JPH069496B2 - Method for producing string food, apparatus used for the method, and rotary cutter used for the apparatus - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a method for producing a string food and a device used for the method, in which a food material that is modified and solidified by heating such as seafood and meat is produced as a main material. And a rotary cutter used for the device.

<Prior Art> Conventionally, simulated foods using fish meat and the like, for example, processed foods having a crab-legged muscle, have been widely provided to the market. The pseudo food using the fish meat or the like, first, after generally mixing and mixing the raw materials of the fish meat surimi, extruded in a string on a conveyor to obtain a string-shaped food, further coloring step, cutting step and heating step etc. After that, we have obtained a simulated food processed to resemble the shape of other foods.

<Problems to be Solved by the Invention> However, in a conventional manufacturing process, particularly in a cutting process for cutting a raw material extruded in a string shape into a predetermined length, a mechanism of a cutter that slides up and down to cut the raw material is used. The one used is that the cutter cuts in the direction perpendicular to the conveying direction of the raw material.

On the other hand, as a processed food using fish meat, etc., a pseudo shirasu (Scientific name: Anguilla) that has the same texture and taste as shirasu and is processed similarly to shirasu in appearance.
Has not been known yet, and as a result of various studies, the present applicant has completed a method for producing a string-shaped food product, an apparatus used for the method, and a rotary cutter.

<Means for Solving the Problems> An object of the present invention is to continuously produce the raw material extruded in the form of a string, a method for producing a string-shaped food product that can be cut into a predetermined shape, and an apparatus used for the method, It is to provide a rotary cutter used for the device.

Another object of the present invention is to provide a method for producing a string-shaped food product which has a taste and texture very similar to natural shirasu and has an appearance similar to that of a natural product, a device used for the method, and a device used for the device. To provide a rotary cutter that does.

Still another object of the present invention is to provide a method for producing a string-shaped food product for continuously and efficiently producing pseudo-shirasu, an apparatus used for the method, and a rotary cutter used for the apparatus.

The above and other objects will be more apparent from the following description.

According to the present invention, a method for producing a string-shaped food product, (a) to obtain a mixed raw material finely divided by crushing and mixing a raw material containing a food that can be solidified by heating as a main component,
(b) The finely divided mixed raw material is extruded from a die having small holes to form a mixed raw material string, and (c) the mixed raw material string extruded from the die is more than 90 ° with respect to its conveying direction and 180 ° Provided is a method for producing a string-shaped food product, which comprises the steps of cutting at an angle of less than 0 by alternately changing the angle.

The expression "more than 90 ° and less than 180 °" describes that the angle formed by the conveying direction of the mixed raw material string extruded from the die and the cutting direction for cutting the string is an obtuse angle. Is. In the above-mentioned manufacturing method, the head and tail of the shirasu can be formed by alternately cutting the mixed raw material string within the range.

Further, according to the present invention, a raw material mixing means for plastering and mixing a raw material containing a food which can be solidified by heating as a main component, and a mixed raw material finely divided by the raw material mixing means are extruded from a die having small holes and mixed. A string forming means for forming a raw material string; and a string cutting means for cutting the mixed raw material string extruded by the string forming means, wherein the string cutting means is a roll and a blade provided on the peripheral surface of the roll. The blade has an angle different from each other with respect to the locus on the circumferential surface of the roll drawn by the roll and the mixed raw material string, and at least different from the locus on the circumferential surface of the roll. There is provided an apparatus for producing a string-shaped food product, which is characterized in that the blade portion is provided at a location.

Further, according to the present invention, there is provided a rotary cutter for producing a string-shaped food product, in which at least two blade portions having different angles are provided on the circumferential line on the circumferential surface of the roll perpendicular to the longitudinal axis of the roll.

Hereinafter, the present invention will be described in more detail.

Referring to FIG. 1, an apparatus 10 for carrying out the method for producing a mixed raw material string is schematically shown. In the step indicated by reference numeral A, a plurality of raw materials are crushed and mixed to obtain a finely divided mixed raw material.

