Bunch-shaped quick-frozen strip-shaped food and preparation method thereof

Abstract

The invention belongs to the technical field of food, particularly relates to bunchy quick-frozen strip-shaped food and a preparation method thereof, and provides the following scheme aiming at the problems that the existing bunchy quick-frozen strip-shaped food is single in mouth feel, poor in boiling fastness, weak in soup absorption capacity, limited in nutrition and only capable of being manually purified: the bunchy quick-frozen strip-shaped food is prepared from the following raw materials in parts by weight; comprising 45-50 parts of fish meat, 45-50 parts of acetylated phosphate tapioca starch, 4-7 parts of fructo-oligosaccharide, 0.35-0.45 part of lysophospholipid, 0.15-0.25 part of sodium phytate and 0.40-0.50 part of mixed glue, through scientific proportioning and process innovation, the bundle-shaped fish noodles are fresh, tender, smooth and crisp in the mouth of the fish meat, the elasticity and toughness of chewing the acetylated phosphate tapioca starch are improved by 50%, and the boiling fastness is improved by 50%. The hot pot is not burnt after boiling for minute, the soup absorbing capacity is enhanced, the flavor adsorption rate of soup base is improved by 30%, protein of fish and dietary fiber of cassava starch are reserved, and the nutrition is rich.

Description

Technical Field

[0001] This invention relates to the field of food technology, and in particular to a bundled quick-frozen strip food and its preparation method. Background Technology

[0002] Chinese patent application number 201810144126.4 discloses a method for preparing alum-free sweet potato vermicelli, comprising the following steps: S1, providing edible adhesive thickener, gluten-enhancing starch, phosphate, and sweet potato starch, mixing and stirring the above materials with hot water; S2, steaming the dough obtained in step S1, and cooling it to form a sheet when the dough is completely gelatinized and transparent; S3, freezing the cooled sheet, cutting it into strips to obtain vermicelli of the required thickness, drying the vermicelli, and thus obtaining the alum-free sweet potato vermicelli. This method for preparing alum-free sweet potato vermicelli avoids the addition of alum during the production process, making it healthy and environmentally friendly, beneficial to human health, and preserving the texture of the sweet potato vermicelli.

[0003] However, the preparation method of this alum-free sweet potato vermicelli also has some problems. For example, the texture lacks complexity and is too monotonous. It has poor resistance to boiling and easily becomes mushy after being boiled for a long time. Its ability to absorb soup is limited. It contains only a limited amount of sweet potato, has a low protein content, and is nutritionally unbalanced. Moreover, there is no equipment to purify the starch, so it can only be done manually. Summary of the Invention

[0004] Given the problems of the prior art, such as monotonous taste, poor resistance to cooking, weak soup absorption, limited nutrition, and the need for manual purification, this invention proposes a bundled quick-frozen strip food and its preparation method.

[0005] This invention proposes a bundle-shaped quick-frozen strip food. The raw materials of the bundle-shaped quick-frozen strip food, by weight, include 45 to 50 parts of fish meat, 45 to 50 parts of acetylated phosphate tapioca starch, 4 to 7 parts of oligofructose, 0.35 to 0.45 parts of lysophospholipids, 0.15 to 0.25 parts of sodium phytate, and 0.40 to 0.50 parts of mixed gum. The above raw materials are processed to make the bundle-shaped quick-frozen strip food. The fish meat and acetylated phosphate tapioca starch are pre-treated by purification equipment, which includes a purification chamber. A filter hopper is hinged to the top left side of the purification chamber, and a feed hopper is connected to the top of the filter hopper. A slag discharge pipe is connected to the top left side of the filter hopper, and a hinge rod is hinged to the left side of the bottom of the filter hopper. A transmission box is bolted to the top of the purification chamber, and a liquid pump is bolted to the right side of the top of the transmission box. A water suction pipe is connected to the inlet end of the liquid pump, and a vertical pipe is connected to the left end of the water suction pipe. The surface of the vertical pipe is slidably connected to a sliding hole in the transmission box, and the bottom end of the vertical pipe extends... Inside the purification chamber, a mixing mechanism is rotatably connected, and a flipping mechanism is hinged at the bottom of the hinged rod. A lifting mechanism is rotatably connected to the surface of the vertical tube. Through scientific formulation and technological innovation, bundled fish noodles offer a sensory innovation, resulting in tender, smooth, and crisp fish meat upon entry, and chewy, elastic tapioca starch with acetylated phosphate esters. The cooking resistance is increased by 50%, allowing the noodles to remain mushy even after boiling for minutes in hot pot. The soup absorption capacity is enhanced, and the soup flavor absorption rate is increased by 30%. The noodles retain the protein of the fish and the dietary fiber of the tapioca starch, making them highly nutritious and suitable for purification using the equipment.

[0006] Preferably, the raw materials of the mixed gum include carrageenan, saffron gum, magnesium sulfate, and zinc chloride, which can increase the self-locking ability of the two starches.

[0007] Preferably, the flipping mechanism includes a geared motor, a driving wheel, a transmission belt, and a driven wheel. The output end of the geared motor is keyed to the shaft of the driving wheel. The interior of the driving wheel is driven to the bottom end of the transmission belt. The transmission belt is driven to the driven wheel. The top end of the surface of the driven wheel is hinged to the bottom end of the hinge rod. The power supply to the geared motor is turned on. The geared motor is controlled by a controller. The geared motor can drive the driving wheel to rotate. The driving wheel can drive the transmission belt to rotate. The transmission belt can drive the driven wheel to rotate. The driven wheel and the hinge rod have an eccentric structure. The rotation of the driven wheel can drive the hinge rod to move downward.

[0008] Preferably, the surface of the geared motor is bolted to the left side of the purification box, and a bracket is rotatably connected to the shaft center on the rear side of the driven wheel. The right side of the bracket is bolted to the left side of the purification box. The geared motor is fixed by the purification box to ensure the stability of the geared motor operation. The driven wheel is rotatably set to the bracket through a bearing.

[0009] Preferably, the mixing mechanism includes a power motor, a rotating shaft, and a mixing frame. The surface of the power motor is bolted to the right side of the purification box. Both ends of the rotating shaft are rotatably sleeved to the inner side of the purification box. The rotating shaft is bolted to the mixing frame. The power motor is powered on and controlled by a controller. The power motor is fixed to the purification box. The power motor can drive the rotating shaft to rotate. The rotating shaft is rotatably set with the purification box through bearings to ensure the smoothness of the rotating shaft's rotation. The rotating shaft can drive the left end of the mixing frame, and the mixing frame can mix the materials inside the purification box.

