CN104719433A - Preservation method of aquatic products - Google Patents
Preservation method of aquatic products Download PDFInfo
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- CN104719433A CN104719433A CN201510090594.4A CN201510090594A CN104719433A CN 104719433 A CN104719433 A CN 104719433A CN 201510090594 A CN201510090594 A CN 201510090594A CN 104719433 A CN104719433 A CN 104719433A
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Abstract
The invention discloses a preservation method of aquatic products. The method comprises the following main steps: coordinating a bactericide into a feed for aquatic products; feeding the aquatic products with a feed containing the bactericide 1-7 days before fishing; fishing the aquatic products, cleaning and putting into a preservation liquid, soaking for 20-30 minutes, finishing out and draining for 2 minutes; packing the treated aquatic products into a preservation bag, and then preserving the aquatic products into a refrigeration house at 0-4 DEG C. According to the preservation method disclosed by the invention, microorganisms in the aquatic products can be effectively removed; the shelf life of the aquatic products is prolonged; and the preservation method has a good application prospect.
Description
Technical field
The present invention relates to a kind of preservation method of aquatic products, belong to the field of processing of aquatic products and storage.
Background technology
Aquaculture nutritional is enriched, and moisture is high, thus its fishing for, transport, process and easy infection microorganism and cause putrid and deteriorated in storage.Along with the development in epoch, the requirement of people to aquatic products quality is more and more higher, only rely on the preservation methods such as low temperature, controlled atmosphere and chemical preservative can not meet the demand of people, especially the use of chemical preservative, the focus that safety and sanitation problem has become people to pay close attention to and utilize the bio-preservative that enzyme preparation and microbial metabolism produce, because it can bacteria growing inhibiting well, keep the organoleptic quality that aquatic products are good, and can not cause food-safety problem when using, thus the application of bio-preservative on preservation of fishery becomes study hotspot in recent years.
Use bio-preservative effectively can suppress the microbial growth of aquatic products body surface, but due in preservation process bio-preservative be difficult to penetrate in the body of aquatic products, therefore can not suppress microbial growth inside aquatic products enteron aisle.And be the maximum part of content of microorganisms in aquatic products inside enteron aisle in aquatic products body.On the basis that traditional physics and chemistry is fresh-keeping, based on the content reducing aquatic products endogenous microbes, some scholars proposes endogenous fresh-keeping concept in recent years." hunger is coerced and studied the impact of Penaeus Vannmei cold storing and fresh-keeping effect and Enzymatic Mechanism " (food industry science and technology, 21 phases in 2014) disclose a kind of method that hunger coerces, coerced the microorganism that can reduce in prawn body by hunger, thus extend the shelf life of prawn.But hunger coerces the quality and weight that can affect aquatic products, can bring certain economic loss.
Summary of the invention
Order of the present invention is on the basis of the weight and quality that do not affect aquatic products, provides a kind of quantity that effectively can reduce aquatic products internal microorganism, thus extends the preservation method of the shelf life of aquatic products.
In order to solve the problem, the technical solution adopted in the present invention is as follows: a kind of preservation method of aquatic products, comprises the steps:
(1) bactericide is coupled in the feed of aquatic products for subsequent use;
(2) within 1 ~ 7 day before aquatic products are fished for, use the feed being combined with bactericide prepared by step (1) instead to feed;
(3) step (2) is fished for out with the aquatic products of the forage feed being combined with bactericide;
(4) to be prepared into fresh-keeping liquid for subsequent use by soluble in water for antistaling agent;
(5) put in fresh-keeping liquid prepared by step (4) after the aquatic products cleaning of step (3) being fished for out, soak 20min ~ 30min;
(6) pulled out by the aquatic products being immersed in fresh-keeping liquid in step (5), draining 2min, then loads freshness protection package, is placed in 0 DEG C ~ 4 DEG C freezer preservations.
The bactericide added in described step (1) is the one in antibacterial peptide, Tea Polyphenols, ε-poly-D-lysine and allicin; In described step (1), the addition of bactericide accounts for feed gross mass percentages with the quality of the bactericide added, and is respectively: antibacterial peptide 0.1% ~ 5%, Tea Polyphenols 0.1% ~ 5%, ε-poly-D-lysine 0.1% ~ 5%, allicin 0.1% ~ 5%.
The antistaling agent added in described step (4) is a kind of or wherein two or more composition in antibacterial peptide, Tea Polyphenols, ε-poly-D-lysine, shitosan, allicin and glucose oxidase; In described step (4), the addition of antistaling agent accounts for water gross mass percentages with the quality of the antistaling agent added, be respectively: antibacterial peptide 0.001% ~ 0.2%, Tea Polyphenols 0.001% ~ 0.2%, ε-poly-D-lysine 0.001% ~ 0.2%, shitosan 0.001% ~ 0.2%, allicin 0.001% ~ 0.2%, glucase 0.001% ~ 0.2%.
