CN104605007A - Method for retaining freshness of animal-origin foods - Google Patents
Method for retaining freshness of animal-origin foods Download PDFInfo
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- CN104605007A CN104605007A CN201510056104.9A CN201510056104A CN104605007A CN 104605007 A CN104605007 A CN 104605007A CN 201510056104 A CN201510056104 A CN 201510056104A CN 104605007 A CN104605007 A CN 104605007A
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Abstract
The invention discloses a method for retaining the freshness of animal-origin foods. The method comprises the following steps: preparing freshness-retaining liquid, wherein the freshness-retaining liquid is a glucose-containing lactic acid bacteria suspension or glucose solution; spraying the freshness-retaining liquid to the animal-origin food, or soaking the animal-origin food into the freshness-retaining liquid; draining the animal-origin food subjected to freshness-retaining liquid spraying or soaking; and storing the drained animal-origin food at a temperature over a freezing temperature of the animal-origin food. According to the method disclosed by the embodiments of the invention, the freshness-retaining liquid can effectively prolong the quality ensured periods of the animal-origin foods under the condition of not freezing the animal-origin foods.
Description
Technical field
The present invention relates to food preservative technology field, be specifically related to a kind of method of fresh-keeping animal food.
Background technology
The protein contents such as the mammiferous meat such as bird and cattle and sheep such as fresh fillet, chicken and duck and water activity all very high, corruption easily occurs, and current cold storage is the effective ways of this kind of food fresh keeping.Although cold storage effectively can extend the shelf-life of this based food, after cold storage, the mouthfeel of product is poor, and freeze operation cost is higher.
Higher than under the storage temperature of freezing point, the shelf-life of above-mentioned animal food is still shorter, for extending the shelf-life of this series products, common way adds anticorrisive agent, but synthetic preservative is generally not easily esthetically acceptable to the consumers, and natural antiseptic agent often antimicrobial spectrum is narrow, fresh-keeping effect is poor, price is high, and country " food additives use sanitary standard " in approval use natural antiseptic agent kind very limited, be difficult to meet needs of production.
The metabolic activity of lactic acid bacteria can produce the organic acids such as lactic acid and the composition such as hydrogen peroxide and bacteriocin, and these compositions all have bacteriostasis; In addition, lactic acid bacteria can also compete the ecological niche on fillet surface with spoilage organisms, and therefore, lactic acid bacteria can produce antagonism to spoilage organisms.The existing report utilizing the products such as the fresh-keeping fillet of lactic acid bacteria in the world, but it is still limited to be used alone the fresh-keeping effect of lactic acid bacteria, also can provide a kind of can with reference to the scheme performed.
The essence of food spoilage is that spoilage organisms grows on food, the various compositions in decomposing food, destroys structure, the outward appearance of food, and produces the process of various complexity, severe corrupt flavor components.In fact, the complicated metabolite causing the immediate cause of food spoilage outward appearance and local flavor to be spoilage organisms to the decomposition of food and generation thereof.Therefore, reduce spoilage organisms to the decomposition of food composition, the growing amount reducing spoilage product also can alleviate the corrupt feature of food.
When there are glucose and other organic matters of easy metabolism in the environment, microorganism is preferential decomposition glucose usually simultaneously.The meat protein content of the mammals such as bird and cattle and sheep such as fresh fillet, chicken and duck etc. is high, water activity is high, carbohydrate content is very low, if under the prerequisite substantially not changing the aesthetic qualities such as these product special flavours, the carbohydrate such as suitable interpolation glucose, then spoilage organisms will reduce the decomposition of protein, reduce the spoilage product such as amine, ammonia, indoles, hydrogen sulfide that breaks down proteins produces to a certain extent.
In addition, the metabolism and growth of lactic acid bacteria generally needs the carbon sources such as glucose, in the process with lactic acid bacteria fresh-keeping foodstuff, suitably add the metabolism and growth activity that glucose is conducive to lactic acid bacteria, but combination adopts lactic acid bacteria and glucose to be used for, and animal food is fresh-keeping also not to be found so far.
Summary of the invention
The object of the invention is that the shortcoming overcoming existing animal food preservation technique is with not enough, the existing technology with the fresh-keeping animal food of lactic acid bacteria is improved, add glucose and reduce spoilage organisms to the decomposition of protein, and promote lactobacter growth, strengthen the fresh-keeping effect of lactic acid bacteria, provide a kind of method of the fresh-keeping animal food under non-frozen state with lactic acid bacteria and glucose.
