CN102150698B - Freshness preservation method of abalone - Google Patents
Freshness preservation method of abalone Download PDFInfo
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- CN102150698B CN102150698B CN 201110049607 CN201110049607A CN102150698B CN 102150698 B CN102150698 B CN 102150698B CN 201110049607 CN201110049607 CN 201110049607 CN 201110049607 A CN201110049607 A CN 201110049607A CN 102150698 B CN102150698 B CN 102150698B
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Abstract
The invention discloses a freshness preservation method of the abalone. The method comprises the following steps of: sequentially performing the sterilizing treatment by ozone, the monomer ice temperature treatment and the ice glaze plating treatment on the cleaned abalone. After the freshness preservation abalone prepared by the method is refrigerated, the population number of the volatile salt basic nitrogen and the escherichia coli are lower than the national standard, and the dehydration ratio is less than 1.0%; and a abalone soft body is high in elasticity, free of peculiar smell, and intact in tissue. After the invention is used, the freshness and the tenderness of the abalone are effectively preserved.
Description
Technical field
The invention belongs to the marine products processing field, be specifically related to the preservation method of a kind of abalone.
Background technology
Abalone is a kind of ocean monoshell software shellfish, belongs to Mollusca, Gastropoda (monoshell guiding principle), and shell of seaear section (Bao Ke) is called as first of " seafood delights eight delicacies ".Abalone is comprised of shell and abdominal foot, and shell accounts for 40% of abalone gross weight, and the abdominal foot muscle hypertrophy is the main position that eats.The abalone fine and tender taste, meat flavour is delicious, and it is bright that it is dense to distinguish the flavor of clearly and oiliness, and since ancient times, abalone is used as the tribute of festival and special event and the gourmet food in restaurant with regard to being taken as lucky shellfish.Abalone is nutritious, and per 100 grams contain protein 64 grams in the dry products, fat 2 grams, and carbohydrate 3 grams also have mineral matter and the multivitamins such as calcium, phosphorus, iron of needed by human body.Correlative study shows, exist in the abalone body have antitumor, immunological regulation, the anti-bioactivator that stress wait function.In recent years, the medical value of abalone is approved by modern medicine.
Generally be two seasons of autumn in summer processing season of abalone, and traditional diamond-making technique mainly is to be processed into dried product or abalone can, and this two classes abalone products is occupied larger proportion in consumption, and the product of Fresh abalone fish and consumption all account for the less market share.If because adopt the fresh-keeping fresh and alive abalone of traditional modes such as quick-frozen, when thawing, nutriment, the soluble protein of abalone run off in a large number, a large amount of foams can occur in melt water, and the abalone meat is loose, and nutritive value reduces, and the delicate flavour sense descends, and loses original local flavor.
At present, the main live transport of method for preserving aquatic products, film, refrigeration, freezing, little freezing and ice temperature fresh-keeping.The live transport cost is high, is only applicable to the fresh-keeping of medium-to-high grade aquatic products, strictly is subjected to the restriction of time and region; Coating-film fresh-keeping is to utilize the macromolecular substances such as edibility coating such as sodium alginate, shitosan, sodium carboxymethylcellulose by the method for dip-coating, forms a coating film on the aquatic products surface, thereby realizes the purpose of preservation of fishery; Cold storing and fresh-keeping refers to place the environment more than 0 ℃ to refrigerate aquatic products, and freshness date is limited, is generally 3-5 d; Freeze the fresh-keeping cold storage of carrying out that refers to adopt temperature below-18 ℃, aquatic products can be preserved the long time, but freezing power consumption is high, and when thawing, the quality of aquatic products is suffered destruction in various degree, and the fresh water product has larger difference; Preservation by partial refers to that organism is deposited near (being generally-3 ℃) a kind of slight freezing method of its chill point, is also referred to as supercooling, is a kind of preservation technique that grew up in recent years; Ice temperature fresh-keeping refers to aquatic products are placed 0 ℃ to the preservation method of organism chill point temperature environment, be a kind of use extensively, quality preservation technique preferably.
