CN106879716A - A kind of quick-thawing technology for freezing stripped tuna - Google Patents
A kind of quick-thawing technology for freezing stripped tuna Download PDFInfo
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- CN106879716A CN106879716A CN201710049295.5A CN201710049295A CN106879716A CN 106879716 A CN106879716 A CN 106879716A CN 201710049295 A CN201710049295 A CN 201710049295A CN 106879716 A CN106879716 A CN 106879716A
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- stripped tuna
- tuna
- thawing
- microwave
- stripped
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/06—Freezing; Subsequent thawing; Cooling
- A23B4/07—Thawing subsequent to freezing
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- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
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- Meat, Egg Or Seafood Products (AREA)
Abstract
The present invention relates to a kind of defreezing method for stripped tuna, comprise the following steps：1) by required stripped tuna, rapid taking-up is put into 50~90s of immersion in the salt solution that 20~30 DEG C of mass concentration is 1~3% from 50~60 DEG C of freezing environment；2）Then soaked stripped tuna is put into and in microwave container and can be put into micro-wave oven and carries out microwave thawing.The present invention has the advantages that process is simple, easy to operate, low production cost, environment friendly and pollution-free, quality, color and luster, freshness and microorganism to stripped tuna have significant holding to act on, the mouthfeel that can preferably keep stripped tuna is mellow and full, bright, meat high resilience the characteristics of, Shelf-life, the processing of this preciousness flesh of fish species of tuna is applicable to, is with a wide range of applications.
Description
Technical field
The present invention relates to a kind of aquatic products quick-thawing technology, more particularly, to a kind of quick-thawing skill for freezing stripped tuna
Art.
Background technology
Stripped tuna, is commonly called as bomb fish, and category perch shape catalogue, tuna suborder, Thunnidae, are water warm upper strata straddling fish stocks,
Its meat is tender, rich in protein, fat, vitamin A, D and trace element, especially DHA（DHA）With 20
Carbon 5 alkene acid（EPA）Deng n-3 polyunsaturated fatty acids（PUFA）, methionine, taurine, mineral matter equal size enriches, and is international
The healthy food of NI's keypoint recommendation.
In order to keep the high-quality of stripped tuna, freezing is protected under needing to be placed on -55 DEG C of cryogenic conditions as early as possible after stripped tuna capture
Hide, this requires that people's processing and utilization has to pass through rational defrosting when freezing golden rifle stripped tuna, original preferably to recover its
Fresh state and characteristic.Rational thawing mode is to maintain the key of stripped tuna quality especially color and luster and freshness, if thawing not
When can then cause the factor such as flesh of fish value of chromatism, myoglobin content, micro organism quantity, pH, K value and histamine content towards unfavorable
Direction is developed, and causes stripped tuna to oppress the change of color and luster and freshness, the quality of final influence stripped tuna.But in actual processing
In, defreezing method is often ignored by people.
At present, the conventional defreezing method of tuna block has standing air thawing, naturally to thaw, microwave thawing etc., above-mentioned side
Method cuts both ways, and it is driving force that such as air thawing is mainly by medium and the temperature difference for freezing storeroom, is solved by heat transfer
Freeze, thawing time is long, easily polluted by microorganism, juice loss is more, the final poor product quality for obtaining；Naturally to thaw is by frozen product
It is placed in the environment of room temperature and is thawed, heat exchange effect is poor, and thawing time is more long, and occur that upper strata cuts meat and has solved
Freeze, juice flows to lower floor, runs into the cold situation for cutting meat and build-uping ice, cause defrosting unbalanced, purge loss amount is big, taste
The problems such as thin out, lighter；During microwave thawing, solute during food defrosting redistribution so that part water is with higher dense
Degree is present, and the absorbability to microwave is also relatively strong, so as to result in the problem of thaw unbalanced and hot-spot so that food
Quality reduction.Above-mentioned thawing mode is unable to targetedly meet the defrosting treatment before tuna processing, can seriously damage
Harmful its quality causes adverse consequences.Research for tuna block defreezing method is rarely reported, it is therefore desirable to develop a kind of pin
For the defreezing method of stripped tuna, the distinctive quality of stripped tuna, color and luster and freshness can not only be kept, and it is simple and easy to apply.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of quick-thawing technology for freezing stripped tuna, can not only be notable
The peculiar color and luster and freshness of stripped tuna are kept, delicious meat is soft, and fishy smell is not obvious, Shelf-life, and simple to operate, practicality
Property is strong.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of quick-thawing technology for freezing stripped tuna,
Comprise the following steps：
1) it is 1 by the required stripped tuna mass concentration that rapid taking-up is put into 20~30 DEG C from -50~-60 DEG C of freezing environment
50~90s is soaked in~3% salt solution；
2）Then soaked stripped tuna is put into and in microwave container and can be put into micro-wave oven and carries out microwave thawing.
Step 1）The phenolic acid of pine nut extraction and 0.01-0.1% in middle salt solution also containing 0.01-0.1%.
