Manufacturing method for sheet-shaped foods

Abstract

To provide a production method of a sheet-like food product capable of improving a yield when filtering a raw material liquid including a paste of vegetable and the like using, an existing laver production device.SOLUTION: There is provided a production method of a sheet-like food product comprising: a step for passing a raw material liquid including a paste obtained by pulverizing, vegetable or fruit, through a mat for filtering the raw material liquid, the mat has a mesh like sheet (1) or the mat is formed of a resin rod having irregularities.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a method for producing a sheet-like food product. Background Art

[0002] In recent years, sheet-like food products made from vegetables and fruits (hereinafter referred to as vegetables, etc.) have been available on the market. Since such sheet-like food products retain the original nutrients, flavor, color and other characteristics of vegetables and the like, they can be used, for example, as a substitute for laver or raw spring roll wrappers, or can be finely cut and used as a topping for dishes. This makes it easy to add color to dishes, allows one to enjoy the flavor of vegetables and other ingredients when eating, and also enables intake of the nutritional components of vegetables and the like.

[0003] As a method for producing sheet-like food products using vegetables or the like as raw materials, for example, Patent Document 1 discloses a dried vegetable sheet that is not mixed with a binder such as starch or wheat. In the method disclosed therein, after vegetables are pulverized into a liquid or paste form, the mixture is not formed into a sheet by papermaking or pressing, nor are the vegetables heated and compressed by a press; instead, the dried vegetable sheet is obtained by drying to a thickness of between 2 mm and 0.01 mm. Further, Patent Document 2 discloses a method for producing a sheet-like food product, which comprises: a step of boiling a food material containing vegetables and / or fruits in an enzyme-containing water tank for a predetermined time; a step of mincing or forming the boiled food material into a paste, then homogenizing the minced material together with an enzyme in a conditioner; and a step of spreading the minced food material into a sheet shape, squeezing out moisture and drying the same. Prior Art Documents Patent Documents

[0004] Patent Document 1 Japanese Unexamined Patent Application Publication No. 2016-198091 Patent Document 2 Japanese Unexamined Patent Application Publication No. 9-56340 Summary of the Invention Problems to be Solved by the Invention

[0005] In the methods for manufacturing sheet-like foods described in Patent Documents 1 and 2, the raw material liquid, which is made by crushing vegetables and other ingredients into a paste, is dried on trays or conveyors. This raises concerns such as the time required for manufacturing sheet-like foods and the need for larger equipment due to the long retention time of the trays on the conveyor. Therefore, the object of the present invention is to provide a method for efficiently producing sheet-like food products from crushed vegetables and the like. [Means for solving the problem]

[0006] To solve this problem, the inventors considered using existing seaweed manufacturing equipment. However, when sheet-like food products made from vegetables and other raw materials were manufactured using conventional seaweed manufacturing equipment, a large portion of the raw material liquid, such as vegetables, passed through the seaweed screen, resulting in poor yield and significant losses during manufacturing.

[0007] As a result of diligent research, the inventors of this invention have found that the above problems can be solved by adopting a mat with a specific configuration instead of the existing mats used in existing nori (seaweed) manufacturing equipment, and have completed the present invention. In other words, the present invention encompasses the following embodiments. [1] A method for producing a sheet-like food from a raw material liquid containing a paste obtained by crushing vegetables or fruits, The process includes filtering the raw material liquid by passing it through a screen, The screen is provided with a mesh-like sheet (1), or the screen is made of resin rods having irregularities on the resin surface. A method for manufacturing sheet-shaped food products. [2] The method for producing a sheet-like food according to [1], wherein the mesh opening of the mesh-like sheet (1) is 10 μm or more. [3] A method for producing a sheet-like food according to [1] or [2], wherein the mesh opening of the mesh-like sheet (1) is 2000 μm or less. [4] A method for producing a sheet-like food according to any one of [1] to [3], further comprising the step of pressing a sponge-like absorbent, which is placed at least above the filtering surface of the screen, against the screen to dewater the raw material liquid. [5] A method for producing a sheet-like food according to [4], comprising a mesh-like sheet (2) with an opening of 10 μm or more on the surface of the sponge-like absorbent body. [6] The method for producing a sheet-like food according to [5], wherein the mesh opening of the mesh-like sheet (2) is 550 μm or less. [7] A method for producing a sheet-like food according to [5] or [6], wherein the mesh opening of the mesh-like sheet (2) is smaller than the mesh opening of the mesh-like sheet (1). [Effects of the Invention]

