CN102578201A - Method for prolonging shelf life of chilled fresh pseudosciaena crocea - Google Patents
Method for prolonging shelf life of chilled fresh pseudosciaena crocea Download PDFInfo
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- CN102578201A CN102578201A CN2011100039648A CN201110003964A CN102578201A CN 102578201 A CN102578201 A CN 102578201A CN 2011100039648 A CN2011100039648 A CN 2011100039648A CN 201110003964 A CN201110003964 A CN 201110003964A CN 102578201 A CN102578201 A CN 102578201A
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- pseudosciaena
- croceas
- yellow croaker
- large yellow
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Abstract
The invention provides a method for prolonging the shelf life of chilled fresh pseudosciaena croceas, relates to a preservation technology for prolonging the shelf life of the chilled fresh pseudosciaena croceas and aims at providing the preservation technology capable of effectively prolonging the shelf life of the chilled fresh pseudosciaena croceas. The method provided by the invention has the technical scheme that the pseudosciaena croceas are subjected to pre-cooling, grading, box loading and radiation treatment. The method is characterized in that the pseudosciaena croceas are immediately put into a foam box with an ice water mixture after being captured onto a ship, in addition, the pseudosciaena croceas are killed through being cooled, in addition, the body temperature is reduced to 0 to 8 DEG C, in addition, the pseudosciaena croceas are placed in the form box until the pseudosciaena croceas are conveyed to a factory to be subjected to ice adding treatment, after the pseudosciaena croceas are conveyed to the processing factory, the pseudosciaena croceas with undamaged body surfaces are divided into different specifications according to the sizes, the pseudosciaena croceas with the same specifications are placed into a clean foam box with water dripping holes at the head-and-tail alternating way in a posture that the abdomens of the pseudosciaena croceas face the upward direction by adopting the ice layer for separation, and in addition, adhesive tapes are used for sealing the foam box; and after the box loading of the pseudosciaena croceas is completed, low-dosage gamma radiation treatment is carried out, normal temperature radiation is adopted, the radiation source is 60Cogamma, and the radiation dosage is 1kGy.
Description
Technical field
The present invention relates to a kind of preservation technology that prolongs ice fresh Radix et Rhizoma Rhei fish shelf life.
Background technology
Large yellow croaker (Pseudosciaena crocea) occupies critical role because higher and output of its economic worth and export volume are all bigger in China's sea-farming industry.Because processing characteristics of large yellow croaker and people's consumption habit circulate and sale with the form of icing bright former fish more than 90%.The shelf life of iced storage large yellow croaker has only tens days in the actual production process of circulation, and too short shelf life has seriously limited the selling market of large yellow croaker.Therefore take economy and effective and efficient manner prolongs the shelf life of ice fresh Radix et Rhizoma Rhei fish, can not only further open up its selling market and can also significantly increase fisherman's income.Present fresh-keeping grain, dehydrated vegetables, spices, the fowl poultry meat product of being applied to of irradiation to solve the product bacterial population problem that exceeds standard, obtained effect preferably.Low dose irradiation is handled (1-3kGy) as a kind of food cold sterilization technology; Its security is by many countries and international organization's approval; FAO (FAO (Food and Agriculture Organization of the United Nation))/I AEA (International Atomic Energy Agency)/WHO (World Health Organization) was according to long-term toxicology, nutrition and microbiology experiment and radiation chemistry analysis result in 1980; Any food of reaching a conclusion does not just have toxicology dangerous when its population mean absorbed dose of radiation is no more than 10k Gy; No longer require to do toxicological experiment, nutrition and microbiology also are safe simultaneously.
Summary of the invention
The preservation technology that the purpose of this invention is to provide a kind of effective prolongation ice fresh Radix et Rhizoma Rhei fish shelf life.
Technical scheme of the present invention comprises that large yellow croaker is pre-cooled, classification, vanning, radiation treatment; It is characterized in that large yellow croaker fish for go on board after; Put into immediately in the bubble chamber that fills mixture of ice and water; Its cooling is caused death and reduce body temperature to 0～8 ℃, and place with this form and to carry out processing on the rocks until being transported to factory; After large yellow croaker is transported to processing factory; There is not damaged large yellow croaker to be divided into different specifications body surface according to its size; With the large yellow croaker belly of equal specification up, alternating layer ice sheet fish is put into the clean bubble chamber of band weeper end to end, and seals bubble chamber with adhesive tape; Carry out the low dosage gamma irradiation after the large yellow croaker vanning finishes and handle, adopt normal temperature irradiation, irradiation bomb does
60Co γ, irradiation dose are 1kGy.
The advantage of above-mentioned processing and treating method of the present invention is: the ice fresh Radix et Rhizoma Rhei fish shelf life through processed reaches 30 days; Prolonged the shelf life of ice fresh Radix et Rhizoma Rhei fish greatly; Its distinctive bright-coloured body colour of large yellow croaker can not be destroyed with its delicious taste; And need not unpack and can carry out radiation treatment, be beneficial in actual production and promote the use of.