Dissolved the Multiple components such as polysaccharide, salt, amino acid, peptide class, soluble protein in the biological cell, freezing point is lower than pure water, and this is the basis of ice temperature fresh-keeping.For stoping the formation of ice crystal in the body, (main component of non freezing solution is glucose can constantly to secrete a large amount of non freezing solutions in the animal and plant body, the acid of helium base, aspartic acid etc.) to reduce freezing point, in addition, various natural high molecular substances and compound thereof exist with the space network structure in the cell, make the movement of hydrone and approach and be subject to obstruction to a certain degree and produce and freeze to avoid, can reduce for the free water content that microorganism utilizes, therefore, food still can keep cytoactive in the narrow and small temperature band between 0 ℃ and the chill point, respiratory metabolism and old and feeble speed slow down, with respect to refrigeration, the ice temperature below 0 ℃ can more effectively suppress the harmful microbe growth.The ice temperature fresh-keeping treatment temperature has the consumption that reduces energy close to chill point but be higher than chill point, guarantees to greatest extent food value, keeps the intact advantage of institutional framework.But the available temperature range of ice temperature fresh-keeping is narrow and small, is generally-0.5 ℃ ~-2.0 ℃, so strict to the stability requirement of temperature.
Authorize publication number be CN200610130188 patent of invention a kind of processing method of instant abalone is disclosed, it is that pack added water-stop after fresh and alive abalone was cleaned, under 300 ~ 800MPa environment, process 3 ~ 30min, under the effect of super-pressure, make bacteria inactivation rate, do Preservation Treatment by general measures again, can keep most of nutrition of abalone, a large amount of vitamin, amino acid isoreactivity composition, be of high nutritive value tasty mouthfeel.HIGH PRESSURE TREATMENT can keep fresh and tender, the fine mouthfeel of abalone preferably, and the nutritive value loss is also less, but will obtain the high pressure of 300 ~ 800Mpa, to having relatively high expectations of equipment, and will obtain stable high pressure, and technical difficulty is high.
Summary of the invention
Technical problem to be solved by this invention provides the preservation method of a kind of abalone.The method can keep the tender degree of abalone effectively, and loose, the dehydration of meat, the cell liquid problem such as exosmose has reduced the loss of nutritional labeling when having avoided abalone to thaw; The abalone software is flexible, and free from extraneous odour has guaranteed quality and the quality of abalone.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
The preservation method of a kind of abalone, the method may further comprise the steps:
(1) preliminary treatment: with fresh abalone decladding, get meat, clean;
(2) ozone bacteria reducing processing
Adopt Ozone Water to carry out the bacteria reducing processing, the concentration of Ozone Water is 1.0 mg/L ~ 1.5mg/L, and the processing time is 10min ~ 15min, and water temperature is 10 ℃ ~ 15 ℃, and the mass ratio of described abalone and Ozone Water is 1:1 ~ 3; Being preferably consistency of ozone water is 1.2 mg/L ~ 1.5mg/L, and the processing time is 10min ~ 12min, and water temperature is 10 ℃ ~ 12 ℃, and the mass ratio of described abalone and Ozone Water is 1:1 ~ 2.
Ozone is a kind of strong oxidizer, can act on the cell membrane of microorganism, directly destroys its DNA or RNA, hinders the metabolism of microorganism and suppresses its growth, has strong bactericidal action.
The abalone taste is fresh and tender, after heat treatment, the meat hardening, edible quality greatly descends.Ozone sterilization is a kind of non-heat sterilization technology, and its solubility in water raises with the reduction of water temperature, therefore, can obtain good bactericidal effect under lower temperature, when being used for abalone bacteria reducing processing, can keep the fresh and tender quality of abalone.
Half-life of ozone is short, and under normal circumstances, the half-life in water is 20min, after a period of time, can all become oxygen, and ozone free is residual, and the edible safety of abalone is had no adverse effect.