[0008] According to the present invention, the yield when filtering raw material liquids containing vegetable pastes can be improved, thereby providing an efficient method for manufacturing sheet-like foods. Furthermore, according to the present invention, sheet-like foods made from vegetables, etc., can be manufactured without chipping or holes, and with a smooth surface. Furthermore, according to the present invention, it is possible to use modified versions of the nori mats used in existing nori manufacturing equipment, and since it can be manufactured using existing nori manufacturing equipment, it has the advantage of being able to start mass production without the need for large-scale equipment investment. Moreover, conventional methods of drying in trays result in long manufacturing times and long retention times of trays on the conveyor, requiring larger equipment, but the present invention does not cause such problems. [Brief explanation of the drawing]

[0009] [Figure 1] This is a schematic diagram showing a cross-section of the screen, the mesh-like sheet (1), and the sheet-like food after filtering a raw material liquid containing paste through a screen equipped with a mesh-like sheet (1) in a method for producing sheet-like food according to the present invention, dewatering with a sponge-like absorbent, and drying. [Figure 2] This is a photograph showing the carrot sheet obtained in Comparative Example 1. [Figure 3]It is an enlarged photograph showing the carrot sheet obtained in Comparative Example 1. [Figure 4] It is a photograph showing the carrot sheet obtained in Example 1. [Figure 5] It is an enlarged photograph showing the carrot sheet obtained in Example 1. [Figure 6] It is a photograph showing the carrot sheet obtained in Example 6. Mode for Carrying Out the Invention

[0010] Hereinafter, the method for producing a sheet-shaped food of the present invention will be described in detail. The method for producing a sheet-shaped food of the present invention comprises a step of filtering a raw material liquid containing a paste obtained by pulverizing vegetables or fruits (hereinafter referred to as vegetables, etc.) by passing the raw material liquid through a screen having a specific configuration.

[0011] The vegetables used in the present invention are not particularly limited, and examples thereof include root vegetables such as carrot and Japanese radish, underground vegetables such as onion and potato, leaf and stem vegetables such as kale and spinach, fruit vegetables such as pumpkin and tomato, leguminous vegetables such as green pea and snow pea, and gramineous vegetables such as corn and baby corn. Among these, from the viewpoint of excellent production stability, the vegetable is preferably carrot, pumpkin, potato, onion or corn, more preferably carrot or pumpkin, and still more preferably carrot.

[0012] The fruits used in the present invention are not particularly limited, and examples thereof include deciduous fruit trees including pomes such as apple and pear, drupes such as peach and cherry, and evergreen fruit trees including citrus fruits such as mandarin orange.

[0013] The method for crushing wild vegetables and the like is not particularly limited as long as it can paste vegetables and the like. Examples of such a method include feeding vegetables and the like that have undergone pretreatments such as washing and peeling to a pasting apparatus. The system of the pasting apparatus is not particularly limited, and examples thereof include a grinding stone type (whetstone type), a cutting blade type, a barrel pounding type, a medium stirring type, a compression type, an impact type, and a grinding type. Among these, the cutting blade type is preferred. A commercially available cutter mixer can be used as the cutting blade type apparatus. The pasting conditions are not particularly limited as long as vegetables and the like can be pasted by the pasting apparatus, and examples include crushing with a cutter mixer at 1000 to 2500 rpm for 30 seconds to 3 minutes.