In described step (5), the mass ratio of aquatic products and fresh-keeping liquid is 1:1 ~ 2.
The present invention compares with existing technology, has the following advantages:
(1) reduce the micro organism quantity in aquatic products body, extend the shelf life of aquatic products.The present invention, by adding bactericide in feed, significantly can reduce the micro organism quantity of (particularly in enteron aisle) in aquatic products body, thus extend the shelf life of aquatic products in the nursing process before fishing for.
(2) weight and the quality of aquatic products is not affected.Compared with coercing with existing hunger, method provided by the invention does not affect weight and the quality of aquatic products.
The invention provides a kind of preservation method of aquatic products.Preservation method of the present invention can remove the microorganism in aquatic products body effectively, extends the shelf life of aquatic products, has good application prospect and social effect.
Detailed description of the invention
In order to understand the present invention better, with regard to the selection of the kind of the kind of aquatic products, the kind of bactericide and dosage, antistaling agent and dosage, the invention will be further described in conjunction with the embodiments below, but protection scope of the present invention is not limited thereto.
Embodiment 1: 1000 grams of antibacterial peptides are coupled in 1 ton of prawn feed.Within 7 days before prawn is fished for, using instead has coordinated the feed of antibacterial peptide to feed.5g antibacterial peptide and 4 grams of Tea Polyphenols are dissolved in 100 kg of water, obtain fresh-keeping liquid.The prawn fishing for out is put into fresh-keeping liquid to immersion 20min; Then the prawn in fresh-keeping liquid is pulled out, after draining 2min, load freshness protection package, be placed in 0 DEG C ~ 4 DEG C freezer preservations.
Embodiment 2: 1200 grams of ε-poly-D-lysines are coupled in 1 ton of tilapia feed.Within 5 days before Tilapia mossambica is fished for, using instead has coordinated the feed of poly-D-lysine to feed.5g shitosan and 4 grams of ε-poly-D-lysines are dissolved in 100 kg of water, obtain fresh-keeping liquid.The Tilapia mossambica fishing for out is put into fresh-keeping liquid to immersion 30min; Then the Tilapia mossambica in fresh-keeping liquid is pulled out, after draining 2min, load freshness protection package, be placed in 0 DEG C ~ 4 DEG C freezer preservations.
Claims (6)
1. a preservation method for aquatic products, is characterized in that: this preservation method comprises the steps:
(1) bactericide is coupled in the feed of aquatic products for subsequent use;
(2) within 1 ~ 7 day before aquatic products are fished for, use the feed being combined with bactericide prepared by step (1) instead to feed;
(3) step (2) is fished for out with the aquatic products of the forage feed being combined with bactericide;
(4) to be prepared into fresh-keeping liquid for subsequent use by soluble in water for antistaling agent;
(5) put in fresh-keeping liquid prepared by step (4) after the aquatic products cleaning of step (3) being fished for out, soak 20min ~ 30min;
(6) pulled out by the aquatic products being immersed in fresh-keeping liquid in step (5), draining 2min, then loads freshness protection package, is placed in 0 DEG C ~ 4 DEG C freezer preservations.
2. the preservation method of a kind of aquatic products according to claim 1, is characterized in that: the bactericide added in described step (1) is the one in antibacterial peptide, Tea Polyphenols, ε-poly-D-lysine and allicin.
3. the preservation method of a kind of aquatic products according to claim 1, it is characterized in that: in described step (1), the addition of bactericide accounts for feed gross mass percentages with the quality of the bactericide added, be respectively: antibacterial peptide 0.1% ~ 5%, Tea Polyphenols 0.1% ~ 5%, ε-poly-D-lysine 0.1% ~ 5%, allicin 0.1% ~ 5%.
4. the preservation method of a kind of aquatic products according to claim 1, is characterized in that: the antistaling agent added in described step (4) is a kind of or wherein two or more mixture in antibacterial peptide, Tea Polyphenols, ε-poly-D-lysine, shitosan, allicin and glucose oxidase.
5. the preservation method of a kind of aquatic products according to claim 1, it is characterized in that: in described step (4), the addition of antistaling agent accounts for water gross mass percentages with the quality of the antistaling agent added, be respectively: antibacterial peptide 0.001% ~ 0.2%, Tea Polyphenols 0.001% ~ 0.2%, ε-poly-D-lysine 0.001% ~ 0.2%, shitosan 0.001% ~ 0.2%, allicin 0.001% ~ 0.2%, glucase 0.001% ~ 0.2%.
