CN103988884A - Method for slaughtering of live soft-shelled turtle and low-temperature liquid-state quick-freezing fresh-keeping of slaughtered soft-shelled turtle - Google Patents
Method for slaughtering of live soft-shelled turtle and low-temperature liquid-state quick-freezing fresh-keeping of slaughtered soft-shelled turtle Download PDFInfo
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Abstract
The invention relates to an aquatic product fresh-keeping method and especially relates to a method for slaughtering of a live soft-shelled turtle and low-temperature liquid-state quick-freezing fresh-keeping of the slaughtered soft-shelled turtle. The method mainly solves the technical problem that the prior art can cause soft-shelled turtle cell membrane frost cracking in quick-freezing fresh-keeping so that the food acidizes and goes bad and thus after unfreezing, fresh aquatic food quality and taste are not kept and a unique local flavor of soft-shelled turtle is poor. The method comprises the following steps of slaughtering soft-shelled turtle by incising the neck of the soft-shelled turtle, collecting blood from the neck, carrying out immersion, carrying out membrane removal, carrying out cleaning, splitting the back, taking out internal organs, carrying out dehydration, carrying out immersion in special honey for antioxidation fishy smell-elimination treatment, carrying out honey removal, carrying out vacuum packaging, carrying out metal detection, carrying out immersion in a low-temperature liquid for quick-freezing, carrying out quick-freezing in a refrigeration storage for quick-freezing killing of parasites, carrying out packaging by a thermal insulation package box, putting the thermal insulation package box into a cold storage bag, sealing four sides of the cold storage bag, packaging the cold storage bag by a carton box, and transferring the carton box into a refrigeration storage for finished product storage.
Description
Technical field
The present invention relates to a kind of method for preserving aquatic products, especially relate to a kind of soft-shelled turtle low temperature liquid quick-freeze fresh-keeping method that kills alive.
Background technology
China is one of country of output of aquatic products maximum in the world, is also that unique cultivation amount exceedes the country of amount of fishing in the world.And along with the introduction of high-quality fresh water soft-shelled turtle with breed, the output of soft-shelled turtle is in continuous expansion.Soft-shelled turtle nourishing is worth abundant, and connective tissue is few, and the soft nutritive value of meat is very high.Chinese patent discloses a kind of soft-shelled turtle low temperature liquid quick-freeze fresh-keeping method (publication number: CN 103168825 A) that kills alive, it comprises the following steps: first aquatic products are cleaned to remove dirt impurity with cold water, then the aquatic products after cleaning being put into subacidity brine electrolysis soaks or stirs sterilization, aquatic products after sterilization processing are placed in foam safe, cover sterilization fresh-keeping ice, finally carry out joint sealing; The effective chlorine density Acc that is used for the subacidity brine electrolysis of soaking sterilization is 10-30ppm, pH value 5.0-6.5, and oxidation-reduction potential 0RP is 700-900mV; Sterilization fresh-keeping ice uses and above-mentioned identical subacidity brine electrolysis is made; Subacidity brine electrolysis is 2-10min for the time of soaking or stir; Subacidity brine electrolysis and the aquatic product quality using is than being 4-20:l; While stirring sterilization, rotor speed is at 500-2500rpm.But this preservation method is not suitable for the fresh-keeping of soft-shelled turtle, soft-shelled turtle can cause the bursting by freezing of soft-shelled turtle cell membrane in the time of cold storing and fresh-keeping, and food can produce acidifying and rotten, after thawing, cannot keep fresh aquatic food quality, and mouthfeel and soft-shelled turtle peculiar taste are poor.
