Processing method of dried hippocampus

Abstract

The invention relates to the technical field of marine biological resource processing and traditional Chinese medicinal material preparation, discloses a processing method of dried hippocampus, and aims to solve the problems of stiffness after freezing and unfreezing, high pollution risk, instable drying, low labor efficiency and the like in existing dried hippocampus processing. The process flow of raw material harvesting and pretreatment, batch thawing, softening treatment, shaping and drying is adopted, and efficient, batched and standardized processing of the dried hippocampus is achieved. Through storage, unfreezing and softening treatment under specific conditions, the problem that the sea horse is hard to shape due to stiffness after being unfrozen is effectively solved, and the product is straight in shape, natural in color, free of peculiar smell, free of insect damage, stable in quality and suitable for industrial large-scale application.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of processing of marine biological resources and preparation of traditional Chinese medicinal materials, in particular to a processing method of dried sea horse. BACKGROUND

[0002] As a traditional and precious Chinese medicinal material, the appearance quality of dried sea horse is highly required in the market, especially the sample with straight tail and straight body. The existing processing method is to wash the caught sea horse with fresh water, spread it on a cloth and dry it in the air, then artificially straighten it and hang it by the tail after losing vital signs. This method has many disadvantages: it is easy to be contaminated by flies and microorganisms during natural air drying, and there is a high risk of pollution; it cannot be dehydrated in a short time during rainy weather, which may lead to sea horse corruption and unstable drying process; it needs to be operated one by one by hand, which is low in efficiency and difficult to meet the demand of large-scale production.

[0003] In order to alleviate the mismatch between fishing and processing capacity, the industry usually adopts the method of frozen storage, but the thawed sea horse will appear stiff after death, the body is stiff, and it is difficult to straighten and shape, which seriously affects the product quality. Therefore, there is an urgent need for a sea horse drying method that can realize long-term storage and maintain the shapeability after thawing, and is efficient and clean. SUMMARY

[0004] (I) Technical problems solved In view of the shortcomings of the prior art, the present application provides a processing method of dried sea horse, which effectively solves the problem of difficulty in shaping caused by stiffening after thawing of sea horse, and the product has straight body, natural color, no odor and no insect damage, and stable quality.

[0005] (II) Technical solutions In order to achieve the above-mentioned purpose, the present application provides the following technical solutions: 1. A processing method of dried sea horse, comprising the following steps: S1. Raw material collection and pretreatment: washing the caught sea horse with fresh water to remove impurities, selecting corresponding storage method according to storage requirement, short-term storage adopts-1 to-2℃ salt water slurry pool preservation, long-term storage adopts liquid nitrogen quick freezing or-80℃ quick freezing and then transfers to-30℃ cold storage preservation; S2. Batch thawing: thawing the stored sea horse in a refrigerated water bath; S3. Softening treatment: soaking the thawed sea horse in 0.5-1.5% NaCl solution to restore the flexibility of sea horse body; S4. Shaping and drying: after softening treatment, hanging by the tail by artificial or mechanical method, adopting hot air circulation drying to 5-10% moisture content, to obtain dried sea horse product; S5. Product characteristics: straight body, natural color, no odor and no insect damage.

[0006] Further, in the S1, the short-term storage time is 3-5 days.

[0007] Further, in the S1, the long-term storage time is 2-3 months.

[0008] Further, in the S2, the temperature of the refrigerated water bath is 4-5℃.

[0009] Further, in the S3, the temperature of the NaCl solution is 30-35℃.

[0010] Further, in the S3, the soaking time is 15-20min.

[0011] Further, in the S4, the temperature of the hot air is 40-55℃.

[0012] Further, the processing method is prepared by using any one of claims 1-7.

[0013] Beneficial technical effects The present application effectively solves the problem of rigidity of sea horse after freezing and thawing, and restores the flexibility of sea horse through specific softening treatment, ensures smooth straightening and shaping, and improves the appearance quality of the product.

[0014] The present application realizes mass storage and batch processing of sea horse, combines short-term and long-term storage methods, flexibly matches fishing and processing capacity, and meets the demand of large-scale production.