[0014] It is preferable that vegetables and the like to be fed to the pasting apparatus are cut into an arbitrary size in advance and heated in hot water or steam. For the purpose of sterilizing and softening vegetables and the like, heating is preferably performed at a central temperature of 75°C or higher for 1 minute or longer. It is preferable to heat at a central temperature of 75°C or higher (100°C or lower under atmospheric pressure) for 1 to 20 minutes. From the viewpoint of enabling uniform drying of the sheet-shaped food, the particle size of solids in the obtained paste is preferably 2000 µm or less, and more preferably 1000 µm or less. The lower limit of the above particle size is not particularly limited, but from the viewpoint of making it difficult to pass through a screen, for example, it is preferably 100 µm or more. The above particle size range can be adjusted by adjusting the pasting conditions. The particle size is determined according to the following procedure. First, the paste is passed through a stainless steel sieve having an arbitrary opening size, and filtered on the sieve. After filtration, the paste remaining on the sieve is treated as a paste having a particle size larger than the opening size of the stainless steel sieve, and the paste that has passed through the sieve is treated as a paste having a particle size smaller than the opening size.

[0015] Next, the raw material liquid containing the obtained paste is filtered through a screen, as described later. This allows the solids to remain on the screen while removing smaller particles and water. The raw material liquid may be adjusted to an appropriate viscosity by dispersing it in water or other liquids to lower its viscosity, or conversely, by adding a binder to increase its viscosity, in order to facilitate supply to the screen. The raw material liquid preferably consists of paste and water, and preferably does not contain a binder. The amount of water added to the paste made from vegetables and / or fruits is preferably changed as appropriate depending on the water content in the vegetables and / or fruits used to make the paste, but for example, the raw material liquid may be made by adding water at a rate of about 10 to 300% by mass or about 50 to 200% by mass relative to the mass of vegetables and / or fruits used to make the paste. The viscosity of the raw material liquid is not particularly limited, but it is preferably 0.1 Pa·s to 0.6 Pa·s at 25°C.

[0016] The method for measuring the viscosity of the raw material liquid is not particularly limited and can be any of the following: using a capillary viscometer, a falling ball viscometer, a rotational viscometer, or a vibratory viscometer. For example, a VISCOMETER TVC-10 (manufactured by Toki Sangyo Co., Ltd.) (equipped with rotor No. 3, rotational speed 20 rpm) can be used as a rotational viscometer.

[0017] The raw material liquid may be obtained by crushing vegetables, etc., as described above, or it may be used by thawing a separately prepared frozen raw material liquid.

[0018] The screen used in the present invention is either equipped with a mesh-like sheet (1), or the screen is made of resin rods having irregularities on the resin surface. The "screen" may be based on a screen manufactured using the same materials (e.g., bamboo, polypropylene resin, etc.) as a "seaweed screen" conventionally used in seaweed production, and having a similar shape (for example, bamboo or resin with a diameter of φ1 to 3 mm arranged at intervals of 0.1 to 1 mm, connected with thread, and placed in a frame of 10 to 30 cm × 10 to 30 cm), and may be equipped with a mesh-like sheet (1), or it may be based on a "seaweed screen" conventionally used, which is made of resin rods and has irregularities on the resin surface.

[0019] The presence of a mesh-like sheet (1) on the screen improves the yield when passing the raw material liquid through the screen. In this case, the screen may have an uneven surface, as described later, or it may not have such unevenness. In this case, it is preferable to place the mesh-like sheet (1) on the screen and pour the raw material liquid over it. In this specification, since there are mesh-like sheets provided by the sponge-like absorbent and mesh-like sheets provided by the screen, for convenience, the mesh-like sheet provided by the screen will be referred to as mesh-like sheet (1), and the mesh-like sheet provided by the sponge-like absorbent will be referred to as mesh-like sheet (2).

