CN110720606A - Method and equipment for making simulated caviar - Google Patents
Method and equipment for making simulated caviar Download PDFInfo
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- CN110720606A CN110720606A CN201911152582.4A CN201911152582A CN110720606A CN 110720606 A CN110720606 A CN 110720606A CN 201911152582 A CN201911152582 A CN 201911152582A CN 110720606 A CN110720606 A CN 110720606A
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- jellyfish
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L17/00—Food-from-the-sea products; Fish products; Fish meal; Fish-egg substitutes; Preparation or treatment thereof
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L17/00—Food-from-the-sea products; Fish products; Fish meal; Fish-egg substitutes; Preparation or treatment thereof
- A23L17/30—Fish eggs, e.g. caviar; Fish-egg substitutes
- A23L17/35—Fish-egg substitutes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/10—General methods of cooking foods, e.g. by roasting or frying
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Abstract
The invention discloses a method and a device for making a simulated caviar, which comprises the following steps: (1) pre-treating jellyfish: taking jellyfish skin and jellyfish head prepared by a three-alum processing method as raw materials, and sequentially carrying out alum and fishy smell removal treatment on the jellyfish head and the jellyfish skin; (2) and (3) extrusion granulation: blanching the jellyfish obtained in the step (1) in boiling water for 1-5 min, and extruding the jellyfish into granules by using a jellyfish granulator; then freezing the particles to below-8 ℃, grinding the particles into round particles and grading; (3) sterilizing the ingredients; and (3) mixing the jellyfish round particles obtained in the step (2) with seasonings, and filling and sterilizing to obtain the bionic caviar. The bionic fish roe particles prepared by the method have smooth and mellow surfaces, are not adhered, are crystal clear and have elasticity, and have good appearance and texture.
Description
Technical Field
The invention relates to the technical field of food processing, in particular to a method and equipment for preparing simulated caviar.
Background
The prior fish roe has high protein and fat content, is rich in cholesterol, is not suitable for old people, has big fishy smell and poor taste, has low yield and high price, and is suitable for many people to catch a dust. The existing multi-purpose food additives for the bionic fish larvae, such as sodium alginate, gelatin and the like, yolk powder, isobaric particle soaking calcium chloride and tannic acid solution, have complex preparation process, are not easy to realize industrial production, and have low nutritional value and poor taste. In the prior art, krill powder, sodium alginate and the like are used as inner cores, calcium chloride and corn alcohol are used for solidification and molding, and the outer layer of konjac glucan is used for wrapping to obtain the bionic roe, but the bionic roe sauce prepared from the jellyfish with the line is not available at present. Therefore, the bionic fish roe prepared from the jellyfish with relatively low price, convenient material acquisition and high nutritive value has extremely high market prospect and has important significance for the research of the bionic fish roe.
The jellyfish has toxin and can not be directly processed for eating, but the current processing mode of 'three alum two salt' is mainly adopted for dehydration and desalination, on one hand, the method can lead the jellyfish to be enriched with excessive aluminum and is harmful to human body. On the other hand, the salt is strong electrolyte and has high affinity with water, and the protein water film on the surface of the jellyfish after the salt is added is damaged, so that the protein colloid is damaged, and the protein colloid is separated out, which is not beneficial to making the jellyfish into transparent and elastic bionic roe. Therefore, the reasonable detoxification and dehydration process and the alum and fishy smell removal process are beneficial to the preparation of the bionic fish roe.
The jellyfish has certain elasticity, the jellyfish is generally processed into strip-shaped food at present, the jellyfish is made into granular food, however, when the jellyfish is extruded into the granular food, the outer surface of the jellyfish is uneven, the regular shape and the size of the jellyfish are difficult to control, the appearance of the prepared granular jellyfish is poor, and the product value of the jellyfish is seriously influenced. The jellyfish particles are soft, and the jellyfish cannot be ground into smooth round particles by the existing grinding tool, so that the jellyfish is made into food with good appearance, and the commercial value of the jellyfish is improved. The bionic fish roe prepared from the jellyfish can improve the nutritional value of the existing bionic fish roe, but the processing technology is difficult, and the prepared fish roe has poor appearance and poor taste, which seriously influences the industrial development of the jellyfish.