[0015] The present application uses hot air circulation drying instead of natural airing, avoids fly and microbial pollution in the external environment, ensures product cleanliness, and the drying process is stable and controllable, and corruption is not easy to occur.

[0016] The present application standardizes the processing flow, unifies the appearance of the product, stabilizes the quality, and improves the market competitiveness of the sea horse dry. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0018] Embodiment 1 A processing method of sea horse dry, comprising the following steps: S1. Raw material harvesting and pretreatment: the sea horse after fishing is washed with fresh water to remove impurities, and corresponding storage method is selected according to storage requirement, short-term storage uses-1℃ salt water ice slurry pool to store for 3 days, long-term storage uses-80℃ quick freezing and then transfers to-30℃ refrigerator to store for 2 months; S2. Batch thawing: After storage, the hippocampus is placed in a refrigerated 4°C water bath for slow thawing; S3. Softening treatment: After thawing, the hippocampus is immersed in a 0.5% NaCl solution at a temperature of 30°C for 15 minutes to restore the flexibility of the hippocampus body; S4. Shaping and drying: After softening treatment, artificial or mechanical tail clamping is used for hanging, and hot air circulation drying at 40°C is used until the moisture content is 5%, obtaining hippocampus dry products; S5. Product characteristics: straight body, natural color, no odor, no insect damage.

[0019] Example 2 A processing method of hippocampus dry, comprising the following steps: S1. Raw material collection and pretreatment: After catching, the hippocampus is washed with fresh water to remove impurities, and the corresponding storage method is selected according to the storage requirement. Short-term storage uses -2°C salt water slurry pool to save for 5 days, and long-term storage uses liquid nitrogen quick freezing and then transfers to -30°C refrigerator to save for 3 months; S2. Batch thawing: After storage, the hippocampus is placed in a refrigerated 5°C water bath for slow thawing; S3. Softening treatment: After thawing, the hippocampus is immersed in a 1.5% NaCl solution at a temperature of 35°C for 20 minutes to restore the flexibility of the hippocampus body; S4. Shaping and drying: After softening treatment, artificial or mechanical tail clamping is used for hanging, and hot air circulation drying at 55°C is used until the moisture content is 10%, obtaining hippocampus dry products; S5. Product characteristics: straight body, natural color, no odor, no insect damage.

[0020] Example 3 A processing method of hippocampus dry, comprising the following steps: S1. Raw material collection and pretreatment: After catching, the hippocampus is washed with fresh water to remove impurities, and the corresponding storage method is selected according to the storage requirement. Short-term storage uses -2°C salt water slurry pool to save for 4 days, and long-term storage uses -80°C quick freezing and then transfers to -30°C refrigerator to save for 2.5 months; S2. Batch thawing: After storage, the hippocampus is placed in a refrigerated 4°C water bath for slow thawing; S3. Softening treatment: After thawing, the hippocampus is immersed in a 1% NaCl solution at a temperature of 32°C for 18 minutes to restore the flexibility of the hippocampus body; S4. Shaping and drying: After softening treatment, artificial or mechanical tail clamping is used for hanging, and hot air circulation drying at 50°C is used until the moisture content is 8%, obtaining hippocampus dry products; S5. Product characteristics: straight body, natural color, no odor, no insect damage.

[0021] Example 4 A processing method of dried sea horse, comprising the following steps: S1. Raw material collection and pretreatment: after fishing, the sea horse is washed with fresh water to remove impurities, and corresponding storage method is selected according to storage requirement; short-term storage adopts -1 ℃ salt water slurry pool preservation for 3 days, and long-term storage adopts -80 ℃ quick freezing and then -30 ℃ cold storage for 2 months; S2. Batch thawing: the stored sea horse is slowly thawed in a refrigerated 5 ℃ water bath; S3. Softening treatment: the thawed sea horse is soaked in a 1.5% NaCl solution with a temperature of 35 ℃ for 20 min to restore the flexibility of the sea horse body; S4. Shaping and drying: after softening treatment, the sea horse is hung by tail clamping through manual or mechanical method, and 50 ℃ hot air circulation drying is adopted until the moisture content is 8%, so that the dried sea horse product is obtained; S5. Product characteristics: straight body, natural color, no odor and no insect damage.