[0010] Preferably, the lifting mechanism includes an electric push cylinder, a transmission rod, a slide rod, and a sliding sleeve. The surface of the electric push cylinder is bolted to the bottom of the transmission box. The output end of the electric push cylinder is hinged to the bottom of the transmission rod. The top of the transmission rod is hinged to the surface of the slide rod. The right end of the slide rod is hinged to the right side of the transmission box. The left end of the slide rod is slidably connected to the inside of the sliding sleeve. The surface of the sliding sleeve is hinged to the surface of the vertical pipe. The electric push cylinder is powered on and controlled by a controller. The electric push cylinder can drive the transmission rod to move downward, and the transmission rod can drive the slide rod to move downward. The slide rod is rotatably set with the transmission box through a bearing. The slide rod slides inside the sliding sleeve and drives the sliding sleeve to move downward. The sliding sleeve can drive the vertical pipe to insert the supernatant downward.

[0011] Preferably, a filter screen is snapped into the bottom of the filter hopper, the filter hopper is located at the opening on the top left side of the purification box, and the left side of the feed hopper has an inclined structure, so that the filter screen can play a filtering role.

[0012] A method for preparing bundled quick-frozen strip food includes the following steps: S1: Weigh out the fish meat, acetylated phosphate tapioca starch, fructooligosaccharides, lysophospholipids, sodium phytate and mixed gum according to the proportions. Mix the mixed gum with warm water and stir to make a gel solution. S2: Obtain fish meat and acetylated phosphate tapioca starch, add water and mix, pour into the inside of the feed hopper, large particles in the mixture are separated, and the acetylated phosphate tapioca starch, fish meat and water are mixed by the mixing mechanism. After mixing, the filtrate is allowed to stand and settle for seven hours, the vertical tube is moved down, the supernatant is extracted, and water is added and stirred and settled repeatedly to improve the starch purity and obtain mixed powder. S3: Pour the mixed powder and oligofructose into the mixer and mix at low speed until well combined. Then add lysophospholipids, sodium phytate, glue solution and warm water, and continue mixing to form a flocculent dough. S4: The flocculent dough is processed using a dough mixer. The dough is then removed and mixed in slightly acidic boiling water to homogenize and gelatinize, resulting in a gelatinized slurry. S5: The gelatinized slurry is formed through a composite strainer, undergoes triple freezing and shaping, gradient temperature drying, and bundle formation to obtain bundled quick-frozen strip food.

[0013] Preferably, in step S4, synergistic gelatinization is employed. In the first stage, the acetylated phosphate tapioca starch is pregelatinized by holding at 60°C for 10 minutes. In the second stage, the temperature is rapidly increased to 95°C for complete gelatinization. Finally, vacuum degassing is initiated, and air is pumped out at -0.08 MPa to eliminate air bubbles and ensure gelatinization effect.

[0014] Preferably, in step S5, the composite strainer is designed with an elliptical hole with a diameter of 1.2 to 1.5 mm to facilitate the formation of fish noodles.

[0015] The beneficial effects of this invention are: Through scientific formulation and technological innovation, the bundled fish noodles offer a sensory innovation, with the tender and crisp texture of the fish meat upon entry, the elasticity of the acetylated phosphate tapioca starch upon chewing, and a 50% increase in cooking resistance, allowing them to remain mushy even after 15 minutes of boiling in a hot pot. They also enhance soup absorption, increasing the absorption rate of soup base flavor by 30%, while retaining the dietary fiber of the fish protein and tapioca starch, making them highly nutritious.

[0016] This invention changes the traditional method of purification that can only be done manually. It uses equipment to purify fish meat and acetylated phosphate tapioca starch, which improves purification efficiency and reduces labor costs and labor intensity.

[0017] Effective filtration of impurities: The filter screen snapped into the bottom of the filter hopper can separate large particles in the mixture, ensuring the purity of raw materials for subsequent processing and reducing the impact of impurities on the quality of the final product.

[0018] Improved mixing uniformity: The mixing mechanism inside the purification chamber, including the motor, shaft, and mixing rack, can fully mix acetylated phosphate tapioca starch, fish meat, and water, ensuring uniform mixing of raw materials and providing a stable mixture for subsequent processing.

[0019] Precise separation of supernatant: The lifting mechanism's electric cylinder, transmission rod, slide rod, and sliding sleeve can drive the vertical pipe to move precisely downwards and extract the supernatant. Furthermore, by repeatedly adding water, stirring, and settling, the starch purity can be further improved to obtain high-quality mixed powder.

[0020] Easy to clean impurities: The tilting mechanism, with its geared motor, drive wheel, transmission belt, and driven wheel, can tilt the filter bucket, allowing large particles to be poured out through the slag discharge pipe. This facilitates the cleaning of filtered impurities and ensures the continuous and stable operation of the equipment. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure proposed in this invention; Figure 2 This is a schematic diagram of the internal structure of the filter bucket proposed in this invention; Figure 3 This is a schematic diagram of the internal structure of the transmission box proposed in this invention; Figure 4 This is a three-dimensional schematic diagram of the slide bar proposed in this invention; Figure 5 This is a flowchart illustrating the workflow proposed in this invention.

[0022] In the diagram: 1. Purification box; 2. Filter hopper; 3. Feed hopper; 4. Slag discharge pipe; 5. Transmission box; 6. Liquid pump; 7. Water pumping pipe; 8. Vertical pipe; 9. Gear motor; 10. Drive wheel; 11. Transmission belt; 12. Driven wheel; 13. Hinge rod; 14. Power motor; 15. Rotating shaft; 16. Mixing frame; 17. Electric pusher cylinder; 18. Transmission rod; 19. Slide rod; 20. Sliding sleeve; 21. Filter screen. Detailed Implementation

[0023] The present invention will be further explained below with reference to specific embodiments.