As raw materials, walleye pollack, hockey, crow flounder, wallazka, horse mackerel, croaker, sesame, salmon, trout, scallop, clams,
Seafood such as clams; livestock meat such as beef, pork, mutton, chicken, horse meat, and rabbit meat; foods that can be solidified by heating such as eggs and vegetable proteins are used as main ingredients. When fish is used as a raw material, commercially available surimi may be used.

The above raw materials further include, if necessary, proteins such as egg white, gelatin, seafood extract, livestock extract, and vegetable protein; starches such as wheat starch, barley starch, soybean starch, corn starch, potato starch; salt, glutamic acid Sub-ingredients such as seasonings such as soda, pepper, nutmeg, and flavors can be appropriately added.

The above-mentioned main raw material and, if necessary, sub-components are appropriately combined to obtain a raw material for pseudo-shirasu, and an appropriate amount of water is arbitrarily added and crushed and mixed.

The coloring raw material is a carmine dye when obtaining crab flakes, a red dye such as cochineal dye, and particularly when obtaining pseudo shirasu, a caramel dye, a polyphenol dye,
Use black pigment such as squid pigment.

The above raw materials are put into the hopper 11 and mixed in a cylinder 13 equipped with a screw 12 to obtain a mixed raw material. The screw 12 is driven by a motor 14 via a transmission 15. The raw materials are mixed by crushing to increase the adhesive force and become a paste.

Then, the mixed raw material is extruded in a step indicated by reference numeral B in FIG. 1 to form a mixed raw material string. Referring to FIG. 2, an apparatus for performing Step B is shown. The die 21 is connected to the cylinder 13 and the die 2
A plurality of small holes 21a are provided at the tip of 1. The mixed raw material is extruded through the small holes 21a of the die 21 to form the mixed raw material string 22. The size of the small holes 21a is generally about 1 mm to 5 mm, preferably about 3 mm. Also, the shape of the small holes 21a may be circular, elliptical, polygonal, etc.
Of course, various shapes are possible. When the mixed raw material is extruded in the direction of the arrow t, the colored raw material is extruded in the direction of the arrow s from the colored raw material pressure equalizing section 23 on the upper portion of the die 21, thereby forming the layered mixed raw material string 22. Can be obtained (Fig. 5).

The mixed raw material string 22 is then conveyed to a process indicated by reference numeral C in FIG. 1 by a belt conveyor 24 driven by a motor 26. In process C, die 21
The mixed raw material string 22 that is further extruded is cut at a predetermined angle with respect to the conveying direction of the string 22. Also,
In particular, when a pseudo shirasu is obtained, the head and tail of the pseudo shirasu to be manufactured are formed by alternately cutting at different angles to form a shirasu shape.

Referring to FIG. 2, an apparatus for performing step C is shown. The rotary cutter 31 includes a cylindrical roll 32 driven by a motor 34, and a blade 33 spirally provided on the circumferential surface of the roll 34. A partially enlarged view of the roll 32 and the blade 33 is shown in FIG. 4a.
The blades 33 are spirally provided on the outer circumference of the roll 32, but are provided at different angles on the semicircular surface of the roll 32, whereby the blades are cut along a plane perpendicular to the longitudinal axis of the roll 32. Blades 33a and 33a 'having different angles on the virtual circumference are provided. Therefore, when the mixed raw material string 22 is conveyed in the direction of the arrow in FIG. 4a, the mixed raw material string 22 alternates at regular intervals as the roll 32 rotates, as shown in FIG. 3a. It is cut in different directions x and y. When cutting into a shirasu shape, the mixed raw material string 22 has a thickness of 3 mm, a length of 70 mm and one end of 45.
And the other end is preferably cut at about 6 ° (3rd
(Fig. b). Note that these values are obtained by adjusting the mounting angle of the blade, the peripheral speed of the roll 32, the transport speed of the belt conveyor 24, and the like.