Disclosure of Invention
The invention provides a method for preparing simulated caviar and equipment thereof, aiming at solving the technical problems that when the jellyfish is extruded to prepare granular food, the outer surface of the jellyfish is uneven, the regular shape and the size are difficult to control, the jellyfish granules are soft, the jellyfish cannot be polished into smooth round granules by the existing polishing tool, the appearance of the prepared granular jellyfish is poor, and the commercial value of the jellyfish is influenced.
In order to solve the problems, the invention adopts the following technical scheme:
a method for preparing simulated caviar comprises the following steps:
(1) pre-treating jellyfish: taking jellyfish skin and jellyfish head prepared by a three-alum processing method as raw materials, and sequentially carrying out alum and fishy smell removal treatment on the jellyfish head and the jellyfish skin;
(2) and (3) extrusion granulation: blanching the jellyfish obtained in the step (1) in boiling water for 1-5 min, and extruding to prepare particles; then freezing the particles to below-8 ℃, grinding the particles into round particles and grading;
(3) sterilizing the ingredients; and (3) mixing the jellyfish round particles obtained in the step (2) with seasonings, and filling and sterilizing to obtain the bionic caviar.
In the step (2), the jellyfish particle freezing method is that the jellyfish particles are subjected to air injection freezing by adopting low-temperature nitrogen, and the low-temperature nitrogen is at a temperature of-25 ℃ to-10 ℃.
Wherein the alum removing treatment process comprises the following steps: placing jellyfish skin and jellyfish head in a composite phosphate solution for soaking for 24-36 d, taking out the jellyfish skin and the jellyfish head, cleaning the jellyfish head with clear water, placing the jellyfish skin and the jellyfish head in mixed acid liquid consisting of citric acid and acetic acid, soaking the jellyfish skin and the jellyfish head for 2-5 h at 40-50 ℃, taking out the jellyfish skin and the jellyfish head, placing the jellyfish skin and the jellyfish head in clear water, and treating the jellyfish skin and the jellyfish head;
the composite phosphate solution comprises, by mass, 0.2-1% of composite phosphorus, wherein the composite phosphate consists of tripolyphosphate, sodium pyrophosphate and sodium hexametaphosphate in a mass ratio of 2:5: 8; the mixed acid liquid is prepared from the following components in percentage by mass of 1: 5-10 parts of citric acid and acetic acid; the pH value of the mixed acid liquid is 4.2-5.8.
Wherein the deodorization process comprises the following steps: boiling ginger in water for 2-8 min, and adding alcohol with the alcohol content of more than 32 degrees into the ginger water; soaking the jellyfish in the ginger water alcohol mixed solution for 2-5 h, and then cleaning the jellyfish with clear water to finish the fishy smell removal process; the volume ratio of the ginger water to the alcohol is 5-8: 1.
Wherein the flavoring agent is one or more of edible vinegar, soy sauce, salt, pepper, spice, white granulated sugar, edible oil, edible pigment, dried vegetable powder and dried meat powder.
In the invention, the three-alum processing method is a 'three-alum two-salt' processing method, which is a currently common jellyfish detoxification and dehydration process, and the specific method comprises the following steps: firstly, washing jellyfish with separated head and skin by using seawater for later use; then 5g of alum powder is uniformly added into per kilogram of fresh jellyfish skin: 100g of water is mixed with 0.5 percent of alum water, the mixture is poured into a salting barrel, the jellyfish is put into the barrel, evenly mixed and pickled for 24 hours, and then the jellyfish is fished out and brine is drained, so that the product is the 'primary alum'. Weighing the primary alum jellyfish after brine leaching, evenly adding 104g of a mixture of salt and alum powder (the mass ratio of the salt to the alum is 100: 4) into each kilogram of the primary alum jellyfish, weighing the mass of the mixture, flatly scattering a layer of the mixture of the salt and the alum at the bottom of a barrel, placing the primary alum jellyfish, flatly paving a layer of salt for capping, and salting for 7 days to obtain secondary alum jellyfish, namely 'secondary alum and primary salt'; weighing the brine-drained alum-enriched jellyfish, uniformly adding 101.5g of a mixture of salt and alum powder into each kilogram of alum-enriched jellyfish, wherein the mass ratio of the salt to the alum is 100:1.5, weighing the mass of the mixture, flatly scattering a layer of alum-enriched mixture at the bottom of a barrel, placing the alum-enriched jellyfish, flatly paving a layer of salt, sealing the top, and salting for 7 days to obtain the alum-enriched jellyfish, namely the processing method of 'three alum double salt'. The jellyfish raw materials in the application are jellyfish skin and jellyfish heads processed by 'three alum two salts'.