(3) monomer ice temperature is processed
Abalone is taken out from Ozone Water, drain surface moisture, through the individual quick freezing device, abalone is carried out monomer ice temperature process, make the geometric center temperature of abalone reach-1 ℃ ± 0.5 ℃.
Condition when described monomer ice temperature is processed is: inlet amount is 150 ~ 180kg/h, and feeding temperature is 10 ℃ ~ 15 ℃; Cold air temperature in the quick-freezing plant is-15 ℃ ~-20 ℃, and the cold air flow velocity in the first district is 5m/s ~ 6m/s, and the cold air flow velocity of Second Region is 4m/s ~ 5m/s; The monomer ice temperature processing time is 6min ~ 10min.
This monomer is iced warm treatment conditions more preferably: inlet amount is 150 ~ 160kg/h, and feeding temperature is 10 ℃ ~ 12 ℃; Cold air temperature in the quick-freezing plant is-15 ℃ ~-18 ℃, and the cold air flow velocity in the first district is 5.5m/s ~ 6m/s, and the cold air flow velocity of Second Region is 4m/s ~ 4.5m/s; The monomer ice temperature processing time is 6min ~ 8min.
During the temperate zone, various natural high molecular substances and compound thereof exist with the space network structure in the animal and plant cells at ice, and the movement of hydrone and approach and be subject to obstruction to a certain degree and produce and freeze to avoid can utilize free water content to reduce.Therefore, when abalone was in the ice temperate zone, the activity of microorganism and breeding all were suppressed, and have guaranteed to greatest extent the nutritive value of abalone and the integrality of institutional framework.In addition, the ice temperature fresh-keeping treatment temperature has the advantage of consuming little energy close to chill point but be higher than chill point.
Generally, quick-freezing plant is the equipment of realizing that marine product and fruits and vegetables monomer freeze.The present invention realizes the monomer ice temperature processing of abalone with quick-freezing plant.The abalone monomer on the stainless steel conveyer belt, cold wind under the guipure to up-draught, the abalone monomer by high wind around, be in suspended state, obtain at short notice the geometric center temperature and be-1 ℃ ± 0.5 ℃ monomer abalone.Processing time is short, can keep largely the fresh and tender mouthfeel of abalone.
(4) plating water glaze is processed
Abalone is taken out from the individual quick freezing device, immerse immediately in 2 ℃ ~ 6 ℃ water, soak 2s ~ 6s, the abalone surface forms the layer of transparent ice sheet; Being preferably water temperature is 2 ℃ ~ 4 ℃, and soak time is 3s ~ 5s.
The principle that plating water glaze is processed is that the water of relatively high-temperature is when touching the abalone of lower temperature, the water on abalone surface is the uniform thin ice of knot a layer thickness rapidly, this layer thin ice are that abalone has been made a microenvironment, the to a certain extent impact of insulation external environment.
Plating water glaze is processed and is wanted rapidly, otherwise the time of contact of abalone and water is long, and the thin ice of formation can melt, and infiltrates in the abalone tissue, and plating water glaze is processed and lost practical significance.
(5) packing, packaging material can be used sealed polyethylene plastic
That the sealed polyethylene plastic packaging material have is transparent, nontoxic, gas permeability is poor, the characteristic such as shock-resistant under the low temperature, is conducive to prevent drying loss and oxidation.During packing, gas leakage is wanted tightly, is prevented in sealing.
(6) refrigeration, refrigerated storage temperature is-3 ℃ ± 1 ℃.
The invention has the advantages that:
1, ozone bacteria reducing processing of the present invention, the problem that meat is hard, mouthfeel is poor of having avoided abalone heat treatment sterilization to bring, and also consumption is few, and the half-life is short, and catabolite is oxygen, and the abalone edible safety is had no adverse effect.