[0024] Reference Figure 1-5 Example 1 This embodiment proposes a bundled quick-frozen strip food. The raw materials of the bundled quick-frozen strip food, by weight, include 45 to 50 parts of fish meat, 45 parts of acetylated phosphate tapioca starch, 6 parts of oligofructose, 0.37 parts of lysophospholipids, 0.18 parts of sodium phytate, and 0.45 parts of mixed gum. The raw materials of the mixed gum include carrageenan, prickly pear gum, magnesium sulfate, and zinc chloride. Fish meat and acetylated phosphate tapioca starch are pre-treated by purification equipment, which includes a purification chamber 1. A filter hopper 2 is hinged to the top left side of the purification chamber 1. A feed hopper 3 is connected to the top of the filter hopper 2. A slag discharge pipe 4 is connected to the top left side of the filter hopper 2. A hinge rod 13 is hinged to the left side of the bottom of the filter hopper 2. A transmission box 5 is bolted to the top of the purification chamber 1. A liquid pump 6 is bolted to the right side of the top of the transmission box 5. A water pump 7 is connected to the inlet end of the liquid pump 6. A vertical pipe 8 is connected to the left end of the water pump 7. The surface of the vertical pipe 8 is slidably connected to the sliding hole of the transmission box 5. The bottom end of the vertical pipe 8 extends into the interior of the purification chamber 1. A mixing mechanism is rotatably connected inside the purification chamber 1. A tilting mechanism is hinged to the bottom end of the hinge rod 13. A lifting mechanism is rotatably connected to the surface of the vertical pipe 8. The lowering and tilting mechanism includes a geared motor 9, a drive wheel 10, a transmission belt 11, and a driven wheel 12. The output end of the geared motor 9 is keyed to the shaft of the drive wheel 10. The interior of the drive wheel 10 is connected to the bottom end of the transmission belt 11. The transmission belt 11 is connected to the driven wheel 12. The top end of the surface of the driven wheel 12 is hinged to the bottom end of the hinge rod 13. The surface of the geared motor 9 is bolted to the left side of the purification box 1. A bracket is rotatably connected to the shaft at the rear side of the driven wheel 12. The right side of the bracket is bolted to the left side of the purification box 1. The geared motor 9 is fixed by the purification box 1 to ensure the stability of its operation. The driven wheel 12 is rotatably set to the bracket via bearings. The mixing mechanism includes a power motor 14, a rotating shaft 15, and a mixing frame 16. The power motor 14... The surface of shaft 4 is bolted to the right side of the purification box 1. Both ends of shaft 15 are rotatably sleeved to the inner side of the purification box 1. Shaft 15 is bolted to mixing frame 16. Power is supplied to motor 14, which is controlled by controller. Motor 14 is fixed to purification box 1. Motor 14 can drive shaft 15 to rotate. Shaft 15 is rotatably set to the purification box 1 through bearings to ensure the smooth rotation of shaft 15. Shaft 15 can drive the left end of mixing frame, which can mix the materials inside purification box 1. Lifting mechanism includes electric push cylinder 17, transmission rod 18, slide rod 19 and sliding sleeve 20. The surface of electric push cylinder 17 is bolted to the bottom end of the transmission box 5. The output end of electric push cylinder 17 is hinged to the bottom end of transmission rod 18. The top of the moving rod 18 is hinged to the surface of the sliding rod 19. The right end of the sliding rod 19 is hinged to the right side of the inside of the transmission box 5. The left end of the surface of the sliding rod 19 is slidably connected to the inside of the sliding sleeve 20. The surface of the sliding sleeve 20 is hinged to the surface of the vertical tube 8. The power supply to the electric push cylinder 17 is turned on. The electric push cylinder 17 is controlled by a controller. The electric push cylinder 17 can drive the transmission rod 18 to move downward. The transmission rod 18 can drive the sliding rod 19 to move downward. The sliding rod 19 is rotatably set with the transmission box 5 through a bearing. The sliding rod 19 slides inside the sliding sleeve 20 and drives the sliding sleeve 20 to move downward. The sliding sleeve 20 can drive the vertical tube 8 to insert the supernatant downward. The bottom of the filter hopper 2 is fitted with a filter screen 21. The filter hopper 2 is located at the opening on the top left side of the purification box 1. The left side of the feed hopper 3 has an inclined structure.Filter 21 can achieve a filtering effect.

[0025] A method for preparing bundled quick-frozen strip food includes the following steps: S1: Weigh out the fish meat, acetylated phosphate tapioca starch, fructooligosaccharides, lysophospholipids, sodium phytate and mixed gum according to the proportions. Mix the mixed gum with warm water and stir to make a gel solution. S2: Obtain fish meat and acetylated phosphate tapioca starch, mix with water, and pour into the inside of feed hopper 3. Large particles in the mixture are separated. The acetylated phosphate tapioca starch, fish meat and water are mixed by the mixing mechanism. After mixing, the filtrate is allowed to stand and settle for seven hours. The vertical tube 8 is moved down and the supernatant is extracted. Water is added and stirred repeatedly to settle and improve the starch purity, thus obtaining mixed powder. S3: Pour the mixed powder and oligofructose into the mixer and mix at low speed until well combined. Then add lysophospholipids, sodium phytate, glue solution and warm water, and continue mixing to form a flocculent dough. S4: The flocculent dough is processed using a dough mixer. The dough is then removed and mixed in slightly acidic boiling water to homogenize and gelatinize, resulting in a gelatinized slurry. Co-gelatinization is employed. In the first stage, the dough is kept at 60°C for 10 minutes to pregelatinize the acetylated phosphate tapioca starch. In the second stage, the temperature is rapidly increased to 95°C for complete gelatinization. Finally, vacuum degassing is initiated, and air is extracted at -0.08MPa to eliminate air bubbles. S5: The gelatinized slurry is formed through a composite strainer, undergoes triple freezing and shaping, gradient temperature drying, and bundle formation to obtain bundled quick-frozen strip food. The composite strainer is designed with elliptical holes with a diameter of 1.2 mm.