[0020] The mesh opening of the mesh sheet (1) is preferably 10 μm or larger. When the mesh opening is greater than or equal to the lower limit, the raw material liquid can be efficiently dewatered using the sponge-like absorbent. The mesh opening of the mesh sheet (1) is more preferably 20 μm or larger, and even more preferably 30 μm or larger.

[0021] The mesh opening of the mesh sheet (1) is preferably 2000 μm or less. When the mesh opening is below the above upper limit, the solid components of the raw material liquid have difficulty passing through the mesh sheet while maintaining good yield and dewatering properties. As a result, the raw material liquid is less likely to adhere to the walls of the holes in the mesh sheet, and adhesion between the mesh sheet and the dried sheet-like food is suppressed. This suppresses chipping and perforation of the sheet-like food when peeling the dried sheet-like food from the mesh sheet, and furthermore, the surface of the sheet-like food can be made smoother. The mesh opening of the mesh sheet (1) is more preferably 1100 μm or less, even more preferably 500 μm or less, and even more preferably 100 μm or less.

[0022] The mesh opening of the mesh-like sheet (1) can be measured, for example, using a stereomicroscope equipped with an eyepiece micrometer. For example, the KEYENCE VHX-1000 can be used as a stereomicroscope, and the lens used can be appropriately selected according to the mesh opening of the specimen, such as the KEYENCE VH-Z25.

[0023] The thickness of the mesh sheet (1) is not particularly limited, but is preferably 100 to 1500 μm. The thickness of the mesh sheet (1) can be measured by conventional methods, such as a contact-type film thickness gauge.

[0024] The material of the mesh sheet (1) is not particularly limited. The mesh sheet (1) preferably contains one or more of the following: fluororesin, polyamide resin, polyester resin, polyolefin resin, etc. In particular, from the viewpoint of excellent release properties for sheet-like food products, the mesh sheet (1) preferably contains a fluororesin.

[0025] The yield when passing the raw material liquid through the screen can also be improved by having the screen composed of resin rods with irregularities on the resin surface. The irregularities on the resin surface can be formed in any way, but it is preferable that the irregularities exist along the circumference in a cross-sectional view perpendicular to the longitudinal direction (axial direction) of the rods constituting the screen. For example, such irregularities can be manufactured by forming grooves (recesses) at intervals that extend along the longitudinal direction (or axial direction) of the resin rods. The shape of the irregularities can be any shape as long as it improves the peelability of the sheet-like food after drying. For convenience, below, a screen composed of resin rods with irregularities on the surface will be referred to as an "irregular surface screen," and a screen not composed of resin rods with irregularities will be referred to as a "smooth surface screen." Commercially available irregular surface screens can be used, and examples of commercially available products include "Nibera" manufactured by Nichimo One Man Co., Ltd.

[0026] From the viewpoint of further improving yield, it is preferable that the resin rods constituting the uneven surface screen have a structure that is twisted in the axial direction. That is, it is preferable that the protrusions of the resin rods are arranged to form a circle from one end to the other of the rod when viewed in a cross-sectional view perpendicular to the longitudinal direction (axial direction) of the screen rod. The material of the resin rods is not particularly limited, and polyolefin resins such as polypropylene can be used.

[0027] The raw material liquid filtered using the screen of the present invention, which is equipped with a mesh-like sheet (1) or composed of resin rods having irregularities on the resin surface, is preferably further dewatered by pressing a sponge-like absorbent, which is placed at least above, preferably above and below, the filtering surface of the screen, against the screen. The sponge-like absorbent is used to dewater the raw material liquid by absorbing water contained in it through capillary action. The sponge-like absorbent may be placed at least above the filtering surface of the screen after the raw material liquid has been filtered by the screen, or it may be placed so as to sandwich it from above and below, or it may be placed by adhering it to the press surface of a press device, such as those used in conventional seaweed manufacturing equipment. The sponge-like absorbent used is not particularly limited, and a porous material made of resin (e.g., polyurethane) with a thickness of about 10 to 50 mm can be used. The sponge-like absorbent should be at least at the top, but preferably a pair is used at the top and bottom, sandwiching the screen. In the present invention, it is preferable to provide a mesh-like sheet (2) with an opening of 10 μm or more on the surface of the sponge-like absorbent that comes into contact with the raw material liquid. By adopting this configuration, the raw material liquid can be efficiently dewatered using the sponge-like absorbent. The opening of the mesh is more preferably 45 μm or more, even more preferably 55 μm or more, and particularly preferably 65 μm or more.

