JPH06261730A - Method for removing air in fruits and device therefor - Google Patents

Abstract

PURPOSE:To efficiently and sufficiently remove air in fruits in a short time. CONSTITUTION:A device for removing air in fruits is equipped with a pressure closed container 2 into which water 4 is poured and in which apples 1 can be immersed in the water 4, a pressure-reducing pump 7 for decompressing a space part 8 formed above the water 4 poured in the pressure closed container 2 and a water tank 10 for supplying the pressurized water 4 to the pressure closed container 2. In a state wherein the apples 1 are held in the water 4 poured to height H in the pressure closed container 2, the pressure closed container 2 is decompressed, the decompressed state is retained for a prescribed time, the pressurized water 4 is added to the pressure closed container 2, the pressurized state of the pressure closed container 2 is maintained for a given time to efficiently remove air contained in the interior of the applies 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and device for removing air from fruits.

[0002]

2. Description of the Related Art Generally, fruits such as apples and pears are soaked in syrup to process the fruits to produce products.

For example, when the fruit is soaked in syrup to be seasoned, if the air is contained in the fruit, the syrup does not soak into the fruit, and therefore, before the fruit is soaked in the syrup, Air is generally removed, and a conventional air removal apparatus for fruits will be described below with reference to FIG.

In the figure, 1 is an apple (fruit) with a skin whose core is cut out in a substantially cylindrical shape to remove air, and 2 is equipped with a valve 3 to which water 4 can be injected and the water 4 A pressure-resistant airtight container capable of immersing the apple 1 therein, and a valve 5 is provided at a position higher than the height H of the pressure-resistant airtight container 2.
A decompression pump 7 is connected via a pipe 6 provided with.
Further, the pressure-resistant airtight container 2 is provided with a lid 2a that can be opened and closed.

The lid 2a of the pressure-resistant airtight container 2 is opened, and the required number of apples 1 placed in a basket or the like are pressure-tightly closed container 2 together with the basket.
When the pressure reducing pump 7 is started by injecting water 4 to the height H and then keeping the apple 1 immersed in the water 4 while keeping the valve 3 closed and the valve 5 opened. The air in the space 8 of the closed container 2 is sucked through the pipe 6 to be a negative pressure, and the pressure-resistant closed container 2 is depressurized. The air contained in the apple 1 is removed by maintaining the depressurized state for about 24 hours (one day and night).

[0006]

With the above-mentioned conventional air removing apparatus for fruits, it is not possible to sufficiently remove the air, and the air remains in the apple 1 and is performed after the air removing step. It caused various problems in the processing of apple 1.

For example, when apple 1 is soaked in syrup, the syrup does not soak into apple 1 and the quality deteriorates. Further, when apple 1 is wrapped as it is with pie dough or the like to make an apple pie, When the pie dough wrapped around the apple 1 is baked, the pie dough expands due to the remaining air and is peeled off from the apple 1, and when the baking is over, the pie dough cools and the pie dough sags, which reduces the value of the product. there were.

Further, as described above, there is a problem that the working efficiency is poor for a long working time, and furthermore, the scent component or extract (taste) of the apple 1 which easily flows out due to the long working time. There is a problem that the components flow out, and the quality when commercialized further deteriorates.

In view of the above situation, it is an object of the present invention to provide a method and apparatus for removing air from fruits, which is capable of efficiently and sufficiently removing air from fruits in a short time. It is what

[0010]

According to the present invention, the space in the container is depressurized in a state where fruits are held in a liquid injected so that a space is formed in the upper part of the container. After holding for a required time, the container is filled with a pressurized liquid so as to fill it, and the pressurized state in the container is maintained for a required time, the method for removing air from fruits, and the liquid is injected. Along with obtaining, a container capable of immersing fruits in the liquid, a decompression device for decompressing the space formed in the upper part of the liquid injected into the container, and a pressurized liquid in the container. A device for removing air from fruits, which is provided with a liquid supply device for supplying, and a container for holding fruits in the liquid injected to form a space in the upper part of the container. After decompressing the space and holding the reduced pressure for the required time, A method of removing air in fruits, which comprises injecting a pressurized inert gas into a container so as to fill the container, and maintaining a pressurized state in the container for a required time, and a liquid can be injected, A container adapted to immerse fruits in the liquid, a decompression device for decompressing a space formed in an upper portion of the liquid injected into the container, and an inert gas pressurized in the container. And an inert gas supply device for supplying air.

[0011]

The liquid is injected into the container up to the required liquid level, and while the fruits are held in the liquid, the inside of the container is depressurized by the depressurizing device, and the depressurized state is held for a certain period of time. When the pressurized liquid is injected into the container from the liquid supply device and the pressurized state in the container is maintained for the required time, the air contained in the fruits is sufficiently removed.

Injecting liquid to the required liquid level in the container,
While holding fruits in the liquid, the inside of the container was decompressed by a decompression device, the depressurized state was maintained for a certain period of time, and then a pressurized inert gas was injected into the container from a liquid supply device. If the pressurized state in the container is maintained for the required time, the air contained in the fruits is sufficiently removed.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.

In the figure, 1 is an apple (fruit) with a skin whose core is cut out in a substantially cylindrical shape to remove air, and 2 is a valve 3 equipped with a water (liquid) 4 similar to the conventional one. A pressure-resistant closed container equipped with a lid 2a, which is pourable and is capable of immersing the apple 1 in the water 4, where H is the apple 1
Is the height of the water 4 to be injected when the pressure-resistant airtight container 2 is depressurized. A decompression pump 7 is connected to a position higher than the height H of the pressure tight container 2 through a pipe 6 equipped with a valve 5.