The invention provides a kind of method of fresh-keeping animal food, comprise the steps:
Configuration fresh-keeping liquid, described fresh-keeping liquid is lactic acid bacteria suspension containing glucose or is independent glucose solution;
Spray with fresh-keeping liquid or soak animal food;
The animal food spraying or soaked fresh-keeping liquid is drained;
Store under animal food after draining is placed in the temperature above freezing of described animal food.
Described lactic acid bacteria comprises the probiotic lactic acid bacteria that lactobacillus (Lactobacillus), enterococcus (Streptococcus), sheet coccus (Pediococcus), bacillus (Bacillus), leukonid (Leuconostos) etc. belong to.
The concentration of the lactic acid bacteria in described fresh-keeping liquid is 10
3more than cfu/mL.
The purity of described glucose is more than food-grade.
Described by fresh-keeping liquid spray or soak animal food be specially:
Fresh-keeping liquid must be covered animal food all surfaces by the operation of described sprinkling or immersion.
Described by fresh-keeping liquid spray or soak animal food comprise:
Animal food is sprayed based on spraying time threshold value;
Or invade bubble time threshold and invade bubble animal food.
Described being drained by the animal food spraying or soaked fresh-keeping liquid comprises:
Based on Draining time threshold value, the animal food spraying or soaked fresh-keeping liquid is drained.
The temperature that the food of described animal food is above freezing is: between temperature to 30 degree of described animal food.
The embodiment of the present invention adopts fresh-keeping liquid under the condition not freezing animal food, effectively can extend the shelf-life of animal food.The lactic acid bacteria that the present invention adopts and glucose are mixed with fresh-keeping liquid, add glucose and can alleviate the decomposition of spoilage organisms to protein, reduce the protein breakdown products such as amine, ammonia, indoles, hydrogen sulfide to a certain extent.In addition, the metabolism and growth of lactic acid bacteria generally needs the carbon sources such as glucose, in the process with lactic acid bacteria fresh-keeping foodstuff, suitably adds the metabolism and growth activity that glucose is conducive to lactic acid bacteria.The lactic acid bacteria that the embodiment of the present invention adopts is probio, and glucose is natural food composition, uses it for animal food fresh-keeping, avoids using anticorrisive agent, improves the security of food, can meet the demand of a part of consumer boycott's anticorrisive agent.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram of the fresh-keeping animal food in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 shows the method flow diagram of the fresh-keeping animal food in the embodiment of the present invention, comprises the steps:
S101, preparation fresh-keeping liquid;
Fresh-keeping liquid in the embodiment of the present invention can be lactic acid bacteria suspension containing glucose, also can be glucose solution.
It should be noted that, this lactic acid bacteria is the probiotic lactic acid bacteria that lactobacillus (Lactobacillus), enterococcus (Streptococcus), sheet coccus (Pediococcus), bacillus (Bacillus), leukonid (Leuconostos) etc. belong to.。
It should be noted that, in this lactic acid bacteria suspension, the concentration of lactic acid bacteria is generally arranged on 10
3more than cfu/mL, the concentration of this lactic acid bacteria its fresh-keeping effect higher is better certainly, in real process, use 10
8the lactic acid bacteria suspension of more than cfu/mL concentration is proper.Whole lactic acid bacteria suspension adopts water or any edible and the aqueous solution preparation harmless to lactic acid bacteria.
It should be noted that, the mixture that fresh-keeping liquid generally adopts lactic acid bacteria and these two kinds of materials of glucose solution to be formed is good, because glucose can reduce the decomposition of spoilage organisms to protein, and promote lactobacter growth, strengthen the fresh-keeping effect of lactic acid bacteria, it has better effect for animal food is fresh-keeping.
S102, with fresh-keeping liquid spray or soak animal food;
The sprinkling that sprinkling in the embodiment of the present invention can adopt sprayer or other sprayer units to realize fresh-keeping liquid, it can directly be aimed at animal food and spray; Need to be sprayed onto animal food all surfaces position in the process of spraying.In real process, in standardized operation process, spraying time threshold value can be set, the equal time such as such as 5 minutes, 10 minutes, 30 minutes, in 5 minutes or within 10 minutes, 30 minutes, complete sprinkling process, ensure that all surfaces position is all sprayed onto.
Bubble of invading in the embodiment of the present invention operates, barreled container etc. can be adopted to fill fresh-keeping liquid, animal food is placed in barreled container, general bubble of being invaded completely by animal food is in barreled container, make it all surfaces all in fresh-keeping liquid, this soak time can be 5 minutes, 10 minutes, 30 minutes etc., when the time reaches, then is taken out from the barreled container that fresh-keeping liquid is housed by animal food.