[0028] The pressure applied when pressing the sponge-like absorbent material against the screen is not particularly limited, but is preferably between 0.5 MPa and 5 MPa. When the pressure is within the above range, dewatering can be performed efficiently, the drying time can be shortened, and the transfer of the raw material liquid to the sponge-like absorbent material can be suppressed.

[0029] The material of the mesh-like sheet (2) is not particularly limited, and any material that can be used for the mesh-like sheet (1) can be used. The mesh-like sheet (2) may be made of a different material from the mesh-like sheet (1), or it may be made of the same material. That is, the mesh-like sheet (2) preferably contains one or more of the following: fluororesin, polyamide resin, polyester resin, polyolefin resin, etc. From the viewpoint of excellent release properties for sheet-like food products, it is preferable that the mesh-like sheet (2) contains a fluororesin.

[0030] The mesh opening of the mesh sheet (2) is preferably 550 μm or less. When the mesh opening is below the above upper limit, the solid components of the raw material liquid are less likely to pass through the mesh sheet while maintaining good yield and dewatering properties. This further suppresses adhesion between the mesh sheet (2) and the raw material liquid, and when the dried sheet food is peeled from the mesh sheet (2), chipping and perforation of the sheet food can be further suppressed, resulting in a smoother surface for the sheet food. The mesh opening is more preferably 500 μm or less, even more preferably 400 μm or less, and particularly preferably 300 μm or less. The mesh opening of the mesh sheet (2) can be measured using the same method as the mesh opening of the mesh sheet (1) described above.

[0031] The mesh opening of the mesh sheet (2) is preferably smaller than the mesh opening of the mesh sheet (1). By adopting this configuration, when the sponge absorbent is pressed against the screen and then released, the adhesion of vegetables, etc., to the mesh sheet (2) is suppressed, and as a result, chipping and holes in the resulting sheet-like food can be suppressed. In this case, the difference between the mesh opening of the mesh sheet (2) and the mesh opening of the mesh sheet (1) is preferably 10 μm to 1000 μm, and more preferably 20 μm to 500 μm.

[0032] The dehydrated raw material liquid may be dried to obtain a sheet-like food product. The drying conditions are not particularly limited; for example, the entire mat may be dried at a temperature of 30-60°C for 1-5 hours. Figure 1 shows schematic diagrams of cross-sections of the mat, mesh-like sheet (1), and sheet-like food product after drying. As shown in Figure 1, after drying, the mesh-like sheet (1) 2 is stacked on the mat 3, and the sheet-like food product 1 is further stacked on top of it. The moisture content of the sheet-like food product obtained by drying is not particularly limited, but it is preferably 20% by mass or less.

[0033] The dried sheet-like food is then preferably peeled off the screen. The thickness of the sheet-like food obtained in this way is not particularly limited, but is preferably 1 μm to 1000 μm, more preferably 100 μm to 800 μm, and even more preferably 150 μm to 500 μm. The size of the sheet-like food is also not particularly limited and can be a square or rectangle with sides of 15 to 25 cm. [Examples]

[0034] The present invention will be described in more detail below based on examples, but the present invention is not limited to these examples.

[0035] <Manufacturing of paste (carrot paste)> After washing the carrots, peeling and cutting them into appropriate sizes as needed, they were heated in boiling water for 15 minutes and then ground using a cutter mixer at 2000 rpm for 3 minutes to obtain carrot paste.