Another object of the present invention is to protect a manufacturing apparatus of a simulated caviar, in particular, a jellyfish granulator, comprising: the granulator body is divided into a granulation area, a freezing area, a polishing area and a grading area;
the granulator is characterized in that the upper part of the granulator body is a granulation area, a motor base is arranged on the side wall of the upper part of the granulator, a rotating motor is arranged in the motor base, a granulation chamber is arranged in the center of the upper part of the granulator, a crushing mechanism is arranged in the granulation chamber, and the crushing mechanism is connected with the rotating motor; the upper end of the granulator is provided with a feeding funnel which is communicated with the granulating chamber;
the lower part of the granulator body is a freezing area, the lower part of the granulating chamber is communicated with the freezing area, and the side wall of the lower part of the granulator body is provided with a pipe orifice for introducing low-temperature nitrogen;
the grinding area is communicated with one side opposite to the pipe orifice of the freezing area, the grinding area comprises a support frame and a grinding mechanism, the grinding mechanism comprises a round pipe and a grinding roller, the grinding roller is sleeved in the round pipe, a support roller is arranged on the support frame to support the round pipe, and a first driving motor is arranged on the rack to drive the round pipe to roll on the support roller; one end of the grinding roller is sleeved on the support frame, and the other end of the grinding roller is connected with a second driving motor to drive the grinding roller and the round pipe to move reversely;
the grading area is positioned at one end of the polishing area, and the polishing area and the grading area are separated by a grading sieve; the classifying screen is provided with three stages of first discharge ports, second discharge ports and third discharge ports which are respectively and correspondingly arranged.
Furthermore, the outer side wall of the granulator body is provided with a switch for controlling the rotating motor to work.
Further, the granulation chamber is a circular or elliptical chamber; the crushing mechanism is a round ball or an oval ball, a plurality of blades or protruding parts which are uniformly distributed are arranged on the outer surface of the crushing mechanism, and gaps are formed between the crushing mechanism and the granulating cavity, so that when the crushing mechanism rotates, the blades or the protruding parts can rotate between the gaps.
Further, a grid is arranged between the granulation chamber and the freezing zone.
Further, the grinding mechanism is arranged from the freezing area to the grading area in an inclined and downward mode, so that jellyfish particles can automatically roll towards the grading area from the freezing area in the grinding process. The jellyfish particles are ground into round particles by the movement of the round tube and the grinding roller in the rolling process.
Furthermore, the flow speed of low-temperature nitrogen passing through the freezing area is 0.02-0.6 m/s.
Compared with the prior art, the invention has the following beneficial effects:
(1) the jellyfish head and the jellyfish skin are used as raw materials, after the detoxification and dehydration process, the mixed phosphate, the acid liquor and the clear water are utilized, the ultrasonic treatment is matched for the dealumination, the aluminum content in the jellyfish can be greatly reduced, and meanwhile, the jellyfish is subjected to the deodorization treatment by adopting the alcohol and the ginger water, so that the jellyfish is free of fishy smell. The method comprises the steps of granulating, freezing, grinding and grading the alum-removed and fishy smell-removed jellyfish to obtain simulated roe particles, mixing the simulated roe particles with seasonings, filling and sterilizing to obtain the simulated roe sauce.
(2) At present, the jellyfish is not found to be made into the bionic caviar, but the invention provides a new product idea for making the jellyfish into the new food of the caviar, effectively improves the additional value of the jellyfish product and drives farmers to become rich.