The blade 33 is not limited to the shape shown in FIG. 4a, but the outer circumference 1 of the roll 32 shown in FIG. 4b.
Blades 33b, 33b 'at different angles by / 4
Can be provided, and as shown in FIG. 4c,
The blades 33c and 33c 'having different pitches may be spirally provided.

If the blades 33d having the same pitch shown in FIG. 4b are provided in a spiral shape, it is of course possible to cut the mixed raw material string 22 at a constant angle.

Mixed raw material string 22 cut into a predetermined shape in step C
Is then conveyed by the belt conveyor 24 to the step D indicated by reference symbol D in FIG. In step D, the mixed raw material string 22 that has been cut is heated to provide shape retention, and the manufacturing process ends. In the illustrated example, a plurality of infrared heaters 25 are arranged on the belt conveyor 24, and the cut mixed raw material string 22 is heated while being continuously fed, but the heating temperature is the shape retention of the mixed raw material. Is not particularly limited as long as it is a temperature at which
Generally, the temperature is about 30 to 250 ° C. Needless to say, steam or other known heating means can be used as the heating means.

Among the steps shown in this embodiment, the mixed raw material string 22
The step C of cutting into a shirasu shape can be performed under heating in the step D or after the step D.

<Examples> The present invention will be described in more detail with reference to Examples.

Example 1 Alaska pollack surimi (60 kg), salt (1.8 kg), potato starch (4 kg), egg white (10 kg), crab extract (0.6 kg) and water (30 kg) were used as raw materials. First, the pollack (Alaska pollack) surimi was charged into the hopper 11, and the screw 12 was rotated at 180 rpm. Rotate and mix for 3 minutes, then add salt and mix again for 5 minutes, add all the remaining raw materials, mix for 20 minutes, and obtain mixed raw material by step A. It was

Separately, 40 g of carmine pigment and 3 kg of water were added to 10 kg of the adjusted mixed raw material, and the mixture was sufficiently mixed with a silent cutter to obtain a coloring raw material, and the coloring raw material equalizing section 23 was filled in advance.

Next, in step B, the mixed raw material obtained in step A and the colored raw material were extruded from the tip of the die 21 to obtain a mixed raw material string 22 colored in layers. At this time, the supply amount of the mixed raw material was 4 kg / h, the supply amount of the coloring raw material was 1 kg / h, and the shape of the small hole 21a was 1.5 mm × 1.
It was a 5 mm square.

Further, the mixed raw material string 22 extruded in the step B
Was cut with a rotary cutter 31 to a total length of about 3 cm. The rotary cutter 31 is the fourth
Using the type shown in Fig. d, the roll 32 has a diameter of 4 cm,
The height of the blade 33b is 0.5 cm, the inclination angle 11 of the blade 33d with respect to the longitudinal axis of the roll 32, and the blade 33d
The pitch is 3 cm, and the peripheral speed of the roll 32 is 10 cm /
sec, and the conveying speed of the belt conveyor 24 was set to 10 cm / sec.

Next, the cut mixed raw material string 22 was heated with steam at a heating atmosphere temperature of 92 ° C. for 20 seconds in step D to give shape retention, and meat flakes very similar to meat were obtained.

Example 2 Walleye pollack surimi 60 kg, salt 1.8 kg, plant protein 8 kg, egg white 10 kg, clam extract 0.6 kg and water 3
Using 0 kg as a raw material, first, walleye pollack surimi is put into the hopper 11, and the screw 12 is rotated at a rotation speed of 180 r.
Rotate at pm, mix for 3 minutes, add salt and mix again for 5 minutes, add all the remaining raw materials, mix for 20 minutes, and mix the raw materials by step A. Obtained.

Separately, 50 g of caramel pigment and 38 kg of water were added to 10 kg of the mixed raw material that had been adjusted, and the raw materials were sufficiently mixed with a silent cutter to obtain a coloring raw material, and the coloring raw material equalizing section 23 was filled in advance.