2, monomer ice temperature of the present invention is processed, and uses quick-freezing plant, makes the abalone central temperature be reduced to very soon the ice temperature state, and the processing time is short, compares with other cold storage modes.Characteristics with consuming little energy.Can keep to greatest extent the fresh and tender mouthfeel of abalone and the integrality of tissue.In addition, the abalone that the monomer ice temperature fresh-keeping is processed needn't be through thawing processing, organizes the quality problem such as defeated and dispersed, that cell liquid exosmoses after having avoided abalone to thaw, and guarantees to greatest extent the perfect of the fresh and tender mouthfeel of abalone and institutional framework.
3, plating water glaze of the present invention is processed, and for abalone has been made a microenvironment, the to a certain extent impact of insulation external environment is to the booster action that maintains of abalone ice temperature state.
4, the fresh-keeping abalone mouthfeel of the inventive method preparation is fresh and tender, and percentage of water loss is below 1.0%, and TVB-N content and coliform number average are lower than national standard (concrete data are seen embodiment result); The high resilience of abalone software, free from extraneous odour is organized perfect.
5, the inventive method has kept the quality of abalone effectively, has good practical value and application prospect.
The specific embodiment mode
Below in conjunction with specific embodiment, further set forth the present invention.But these embodiment only limit to the present invention is described and are not used in restriction protection scope of the present invention.
The abalone of using in the embodiment of the invention is haliotis discus hannai Ino, and the abalone of other kinds all is applicable to the present invention.
Embodiment 1
1, cleans abalone
Select the whippy fresh and alive abalone of software part, place rinse bath to clean, remove black film and silt on the foot sucker, when brush is extremely white, with cutter the abalone software is dug out, then pluck internal organ and tooth, again clean with clear water;
2, ozone bacteria reducing processing
The ozone that ozone generator is produced pumps in the water, will place Ozone Water to soak through pretreated abalone, after being disposed, abalone is pulled out, drains surface moisture.Described consistency of ozone water is 1.0mg/L, and the processing time is 10min, and water temperature is 10 ℃, and the mass ratio of abalone and Ozone Water is 1:1;
3, monomer ice temperature is processed
Make the abalone monomer evenly send on the stainless steel foraminous conveyer of quick-freezing plant through vibration material distributor, enter quick-freezing plant through transmission, strong cold wind be subjected to from bottom to top act on the abalone monomer, make each face of abalone monomer all be subject to cold wind and stream, make the geometric center temperature of abalone drop to fast-1 ℃ ± 0.5 ℃.The condition that described monomer ice temperature is processed is: inlet amount is 150kg/h, and feeding temperature is 10 ℃; Cold air temperature in the quick-freezing plant is-15 ℃, and the cold air flow velocity in the first district is 5.0m/s, and the cold air flow velocity of Second Region is 4.0m/s; The monomer ice temperature processing time is 6min;
4, plating water glaze is processed
The abalone that monomer ice temperature is disposed is taken out from quick-freezing plant, immerse immediately in 2 ℃ of water and soak 2s, make the abalone surface form the layer of transparent ice sheet; When soaking in water, the abalone individuality will spread out, and guarantees that whole abalone surface can both plate one deck thin ice;
5, metering and packing
The abalone of plating water glaze is counted heavily packing, packaging material sealed polyethylene plastic according to actual needs;
6, refrigeration is processed
Place freezer to refrigerate packaged abalone, cold store temperature-3 ℃ ± 1 ℃.
Measure the property indices of the fresh-keeping abalone that makes after the refrigeration, carry out as follows the mensuration of fresh-keeping abalone performance indications:
Adopt weight minimizing method to measure the abalone percentage of water loss;
Abalone weight (g) * 100% before percentage of water loss (%)=(abalone weight (g) after abalone weight (g) before processing-processing) ÷ processes
(NY/T1180-2006) measure the tender degree of fresh-keeping abalone according to agriculture standard " the mensuration shearing force determination method of the tender degree of meat ";
Measure the TVB-N content of fresh-keeping abalone according to national standard " analytical method of meat and meat products sanitary standard " (GB/T 5009.44-2003);
(GB/T4789.3-2010) measure the coliform group count of fresh-keeping abalone according to national standard " food security national standard food microbiological analysis coliform counting ";
(NY/T1329-2007) fresh-keeping abalone is carried out subjective appreciation according to agriculture standard " pollution-free food seawater shellfish ".