(3) The bionic fish roe prepared by the method has high nutritive value and good health care effect. The jellyfish contains various nutrient components required by human body, especially iodine which is deficient in human diet, and is an important nutrient food. Is suitable for middle-aged and elderly people with acute and chronic bronchitis, cough, asthma, and yellow and thick phlegm; is suitable for patients with hypertension, dizziness, dysphoria with smothery sensation, thirst, and constipation; is suitable for patients with simple goiter, and is suitable for people with polydipsia after intoxication. The bionic caviar prepared from the jellyfish meets the requirements of markets for caviar, and has high nutritional value and health-care value.
(4) The invention provides a jellyfish granulator which is divided into a granulating area, a freezing area, a polishing area and a grading area, jellyfish which is hot after fishy smell and alum are removed enters from a feed inlet of the granulating area, is crushed by a crushing mechanism in a granulating chamber and falls into the freezing area through a grid, low-temperature nitrogen is blown into one side of the freezing area for cooling and freezing, so that the temperature of the crushed jellyfish particles is lower than-8 ℃, on one hand, the jellyfish particles can be blown into the polishing area for polishing in the low-temperature nitrogen freezing process, a round pipe and a polishing roller move in a reverse direction, and the jellyfish particles are polished to be smooth and mellow by the round pipe and the polishing roller in the process of rolling towards the grading area. When the jellyfish is used for preparing the bionic caviar, the jellyfish granulator can be directly used for directly preparing round particles, and the bionic caviar can be obtained by further mixing. The jellyfish particles can be prepared into fine and round particles without special food gum wrapping treatment, and the practicability is high.
Drawings
Fig. 1 is a schematic structural diagram of a jellyfish granulator according to the present invention;
in the figure, 1-granulator body, 2-granulation zone, 3-freezing zone, 4-grinding zone, 5-classification zone, 21-motor base, 22-granulation chamber, 23-crushing mechanism, 24-feeding hopper, 25-switch, 31-nozzle, 41-support frame, 42-support roller, 43-grinding mechanism, 44-round tube, 45-grinding roller, 46-first driving motor, 47-second driving motor, 51-first discharge port, 52-second discharge port and 53-third discharge port.
Detailed Description
The present invention will be further described with reference to examples and tests.
Example 1
A method for preparing simulated caviar comprises the following steps:
(1) pre-treating jellyfish: taking jellyfish skin and jellyfish head prepared by a three-alum processing method as raw materials, and sequentially carrying out alum and fishy smell removal treatment on the jellyfish head and the jellyfish skin; the alum removing treatment process comprises the following steps: placing jellyfish skin and jellyfish head in a compound phosphate solution for soaking for 36d, taking out, cleaning with clear water, placing in a mixed acid solution composed of citric acid and acetic acid, soaking for 5h at 40 ℃, taking out the jellyfish skin and the jellyfish head, placing in clear water, and performing ultrasonic treatment for 1min to obtain the alum-removed jellyfish skin and jellyfish head; the composite phosphate solution contains 1% of composite phosphorus by mass, and the composite phosphate comprises tripolyphosphate, sodium pyrophosphate and sodium hexametaphosphate in a mass ratio of 2:5: 8; the mixed acid liquid is prepared from the following components in percentage by mass of 1: 5, citric acid and acetic acid; the pH value of the mixed acid liquid is 5.8; the fishy smell removing process comprises the following steps: boiling rhizoma Zingiberis recens in water for 2min, and adding alcohol with alcohol content greater than 32 ° into the ginger water; the jellyfish is soaked in the ginger water alcohol mixed solution for 5h and then is cleaned by clear water to finish the fishy smell removal process; the volume ratio of the ginger water to the alcohol is 8: 1.
(2) And (3) extrusion granulation: blanching the jellyfish obtained in the step (1) in boiling water for 1min, and extruding to prepare particles; and then the particles are sprayed with nitrogen at the low temperature of-10 ℃ and are frozen to the temperature below-8 ℃ and are ground into round particles.