[0026] Reference Figure 1-5 Example 2 This embodiment proposes a bundled quick-frozen strip food. The raw materials of the bundled quick-frozen strip food, by weight, include 46 parts of fish meat, 46 parts of acetylated phosphate tapioca starch, 7 parts of oligofructose, 0.37 parts of lysophospholipids, 0.17 parts of sodium phytate, and 0.46 parts of mixed gum. The raw materials of the mixed gum include carrageenan, prickly pear gum, magnesium sulfate, and zinc chloride. Fish meat and acetylated phosphate tapioca starch are pre-treated by purification equipment, which includes a purification chamber 1. A filter hopper 2 is hinged to the top left side of the purification chamber 1. A feed hopper 3 is connected to the top of the filter hopper 2. A slag discharge pipe 4 is connected to the top left side of the filter hopper 2. A hinge rod 13 is hinged to the left side of the bottom of the filter hopper 2. A transmission box 5 is bolted to the top of the purification chamber 1. A liquid pump 6 is bolted to the right side of the top of the transmission box 5. A water pump 7 is connected to the inlet end of the liquid pump 6. A vertical pipe 8 is connected to the left end of the water pump 7. The surface of the vertical pipe 8 is slidably connected to the sliding hole of the transmission box 5. The bottom end of the vertical pipe 8 extends into the interior of the purification chamber 1. A mixing mechanism is rotatably connected inside the purification chamber 1. A tilting mechanism is hinged to the bottom end of the hinge rod 13. A lifting mechanism is rotatably connected to the surface of the vertical pipe 8. The lowering and tilting mechanism includes a geared motor 9, a drive wheel 10, a transmission belt 11, and a driven wheel 12. The output end of the geared motor 9 is keyed to the shaft of the drive wheel 10. The interior of the drive wheel 10 is connected to the bottom end of the transmission belt 11. The transmission belt 11 is connected to the driven wheel 12. The top end of the surface of the driven wheel 12 is hinged to the bottom end of the hinge rod 13. The surface of the geared motor 9 is bolted to the left side of the purification box 1. A bracket is rotatably connected to the shaft at the rear side of the driven wheel 12. The right side of the bracket is bolted to the left side of the purification box 1. The geared motor 9 is fixed by the purification box 1 to ensure the stability of its operation. The driven wheel 12 is rotatably set to the bracket via bearings. The mixing mechanism includes a power motor 14, a rotating shaft 15, and a mixing frame 16. The power motor 14... The surface of shaft 4 is bolted to the right side of the purification box 1. Both ends of shaft 15 are rotatably sleeved to the inner side of the purification box 1. Shaft 15 is bolted to mixing frame 16. Power is supplied to motor 14, which is controlled by controller. Motor 14 is fixed to purification box 1. Motor 14 can drive shaft 15 to rotate. Shaft 15 is rotatably set to the purification box 1 through bearings to ensure the smooth rotation of shaft 15. Shaft 15 can drive the left end of mixing frame, which can mix the materials inside purification box 1. Lifting mechanism includes electric push cylinder 17, transmission rod 18, slide rod 19 and sliding sleeve 20. The surface of electric push cylinder 17 is bolted to the bottom end of the transmission box 5. The output end of electric push cylinder 17 is hinged to the bottom end of transmission rod 18. The top of the moving rod 18 is hinged to the surface of the sliding rod 19. The right end of the sliding rod 19 is hinged to the right side of the inside of the transmission box 5. The left end of the surface of the sliding rod 19 is slidably connected to the inside of the sliding sleeve 20. The surface of the sliding sleeve 20 is hinged to the surface of the vertical tube 8. The power supply to the electric push cylinder 17 is turned on. The electric push cylinder 17 is controlled by a controller. The electric push cylinder 17 can drive the transmission rod 18 to move downward. The transmission rod 18 can drive the sliding rod 19 to move downward. The sliding rod 19 is rotatably set with the transmission box 5 through a bearing. The sliding rod 19 slides inside the sliding sleeve 20 and drives the sliding sleeve 20 to move downward. The sliding sleeve 20 can drive the vertical tube 8 to insert the supernatant downward. The bottom of the filter hopper 2 is fitted with a filter screen 21. The filter hopper 2 is located at the opening on the top left side of the purification box 1. The left side of the feed hopper 3 has an inclined structure.Filter 21 can achieve a filtering effect.

[0027] A method for preparing bundled quick-frozen strip food includes the following steps: S1: Weigh out the fish meat, acetylated phosphate tapioca starch, fructooligosaccharides, lysophospholipids, sodium phytate and mixed gum according to the proportions. Mix the mixed gum with warm water and stir to make a gel solution. S2: Obtain fish meat and acetylated phosphate tapioca starch, mix with water, and pour into the inside of feed hopper 3. Large particles in the mixture are separated. The acetylated phosphate tapioca starch, fish meat and water are mixed by the mixing mechanism. After mixing, the filtrate is allowed to stand and settle for seven hours. The vertical tube 8 is moved down and the supernatant is extracted. Water is added and stirred repeatedly to settle and improve the starch purity, thus obtaining mixed powder. S3: Pour the mixed powder and oligofructose into the mixer and mix at low speed until well combined. Then add lysophospholipids, sodium phytate, glue solution and warm water, and continue mixing to form a flocculent dough. S4: The flocculent dough is processed using a dough mixer. The dough is then removed and mixed in slightly acidic boiling water to homogenize and gelatinize, resulting in a gelatinized slurry. Co-gelatinization is employed. In the first stage, the dough is kept at 60°C for 10 minutes to pregelatinize the acetylated phosphate tapioca starch. In the second stage, the temperature is rapidly increased to 95°C for complete gelatinization. Finally, vacuum degassing is initiated, and air is extracted at -0.08MPa to eliminate air bubbles. S5: The gelatinized slurry is formed through a composite strainer, undergoes triple freezing and shaping, gradient temperature drying, and bundle formation to obtain bundled quick-frozen strip food. The composite strainer is designed with elliptical holes with a diameter of 1.2 mm.