Measurement result is shown in Table 1.
Embodiment 2
1, cleans abalone
Select the whippy fresh and alive abalone of software part, place rinse bath to clean, remove black film and silt on the foot sucker, when brush is extremely white, with cutter the abalone software is dug out, then pluck internal organ and tooth, again clean with clear water;
2, ozone bacteria reducing processing
The ozone that ozone generator is produced pumps in the water, will place Ozone Water to soak through pretreated abalone, after being disposed, abalone is pulled out, drains surface moisture.Consistency of ozone water is 1.3mg/L, and the processing time is 12min, and water temperature is 15 ℃, and the mass ratio of abalone and Ozone Water is 1:3;
3, monomer ice temperature is processed
Make the abalone monomer evenly send on the stainless steel foraminous conveyer of quick-freezing plant through vibration material distributor, enter quick-freezing plant through transmission, strong cold wind be subjected to from bottom to top act on the abalone monomer, make each face of abalone monomer all be subject to cold wind and stream, make the geometric center temperature of abalone drop to fast-1 ℃ ± 0.5 ℃.The condition that described monomer ice temperature is processed is: inlet amount is 180kg/h, and feeding temperature is 11 ℃; Cold air temperature in the quick-freezing plant is-15 ℃, and the cold air flow velocity in the first district is 6m/s, and the cold air flow velocity of Second Region is 5m/s; The monomer ice temperature processing time is 10min;
4, plating water glaze is processed
The abalone that monomer ice temperature is disposed is taken out from quick-freezing plant, immerse immediately in 6 ℃ of water and soak 6s, make the abalone surface form the layer of transparent ice sheet; When soaking in water, the abalone individuality will spread out, and guarantees that whole abalone surface can both plate one deck thin ice;
5, metering and packing
The abalone of plating water glaze is counted heavily packing, packaging material sealed polyethylene plastic according to actual needs;
6, refrigeration is processed
Place freezer to refrigerate packaged abalone, cold store temperature-3 ℃ ± 1 ℃.
Measure the property indices of the fresh-keeping abalone that makes after the refrigeration, measurement result is shown in Table 1.
Embodiment 3
1, cleans abalone
Select the whippy fresh and alive abalone of software part, place rinse bath to clean, remove black film and silt on the foot sucker, when brush is extremely white, with cutter the abalone software is dug out, then pluck internal organ and tooth, again clean with clear water;
2, ozone bacteria reducing processing
The ozone that ozone generator is produced pumps in the water, will place Ozone Water to soak through pretreated abalone, after being disposed, abalone is pulled out, drains surface moisture.Consistency of ozone water is 1.2 mg/L, and the processing time is 12min, and water temperature is 12 ℃, and the mass ratio of described abalone and Ozone Water is 1:2;
3, monomer ice temperature is processed
Make the abalone monomer evenly send on the stainless steel foraminous conveyer of quick-freezing plant through vibration material distributor, enter quick-freezing plant through transmission, strong cold wind be subjected to from bottom to top act on the abalone monomer, make each face of abalone monomer all be subject to cold wind and stream, make the geometric center temperature of abalone drop to fast-1 ℃ ± 0.5 ℃.The condition that described monomer ice temperature is processed is: inlet amount is 165kg/h, and feeding temperature is 12 ℃; Cold air temperature in the quick-freezing plant is-17 ℃, and the cold air flow velocity in the first district is 5.5m/s, and the cold air flow velocity of Second Region is 4.5m/s; The monomer ice temperature processing time is 8min;
4, plating water glaze is processed
The abalone that monomer ice temperature is disposed is taken out from quick-freezing plant, immerse immediately in 4 ℃ of water and soak 4s, make the abalone surface form the layer of transparent ice sheet; When soaking in water, the abalone individuality will spread out, and guarantees that whole abalone surface can both plate one deck thin ice;
5, metering and packing
The abalone of plating water glaze is counted heavily packing, packaging material sealed polyethylene plastic according to actual needs;
6, refrigeration is processed
Place freezer to refrigerate packaged abalone, cold store temperature-3 ℃ ± 1 ℃.