(3) Sterilizing the ingredients; and (3) mixing the jellyfish round particles obtained in the step (2) with seasonings, and filling and sterilizing to obtain the bionic caviar. The flavoring comprises edible vinegar, soy sauce, salt, pepper, spices, white granulated sugar, edible oil, edible pigment, dried vegetable powder and dried meat powder.
Example 2
A method for preparing simulated caviar comprises the following steps:
(1) pre-treating jellyfish: taking jellyfish skin and jellyfish head prepared by a three-alum processing method as raw materials, and sequentially carrying out alum and fishy smell removal treatment on the jellyfish head and the jellyfish skin; the alum removing treatment process comprises the following steps: placing jellyfish skin and jellyfish head in a compound phosphate solution for soaking for 24d, taking out, cleaning with clear water, placing in a mixed acid solution composed of citric acid and acetic acid, soaking at 50 ℃ for 2h, taking out the jellyfish skin and the jellyfish head, placing in clear water, and performing ultrasonic treatment for 2min to obtain the alum-removed jellyfish skin and the jellyfish head; the composite phosphate solution contains 0.2% of composite phosphorus by mass, and the composite phosphate comprises tripolyphosphate, sodium pyrophosphate and sodium hexametaphosphate in a mass ratio of 2:5: 8; the mixed acid liquid is prepared from the following components in percentage by mass of 1: 10 citric acid and acetic acid; the pH value of the mixed acid liquid is 4.2; the fishy smell removing process comprises the following steps: boiling rhizoma Zingiberis recens in water for 8min, and adding alcohol with alcohol content greater than 32 ° into the ginger water; the jellyfish is soaked in the ginger water alcohol mixed solution for 2 hours and then is cleaned by clear water, and the fishy smell removing process is completed; the volume ratio of the ginger water to the alcohol is 5: 1.
(2) And (3) extrusion granulation: blanching the jellyfish obtained in the step (1) in boiling water for 5min, and extruding to prepare particles; and then the particles are sprayed with nitrogen at the low temperature of-15 ℃ and frozen to the temperature below-8 ℃ and ground into round particles.
(3) Sterilizing the ingredients; and (3) mixing the jellyfish round particles obtained in the step (2) with seasonings, and filling and sterilizing to obtain the bionic caviar. The flavoring agent comprises edible vinegar, soy sauce, salt, Capsici fructus, edible oil, and edible pigment.
Example 3
A method for preparing simulated caviar comprises the following steps:
(1) pre-treating jellyfish: taking jellyfish skin and jellyfish head prepared by a three-alum processing method as raw materials, and sequentially carrying out alum and fishy smell removal treatment on the jellyfish head and the jellyfish skin; the alum removing treatment process comprises the following steps: placing the jellyfish skin and the jellyfish head in a composite phosphate solution for soaking for 30d, taking out the jellyfish skin and the jellyfish head, cleaning the jellyfish head with clear water, placing the jellyfish skin and the jellyfish head in mixed acid liquid consisting of citric acid and acetic acid, soaking for 2-5 h at 45 ℃, taking out the jellyfish skin and the jellyfish head, placing the jellyfish skin and the jellyfish head in clear water, and treating for 1.5min by adopting ultrasonic waves to obtain the alum-removed jellyfish skin and; the composite phosphate solution contains 0.5% of composite phosphorus by mass, and the composite phosphate comprises tripolyphosphate, sodium pyrophosphate and sodium hexametaphosphate in a mass ratio of 2:5: 8; the mixed acid liquid is prepared from the following components in percentage by mass of 1: 8, citric acid and acetic acid; the pH value of the mixed acid liquid is 5.0; the fishy smell removing process comprises the following steps: boiling rhizoma Zingiberis recens in water for 6min, and adding alcohol with alcohol content greater than 32 ° into the ginger water; the jellyfish is soaked in the ginger water alcohol mixed solution for 3h and then is cleaned by clear water to finish the fishy smell removal process; the volume ratio of the ginger water to the alcohol is 7: 1.
(2) And (3) extrusion granulation: blanching the jellyfish obtained in the step (1) in boiling water for 3min, and extruding to prepare particles; and then the particles are sprayed with nitrogen at the low temperature of 25 ℃ below zero and frozen to the temperature below 8 ℃ below zero, and then the particles are ground into round particles.