[0028] Reference Figure 1-5 Example 3 This embodiment proposes a bundled quick-frozen strip food. The raw materials of the bundled quick-frozen strip food, by weight, include 46 parts of fish meat, 47 parts of acetylated phosphate tapioca starch, 6 parts of oligofructose, 0.37 parts of lysophospholipids, 0.18 parts of sodium phytate, and 0.45 parts of mixed gum. The raw materials of the mixed gum include carrageenan, arugula gum, magnesium sulfate, and zinc chloride. Fish meat and acetylated phosphate tapioca starch are pre-treated by purification equipment, which includes a purification chamber 1. A filter hopper 2 is hinged to the top left side of the purification chamber 1. A feed hopper 3 is connected to the top of the filter hopper 2. A slag discharge pipe 4 is connected to the top left side of the filter hopper 2. A hinge rod 13 is hinged to the left side of the bottom of the filter hopper 2. A transmission box 5 is bolted to the top of the purification chamber 1. A liquid pump 6 is bolted to the right side of the top of the transmission box 5. A water pump 7 is connected to the inlet end of the liquid pump 6. A vertical pipe 8 is connected to the left end of the water pump 7. The surface of the vertical pipe 8 is slidably connected to the sliding hole of the transmission box 5. The bottom end of the vertical pipe 8 extends into the interior of the purification chamber 1. A mixing mechanism is rotatably connected inside the purification chamber 1. A tilting mechanism is hinged to the bottom end of the hinge rod 13. A lifting mechanism is rotatably connected to the surface of the vertical pipe 8. The lowering and tilting mechanism includes a geared motor 9, a drive wheel 10, a transmission belt 11, and a driven wheel 12. The output end of the geared motor 9 is keyed to the shaft of the drive wheel 10. The interior of the drive wheel 10 is connected to the bottom end of the transmission belt 11. The transmission belt 11 is connected to the driven wheel 12. The top end of the surface of the driven wheel 12 is hinged to the bottom end of the hinge rod 13. The surface of the geared motor 9 is bolted to the left side of the purification box 1. A bracket is rotatably connected to the shaft at the rear side of the driven wheel 12. The right side of the bracket is bolted to the left side of the purification box 1. The geared motor 9 is fixed by the purification box 1 to ensure the stability of its operation. The driven wheel 12 is rotatably set to the bracket via bearings. The mixing mechanism includes a power motor 14, a rotating shaft 15, and a mixing frame 16. The power motor 14... The surface of shaft 4 is bolted to the right side of the purification box 1. Both ends of shaft 15 are rotatably sleeved to the inner side of the purification box 1. Shaft 15 is bolted to mixing frame 16. Power is supplied to motor 14, which is controlled by controller. Motor 14 is fixed to purification box 1. Motor 14 can drive shaft 15 to rotate. Shaft 15 is rotatably set to the purification box 1 through bearings to ensure the smooth rotation of shaft 15. Shaft 15 can drive the left end of mixing frame, which can mix the materials inside purification box 1. Lifting mechanism includes electric push cylinder 17, transmission rod 18, slide rod 19 and sliding sleeve 20. The surface of electric push cylinder 17 is bolted to the bottom end of the transmission box 5. The output end of electric push cylinder 17 is hinged to the bottom end of transmission rod 18. The top of the moving rod 18 is hinged to the surface of the sliding rod 19. The right end of the sliding rod 19 is hinged to the right side of the inside of the transmission box 5. The left end of the surface of the sliding rod 19 is slidably connected to the inside of the sliding sleeve 20. The surface of the sliding sleeve 20 is hinged to the surface of the vertical tube 8. The power supply to the electric push cylinder 17 is turned on. The electric push cylinder 17 is controlled by a controller. The electric push cylinder 17 can drive the transmission rod 18 to move downward. The transmission rod 18 can drive the sliding rod 19 to move downward. The sliding rod 19 is rotatably set with the transmission box 5 through a bearing. The sliding rod 19 slides inside the sliding sleeve 20 and drives the sliding sleeve 20 to move downward. The sliding sleeve 20 can drive the vertical tube 8 to insert the supernatant downward. The bottom of the filter hopper 2 is fitted with a filter screen 21. The filter hopper 2 is located at the opening on the top left side of the purification box 1. The left side of the feed hopper 3 has an inclined structure.Filter 21 can achieve a filtering effect.

[0029] A method for preparing bundled quick-frozen strip food includes the following steps: S1: Weigh out the fish meat, acetylated phosphate tapioca starch, fructooligosaccharides, lysophospholipids, sodium phytate and mixed gum according to the proportions. Mix the mixed gum with warm water and stir to make a gel solution. S2: Obtain fish meat and acetylated phosphate tapioca starch, mix with water, and pour into the inside of feed hopper 3. Large particles in the mixture are separated. The acetylated phosphate tapioca starch, fish meat and water are mixed by the mixing mechanism. After mixing, the filtrate is allowed to stand and settle for seven hours. The vertical tube 8 is moved down and the supernatant is extracted. Water is added and stirred repeatedly to settle and improve the starch purity, thus obtaining mixed powder. S3: Pour the mixed powder and oligofructose into the mixer and mix at low speed until well combined. Then add lysophospholipids, sodium phytate, glue solution and warm water, and continue mixing to form a flocculent dough. S4: The flocculent dough is processed using a dough mixer. The dough is then removed and mixed in slightly acidic boiling water to homogenize and gelatinize, resulting in a gelatinized slurry. Co-gelatinization is employed. In the first stage, the dough is kept at 60°C for 10 minutes to pregelatinize the acetylated phosphate tapioca starch. In the second stage, the temperature is rapidly increased to 95°C for complete gelatinization. Finally, vacuum degassing is initiated, and air is extracted at -0.08MPa to eliminate air bubbles. S5: The gelatinized slurry is formed through a composite strainer, undergoes triple freezing and shaping, gradient temperature drying, and bundle formation to obtain bundled quick-frozen strip food. The composite strainer is designed with elliptical holes with a diameter of 1.2 mm.