Summary of the invention
The present invention is to provide a kind of soft-shelled turtle low temperature liquid quick-freeze fresh-keeping method that kills alive, it is mainly to solve the existing soft-shelled turtle of prior art in the time of cold storing and fresh-keeping, can cause the bursting by freezing of soft-shelled turtle cell membrane, food can produce acidifying and rotten, after thawing, cannot keep fresh aquatic food quality, the technical problem that mouthfeel and soft-shelled turtle peculiar taste are poor etc.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of soft-shelled turtle of the present invention lives and kills low temperature liquid quick-freeze fresh-keeping method, it is characterized in that described method comprises:
A. selecting disease-free high-quality soft-shelled turtle alive is raw material, and every soft-shelled turtle body weight 600-1250 gram supports in special storage pond, holding pond after soft-shelled turtle harvesting alive, and with supporting temporarily in sodium chloride brine, the season of stopping eating, temporarily foster 2-3 days, supported 4-6 days the season of eating food temporarily;
B. adopt soft-shelled turtle neck to slaughter and get blood, head is not cut down, after blood is processed, processing is used separately; Adopt hot-water soak soft-shelled turtle also to remove whole soft-shelled turtle adventitia, all remove being attached to the external algae of soft-shelled turtle, parasite type, silt particle class;
C. soft-shelled turtle carapace surrounding is opened and lifted carapace with cutter, take out built-inly and fatty, classification separately processing is processed, and wash clean is also wiped out toenail point, in order to avoid plastic packaging bag stings broken bag gas leakage in the time vacuumizing;
D. select extraordinary nectariferous plant honey to take off raw meat, by soft-shelled turtle be immersed in honey 2 hours above after with the de-honey of centrifuge;
E. adopt edible plastic bag film by specification by the soft-shelled turtle quantitative vacuum packaging of handling well, more vacuum-packed whole bag soft-shelled turtle is immersed in low temperature liquid and carries out quick-freezing fresh-keeping, then put into quick-freezer immediately until kill harmful parasite; After killing parasite, from quick-freezer, take out, pack immediately quantitative insulation packing case into, and after putting into cold storage bag, incubator surrounding seals, then pack upper outside carton, put into immediately freezer finished product and preserve.
Core process technology of the present invention is cut apart soft-shelled turtle cell membrane and can not caused bursting by freezing freezing, and suppresses the acidifying of food and rotten, keeps fresh aquatic food quality after thawing, and ensures mouthfeel and soft-shelled turtle peculiar taste and better quality.The one, can progressively change the consumption habit of buying the soft-shelled turtle that lives, solution people slaughter the inconvenience of cleaning to the soft-shelled turtle that lives; The 2nd, adopt the anti-oxidant deodorization technology of extraordinary honey, remove the strong strong fishy smell of soft-shelled turtle histidine; The 3rd, be conducive to enter electric business's Express Logistics channel and guarantee product brand orthodox school.
The present invention is a comprehensive supporting de-raw meat preservation technique, and from the processing method of expecting in source, application material is all by natural edible material.Key technology is to adopt low temperature liquid quick-frozen and salt, honey deodorization technology, is conducive to consumer and has by the soft-shelled turtle good Standard cultivation of agricultural, edible safety, tasty mouthfeel.
It is raw material that the present invention adopts by the disease-free high-quality of the good Standard cultivation of Chinese agriculture soft-shelled turtle alive, by the CCP of HACCP aquatic food raw material, meets after testing national Safety of Aquatic Products standard.
In the whole operating temperature that must be controlled at below 20 degree of slaughtering, the deadline is no more than 2 hours.
As preferably, seal after being filled with immediately-196 degree liquid nitrogen gases when described step e freezer outbound in incubator, and put carton.25 degree normal temperature arrive in lower 48 hours consumer on quality without impact, be conducive to so electric business's Express Logistics and sell.Be conducive to keep the quality of turtle proteins matter.
As preferably, soft-shelled turtle is divided into bulk, sheet by described step c, washes with water clean and drain the water.) have like this facilitate consumer can directly thaw culinary art various tastes soft-shelled turtle cuisines.
As preferably, the concentration of described sodium chloride brine is 1%.This concentration is best disinfection concentration.
As preferably, in described step b with 70-80 degree hot-water soak soft-shelled turtle and remove whole soft-shelled turtle adventitia.) can remove the external film of soft-shelled turtle and be attached to algae, parasite and the earth fishy smell of soft-shelled turtle body surface by this temperature.
As preferably, described step e by soft-shelled turtle adopt to detect through metal detector after the vacuum packaging of edible plastic bag film qualified.Be conducive to Product quality and safety.
As preferably, the time of in described step e, soft-shelled turtle being immersed in low temperature liquid is 8-12 minute.Be conducive to soft-shelled turtle short time anxious freezing to soft-shelled turtle central temperature-18 DEG C under the prerequisite of not destroying protein structure.
As preferably, in described step e, put into-35 degree quick-freezers and within 15 hours, can freeze to death and remain in parasite, the microbiology class of soft-shelled turtle body.
Therefore, the present invention is cut apart soft-shelled turtle cell membrane and can not caused bursting by freezing freezing, and suppresses the acidifying of food and rotten, keeps fresh aquatic food quality after thawing, and ensures mouthfeel and soft-shelled turtle peculiar taste and better quality.