(3) Sterilizing the ingredients; and (3) mixing the jellyfish round particles obtained in the step (2) with seasonings, and filling and sterilizing to obtain the bionic caviar. The flavoring agent comprises edible vinegar, soy sauce and salt.
Experimental detection
The biomimetic caviar of example 1-example 3 was observed, and the appearance thereof was as follows:
the bionic roe granules have smooth and mellow surface, crystal clear and elastic texture.
Example 3
As shown in fig. 1, a jellyfish granulator for preparing simulated young fish granules, comprising: the granulator comprises a granulator body 1, wherein the granulator body 1 is divided into a granulation area 2, a freezing area 3, a polishing area 4 and a grading area 5;
the granulator is characterized in that a granulating area 2 is arranged at the upper part of the granulator body 1, a motor base 21 is arranged on the side wall of the upper part of the granulator, a rotating motor is arranged in the motor base 21, a granulating cavity 22 is arranged at the center of the upper part of the granulator, a crushing mechanism 23 is arranged in the granulating cavity 22, and the crushing mechanism 23 is connected with the rotating motor; the upper end of the granulator is provided with a feeding funnel 24, and the feeding funnel 24 is communicated with the granulating cavity 22; the outer side wall of the granulator body 1 is provided with a switch 25 for controlling the rotating motor to work. The granulation chamber 22 is a circular or oval chamber; the crushing mechanism 23 is a round ball or an oval ball, the outer surface of the crushing mechanism 23 is provided with uniformly distributed convex parts (not marked in the drawings), and in other embodiments, the outer surface of the crushing mechanism 23 can be provided with a plurality of blades. A gap is formed between the crushing mechanism 23 and the granulating chamber 22, so that when the crushing mechanism 23 rotates, the leaf or the convex part can rotate between the gaps to crush the jellyfish and prepare jellyfish particles.
The granulator body 1 lower part is freezing district 3, the below intercommunication of pelletization cavity 22 freezing district 3, pelletization cavity 22 with be equipped with the grid between the freezing district 3, this grid can avoid the too big jellyfish of granule to fall into freezing district, and it can guarantee the size of the jellyfish granule that falls into freezing district. The side wall of the lower part of the granulator body 1 is provided with a pipe orifice 31 for introducing low-temperature nitrogen; in this embodiment, only one pipe orifice is arranged on the side wall of the freezing area, but in other embodiments, a plurality of pipe orifices can be additionally arranged according to needs, or the positions and the orientations of the pipe orifices can be changed according to needs, so that the jellyfish particles can be frozen by low-temperature nitrogen gas to be below-8 ℃, and the frozen jellyfish particles can be blown into the grinding area 4. The jellyfish particles are frozen to the temperature of-8 ℃, and the jellyfish particles can be guaranteed to have harder hardness, and the polishing effect is guaranteed. The jellyfish particle temperature is gradually increased and the jellyfish hardness is gradually reduced in the process of polishing the jellyfish particles away from the freezing area, but the jellyfish particle temperature is reduced to below-8 ℃, so that the jellyfish particle temperature can be ensured not to be rapidly increased too high in the polishing process, the jellyfish hardness is softened and cannot be polished, the low-temperature nitrogen blown into the freezing area can still maintain the jellyfish at a lower temperature, the jellyfish with higher hardness is maintained, and the jellyfish is beneficial to polishing.
In the embodiment, the flow rate of the low-temperature nitrogen passing through the freezing area 3 is preferably 0.02-0.6 m/s, and the temperature of the low-temperature nitrogen is preferably-25 ℃ to-10 ℃. The low temperature nitrogen flow rate is too fast, if the nitrogen temperature is too high, jellyfish particles blown into the grinding area cannot be guaranteed to be frozen below-8 ℃. The low temperature nitrogen flow rate is too slow, if the nitrogen temperature is too low, the jellyfish particles are quickly bonded and frozen into a mass in the freezing area 3, and cannot be ground. When the device is used specifically, the flow rate and the temperature of the low-temperature nitrogen can be adjusted according to requirements. In other modes, the jellyfish particles can be frozen to be below-8 ℃ through other flow rates and temperatures of low-temperature nitrogen, and the jellyfish can be ground.
