so-called low temperature aging can be achieved at the same time, and fresh strawberries, flavor, taste and the like can be obtained as a whole red strawberries. did it.

(Effects of the Invention) As described in detail above, according to the packaging method of the present invention, a fresh food can be stored for a long period of time without causing cold ice baking and without impairing its freshness, flavor, aroma and the like. Moreover, the packaging container according to the present invention is easy to carry, and since the fresh food of the contents is protected by the ice covering the periphery of the bag body, there is no risk of damage during transportation, and it can be cooled further. Since it does not require an ice wheel, it can revolutionize the distribution of these products.

[Brief description of drawings]

The drawings show an embodiment of the present invention, in which FIG. 1 is a perspective view of a bag body formed by sealing a first container containing tuna fillets therein, and FIG. 2 is a sectional view taken along line AA of FIG. , FIG. 3 is a vertical cross-sectional view of a second container accommodating a plurality of this bag body, and FIG.
The figure shows a vertical sectional view of the second container accommodating a single bag, the fifth container
FIG. 6 is a vertical cross-sectional view of a bag body in which strawberries are housed and sealed together with a first container, and FIG. 6 is a vertical cross-sectional view of a second container showing Example 1 when crushed ice is used. 1, 12 ...... fillet 2 ...... drip sheet 3, 20 ...... first container 4, 11, 23, 31 …… bag body 5, 10, 30 …… second container 6, 7, 13 …… holding member 8 , 14 …… Ice 21 …… Soft sheet 22 …… Strawberry 24 …… Oxygen absorber 32 …… Crushed ice

Claims (11)

[Claims] 1. A raw fish fillet is stored in a first container provided with a drip sheet, and then the first container is stored in a bag body made of a thin sheet having cold and water resistance and deaerated. A method for packaging fresh food, which comprises sealing and storing the bag in a second container in the presence of ice made of ionized water around the bag. 2. Raw meat fillets are housed in a first container having a drip sheet laid open at the top, and then the first container is housed in a bag made of a thin sheet having cold and water resistance and sealed. Then, a method of packaging fresh food, characterized in that the bag is stored in a second container in a state where ice made of ionized water is present around the bag. 3. Fruits and vegetables are stored in a first container with a drip sheet laid open at the top, and then the first container is put together with an oxygen scavenger into a bag body made of a thin sheet having cold and water resistance. A method of packaging fresh food, which is vacuum-packed, and the bag is stored in a second container in the presence of ice made of ionized water around the bag. 4. The method for packaging fresh food according to claim 3, wherein the fruit is strawberry. 5. When covering the periphery of the bag with ice, the package is kept in a state where water is present in the water filled in the second container, and the water is iced. The method for packaging fresh food according to claims 1 to 3. 6. When covering the periphery of the bag with ice, first,
Characterized in that crushed ice is laid in the second container, then the bag is placed on the crushed ice, and crushed ice is further scattered on the bag.
The method for packaging fresh food according to claims 1 to 3. 7. The method for packaging fresh food according to claim 1, wherein the ice is made of fresh water. 8. The method for packaging fresh food according to claim 1, wherein the ice is made of tap water. 9. The packaging method for fresh food according to claim 1, wherein the ice is made of water containing salt. 10. A drip sheet is laid and a first container having an open top for accommodating fresh food therein, a cold and water resistant bag for sealing the first container, and a second container further accommodating the bag. A packaging container for fresh food, comprising a container and ice made of ionized water which covers the periphery of the bag in the second container. 11. The method for packaging fresh food according to claim 1, wherein the drip sheet is a soft sheet.