Next, in step B, the mixed raw material obtained in step A and the colored raw material were extruded from the tip of the die 21 to obtain a mixed raw material string 22 colored in layers. At this time, the supply amount of the mixed raw material was 4 kg / h, the supply amount of the coloring raw material was 1 kg / h, and the shape of the small hole 21a was an ellipse shape having a diameter of 3 mm and a short diameter of 2 mm.

Further, the mixed raw material string 22 was heated in a gas oven at a heating atmosphere temperature of 120 ° C. for 10 seconds to impart shape retention.

Then, a step C of cutting the shirasu shape having a total length of about 6 cm by the rotary cutter 31 was performed to obtain a pseudo shirasu.
The rotary cutter 31 used is of the type shown in FIG. 4c, and the roll 32 has a diameter of 6.1 cm and a blade 33.
c, 33c 'height 0.5 cm, blade 33c pitch 2.8 cm, blade 33c' pitch 22.4 cm,
The rotation speed of the roll 32 was set to 8 cm / sec, and the conveyance speed of the belt conveyor was set to 8 cm / sec.

Example 3 Walleye pollack surimi 60 kg, salt 1.8 kg, potato starch 4 kg, egg white 10 kg, scallop extract 0.8 kg and water 30 kg
First, using walleye pollack, the walleye pollack surimi is put into the hopper 11, and the screw 12 is rotated at a rotation speed of 180 rpm.
And mix for 3 minutes, then add salt and mix again for 5 minutes, add all the remaining raw materials, mix for 20 minutes, and obtain the mixed raw material by step A. It was

Separately, 50 g of polyphenol dye and 5 kg of water are added to 10 kg of the adjusted mixed raw material, which is sufficiently mixed with a silent cutter to obtain a coloring raw material.
Was pre-filled.

Next, in step B, the mixed raw material obtained in step A and the colored raw material were extruded from the tip of the die 21 to obtain a mixed raw material string 22 colored in layers. At this time, the supply amount of the mixed raw material was 2 kg / h, the supply amount of the coloring raw material was 2 kg / h, and the shape of the small hole 21a was circular with a diameter of 2.2 mm.

Further, the mixed raw material string 22 extruded in the step B
Was subjected to a step C of cutting with a rotary cutter 31 into a shirasu shape having a total length of about 5 cm. The rotary cutter 31 is of the type shown in FIG.
Diameter 4 cm, height of blades 33b, 33b '0.5c
m, pitch of blade 33b 1.8 cm and blade 33
The pitch of b'is 15.7 cm, the peripheral speed of the roll 32 is 12 cm / sec, and the transfer speed of the belt conveyor 24 is 10 cm.
Set to / sec.

Next, when the cut mixed raw material string 22 was heated with steam at a heating atmosphere temperature of 92 ° C. for 20 seconds in step D to give shape retention, a pseudo shirasu very similar to shirasu was obtained.

Example 4 The same raw material as in Example 2 was cut with a silent cutter to obtain a mixed raw material in the same manner.

Next, the mixed raw material was charged into the hopper 11, the screw 12 was rotated at a rotation speed of 120 rpm, and the mixture was extruded into the step B. Separately, to the above-mentioned mixed raw material 10 kg,
50 g of squid dye and 20 kg of water were added, and the mixture was thoroughly mixed with a silent cutter to obtain a coloring raw material.
3 was pre-filled.