A water tank (liquid supply device) 10 is connected to the pressure-resistant airtight container 2 through a pipe 9, and the water-pressure 4 from the water tank 10 is pressurized to the pipe 9 as a pressure-resistant fluid. 2 is provided with a pressurized water flow pump 11 and a valve 12 is provided between the pressurized water flow pump 11 of the pipe 9 and the pressure-resistant closed container 2.

Further, in the figure, numeral 13 is a heat retaining jacket arranged so as to keep the water temperature in the pressure-resistant closed container 2 at a required temperature.

When the air contained in the apple 1 is to be removed, first, the apple 1 is put into the pressure-resistant closed container 2 filled with water 4 up to the height H and held in the water 4, and the valve 3, 1
2 is closed, the valve 5 is opened, the decompression pump 7 is operated, and air is sucked from the space 8 to about 1
The pressure is reduced to 8 mmHg, and the state reduced to about 18 mmHg is maintained for about 15 minutes.

Subsequently, after the valve 5 is closed and the pressure reduction is completed, the valve 12 is opened and the pressurized water flow pump 11 is operated to remove the pressure-tight sealed container 2 from the water tank 10.
To the pressure-resistant airtight container 2 is supplied with water 4 having a water pressure of 10 kg / m ² G as a pressurized fluid, and the pressure in the pressure-resistant airtight container 2 is increased while the negative pressure state in the pressure-resistant airtight container 2 is released.
^{When 2} G is reached, the valve 12 is closed and this state is maintained for preferably 15 minutes.

Thereafter, the valve 3 is opened to bring the pressure-resistant airtight container 2 to atmospheric pressure, the lid 2a is opened, and the apple 1 is taken out from the pressure-resistant airtight container 2 to remove the air contained in the apple 1. Ends.

As described above, the air contained in the apple 1 is good by holding the apple 1 in the water 4 poured into the pressure-resistant closed container 2, depressurizing the pressure-resistant closed container 2 and then pressurizing the apple 1. As a result of the experiment, it was found that the air can be completely removed from the air, and it is possible to completely remove the air from the low temperature of about 5 ° C. Although it tends to occur, it has been found that the higher the temperature, the higher the outflow amount of the scent and the extract.

The inventor of the present invention conducted an experiment on 100 apples 1 and, after completion of the air removal work as described above,
When apple 1 was cracked, the transparency of the pulp of most apples 1 increased, and when soaked in syrup, the syrup sufficiently penetrated into apple 1 and the quality was improved. Even when the apple pie was made by wrapping it with dough, the pie dough did not expand and a high quality product could be obtained.

Therefore, by removing the air contained in the apple 1 as described above, the air in the apple 1 can be sufficiently removed, and the air in the apple 1 can be sufficiently removed in about 30 minutes. Therefore, the working time can be significantly reduced. Further, since the air can be removed in a short time, the outflow of the scent component and the extract (taste) of the apple 1 can be suppressed as much as possible. Therefore, the apples 1 from which the air has been removed as described above are subsequently subjected to various kinds of processing treatments to be produced into products of high quality.

The present invention is not limited to the above-mentioned embodiment, and in the embodiment, as a device for pressurizing the pressure-resistant airtight container, a water tank is connected to the pressure-resistant airtight container via a pipe, The pressurizing pump for pressurizing water from the water tank arranged in the pipe and supplying it as a pressurized fluid to the pressure-resistant airtight container has been described. It is also possible to use an inert gas supply device for supplying the above-mentioned inert gas, although apples are explained in the examples, but it can also be used for other fruits, and in the examples liquid is water. However, it is needless to say that various selections can be made for the composition of the liquid and various changes can be made without departing from the scope of the present invention.

[0024]

As described above, according to the method and apparatus for removing air from fruits of the present invention, the following excellent effects can be obtained.

(I) Air in fruits can be removed with high efficiency.

(II) The air can be removed in a short time and the working efficiency is improved.

(III) Since the air can be removed in a short time, the loss of the scent component and the extract (taste) component of the fruits that easily flow out to the outside can be reduced, and the quality of the fruits can be maintained. it can.

(IV) Above (I), (II), (II
As a result of I), the quality of the product obtained when the fruit from which air inside the fruit has been removed is made into various products is improved.

[Brief description of drawings]

FIG. 1 is a schematic diagram of an embodiment of the present invention.

FIG. 2 is a schematic diagram of a conventional device for removing air from fruits.

[Explanation of symbols]

 1 Apples (fruits) 2 Pressure tight sealed container (container) 4 Water (liquid) 7 Decompression pump (decompression device) 8 Space part (space) 10 Water tank (liquid supply device) 11 Pressurized water flow pump H Height

Claims (4)

[Claims] 1. A container in which a fruit is held in a liquid injected so that a space is formed in an upper part of the container, the space in the container is depressurized, and the depressurized state is held for a required time, A method for removing air from fruits, which comprises injecting a pressurized liquid to fill the inside of the container and maintaining the pressurized state in the container for a required time. 2. A container in which a liquid can be injected and fruits can be immersed in the liquid, and a decompression device for decompressing a space formed in an upper portion of the liquid injected in the container. And a liquid supply device for supplying a pressurized liquid to the container, an air removing device for fruits. 3. The container is depressurized in a state where fruits are held in a liquid infused so that a space is formed in the upper part of the container, and the depressurized state is maintained for a required time, and then the container. Inject it to fill the pressurized inert gas,
A method for removing air from fruits, characterized in that the pressurized state in the container is maintained for a required time. 4. A container capable of injecting a liquid and immersing fruits in the liquid, and a decompression device for decompressing a space formed above the liquid infused in the container. And an inert gas supply device for supplying a pressurized inert gas to the container, an air removing device for fruits.