[0036] <Manufacturing of sheet-type food products (carrot sheets)> Example 1 100g of the carrot paste obtained above was mixed with 100g of water and stirred to obtain a raw material liquid containing the paste (viscosity (25℃): 0.3~0.4 Pa·s). 200g of the obtained raw material liquid was applied onto a mesh sheet (1) (SEFER Co., Ltd., "PFK", containing fluororesin) with a 70μm mesh opening attached to a smooth surface screen (the application area in both cases was 21cm × 19cm = 399cm²).2 The mass of the raw material liquid on the screen was measured after being allowed to stand for 1 minute after application, and the yield was calculated according to the following formula. Yield (mass %) = (Mass after applying the raw material solution to the screen and letting it stand for 1 minute / 200) × 100 Subsequently, a sponge-like absorbent body to which a mesh-like sheet (2) (manufactured by SEFER, "PVDF", containing fluororesin) with a mesh opening of 40 μm was attached was placed above and below the aforementioned screen, and the raw material liquid was dehydrated by pressing it under pressure of 2 MPa for 3 seconds. After that, it was dried at 45°C until the moisture content was 10% by mass, and peeled off from the mesh-like sheet (1) to obtain a sheet-like food product (carrot sheet). The obtained sheet-like food product was evaluated according to the evaluation criteria below.

[0037] <Rating> (1) Criteria for evaluating dehydration ○: The raw material liquid can be sufficiently dehydrated during pressing. ×: The raw material liquid cannot be sufficiently dehydrated during pressing. (2) Criteria for evaluating peelability ○: After pressing and drying, a total of 36 mm of peeled-off sheet-like food material 2 There are no chips or holes on any of the four sides mentioned above. ×: After pressing and drying, a total of 36 mm of peeled-off sheet-like food remains. 2 The above-mentioned chips and holes are present on all four sides.

[0038] Examples 2-17, Comparative Examples 1-6 A sheet-like food product was obtained in the same manner as in Example 1, except that the types of vegetables, the type of bamboo mat, and the type of mesh-like sheet (1) attached to the mat were changed as shown in Tables 1 to 3 below. The uneven-surfaced bamboo mat used was "Nibera A-04EJ" manufactured by Nichimo One Man Co., Ltd., and the resin rods constituting the mat had grooves (unevenness on the surface) along the longitudinal direction on the surface, and furthermore, each resin rod had a twisted structure. The smooth-surfaced bamboo mat was the commercially available Nibera A-16 manufactured by Nichimo One Man Co., Ltd. The results are shown in Tables 1 to 3 below.

[0039] [Table 1]

[0040] [Table 2]

[0041] [Table 3]

[0042] From the results above, it was found that when sheet-like food products were manufactured using conventional seaweed screens (corresponding to smooth-surface screens), dewatering was excellent, but the yield was poor, resulting in significant losses during the manufacturing of sheet-like food products (Comparative Examples 1-6). Furthermore, as can be seen from Figure 2, some of the sheets were chipped after drying, and as shown in Figure 3, the surface after drying was not smooth but rough. On the other hand, it was found that when a mesh-like sheet (1) was attached to a smooth-surface screen, the yield could be improved compared to when a smooth-surface screen without the mesh-like sheet (1) was used (Examples 1-7). Moreover, if the mesh opening of the mesh-like sheet (1) was 10 μm or larger, the dewatering of the raw material liquid could be improved (Examples 1-6). Similar results were obtained when the type of vegetable was changed (Examples 8-17). Furthermore, when the mesh opening of the mesh-like sheet (1) is 2000 μm or less, the solid components of the raw material liquid are less likely to pass through the mesh-like sheet (1), preventing chipping or holes from forming when peeling off the dried carrot sheet (improved peelability), and resulting in a smooth surface (Examples 1-4, Figures 2-5).

[0043] Furthermore, even when a textured surface screen with a resin rod having an uneven surface was used instead of a conventional smooth surface screen (Example 6), the yield increased, and dewatering and peelability were also excellent. In this case as well, the occurrence of chips and holes in the resulting carrot sheets was suppressed (Figure 6).