Detailed description of the invention
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment: a kind of soft-shelled turtle of this example lives and kills low temperature liquid quick-freeze fresh-keeping method, the steps include:
A. adopting by the soft-shelled turtle disease-free alive of the good Standard cultivation of Chinese agriculture is raw material, by the CCP of HACCP aquatic food raw material, meets after testing national Safety of Aquatic Products standard, every soft-shelled turtle body weight 600-1250 gram; After the soft-shelled turtle harvesting of living, support in special storage pond, holding pond, with supporting temporarily in 1% sodium chloride brine, support 2 days the season of stopping eating temporarily, and food is supported 5 days season temporarily;
B. adopt soft-shelled turtle neck to slaughter and get blood, head is not cut down, after blood is processed, processing is used separately; Adopt 70-80 degree hot-water soak soft-shelled turtle also to remove whole soft-shelled turtle adventitia, must remove totally, all remove being attached to the external algae of soft-shelled turtle, parasite type, silt particle class;
C. soft-shelled turtle carapace surrounding is opened and lifted carapace with cutter, take out built-inly and fatty, classification separately processing is processed, and wash clean is also wiped out toenail point, in order to avoid plastic packaging bag stings broken bag gas leakage in the time vacuumizing; Cook sale according to client and need to whole, also may be partitioned into bulk, sheet except keeping, drain the water with running water wash clean;
D. with Special Anti oxidation honey deodorization technology be immersed in honey 2 hours above after with the de-honey of centrifuge;
E. adopt edible plastic bag film by specification quantitative vacuum packaging; It is qualified to detect through metal detector; Immerse 8-12 minute quick-freezing fresh-keeping in low temperature liquid through vacuum-packed whole bag soft-shelled turtle, do not destroy turtle proteins matter structure; Then put into immediately 15 hours kill harmful parasites of-35 degree quick-freezers; After killing parasite, from-35 degree freezers, take out, pack immediately special quantitative insulation packing case into, and after putting into cold storage bag, incubator surrounding seals, then pack upper outside carton, put into immediately-18 degree freezer finished products and preserve; Outbound must be inspected harmful microorganism qualified by random samples by lot number before selling and coming into the market and just can enter the market; Put on market after outbound is filled with-196 degree liquid nitrogen gases immediately in special incubator and seal, put paper and close; Outbound departs from freezer and immediately-196 degree liquid nitrogen is filled with to special foam thermal insulation box.
The foregoing is only specific embodiments of the invention, but architectural feature of the present invention is not limited to this, any those skilled in the art is in the field of the invention, and the variation of doing or modification are all encompassed among the scope of the claims of the present invention.
Claims (8)
1. soft-shelled turtle lives and kills a low temperature liquid quick-freeze fresh-keeping method, it is characterized in that described method comprises:
A. selecting the good soft-shelled turtle of disease-free work is raw material, and every soft-shelled turtle body weight 600-1250 gram supports in special storage pond, holding pond after the soft-shelled turtle harvesting of living, and with foster temporarily in sodium chloride brine, supports temporarily 2-3 days the season of stopping eating, food temporarily foster 4-6 days in season;
B. adopt soft-shelled turtle neck to slaughter and get blood, head is not cut down, after blood is processed, processing is used separately; Adopt hot-water soak soft-shelled turtle also to remove whole soft-shelled turtle adventitia, all remove being attached to the external algae of soft-shelled turtle, parasite type, silt particle class;
C. soft-shelled turtle carapace surrounding is opened and lifted carapace with cutter, take out built-inly and fatty, classification separately processing is processed, and wash clean is also wiped out toenail point, in order to avoid plastic packaging bag stings broken bag gas leakage in the time vacuumizing;
D. select extraordinary nectariferous plant honey, soft-shelled turtle is immersed in honey more than 2 hours after physical treatment after with the de-honey of centrifuge;
E. adopt edible plastic bag film by specification by the soft-shelled turtle quantitative vacuum packaging of handling well, more vacuum-packed whole bag soft-shelled turtle is immersed in low temperature liquid and carries out quick-freezing fresh-keeping, then put into quick-freezer immediately until kill harmful parasite; After killing parasite, from quick-freezer, take out, pack into immediately in quantitative interlayer heat-insulating packing case, and after putting into cold storage bag, incubator surrounding seals, then pack upper outside carton, put into immediately freezer finished product and preserve.
2. a kind of soft-shelled turtle according to claim 1 lives and kills low temperature liquid quick-freeze fresh-keeping method, seals after being filled with immediately-196 degree liquid nitrogen gases, and put carton while it is characterized in that described step e freezer outbound in incubator.