The district 4 of polishing communicates the 3 relative one sides of mouth of pipe 31 in freezing district, the district 4 of polishing is equipped with support frame 41 and grinding machanism 43, grinding machanism 43 includes pipe 44 and grinding roller 45, grinding roller 45 cover is established in the pipe 44, and the setting of closely laminating of non-, grinding roller 45 with the distance of pipe 44 is 0.05cm, can be certainly according to the size of jellyfish granule, suitable debugging grinding roller 45 with the distance of pipe 44, preferred distance is 0.01 ~ 0.3 cm. A support roller 42 is arranged on the support frame 41 to support the circular tube 44, and a first drive motor 46 is arranged on the rack to drive the circular tube 44 to roll on the support roller 42; one end of the grinding roller 45 is sleeved on the support frame 41, the other end of the grinding roller is connected with a second driving motor 47 to drive the grinding roller 45 and the circular tube 44 to move reversely, frozen jellyfish particles are arranged between the grinding roller 45 and the circular tube 44, and the surfaces of the grinding roller 45 and the circular tube 44 are ground under the reverse movement, so that the jellyfish particles are smooth and mellow.
In this embodiment, the grinding mechanisms 43 are arranged in parallel, jellyfish particles in the grinding mechanisms 43 are blown by low-temperature nitrogen to roll towards the grading region 5, and are ground by the grinding rollers 45 and the circular pipes 44 through reverse movement. In other ways, the grinding mechanism 43 may be disposed obliquely downward from the freezing zone 3 toward the grading zone 5 to facilitate the jellyfish particles to automatically roll from the freezing zone 3 toward the grading zone 5 during grinding. The jellyfish particles are ground into round particles by the movement of the round tube 44 and the grinding roller 45 in the rolling process.
The grading area 5 is positioned at one end of the grinding area 4, and the grinding area 4 and the grading area 5 are separated by a grading sieve; the classifying screen is provided with three stages of first discharge holes 51, second discharge holes 52 and third discharge holes 53 which are correspondingly arranged. And grading the ground jellyfish particles, and then respectively and correspondingly discharging the jellyfish particles from the discharge holes to obtain the jellyfish particles with different sizes.
When the jellyfish processing device is used, the jellyfish which is subjected to fishy smell removal and alum removal and is hot-boiled enters a feed inlet of a granulating area 2, is crushed by a crushing mechanism 23 in a granulating chamber 22 and falls into a freezing area 3 through a grid, low-temperature nitrogen is blown into one side of the freezing area 3 for cooling and freezing, so that the temperature of the crushed jellyfish particles is lower than-8 ℃, on one hand, the jellyfish particles can be blown into a polishing area 4 for polishing in the low-temperature nitrogen freezing process, a round pipe 44 and a polishing roller 45 move in the opposite direction, and the jellyfish particles are polished to be smooth and mellow through the round pipe 44 and the polishing roller 45 in the process of rolling towards a grading area 5. When the jellyfish is used for preparing the bionic caviar, the jellyfish granulator can be directly used for directly preparing round particles, and the bionic caviar can be obtained by further mixing. The jellyfish particles can be prepared into fine and round particles without special food gum wrapping treatment, and the practicability is high.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (10)
1. The manufacturing method of the simulated caviar is characterized by comprising the following steps:
(1) pre-treating jellyfish: taking jellyfish skin and jellyfish head prepared by a three-alum processing method as raw materials, and sequentially carrying out alum and fishy smell removal treatment on the jellyfish head and the jellyfish skin;
(2) and (3) extrusion granulation: blanching the jellyfish obtained in the step (1) in boiling water for 1-5 min, and extruding to prepare particles; then freezing the particles to below-8 ℃, grinding the particles into round particles and grading;
(3) sterilizing the ingredients; and (3) mixing the jellyfish round particles obtained in the step (2) with seasonings, and filling and sterilizing to obtain the bionic caviar.