Preferably, the mass concentration of above-mentioned salt solution is 2%, and the temperature of above-mentioned salt solution is 25 DEG C, and above-mentioned soak time is
70s。
It is preferred that it is above-mentioned can the Capacity Ratio of microwave container and the micro-wave oven be 1：4-15.
It is preferred that the power that above-mentioned microwave thawing is used is 280-350w, the time is 4-8min.
After microwave thawing, the central temperature of frozen food is -2-4 DEG C.
The frequency of micro-wave oven is 2450Hz, and general power is 700-800w.
The present invention has the following advantages that compared with prior art：The defreezing method of frozen food of the present invention, it is not necessary to
The large-scale microwave thawing equipment of specialty, need to only utilize normal domestic use micro-wave oven, and add water carries out water-bath microwave by a certain percentage, and to containing
Let cool the container of jelly food and the Capacity Ratio of micro-wave oven, and in microwave process microwave power, microwave time rationally controlled,
It is capable of achieving uniformly to thaw the quick of daily various frozen food, overcomes the local mistake that simple microwave thawing is also easy to produce
Thermal phenomenon and thus caused quality deterioration problem, farthest keep frozen food original again while improving defrosting efficiency
Outward appearance, quality, nutritional quality and local flavor, realize the low energy consumption of deforst technique, high-quality and high efficiency, while equipment is simple,
It is easy to operate, it is widely used, easily popularization, with very strong life practicality, with process is simple, easy to operate, production cost
Low, environment friendly and pollution-free advantage, quality, color and luster, freshness and microorganism to stripped tuna have significant holding to act on, can be preferably
Keep stripped tuna mouthfeel is mellow and full, bright, meat high resilience the characteristics of, pine nut extraction and phenolic acid with antioxygen except being turned into
With Shelf-life, it may be possible to which superposition generates unexpected beneficiating ingredient or Synergistic interaction, with to stripped tuna meat
Improve the effect of sensory effects, delicious meat is soft, fishy smell is not obvious, it is adaptable to tuna this preciousness flesh of fish species plus
Work is produced, and is with a wide range of applications..
Specific embodiment
The present invention is described in further detail with reference to embodiments.
Embodiment 1：
A kind of quick-thawing technology for freezing stripped tuna, comprises the following steps：
1) it is 3% by the required stripped tuna mass concentration that rapid taking-up is put into 20 DEG C from -50~-60 DEG C of freezing environment
90s is soaked in salt solution；
2）Then soaked stripped tuna is put into and in microwave container and can be put into micro-wave oven and carries out microwave thawing；
Step 1）The phenolic acid of pine nut extraction and 0.01-0.1% in middle salt solution also containing 0.01-0.1%.
Can the Capacity Ratio of microwave container and the micro-wave oven be 1：4.
The power that microwave thawing is used is 280w, and the time is 8min.
Embodiment 2
A kind of quick-thawing technology for freezing stripped tuna, comprises the following steps：
1) it is 2% by the required stripped tuna mass concentration that rapid taking-up is put into 25 DEG C from -50~-60 DEG C of freezing environment
70s is soaked in salt solution；Also contain the extraction of 0.01% pine nut and 0.01% phenolic acid in salt solution；
2）Then soaked stripped tuna is put into and in microwave container and can be put into micro-wave oven and carries out microwave thawing.
Can the Capacity Ratio of microwave container and the micro-wave oven be 1：10.
The power that microwave thawing is used is 300w, and the time is 6min.
Embodiment 3
A kind of quick-thawing technology for freezing stripped tuna, comprises the following steps：
1) it is 1% by the required stripped tuna mass concentration that rapid taking-up is put into 30 DEG C from -50~-60 DEG C of freezing environment
50s is soaked in salt solution；
2）Then soaked stripped tuna is put into and in microwave container and can be put into micro-wave oven and carries out microwave thawing.
Can the Capacity Ratio of microwave container and the micro-wave oven be 1：15.
The power that microwave thawing is used is 350w, and the time is 4min.
Implement experiment：Different brine temps, brine quality concentration, soak time are combined by thawing technique with refrigerator and mutually tied
Close, wherein brine strength setting 1%, 2%, 3%, brine temp sets 20 DEG C, 22 DEG C, 25 DEG C, 28 DEG C, 30 DEG C, soak time setting
50s, 60s, 70s, 80s, 90s, and stripped tuna after to defrosting carry out value of chromatism, myoglobin content, micro organism quantity,
K values, elasticity, 6 physical and chemical indexs of hardness and sensory evaluation carry out synthesis measuring to the quality of tuna, finally with clear and definite salt solution
Mass concentration be 2%, temperature be 25 DEG C, soak time is optimal thawing condition, the stripped tuna thawed with this understanding for 70s
Preferably can keep its peculiar color and luster and freshness, indices Comprehensive Assessment best results to degree.