Measure the property indices of the fresh-keeping abalone that makes after the refrigeration, measurement result is shown in Table 1.
Embodiment 4
1, cleans abalone
Select the whippy fresh and alive abalone of software part, place rinse bath to clean, remove black film and silt on the foot sucker, when brush is extremely white, with cutter the abalone software is dug out, then pluck internal organ and tooth, again clean with clear water;
2, ozone bacteria reducing processing
The ozone that ozone generator is produced pumps in the water, will place Ozone Water to soak through pretreated abalone, after being disposed, abalone is pulled out, drains surface moisture.Consistency of ozone water is 1.4 mg/L, and the processing time is 12min, and water temperature is 13 ℃, and the mass ratio of described abalone and Ozone Water is 1:2;
3, monomer ice temperature is processed
Make the abalone monomer evenly send on the stainless steel foraminous conveyer of quick-freezing plant through vibration material distributor, enter quick-freezing plant through transmission, strong cold wind be subjected to from bottom to top act on the abalone monomer, make each face of abalone monomer all be subject to cold wind and stream, make the geometric center temperature of abalone drop to fast-1 ℃ ± 0.5 ℃.The condition that described monomer ice temperature is processed is: inlet amount is 160kg/h, and feeding temperature is 13 ℃; Cold air temperature in the quick-freezing plant is-16 ℃, and the cold air flow velocity in the first district is 5.8m/s, and the cold air flow velocity of Second Region is 4.2m/s; The monomer ice temperature processing time is 7min;
4, plating water glaze is processed
The abalone that monomer ice temperature is disposed is taken out from quick-freezing plant, immerse immediately in 3 ℃ of water and soak 4s, make the abalone surface form the layer of transparent ice sheet; When soaking in water, the abalone individuality will spread out, and guarantees that whole abalone surface can both plate one deck thin ice;
5, metering and packing
The abalone of plating water glaze is counted heavily packing, packaging material sealed polyethylene plastic according to actual needs;
6, refrigeration is processed
Place freezer to refrigerate packaged abalone, cold store temperature-3 ℃ ± 1 ℃.
Measure the property indices of the fresh-keeping abalone that makes after the refrigeration, measurement result is shown in Table 1.
Embodiment 5
1, cleans abalone
Select the whippy fresh and alive abalone of software part, place rinse bath to clean, remove black film and silt on the foot sucker, when brush is extremely white, with cutter the abalone software is dug out, then pluck internal organ and tooth, again clean with clear water;
2, ozone bacteria reducing processing
In the ozone pump people water with the ozone generator generation, will place Ozone Water to soak through pretreated abalone, after being disposed, abalone be pulled out, drain surface moisture.Consistency of ozone water is 1.5mg/L, and the processing time is 15min, and water temperature is 15 ℃, and the mass ratio of described abalone and Ozone Water is 1:3;
3, monomer ice temperature is processed
Make the abalone monomer evenly send on the stainless steel foraminous conveyer of quick-freezing plant through vibration material distributor, enter quick-freezing plant through transmission, strong cold wind be subjected to from bottom to top act on the abalone monomer, make each face of abalone monomer all be subject to cold wind and stream, make the geometric center temperature of abalone drop to fast-1 ℃ ± 0.5 ℃.The condition that described monomer ice temperature is processed is: inlet amount is 170kg/h, and feeding temperature is 14 ℃; Cold air temperature in the quick-freezing plant is-19 ℃, and the cold air flow velocity in the first district is 5.2m/s, and the cold air flow velocity of Second Region is 4.7m/s; The monomer ice temperature processing time is 9min;
4, plating water glaze is processed
The abalone that monomer ice temperature is disposed is taken out from quick-freezing plant, immerse immediately in 4 ℃ of water and soak 5s, make the abalone surface form the layer of transparent ice sheet; When soaking in water, the abalone individuality will spread out, and guarantees that whole abalone surface can both plate one deck thin ice;
5, metering and packing
The abalone of plating water glaze is counted heavily packing, packaging material sealed polyethylene plastic according to actual needs;
6, refrigeration is processed
Place freezer to refrigerate packaged abalone, cold store temperature-3 ℃ ± 1 ℃.