[0030] Reference Figure 1-5 Example 4 This embodiment proposes a bundled quick-frozen strip food. The raw materials of the bundled quick-frozen strip food, by weight, include 47 parts fish meat, 47 parts acetylated phosphate tapioca starch, 5 parts fructooligosaccharides, 0.36 parts lysophospholipids, 0.16 parts sodium phytate, and 0.48 parts mixed gum. The raw materials of the mixed gum include carrageenan, safflower gum, magnesium sulfate, and zinc chloride. Fish meat and acetylated phosphate tapioca starch are pre-treated by purification equipment, which includes a purification chamber 1. A filter hopper 2 is hinged to the top left side of the purification chamber 1. A feed hopper 3 is connected to the top of the filter hopper 2. A slag discharge pipe 4 is connected to the top left side of the filter hopper 2. A hinge rod 13 is hinged to the left side of the bottom of the filter hopper 2. A transmission box 5 is bolted to the top of the purification chamber 1. A liquid pump 6 is bolted to the right side of the top of the transmission box 5. A water pump 7 is connected to the inlet end of the liquid pump 6. A vertical pipe 8 is connected to the left end of the water pump 7. The surface of the vertical pipe 8 is slidably connected to the sliding hole of the transmission box 5. The bottom end of the vertical pipe 8 extends into the interior of the purification chamber 1. A mixing mechanism is rotatably connected inside the purification chamber 1. A tilting mechanism is hinged to the bottom end of the hinge rod 13. A lifting mechanism is rotatably connected to the surface of the vertical pipe 8. The lowering and tilting mechanism includes a geared motor 9, a drive wheel 10, a transmission belt 11, and a driven wheel 12. The output end of the geared motor 9 is keyed to the shaft of the drive wheel 10. The interior of the drive wheel 10 is connected to the bottom end of the transmission belt 11. The transmission belt 11 is connected to the driven wheel 12. The top end of the surface of the driven wheel 12 is hinged to the bottom end of the hinge rod 13. The surface of the geared motor 9 is bolted to the left side of the purification box 1. A bracket is rotatably connected to the shaft at the rear side of the driven wheel 12. The right side of the bracket is bolted to the left side of the purification box 1. The geared motor 9 is fixed by the purification box 1 to ensure the stability of its operation. The driven wheel 12 is rotatably set to the bracket via bearings. The mixing mechanism includes a power motor 14, a rotating shaft 15, and a mixing frame 16. The power motor 14... The surface of shaft 4 is bolted to the right side of the purification box 1. Both ends of shaft 15 are rotatably sleeved to the inner side of the purification box 1. Shaft 15 is bolted to mixing frame 16. Power is supplied to motor 14, which is controlled by controller. Motor 14 is fixed to purification box 1. Motor 14 can drive shaft 15 to rotate. Shaft 15 is rotatably set to the purification box 1 through bearings to ensure the smooth rotation of shaft 15. Shaft 15 can drive the left end of mixing frame, which can mix the materials inside purification box 1. Lifting mechanism includes electric push cylinder 17, transmission rod 18, slide rod 19 and sliding sleeve 20. The surface of electric push cylinder 17 is bolted to the bottom end of the transmission box 5. The output end of electric push cylinder 17 is hinged to the bottom end of transmission rod 18. The top of the moving rod 18 is hinged to the surface of the sliding rod 19. The right end of the sliding rod 19 is hinged to the right side of the inside of the transmission box 5. The left end of the surface of the sliding rod 19 is slidably connected to the inside of the sliding sleeve 20. The surface of the sliding sleeve 20 is hinged to the surface of the vertical tube 8. The power supply to the electric push cylinder 17 is turned on. The electric push cylinder 17 is controlled by a controller. The electric push cylinder 17 can drive the transmission rod 18 to move downward. The transmission rod 18 can drive the sliding rod 19 to move downward. The sliding rod 19 is rotatably set with the transmission box 5 through a bearing. The sliding rod 19 slides inside the sliding sleeve 20 and drives the sliding sleeve 20 to move downward. The sliding sleeve 20 can drive the vertical tube 8 to insert the supernatant downward. The bottom of the filter hopper 2 is fitted with a filter screen 21. The filter hopper 2 is located at the opening on the top left side of the purification box 1. The left side of the feed hopper 3 has an inclined structure.Filter 21 can achieve a filtering effect.

[0031] A method for preparing bundled quick-frozen strip food includes the following steps: S1: Weigh out the fish meat, acetylated phosphate tapioca starch, fructooligosaccharides, lysophospholipids, sodium phytate and mixed gum according to the proportions. Mix the mixed gum with warm water and stir to make a gel solution. S2: Obtain fish meat and acetylated phosphate tapioca starch, mix with water, and pour into the inside of feed hopper 3. Large particles in the mixture are separated. The acetylated phosphate tapioca starch, fish meat and water are mixed by the mixing mechanism. After mixing, the filtrate is allowed to stand and settle for seven hours. The vertical tube 8 is moved down and the supernatant is extracted. Water is added and stirred repeatedly to settle and improve the starch purity, thus obtaining mixed powder. S3: Pour the mixed powder and oligofructose into the mixer and mix at low speed until well combined. Then add lysophospholipids, sodium phytate, glue solution and warm water, and continue mixing to form a flocculent dough. S4: The flocculent dough is processed using a dough mixer. The dough is then removed and mixed in slightly acidic boiling water to homogenize and gelatinize, resulting in a gelatinized slurry. Co-gelatinization is employed. In the first stage, the dough is kept at 60°C for 10 minutes to pregelatinize the acetylated phosphate tapioca starch. In the second stage, the temperature is rapidly increased to 95°C for complete gelatinization. Finally, vacuum degassing is initiated, and air is extracted at -0.08MPa to eliminate air bubbles. S5: The gelatinized slurry is formed through a composite strainer, undergoes triple freezing and shaping, gradient temperature drying, and bundle formation to obtain bundled quick-frozen strip food. The composite strainer is designed with elliptical holes with a diameter of 1.2 mm.