Defreezing method of the invention is applicable to all tunas, with operation is simple, low production cost, environmentally friendly nothing
The advantage of pollution, can be that the processing and utilization of tuna is provided fundamental basis, and its application value be improved, before wide market
Scape.
Claims (7)
1. a kind of defreezing method for stripped tuna, it is characterised in that：Comprise the following steps：
1) it is 1- by the required stripped tuna mass concentration that rapid taking-up is put into 20-30 DEG C from -50--60 DEG C of freezing environment
50-90s is soaked in 3% salt solution；
2）Then soaked stripped tuna is put into and in microwave container and can be put into micro-wave oven and carries out microwave thawing；
The step 1）The phenolic acid of pine nut extraction and 0.01-0.1% in middle salt solution also containing 0.01-0.1%.
2. defreezing method according to claim 1, it is characterised in that：The mass concentration of the salt solution is 1-3%.
3. defreezing method according to claim 1, it is characterised in that：The temperature of the salt solution is 20-30 DEG C.
4. defreezing method according to claim 1, it is characterised in that：The soak time is 50-90s.
5. defreezing method according to claim 1, it is characterised in that：It is described can microwave container and the micro-wave oven capacity
Than being 1：4-15.
6. defreezing method according to claim 1, it is characterised in that：The power that the microwave thawing is used is 280-
350w。
7. defreezing method according to claim 1, it is characterised in that：The defreezing by microwave oven time is 4-8min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049295.5A CN106879716A (en) | 2017-01-23 | 2017-01-23 | A kind of quick-thawing technology for freezing stripped tuna |
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| CN201710049295.5A CN106879716A (en) | 2017-01-23 | 2017-01-23 | A kind of quick-thawing technology for freezing stripped tuna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107660612A (en) * | 2017-10-13 | 2018-02-06 | 浙江青莲食品股份有限公司 | The defreezing method of pork |
| CN107660613A (en) * | 2017-10-13 | 2018-02-06 | 浙江青莲食品股份有限公司 | The few pork defreezing method of nutrition leak |
| CN107660611A (en) * | 2017-10-13 | 2018-02-06 | 浙江青莲食品股份有限公司 | Delicate flavour is lost in few pork defreezing method |
| CN107950633A (en) * | 2017-05-31 | 2018-04-24 | 新昌县瑞天食品科技有限公司 | A kind of quick-thawing technology for freezing stripped tuna |
| CN107960446A (en) * | 2017-11-29 | 2018-04-27 | 陆滔 | A kind of defreezing method for freezing meat product |
| CN109259123A (en) * | 2018-08-20 | 2019-01-25 | 浙江工商大学 | A kind of processing method of vacuum and low temperature preconditioned sturgeon meat products |
| CN111066872A (en) * | 2019-12-30 | 2020-04-28 | 巢湖市大鑫食品有限公司 | Quick thawing equipment for freshwater crayfishes |
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| CN104621229A (en) * | 2013-11-14 | 2015-05-20 | 浙江海洋学院 | Unfreezing method for bonito |
| CN104939271A (en) * | 2015-06-23 | 2015-09-30 | 广州中国科学院先进技术研究所 | Frozen food unfreezing method |
| CN106235083A (en) * | 2016-08-30 | 2016-12-21 | 蓬莱京鲁渔业有限公司 | A kind of manufacture method of saury sashimi |
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2017
- 2017-01-23 CN CN201710049295.5A patent/CN106879716A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104621229A (en) * | 2013-11-14 | 2015-05-20 | 浙江海洋学院 | Unfreezing method for bonito |
| CN104939271A (en) * | 2015-06-23 | 2015-09-30 | 广州中国科学院先进技术研究所 | Frozen food unfreezing method |
| CN106235083A (en) * | 2016-08-30 | 2016-12-21 | 蓬莱京鲁渔业有限公司 | A kind of manufacture method of saury sashimi |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107950633A (en) * | 2017-05-31 | 2018-04-24 | 新昌县瑞天食品科技有限公司 | A kind of quick-thawing technology for freezing stripped tuna |
| CN107660612A (en) * | 2017-10-13 | 2018-02-06 | 浙江青莲食品股份有限公司 | The defreezing method of pork |
| CN107660613A (en) * | 2017-10-13 | 2018-02-06 | 浙江青莲食品股份有限公司 | The few pork defreezing method of nutrition leak |
| CN107660611A (en) * | 2017-10-13 | 2018-02-06 | 浙江青莲食品股份有限公司 | Delicate flavour is lost in few pork defreezing method |
| CN107960446A (en) * | 2017-11-29 | 2018-04-27 | 陆滔 | A kind of defreezing method for freezing meat product |
| CN109259123A (en) * | 2018-08-20 | 2019-01-25 | 浙江工商大学 | A kind of processing method of vacuum and low temperature preconditioned sturgeon meat products |
| CN111066872A (en) * | 2019-12-30 | 2020-04-28 | 巢湖市大鑫食品有限公司 | Quick thawing equipment for freshwater crayfishes |
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Application publication date: 20170623 |