[0022] Example 5 A processing method of dried sea horse, comprising the following steps: S1. Raw material collection and pretreatment: after fishing, the sea horse is washed with fresh water to remove impurities, and corresponding storage method is selected according to storage requirement; short-term storage adopts -2 ℃ salt water slurry pool preservation for 5 days, and long-term storage adopts liquid nitrogen quick freezing and then -30 ℃ cold storage for 3 months; S2. Batch thawing: the stored sea horse is slowly thawed in a refrigerated 4 ℃ water bath; S3. Softening treatment: the thawed sea horse is soaked in a 1% NaCl solution with a temperature of 32 ℃ for 18 min to restore the flexibility of the sea horse body; S4. Shaping and drying: after softening treatment, the sea horse is hung by tail clamping through manual or mechanical method, and 40 ℃ hot air circulation drying is adopted until the moisture content is 5%, so that the dried sea horse product is obtained; S5. Product characteristics: straight body, natural color, no odor and no insect damage.

[0023] Example 6 A processing method of dried sea horse, comprising the following steps: S1. Raw material collection and pretreatment: after fishing, the sea horse is washed with fresh water to remove impurities, and corresponding storage method is selected according to storage requirement; short-term storage adopts -2 ℃ salt water slurry pool preservation for 4 days, and long-term storage adopts -80 ℃ quick freezing and then -30 ℃ cold storage for 2.5 months; S2. Batch thawing: the stored sea horse is slowly thawed in a refrigerated 4 ℃ water bath; S3. Softening treatment: the thawed sea horse is soaked in a 0.5% NaCl solution with a temperature of 30 ℃ for 15 min to restore the flexibility of the sea horse body; S4. Shaping and drying: After the softening treatment, the sea horse is hung by artificial or mechanical tail clamping, and is dried by 55°C hot air circulation to obtain a sea horse dry product with a moisture content of 10%; S5. Product characteristics: straight body, natural color, no odor, no insect damage.

[0024] Example 7 S1. Raw material collection and pretreatment: the caught sea horse is washed with fresh water to remove impurities, and the corresponding storage method is selected according to the storage requirement, short-term storage is stored in a-1°C salt water slurry pool for 3 days, and long-term storage is stored in a-80°C freezer for 2 months after quick freezing and then transferred to a-30°C refrigerator; S2. Batch thawing: the stored sea horse is slowly thawed in a refrigerated 4°C water bath; S3. Softening treatment: the thawed sea horse is soaked in a 1.5% NaCl solution at a temperature of 35°C for 20 min to restore the flexibility of the sea horse body; S4. Shaping and drying: After the softening treatment, the sea horse is hung by artificial or mechanical tail clamping, and is dried by 55°C hot air circulation to obtain a sea horse dry product with a moisture content of 10%; S5. Product characteristics: straight body, natural color, no odor, no insect damage.

[0025] Example 8 S1. Raw material collection and pretreatment: the caught sea horse is washed with fresh water to remove impurities, and the corresponding storage method is selected according to the storage requirement, short-term storage is stored in a-2°C salt water slurry pool for 5 days, and long-term storage is stored in a-30°C refrigerator for 2.6 months after quick freezing with liquid nitrogen; S2. Batch thawing: the stored sea horse is slowly thawed in a refrigerated 4.5°C water bath; S3. Softening treatment: the thawed sea horse is soaked in a 1% NaCl solution at a temperature of 32°C for 18 min to restore the flexibility of the sea horse body; S4. Shaping and drying: After the softening treatment, the sea horse is hung by artificial or mechanical tail clamping, and is dried by 55°C hot air circulation to obtain a sea horse dry product with a moisture content of 10%; S5. Product characteristics: straight body, natural color, no odor, no insect damage.