[0032] Reference Figure 1-5 Example 5 This embodiment proposes a bundled quick-frozen strip food. The raw materials of the bundled quick-frozen strip food, by weight, include 47 parts fish meat, 48 parts acetylated phosphate tapioca starch, 4 parts fructooligosaccharides, 0.35 parts lysophospholipids, 0.15 parts sodium phytate, and 0.50 parts mixed gum. The raw materials of the mixed gum include carrageenan, safflower gum, magnesium sulfate, and zinc chloride. Fish meat and acetylated phosphate tapioca starch are pre-treated by purification equipment, which includes a purification chamber 1. A filter hopper 2 is hinged to the top left side of the purification chamber 1. A feed hopper 3 is connected to the top of the filter hopper 2. A slag discharge pipe 4 is connected to the top left side of the filter hopper 2. A hinge rod 13 is hinged to the left side of the bottom of the filter hopper 2. A transmission box 5 is bolted to the top of the purification chamber 1. A liquid pump 6 is bolted to the right side of the top of the transmission box 5. A water pump 7 is connected to the inlet end of the liquid pump 6. A vertical pipe 8 is connected to the left end of the water pump 7. The surface of the vertical pipe 8 is slidably connected to the sliding hole of the transmission box 5. The bottom end of the vertical pipe 8 extends into the interior of the purification chamber 1. A mixing mechanism is rotatably connected inside the purification chamber 1. A tilting mechanism is hinged to the bottom end of the hinge rod 13. A lifting mechanism is rotatably connected to the surface of the vertical pipe 8. The lowering and tilting mechanism includes a geared motor 9, a drive wheel 10, a transmission belt 11, and a driven wheel 12. The output end of the geared motor 9 is keyed to the shaft of the drive wheel 10. The interior of the drive wheel 10 is connected to the bottom end of the transmission belt 11. The transmission belt 11 is connected to the driven wheel 12. The top end of the surface of the driven wheel 12 is hinged to the bottom end of the hinge rod 13. The surface of the geared motor 9 is bolted to the left side of the purification box 1. A bracket is rotatably connected to the shaft at the rear side of the driven wheel 12. The right side of the bracket is bolted to the left side of the purification box 1. The geared motor 9 is fixed by the purification box 1 to ensure the stability of its operation. The driven wheel 12 is rotatably set to the bracket via bearings. The mixing mechanism includes a power motor 14, a rotating shaft 15, and a mixing frame 16. The power motor 14... The surface of shaft 4 is bolted to the right side of the purification box 1. Both ends of shaft 15 are rotatably sleeved to the inner side of the purification box 1. Shaft 15 is bolted to mixing frame 16. Power is supplied to motor 14, which is controlled by controller. Motor 14 is fixed to purification box 1. Motor 14 can drive shaft 15 to rotate. Shaft 15 is rotatably set to the purification box 1 through bearings to ensure the smooth rotation of shaft 15. Shaft 15 can drive the left end of mixing frame, which can mix the materials inside purification box 1. Lifting mechanism includes electric push cylinder 17, transmission rod 18, slide rod 19 and sliding sleeve 20. The surface of electric push cylinder 17 is bolted to the bottom end of the transmission box 5. The output end of electric push cylinder 17 is hinged to the bottom end of transmission rod 18. The top of the moving rod 18 is hinged to the surface of the sliding rod 19. The right end of the sliding rod 19 is hinged to the right side of the inside of the transmission box 5. The left end of the surface of the sliding rod 19 is slidably connected to the inside of the sliding sleeve 20. The surface of the sliding sleeve 20 is hinged to the surface of the vertical tube 8. The power supply to the electric push cylinder 17 is turned on. The electric push cylinder 17 is controlled by a controller. The electric push cylinder 17 can drive the transmission rod 18 to move downward. The transmission rod 18 can drive the sliding rod 19 to move downward. The sliding rod 19 is rotatably set with the transmission box 5 through a bearing. The sliding rod 19 slides inside the sliding sleeve 20 and drives the sliding sleeve 20 to move downward. The sliding sleeve 20 can drive the vertical tube 8 to insert the supernatant downward. The bottom of the filter hopper 2 is fitted with a filter screen 21. The filter hopper 2 is located at the opening on the top left side of the purification box 1. The left side of the feed hopper 3 has an inclined structure.Filter 21 can achieve a filtering effect.

[0033] A method for preparing bundled quick-frozen strip food includes the following steps: S1: Weigh out the fish meat, acetylated phosphate tapioca starch, fructooligosaccharides, lysophospholipids, sodium phytate and mixed gum according to the proportions. Mix the mixed gum with warm water and stir to make a gel solution. S2: Obtain fish meat and acetylated phosphate tapioca starch, mix with water, and pour into the inside of feed hopper 3. Large particles in the mixture are separated. The acetylated phosphate tapioca starch, fish meat and water are mixed by the mixing mechanism. After mixing, the filtrate is allowed to stand and settle for seven hours. The vertical tube 8 is moved down and the supernatant is extracted. Water is added and stirred repeatedly to settle and improve the starch purity, thus obtaining mixed powder. S3: Pour the mixed powder and oligofructose into the mixer and mix at low speed until well combined. Then add lysophospholipids, sodium phytate, glue solution and warm water, and continue mixing to form a flocculent dough. S4: The flocculent dough is processed using a dough mixer. The dough is then removed and mixed in slightly acidic boiling water to homogenize and gelatinize, resulting in a gelatinized slurry. Co-gelatinization is employed. In the first stage, the dough is kept at 60°C for 10 minutes to pregelatinize the acetylated phosphate tapioca starch. In the second stage, the temperature is rapidly increased to 95°C for complete gelatinization. Finally, vacuum degassing is initiated, and air is extracted at -0.08MPa to eliminate air bubbles. S5: The gelatinized slurry is formed through a composite strainer, undergoes triple freezing and shaping, gradient temperature drying, and bundle formation to obtain bundled quick-frozen strip food. The composite strainer is designed with elliptical holes with a diameter of 1.2 mm.

[0034] The following table compares the conventional bundled quick-frozen strip foods with the bundled quick-frozen strip foods obtained in Examples 1 to 5: Comparative Example Example 1 Example 2 Example 3 Example 4 Example 5 Is the taste rich? no yes yes yes yes yes Boil the hot pot for 15 minutes paste Not burnt Not burnt Not burnt Not burnt Not burnt Soup flavor adsorption rate (%) 26 34 35 34 34 33 As can be seen from the table above, the taste, cooking resistance, soup absorption capacity and nutrition of the bundled quick-frozen strip food prepared by the present invention are significantly improved, and Embodiment 2 is the best embodiment.

[0035] Working principle: The material is poured into the feed hopper 3, and the filter hopper 2 filters the material, blocking large particles. The material entering the purification chamber 1 is then powered on. The power motor 14 is controlled by a controller and is fixed to the purification chamber 1. The power motor 14 drives the rotating shaft 15 to rotate. The rotating shaft 15 is connected to the purification chamber 1 via bearings to ensure the smooth rotation of the rotating shaft 15. The rotating shaft 15 drives the left end of the mixing rack 16, which mixes the material inside the purification chamber 1. After a period of settling, the power to the electric push cylinder 17 is turned on. The electric push cylinder 17 is controlled by a controller and drives the transmission rod 18 downward. The transmission rod 18 drives the slide rod 19 downward. The slide rod 19 is connected to the transmission chamber 5 via bearings. 9 slides inside the sliding sleeve 20 and drives the sliding sleeve 20 to move downward. The sliding sleeve 20 can drive the vertical pipe 8 to insert the supernatant downward. The power supply of the liquid pump 6 is turned on. The liquid pump 6 can extract the supernatant through the water pipe 7 and the vertical pipe 8. Water is added, mixed, and the supernatant is extracted. This process is repeated multiple times. When there is a large amount of large particles inside the filter hopper 2, the power supply of the reduction motor 9 is turned on. The reduction motor 9 is controlled by a controller. The reduction motor 9 can drive the drive wheel 10 to rotate. The drive wheel 10 can drive the transmission belt 11 to rotate. The transmission belt 11 can drive the driven wheel 12 to rotate. The driven wheel 12 and the hinge rod 13 have an eccentric structure. The rotation of the driven wheel 12 can drive the hinge rod 13 to move downward. The hinge rod 13 can drive the left side of the filter hopper 2 to rotate downward. The filter hopper 2 in the tilted state pours out the large particles through the slag discharge pipe 4.