Measure the property indices of the fresh-keeping abalone that makes after the refrigeration, measurement result is shown in Table 1.
Embodiment 6
1, cleans abalone
Select the whippy fresh and alive abalone of software part, place rinse bath to clean, remove black film and silt on the foot sucker, when brush is extremely white, with cutter the abalone software is dug out, then pluck internal organ and tooth, again clean with clear water;
2, ozone bacteria reducing processing
In the ozone pump people water with the ozone generator generation, will place Ozone Water to soak through pretreated abalone, after being disposed, abalone be pulled out, drain surface moisture.Consistency of ozone water is 1.1mg/L, and the processing time is 12min, and water temperature is 12 ℃, and the mass ratio of described abalone and Ozone Water is 1:1;
3, monomer ice temperature is processed
Make the abalone monomer evenly send on the stainless steel foraminous conveyer of quick-freezing plant through vibration material distributor, enter quick-freezing plant through transmission, strong cold wind be subjected to from bottom to top act on the abalone monomer, make each face of abalone monomer all be subject to cold wind and stream, make the geometric center temperature of abalone drop to fast-1 ℃ ± 0.5 ℃.The condition that described monomer ice temperature is processed is: inlet amount is 175kg/h, and feeding temperature is 11 ℃; Cold air temperature in the quick-freezing plant is-16 ℃, and the cold air flow velocity in the first district is 5.7m/s, and the cold air flow velocity of Second Region is 4.4m/s; The monomer ice temperature processing time is 7min;
4, plating water glaze is processed
The abalone that monomer ice temperature is disposed is taken out from quick-freezing plant, immerse immediately in 5 ℃ of water and soak 3s, make the abalone surface form the layer of transparent ice sheet; When soaking in water, the abalone individuality will spread out, and guarantees that whole abalone surface can both plate one deck thin ice;
5, metering and packing
The abalone of plating water glaze is counted heavily packing, packaging material sealed polyethylene plastic according to actual needs;
6, refrigeration is processed
Place freezer to refrigerate packaged abalone, cold store temperature-3 ℃ ± 1 ℃.
Measure the property indices of the fresh-keeping abalone that makes after the refrigeration, measurement result is shown in Table 1.
Interpretation of result:
1, the fresh-keeping abalone percentage of water loss that makes of the present invention is low, and mouthfeel is fresh and tender, and software is rich in flexible, and free from extraneous odour is organized perfectly, has higher organoleptic quality and edible quality.
2, NY/T1329-2007 regulation: T-VBN≤15 mg/100g, coliform≤230MPN/100g.After the fresh-keeping abalone refrigeration that the inventive method makes, T-VBN and coliform all are lower than national standard, have guaranteed edible security.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here can't give all embodiments exhaustive.Everyly belong to the row that apparent variation that technical scheme of the present invention extends out or change still are in protection scope of the present invention.