[0026] Comparative Example 1 S1. Raw material collection and pretreatment: the caught sea horse is washed with fresh water to remove impurities, and the corresponding storage method is selected according to the storage requirement, short-term storage is stored in a-2°C salt water slurry pool for 5 days, and long-term storage is stored in a-30°C refrigerator for 2.6 months after quick freezing with liquid nitrogen; S2. Batch thawing: the stored sea horse is slowly thawed in a refrigerated 4.5°C water bath; S3. Softening treatment: the thawed hippocampus is placed in a 1% NaCl solution at a temperature of 32°C for 8 min to restore the flexibility of the hippocampus; S4. Shaping and drying: after the softening treatment, the tail is hung by artificial or mechanical clamping, and hot air circulation drying at 40°C is used until the moisture content is 7%, to obtain the dried hippocampus product; S5. Product characteristics: straight body, natural color, no odor, no insect damage.

[0027] Experimental samples: select healthy hippocampus with consistent specifications (body length 5-8 cm, body weight 3-5 g), 30 samples per group, 3 parallel experiments.

[0028] Detection indexes: rigidity after thawing, flexibility after softening, product body shape pass rate, sensory evaluation (color, odor).

[0029] Detection standards: Rigidity: 1st grade (completely rigid, cannot be bent), 2nd grade (partially rigid, can be slightly bent), 3rd grade (no rigidity, good flexibility); Body shape pass rate: the proportion of samples with straight body shape (no tail bending, no body twisting); Sensory evaluation: full score 10 points.

[0030] Table 1: Performance test Item Degree of rigor after thawing Flexibility after softening Acceptance rate of posture of finished product (%) Color score Odor score Example 1 Grade 3 Grade 3 96.7 9.5 9.7 Example 2 Grade 3 Grade 3 97.9 9.6 9.5 Example 3 Grade 3 Grade 3 96.4 9.8 9.7 Example 4 Grade 3 Grade 3 98.2 9.4 9.6 Example 5 Grade 3 Grade 3 98.4 9.6 9.7 Example 6 Grade 3 Grade 3 97.1 9.4 9.5 Example 7 Grade 3 Grade 3 98.6 9.7 9.6 Example 8 Grade 3 Grade 3 97.5 9.5 9.6 Comparative Example 1 Grade 2 Grade 2 92.1 8.3 8.0 As can be seen from Table 1, the dried hippocampus product of the application has straight body, natural color, no odor, and stable quality.

[0031] It should be noted that in this text, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "includes a" does not exclude the presence of another identical element in the process, method, article or device that includes the element.

[0032] The above examples are only used to illustrate the technical solutions of the application, and not to limit it; although the application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the application.

[0033] Those skilled in the art will appreciate that the application described above is merely one embodiment of the application and that modifications can be made without departing from the spirit and scope of the application.

Claims

1. A method for processing dried seahorse, characterized in that, Includes the following steps: S1. Raw material harvesting and pretreatment: After the seahorses are caught, they are rinsed with fresh water to remove impurities. The appropriate storage method is selected according to the storage requirements. For short-term storage, they are stored in a brine ice slurry tank at -1 to -2℃. For long-term storage, they are quick-frozen with liquid nitrogen or quick-frozen at -80℃ and then transferred to a cold storage at -30℃. S2. Thawing in batches: Place the stored seahorses in a cold water bath to thaw slowly; S3. Softening treatment: Immerse the thawed seahorse in a 0.5-1.5% NaCl solution to restore its body flexibility; S4. Shaping and Drying: After softening, the seahorses are hung manually or mechanically with their tails clamped and dried using hot air circulation until the moisture content is 5-10%, thus obtaining the dried seahorse product. S5. Finished product characteristics: straight shape, natural color, no odor, and free from pests.

2. The processing method for dried seahorse according to claim 1, characterized in that, In S1, the short-term storage period is 3-5 days.

3. The processing method for dried seahorse according to claim 1, characterized in that, In S1, the long-term storage period is 2-3 months.

4. The processing method for dried seahorse according to claim 1, characterized in that, In S2, the temperature of the refrigerated water bath is 4-5℃.

5. The processing method for dried seahorse according to claim 1, characterized in that, In S3, the temperature of the NaCl solution is 30-35℃.

6. The processing method for dried seahorse according to claim 1, characterized in that, In step S3, the soaking time is 15-20 minutes.

7. The processing method for dried seahorse according to claim 1, characterized in that, In S4, the temperature of the hot air is 40-55℃.

8. A dried seahorse, characterized in that, It is prepared by the processing method according to any one of claims 1-7.