[0044] Examples 18-20, Comparative Example 7 A carrot sheet was obtained in the same manner as in Example 1, except that the smooth surface curtain to which the mesh sheet (1) was attached was changed to an uneven surface curtain, and the mesh opening of the mesh sheet (2) was changed as shown in Table 4 below. The dewatering and peelability of the obtained carrot sheet were evaluated in the same manner as above. The evaluation results are shown in Table 4 below.

[0045] [Table 4]

[0046] From the above results, it was found that the mesh-like sheet (2) attached to the surface of the sponge-like absorbent has excellent dewatering properties when the mesh opening is 10 μm or larger (Examples 18-20). Furthermore, when the mesh opening of the mesh-like sheet (2) is less than 550 μm, the dewatering properties are not reduced, and when peeling off the dried carrot sheet, no chipping or holes occur, and a smooth surface is obtained (Examples 18, 19).

[0047] Examples 21-28 Carrot sheets were obtained in the same manner as in Example 1, except that the mesh openings of mesh sheet (2) and mesh sheet (1) were changed as shown in Table 5 below. The adhesion of carrots to mesh sheet (2) after press dewatering of the raw material liquid using a sponge-like absorbent (before drying) was evaluated according to the evaluation criteria below. The evaluation results are shown in Table 5 below.

[0048] <Criteria for evaluating the adhesiveness of carrots> ○: After pressing, the carrots are not stuck to the mesh sheet (1). ×: After pressing, the carrots are stuck to the mesh sheet (1).

[0049] [Table 5]

[0050] Based on the above results, when the mesh opening of the mesh sheet (2) attached to the sponge-like absorbent side is smaller than the mesh opening of the mesh sheet (1) attached to the mat side, the adhesion of carrots to the mesh sheet (2) can be suppressed.

Claims

1. A method for producing a sheet-like food product from a raw material liquid containing a paste obtained by crushing vegetables or fruits, comprising the following steps (a) to (c): (a) A step of preparing a screen having a mesh sheet (1) on top of which has an opening of 10 μm or more and 2000 μm or less, (i) The above step of filtering the raw material liquid by passing it through the mesh sheet (1) and the screen, (c) A step of dewatering the sheet-like food by pressing a sponge-like absorbent, which is placed at least on top of the sheet-like food formed from the raw material liquid in step (b), in the direction of the screen, wherein the sponge-like absorbent has a mesh-like sheet (2) on its surface with an opening of 10 μm or more and 550 μm or less, A method for manufacturing sheet-shaped food products, comprising the following features.

2. The method for producing a sheet-like food according to claim 1, wherein the mesh-like sheet (1) has a mesh opening of 50 μm or more.

3. The method for producing a sheet-like food according to claim 1, wherein the mesh opening of the mesh-like sheet (1) is 1100 μm or less.

4. A method for producing a sheet-like food product from a raw material liquid containing a paste obtained by crushing vegetables or fruits, comprising the following steps (a) to (c): (a) A step of preparing a screen made of resin rods having irregularities on the resin surface, (i) A step of filtering the raw material liquid by passing it through the screen, (c) A step of dewatering the sheet-like food by pressing a sponge-like absorbent, which is placed at least on top of the sheet-like food formed from the raw material liquid in step (b), in the direction of the screen, wherein the sponge-like absorbent has a mesh-like sheet (2) on its surface with an opening of 10 μm or more and 550 μm or less, A method for manufacturing sheet-shaped food products, comprising the following features.

5. The method for producing a sheet-like food according to any one of claims 1 to 4, wherein the mesh opening of the mesh-like sheet (2) is 20 μm or more.

6. A method for producing a sheet-like food according to any one of claims 1 to 4, wherein the mesh opening of the mesh-like sheet (2) is 500 μm or less.

7. A method for producing a sheet-like food according to any one of claims 1 to 3, wherein the opening of the mesh-like sheet (2) is smaller than the opening of the mesh-like sheet (1).

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