[0036] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A bundle-shaped quick-frozen strip food product, characterized in that, The raw materials of the bundled quick-frozen strip food, by weight, include 45 to 50 parts of fish meat, 45 to 50 parts of acetylated phosphate tapioca starch, 4 to 7 parts of fructooligosaccharides, 0.35 to 0.45 parts of lysophospholipids, 0.15 to 0.25 parts of sodium phytate, and 0.40 to 0.50 parts of mixed gum. The above raw materials are processed to make bundled quick-frozen strip food.

2. The bundled quick-frozen strip food product according to claim 1, characterized in that, The raw materials for the mixed adhesive include carrageenan, strychnine, magnesium sulfate, and zinc chloride.

3. A method for preparing bundled quick-frozen strip food, characterized in that, The fish meat and acetylated phosphate cassava starch were pre-treated by a purification device, which included a purification box (1). A filter bucket (2) was hinged to the top of the left side of the purification box (1). A feed hopper (3) was connected to the top of the filter bucket (2). A slag discharge pipe (4) was connected to the top of the left side of the filter bucket (2). A hinge rod (13) was hinged to the left side of the bottom of the filter bucket (2). A transmission box (5) was bolted to the top of the purification box (1). A liquid extraction pipe (6) was bolted to the right side of the top of the transmission box (5). A water extraction pipe (7) was connected to the liquid inlet of the liquid extraction pipe (6). A vertical pipe (8) was connected to the left end of the water extraction pipe (7). The surface of the vertical pipe (8) was slidably connected to the sliding hole of the transmission box (5). The bottom end of the vertical pipe (8) extended into the interior of the purification box (1). A mixing mechanism was rotatably connected inside the purification box (1). A flipping mechanism was hinged to the bottom end of the hinge rod (13). A lifting mechanism was rotatably connected to the surface of the vertical pipe (8). The preparation method of bundled quick-frozen strip food includes the following steps: S1: Weigh out the fish meat, acetylated phosphate tapioca starch, fructooligosaccharides, lysophospholipids, sodium phytate and mixed gum according to the proportions. Mix the mixed gum with warm water and stir to make a gel solution. S2: Obtain fish meat and acetylated phosphate cassava starch, add water and mix, pour into the inside of the feed hopper (3), the large particles in the mixture are separated, and the acetylated phosphate cassava starch, fish meat and water are mixed by the mixing mechanism. After mixing, the filtrate is allowed to stand and settle for seven hours, the vertical tube (8) is moved down, the supernatant is extracted, water is added and stirred repeatedly, and the sedimentation is repeated to improve the starch purity and obtain mixed powder; S3: Pour the mixed powder and oligofructose into the mixer and mix at low speed until well combined. Then add lysophospholipids, sodium phytate, glue solution and warm water, and continue mixing to form a flocculent dough. S4: The flocculent dough is processed using a dough mixer. The dough is then removed and mixed in slightly acidic boiling water to homogenize and gelatinize, resulting in a gelatinized slurry. S5: The gelatinized slurry is formed through a composite strainer, then subjected to triple freezing and shaping, gradient temperature drying, and bundled to obtain bundled quick-frozen strip food.

4. The method for preparing bundled quick-frozen strip food according to claim 3, characterized in that, The flipping mechanism includes a geared motor (9), a drive wheel (10), a transmission belt (11), and a driven wheel (12). The output end of the geared motor (9) is keyed to the shaft of the drive wheel (10). The interior of the drive wheel (10) is connected to the bottom end of the transmission belt (11). The transmission belt (11) is connected to the driven wheel (12). The top end of the surface of the driven wheel (12) is hinged to the bottom end of the hinge rod (13).

5. The method for preparing bundled quick-frozen strip food according to claim 4, characterized in that, The surface of the geared motor (9) is bolted to the left side of the purification box (1), and a bracket is rotatably connected to the shaft center on the rear side of the passive wheel (12). The right side of the bracket is bolted to the left side of the purification box (1).

6. The method for preparing a bundled quick-frozen strip food according to claim 3, characterized in that, The mixing mechanism includes a power motor (14), a rotating shaft (15), and a mixing frame (16). The surface of the power motor (14) is bolted to the right side of the purification box (1). Both ends of the rotating shaft (15) are rotatably sleeved to the inner side of the purification box (1). The rotating shaft (15) is bolted to the mixing frame (16).

7. The method for preparing a bundled quick-frozen strip food according to claim 3, characterized in that, The lifting mechanism includes an electric cylinder (17), a transmission rod (18), a slide rod (19), and a sliding sleeve (20). The surface of the electric cylinder (17) is bolted to the bottom of the transmission box (5). The output end of the electric cylinder (17) is hinged to the bottom of the transmission rod (18). The top of the transmission rod (18) is hinged to the surface of the slide rod (19). The right end of the slide rod (19) is hinged to the right side of the transmission box (5). The left end of the surface of the slide rod (19) is slidably connected to the inside of the sliding sleeve (20). The surface of the sliding sleeve (20) is hinged to the surface of the vertical tube (8).

8. The method for preparing a bundled quick-frozen strip food according to claim 3, characterized in that, The bottom of the filter bucket (2) is fitted with a filter screen (21). The filter bucket (2) is located at the opening on the top left side of the purification box (1). The left side of the feed hopper (3) is inclined.

9. The method for preparing a bundled quick-frozen strip food according to claim 3, characterized in that, In step S4, synergistic gelatinization is employed. In the first stage, the acetylated phosphate tapioca starch is pregelatinized at 60°C for 10 minutes. In the second stage, the temperature is rapidly increased to 95°C for complete gelatinization. Finally, vacuum degassing is initiated, and air is pumped out at -0.08 MPa to eliminate air bubbles.

10. The method for preparing a bundled quick-frozen strip food according to claim 3, characterized in that, In S5, the composite strainer is designed with an elliptical hole with a diameter of 1.2 to 1.5 mm.

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