3. a kind of soft-shelled turtle according to claim 1 lives and kills low temperature liquid quick-freeze fresh-keeping method, it is characterized in that soft-shelled turtle is divided into bulk, sheet by described step c, washes with water clean and drains the water.
4. a kind of soft-shelled turtle according to claim 1 lives and kills low temperature liquid quick-freeze fresh-keeping method, it is characterized in that the concentration of described sodium chloride brine is 1%.
5. a kind of soft-shelled turtle according to claim 1 lives and kills low temperature liquid quick-freeze fresh-keeping method, it is characterized in that in described step b with 70-80 degree hot-water soak soft-shelled turtle and removes whole soft-shelled turtle adventitia.
6. a kind of soft-shelled turtle according to claim 1 lives and kills low temperature liquid quick-freeze fresh-keeping method, it is characterized in that described step e by soft-shelled turtle adopt to detect through metal detector after the vacuum packaging of edible plastic bag film qualified.
7. a kind of soft-shelled turtle according to claim 1 lives and kills low temperature liquid quick-freeze fresh-keeping method, it is characterized in that the time of in described step e, soft-shelled turtle being immersed in low temperature liquid is 8-12 minute.
8. a kind of soft-shelled turtle according to claim 1 lives and kills low temperature liquid quick-freeze fresh-keeping method, it is characterized in that putting into-35 degree quick-freezer 15 hours in described step e.
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| CN201310653312.8A CN103988884B (en) | 2013-12-09 | 2013-12-09 | A kind of soft-shelled turtle lives and kills low temperature liquid quick-freeze fresh-keeping method |
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| CN201310653312.8A CN103988884B (en) | 2013-12-09 | 2013-12-09 | A kind of soft-shelled turtle lives and kills low temperature liquid quick-freeze fresh-keeping method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105146585A (en) * | 2015-09-28 | 2015-12-16 | 杭州萧山天福生物科技有限公司 | Method for baking and roasting turtle and tortoise meat and bone sausages through honey |
| CN105918988A (en) * | 2016-04-11 | 2016-09-07 | 张智斌 | Health-preserving medicinal diet used for preventing and controlling tumour and preparation method thereof |
| CN106106705A (en) * | 2016-08-10 | 2016-11-16 | 汪恒森 | A kind of preservation method of Trionyx sinensis Wiegmann |
| CN106615020A (en) * | 2016-12-31 | 2017-05-10 | 马鞍山春盛生态农业有限公司 | Preservation method and processing technology of live-killed 5-7-year-old lotus turtle |
| CN107006754A (en) * | 2017-05-28 | 2017-08-04 | 李彦廷 | A kind of use bamboo fibre cloth bag preserves food, the method for foodstuff |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103168825A (en) * | 2013-03-19 | 2013-06-26 | 浙江大学 | Aquatic product sterilizing pre-treating and cold-preserving method |
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2013
- 2013-12-09 CN CN201310653312.8A patent/CN103988884B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103168825A (en) * | 2013-03-19 | 2013-06-26 | 浙江大学 | Aquatic product sterilizing pre-treating and cold-preserving method |
Non-Patent Citations (2)
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| 潘华等: "甲鱼的深加工及综合利用", 《北京水产》 * |
| 邓开荣等: "《川菜烹调诀窍》", 31 August 1990, 重庆出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105146585A (en) * | 2015-09-28 | 2015-12-16 | 杭州萧山天福生物科技有限公司 | Method for baking and roasting turtle and tortoise meat and bone sausages through honey |
| CN105146585B (en) * | 2015-09-28 | 2017-03-22 | 杭州萧山天福生物科技有限公司 | Method for baking and roasting turtle and tortoise meat and bone sausages through honey |
| CN105918988A (en) * | 2016-04-11 | 2016-09-07 | 张智斌 | Health-preserving medicinal diet used for preventing and controlling tumour and preparation method thereof |
| CN106106705A (en) * | 2016-08-10 | 2016-11-16 | 汪恒森 | A kind of preservation method of Trionyx sinensis Wiegmann |
| CN106615020A (en) * | 2016-12-31 | 2017-05-10 | 马鞍山春盛生态农业有限公司 | Preservation method and processing technology of live-killed 5-7-year-old lotus turtle |
| CN107006754A (en) * | 2017-05-28 | 2017-08-04 | 李彦廷 | A kind of use bamboo fibre cloth bag preserves food, the method for foodstuff |
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| CN103988884B (en) | 2016-01-20 |
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