Next, in step B, the mixed raw material extruded in step A and the colored raw material were extruded from the tip of the die 21 to obtain a mixed raw material string 22 colored in layers. At this time, the supply amount of the mixed raw material was 8 kg / h, the supply amount of the coloring raw material was 2 kg / h, and the shape of the small hole 21a was a square of 2 mm × 2 mm. Further, a step C of cutting the mixed raw material string 22 extruded in the step B into a shirasu shape having a total length of about 6 cm by the rotary cutter 31 was performed. Use the rotary cutter 31 of the type shown in FIG. 4a,
The diameter of the roll 32 is 7 cm, the height of the blades 33a and 33c 'is 0.5 cm, the pitch of the blade 33a is 1.3 cm, the pitch of the blade 33a' is 12.5 cm, and the peripheral speed of the roll 32 is 24 cm / sec. Transport speed 1
It was set to 2 cm / sec.

Next, when the cut mixed raw material string 22 was heated with steam at a heating atmosphere temperature of 98 ° C. for 15 seconds in step D to impart shape retention, a pseudo shirasu very similar to shirasu was obtained.

Example 5 With respect to the pseudo-shirasu obtained in Examples 2 to 4, a sensory test was performed by three skilled panels according to the following criteria.

Appearance: Similar to natural products ○ Not similar × Not understood △ Texture: Similar to natural products ○ Not similar × Not understood △ Taste: excellent, good, acceptable, not possible .

Comprehensive evaluation: Divided into 4 grades: excellent, good, good, and bad.

The results are summarized in the table below.

<Effect> According to the present invention, a mixed raw material that is deformed and solidified by heating such as fish meat and livestock meat is extruded in a string shape, and the mixed raw material extruded in the string shape is continuously formed into a predetermined shape by using a rotary cutter. Since the cutting is performed by cutting, a large amount of string-shaped food can be produced in a short time.

In addition, as a raw material a food that is denatured and solidified by heating such as fish meat and livestock meat, a string-shaped food is obtained, and the string-shaped food is alternately cut with the rotary cutter at an angle, so that it is almost the same as natural shirasu. It is possible to continuously and efficiently produce a pseudo shirasu which has a great taste and texture and is also very similar in appearance.

[Brief description of drawings]

FIG. 1 is a schematic view showing a manufacturing process and a manufacturing apparatus for a string-shaped food product according to the present invention, and FIG. 2 is a process for extruding a mixed raw material from a small hole at a tip of a die to obtain a mixed raw material string, and then using a rotary cutter. Schematic perspective views showing cutting steps B and C, FIGS. 3a and 3b are plan views showing a mixed raw material string which is continuously cut in a shirasu shape, and FIGS. 4a to 4b are rotary cutters. FIG. 5 is a schematic plan view showing the shape of the blade portion, and FIG. 5 is a sectional view taken along line VV in FIG. 10 ··· string food manufacturing device, 12 · · screw, 13 · · cylinder, 21 · · die, 21a · · small holes, 22 · · mixed raw material string, 31 · · rotary cutter, 32 · · roll, 33 ··blade.

Claims (3)

[Claims] 1. A method for producing a string-shaped food product, comprising: (a) mixing and mixing raw materials containing as a main component food that can be solidified by heating to obtain a mixed raw material; A mixed raw material string is extruded from a die having (c), and (c) each of the mixed raw material strings extruded from the die is cut at an angle of more than 90 ° and less than 180 ° with respect to the conveying direction. A method for producing a string-shaped food product, which comprises a step. 2. An apparatus for producing a string-shaped food product, comprising: raw material mixing means for crushing and mixing raw materials containing as a main component food that can be solidified by heating; and mixed raw materials crushed by the raw material mixing means, A string forming means for extruding from a die having small holes to form a mixed raw material string; and a string cutting means for cutting the mixed raw material string extruded by the string forming means, wherein the string cutting means is a roll, And a blade provided on the roll peripheral surface, the blade having an angle different from each other with respect to a locus on the roll peripheral surface drawn by the roll and the mixed raw material string in contact with each other, An apparatus for producing a string-shaped food product, wherein the blade portions are provided at at least two different locations on the trajectory on the surface. 3. A rotary cutter for producing a string-shaped food product, comprising at least two blade portions having different angles on a peripheral line on the peripheral surface of the roll perpendicular to the longitudinal axis of the roll.