2. The method for preparing the simulated caviar according to claim 1, wherein in the step (2), the jellyfish particles are frozen by air-jet freezing with low-temperature nitrogen, and the low-temperature nitrogen is at a temperature of-25 ℃ to-10 ℃.
3. The method for preparing the simulated caviar according to claim 1, wherein the alum removal treatment process comprises the following steps: placing jellyfish skin and jellyfish head in a composite phosphate solution for soaking for 24-36 d, taking out the jellyfish skin and the jellyfish head, cleaning the jellyfish head with clear water, placing the jellyfish skin and the jellyfish head in mixed acid liquid consisting of citric acid and acetic acid, soaking the jellyfish skin and the jellyfish head for 2-5 h at 40-50 ℃, taking out the jellyfish skin and the jellyfish head, placing the jellyfish skin and the jellyfish head in clear water, and treating the jellyfish skin and the jellyfish head;
the composite phosphate solution comprises, by mass, 0.2-1% of composite phosphorus, wherein the composite phosphate consists of tripolyphosphate, sodium pyrophosphate and sodium hexametaphosphate in a mass ratio of 2:5: 8; the mixed acid liquid is prepared from the following components in percentage by mass of 1: 5-10 parts of citric acid and acetic acid; the pH value of the mixed acid liquid is 4.2-5.8.
4. The method for making the simulated caviar according to claim 1, wherein the fishy smell removing process comprises the following steps: boiling ginger in water for 2-8 min, and adding alcohol with the alcohol content of more than 32 degrees into the ginger water; soaking the jellyfish in the ginger water alcohol mixed solution for 2-5 h, and then cleaning the jellyfish with clear water to finish the fishy smell removal process; the volume ratio of the ginger water to the alcohol is 5-8: 1.
5. A jellyfish granulator is characterized by comprising: the granulator body is divided into a granulation area, a freezing area, a polishing area and a grading area;
the granulator is characterized in that the upper part of the granulator body is a granulation area, a motor base is arranged on the side wall of the upper part of the granulator, a rotating motor is arranged in the motor base, a granulation chamber is arranged in the center of the upper part of the granulator, a crushing mechanism is arranged in the granulation chamber, and the crushing mechanism is connected with the rotating motor; the upper end of the granulator is provided with a feeding funnel which is communicated with the granulating chamber;
the lower part of the granulator body is a freezing area, the lower part of the granulating chamber is communicated with the freezing area, and the side wall of the lower part of the granulator body is provided with a pipe orifice for introducing low-temperature nitrogen;
the grinding area is communicated with one side opposite to the pipe orifice of the freezing area, the grinding area comprises a support frame and a grinding mechanism, the grinding mechanism comprises a round pipe and a grinding roller, the grinding roller is sleeved in the round pipe, a support roller is arranged on the support frame to support the round pipe, and a first driving motor is arranged on the rack to drive the round pipe to roll on the support roller; one end of the grinding roller is sleeved on the support frame, and the other end of the grinding roller is connected with a second driving motor to drive the grinding roller and the round pipe to move reversely;
the grading area is positioned at one end of the polishing area, and the polishing area and the grading area are separated by a grading sieve; the classifying screen is provided with three stages of first discharge ports, second discharge ports and third discharge ports which are respectively and correspondingly arranged.
6. The jellyfish granulator according to claim 5, wherein the switch for controlling the operation of the rotating motor is provided on the outer side wall of the granulator body.
7. The jellyfish granulator of claim 5 wherein the granulation chamber is a circular or elliptical chamber; the crushing mechanism is a round ball or an oval ball, a plurality of blades or protruding parts which are uniformly distributed are arranged on the outer surface of the crushing mechanism, and gaps are formed between the crushing mechanism and the granulating cavity, so that when the crushing mechanism rotates, the blades or the protruding parts can rotate between the gaps.
8. The jellyfish granulator of claim 5 wherein a grate is provided between the granulation chamber and the freezing zone.
9. The jellyfish granulator of claim 5 wherein the grinding mechanism is positioned from the freezing zone obliquely downward toward the classifying zone.
10. The jellyfish granulator according to claim 5, wherein the flow rate of the low temperature nitrogen gas passing through the freezing zone is 0.02 to 0.6 m/s.
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