The specific embodiment
The selection of large yellow croaker capture time: for keeping the distinctive golden yellow body colour of large yellow croaker, the activity of catching is chosen in to be carried out evening.
Pre-cooled: as after large yellow croaker is fished for and goes on board, immediately it to be put into and its cooling is caused death and reduce body temperature to 0～8 ℃, and place several hrs with this form and after they are transported to factory, carry out processing on the rocks.
Classification: after large yellow croaker is transported to processing factory, have damaged large yellow croaker to choose otherwise processed body surface, body surface does not have damaged large yellow croaker to be divided into different specifications according to its size.
Vanning: the large yellow croaker meter bar number of equal specification is weighed postabdomen up, and alternating layer ice sheet fish is put into the clean bubble chamber of band weeper end to end, and seals bubble chamber with adhesive tape.
Radiation treatment: carry out the low dosage gamma irradiation after the large yellow croaker vanning finishes and handle, adopt normal temperature irradiation, irradiation bomb does
60Co γ, irradiation dose are 1kGy.The irradiation dose of 1kGy can effectively suppress the growth and breeding of spoilage organisms, and to the influence degree of fat oxidation less (when irradiation dose surpasses 1kGy, the oxidation of fish body fat occurs and accelerate phenomenon, be difficult to receive the effect that prolongs ice fresh Radix et Rhizoma Rhei fish shelf life).
The present invention is more as shown in the table to preservation effect and the traditional iced storage method of ice fresh Radix et Rhizoma Rhei fish:
| Processing method | The high-quality phase (my god) | Shelf life (my god) |
| The present invention (irradiation dose 1KGy) | 17 | 30 |
| Tradition iced storage method | 11 | 17 |
Claims (1)
1. one kind prolongs the method for icing fresh Radix et Rhizoma Rhei fish shelf life; Large yellow croaker is pre-cooled, classification, vanning, radiation treatment; It is characterized in that large yellow croaker fish for go on board after; Put into immediately in the bubble chamber that fills mixture of ice and water, its cooling is caused death and reduce body temperature to 0～8 ℃, and place with this form and to carry out processing on the rocks until being transported to factory; After large yellow croaker is transported to processing factory; There is not damaged large yellow croaker to be divided into different specifications body surface according to its size; With the large yellow croaker belly of equal specification up, alternating layer ice sheet fish is put into the clean bubble chamber of band weeper end to end, and seals bubble chamber with adhesive tape; Carry out the low dosage gamma irradiation after the large yellow croaker vanning finishes and handle, adopt normal temperature irradiation, irradiation bomb does
60Co γ, irradiation dose are 1kGy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100039648A CN102578201A (en) | 2011-01-10 | 2011-01-10 | Method for prolonging shelf life of chilled fresh pseudosciaena crocea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100039648A CN102578201A (en) | 2011-01-10 | 2011-01-10 | Method for prolonging shelf life of chilled fresh pseudosciaena crocea |
Publications (1)
| Publication Number | Publication Date |
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| CN102578201A true CN102578201A (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100039648A Pending CN102578201A (en) | 2011-01-10 | 2011-01-10 | Method for prolonging shelf life of chilled fresh pseudosciaena crocea |
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| CN (1) | CN102578201A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103431023A (en) * | 2013-08-12 | 2013-12-11 | 浙江大学 | Method for improving quality and extending shelf life of fresh fish slices |
| CN103651734A (en) * | 2013-11-27 | 2014-03-26 | 南昌大学 | Method for irradiating fish for retaining freshness |
| CN103719229A (en) * | 2013-10-09 | 2014-04-16 | 徐蔚 | Physical freshness preservation method of uncooked fish meat or fish fillets |
| CN108967932A (en) * | 2018-07-25 | 2018-12-11 | 福建岳海水产食品有限公司 | A kind of snack food and preparation method thereof of the instant large yellow croaker flesh of fish |
| CN109769721A (en) * | 2019-02-02 | 2019-05-21 | 宁波大学 | The keeping method that a kind of cultured large yellow croaker body colour is golden yellow, lip is orange |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103431023A (en) * | 2013-08-12 | 2013-12-11 | 浙江大学 | Method for improving quality and extending shelf life of fresh fish slices |
| CN103719229A (en) * | 2013-10-09 | 2014-04-16 | 徐蔚 | Physical freshness preservation method of uncooked fish meat or fish fillets |
| CN103651734A (en) * | 2013-11-27 | 2014-03-26 | 南昌大学 | Method for irradiating fish for retaining freshness |
| CN108967932A (en) * | 2018-07-25 | 2018-12-11 | 福建岳海水产食品有限公司 | A kind of snack food and preparation method thereof of the instant large yellow croaker flesh of fish |
| CN109769721A (en) * | 2019-02-02 | 2019-05-21 | 宁波大学 | The keeping method that a kind of cultured large yellow croaker body colour is golden yellow, lip is orange |
| CN109769721B (en) * | 2019-02-02 | 2021-08-03 | 宁波大学 | Method for maintaining golden body color and orange lip color of cultured large yellow croakers |
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Application publication date: 20120718 |