Claims (6)
1. the preservation method of an abalone is characterized in that, the method may further comprise the steps:
(1) preliminary treatment: with fresh abalone decladding, get meat, clean;
(2) ozone bacteria reducing processing
Adopt Ozone Water to carry out the bacteria reducing processing, the concentration of Ozone Water is 1.0 mg/L～1.5mg/L, and the processing time is 10min～15min, and water temperature is 10 ℃～15 ℃, and the mass ratio of described abalone and Ozone Water is 1:1～3;
(3) monomer ice temperature is processed
Abalone is taken out from Ozone Water, drain surface moisture, through the individual quick freezing device, abalone is carried out monomer ice temperature process, make the geometric center temperature of abalone reach-1 ℃ ± 0.5 ℃;
Wherein, the condition of described monomer ice temperature processing is: inlet amount is 150～180kg/h, and feeding temperature is 10 ℃～15 ℃; Cold air temperature in the quick-freezing plant is-15 ℃～-20 ℃, and the cold air flow velocity in the first district is 5m/s～6m/s, and the cold air flow velocity of Second Region is 4m/s～5m/s; The monomer ice temperature processing time is 6min～10min;
(4) plating water glaze is processed
Abalone is taken out from the individual quick freezing device, immerse immediately in 2 ℃～6 ℃ water, soak time is 2s～6s, and the abalone surface forms the layer of transparent ice sheet;
(5) packing;
(6) refrigeration.
2. the preservation method of abalone according to claim 1 is characterized in that, in the step (3), the condition that described monomer ice temperature is processed is: inlet amount is 150～160kg/h, and feeding temperature is 10 ℃～12 ℃; Cold air temperature in the quick-freezing plant is-15 ℃～-18 ℃, and the cold air flow velocity in the first district is 5.5m/s～6m/s, and the cold air flow velocity of Second Region is 4m/s～4.5m/s; The monomer ice temperature processing time is 6min～8min.
3. the preservation method of abalone according to claim 1 is characterized in that, in the step (2), consistency of ozone water is 1.2 mg/L～1.5mg/L, processing time is 10min～12min, and water temperature is 10 ℃～12 ℃, and the mass ratio of described abalone and Ozone Water is 1:1～2.
4. the preservation method of abalone according to claim 1 is characterized in that, when plating water glaze was processed in the step (4), water temperature was 2 ℃～4 ℃, and soak time is 3s～5s.
5. the preservation method of abalone according to claim 1 is characterized in that, in the step (5), packaging material are sealed polyethylene plastic.
6. the preservation method of abalone according to claim 1 is characterized in that, in the step (6), refrigerated storage temperature is-3 ℃ ± 1 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110049607 CN102150698B (en) | 2011-03-02 | 2011-03-02 | Freshness preservation method of abalone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110049607 CN102150698B (en) | 2011-03-02 | 2011-03-02 | Freshness preservation method of abalone |
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| CN103125582A (en) * | 2013-03-15 | 2013-06-05 | 中国水产科学研究院渔业机械仪器研究所 | Pseudosciaena crocea rapid-freezing preservation process |
| CN103416790A (en) * | 2013-07-31 | 2013-12-04 | 安徽绍峰实业集团股份有限公司 | Frozen abalone processing technology |
| CN103931743A (en) * | 2014-04-23 | 2014-07-23 | 中国农业科学院北京畜牧兽医研究所 | Method for washing and sterilizing bodies and/or meat pieces of livestock and poultry by utilizing ozone water |
| CN104757093A (en) * | 2015-04-07 | 2015-07-08 | 莆田市汇丰食品工业有限公司 | Quick-freezing method for improving taste and quality of abalone |
| CN107439663A (en) * | 2017-09-11 | 2017-12-08 | 海之星（福建）远洋渔业有限公司 | A kind of tuna freezing method suitable for the ship of ocean |
| CN108094818A (en) * | 2017-12-22 | 2018-06-01 | 钦州市钦州港永健水产贸易有限公司 | A kind of abalone preservation method |
| CN109566714A (en) * | 2019-01-21 | 2019-04-05 | 上海海洋大学 | A kind of method of the fresh-keeping tuna of ozone microbubbles water |
| CN111990451A (en) * | 2020-07-14 | 2020-11-27 | 福建海文铭海洋科技发展有限公司 | Anti-cracking method for frozen abalones |
| CN115226757A (en) * | 2022-06-24 | 2022-10-25 | 福建省农业科学院农业工程技术研究所 | Method for quick-freezing abalone with shell by using edible fungus oligopeptide |
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