6. the preservation method of a kind of aquatic products according to claim 1, is characterized in that: in described step (5), the mass ratio of aquatic products and fresh-keeping liquid is 1:1 ~ 2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510090594.4A CN104719433A (en) | 2015-02-28 | 2015-02-28 | Preservation method of aquatic products |
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| CN201510090594.4A CN104719433A (en) | 2015-02-28 | 2015-02-28 | Preservation method of aquatic products |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104996543A (en) * | 2015-07-31 | 2015-10-28 | 广东海洋大学 | Improved biological preservation agent for aquatic products, as well as preparation method and application thereof |
| CN105851200A (en) * | 2016-04-22 | 2016-08-17 | 浙江大学宁波理工学院 | Natural biological preserving agent for aquatic products and preparation method and application thereof |
| CN105941596A (en) * | 2016-05-18 | 2016-09-21 | 青岛博智汇力生物科技有限公司 | Aquatic product temporary rearing and living keeping agent capable of removing heavy metal, use method and application |
| CN106720196A (en) * | 2016-12-13 | 2017-05-31 | 江南大学 | A kind of preparation method for pickling fresh-keeping liquid and pickle fresh-keeping liquid and applied with it |
| CN107183144A (en) * | 2017-05-17 | 2017-09-22 | 西北农林科技大学 | A kind of application of composite preservative and its fresh-keeping Chilled Meats |
| CN107318948A (en) * | 2017-07-06 | 2017-11-07 | 浦江县欧立生物技术有限公司 | The bio-preservative of hairtail |
| CN107318949A (en) * | 2017-07-06 | 2017-11-07 | 浦江县欧立生物技术有限公司 | Tuna specific complex antistaling agent |
| CN107347970A (en) * | 2017-07-06 | 2017-11-17 | 浦江县欧立生物技术有限公司 | The bio-preservative of shrimps |
| CN107996676A (en) * | 2017-10-17 | 2018-05-08 | 江苏农牧科技职业学院 | A kind of preservation of fishery processing method |
| CN108077392A (en) * | 2017-12-04 | 2018-05-29 | 浙江海洋大学 | A kind of tuna freeze preservation method |
| CN108894057A (en) * | 2018-05-02 | 2018-11-27 | 浙江省海洋水产研究所 | A kind of edible package paper conversion method based on seaweed |
| CN111374239A (en) * | 2018-12-29 | 2020-07-07 | 盐城工学院 | Nutritional feed for eels and preparation method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104996543B (en) * | 2015-07-31 | 2018-06-22 | 广东海洋大学 | A kind of modified form aquatic product bio-preservative, preparation method and the usage |
| CN104996543A (en) * | 2015-07-31 | 2015-10-28 | 广东海洋大学 | Improved biological preservation agent for aquatic products, as well as preparation method and application thereof |
| CN105851200A (en) * | 2016-04-22 | 2016-08-17 | 浙江大学宁波理工学院 | Natural biological preserving agent for aquatic products and preparation method and application thereof |
| CN105941596A (en) * | 2016-05-18 | 2016-09-21 | 青岛博智汇力生物科技有限公司 | Aquatic product temporary rearing and living keeping agent capable of removing heavy metal, use method and application |
| CN106720196A (en) * | 2016-12-13 | 2017-05-31 | 江南大学 | A kind of preparation method for pickling fresh-keeping liquid and pickle fresh-keeping liquid and applied with it |
| CN106720196B (en) * | 2016-12-13 | 2020-09-25 | 江南大学 | Preparation method of pickling preservative solution, pickling preservative solution and application thereof |
| CN107183144A (en) * | 2017-05-17 | 2017-09-22 | 西北农林科技大学 | A kind of application of composite preservative and its fresh-keeping Chilled Meats |
| CN107318949A (en) * | 2017-07-06 | 2017-11-07 | 浦江县欧立生物技术有限公司 | Tuna specific complex antistaling agent |
| CN107347970A (en) * | 2017-07-06 | 2017-11-17 | 浦江县欧立生物技术有限公司 | The bio-preservative of shrimps |
| CN107318948A (en) * | 2017-07-06 | 2017-11-07 | 浦江县欧立生物技术有限公司 | The bio-preservative of hairtail |
| CN107996676A (en) * | 2017-10-17 | 2018-05-08 | 江苏农牧科技职业学院 | A kind of preservation of fishery processing method |
| CN108077392A (en) * | 2017-12-04 | 2018-05-29 | 浙江海洋大学 | A kind of tuna freeze preservation method |
| CN108894057A (en) * | 2018-05-02 | 2018-11-27 | 浙江省海洋水产研究所 | A kind of edible package paper conversion method based on seaweed |
| CN108894057B (en) * | 2018-05-02 | 2020-12-11 | 浙江省海洋水产研究所 | Seaweed-based edible packaging paper processing method |
| CN111374239A (en) * | 2018-12-29 | 2020-07-07 | 盐城工学院 | Nutritional feed for eels and preparation method thereof |
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Application publication date: 20150624 |
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