S103, the animal food sprayed or soaked fresh-keeping liquid to be drained;
In implementation process, animal food needs to drain preservation, and it can not be in wet environment for a long time, avoids meat oversoaking etc., after needing respective handling, carries out draining storage.This drains can be generally take out to be positioned on rack, naturally drains within the corresponding time.Generally drain in process, Draining time threshold value can be set, such as 3 minutes, 5 minutes equal times, then enter into next step link.
S104, the animal food after draining is placed in the food of animal food temperature above freezing under store.
It should be noted that, the temperature that the food of the animal food in the embodiment of the present invention is above freezing is generally: between freezing point temperature to 30 degree of described animal food.Food freezing point has different freezing point temperatures for different food products, is as the criterion with the actual freezing point of this food.This condition of storage is generally higher than food freezing point temperature for best, and such as environment temperature is between 0 to 10 degree.Due under the environment of existing emporium, be generally be placed in refrigerator-freezer, this refrigerator-freezer temperature can carry out corresponding refining temperature according to food.
Based on foregoing description, illustrate the process in the embodiment of the present invention, introduce specific embodiment in detail below in conjunction with the introduction in the embodiment of the present invention.
One of preferred embodiment, the present embodiment is with lactic acid bacteria and the fresh-keeping Tilapia mossambica fillet of glucose, and its concrete steps are as follows:
(1) preparation is containing 1.5% glucose, and lactobacillus acidophilus concentration is 3 × 10
8the fresh-keeping liquid of cfu/mL.
(2) Tilapia Fillet is immersed in 30min in above-mentioned suspension, drains 3min.
(3) be then put in 4 DEG C of refrigerators and store.
11 days are reached through the shelf-life of the Tilapia mossambica fillet of above-mentioned process; And the shelf-life of undressed fillet is only 5 days.
Preferred embodiment two, the present embodiment is with the fresh-keeping Tilapia mossambica fillet of glucose, and its concrete steps are as follows:
(1) compound concentration is the D/W of 2.5%.
(2) Tilapia Fillet is immersed in 30min in above-mentioned solution, drains 3min.
(3) be then put in 4 DEG C of refrigerators and store.
Through the Tilapia mossambica fillet of above-mentioned process after 8 days TVBN value exceed national standard not yet; And the shelf-life of undressed fillet when being only 6 days TVBN value exceed standard.
Preferred embodiment three, the present embodiment is with lactic acid bacteria and the fresh-keeping new fresh chicken meat of glucose, and its concrete steps are as follows:
(1) preparation is containing 2.0% glucose, and enterococcus faecalis concentration is 2 × 10
8the suspension of cfu/mL.
(2) new fresh chicken meat is immersed in 30min in above-mentioned suspension, drains 3min.
(3) be then put in 4 DEG C of refrigerators and store.
(4) 12 days are reached through the shelf-life of the chicken of above-mentioned process; And the shelf-life of undressed chicken is only 6 days.
To sum up, the embodiment of the present invention adopts fresh-keeping liquid under the condition not freezing animal food, effectively can extend the shelf-life of animal food.Add glucose and can alleviate the decomposition of spoilage organisms to protein, reduce the protein breakdown products such as amine, ammonia, indoles, hydrogen sulfide to a certain extent.In addition, the metabolism and growth of lactic acid bacteria generally needs the carbon sources such as glucose, in the process with lactic acid bacteria fresh-keeping foodstuff, suitably adds the metabolism and growth activity that glucose is conducive to lactic acid bacteria, thus extends fresh-keeping duration.The lactic acid bacteria that the embodiment of the present invention adopts is probio, and glucose is natural food composition, uses it for animal food fresh-keeping, avoid using anticorrisive agent, what improve food can Diet, reduces the use of anticorrisive agent, can meet the demand of certain consumer boycott's anticorrisive agent.
Above the method for the fresh-keeping animal food that the embodiment of the present invention provides is described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a method for fresh-keeping animal food, is characterized in that, comprises the steps:
Configuration fresh-keeping liquid, described fresh-keeping liquid is lactic acid bacteria suspension containing glucose or is independent glucose solution;
Spray with fresh-keeping liquid or soak animal food;
The animal food spraying or soaked fresh-keeping liquid is drained;
Store under animal food after draining is placed in the temperature above freezing of described animal food.
2. the method for fresh-keeping animal food as claimed in claim 1, is characterized in that, described lactic acid bacteria comprises lactobacillus, enterococcus, sheet coccus, bacillus, leukonid.
3. the method for fresh-keeping animal food as claimed in claim 1, is characterized in that, the concentration of the lactic acid bacteria in described fresh-keeping liquid is 10
3more than cfu/mL.
4. the method for fresh-keeping animal food as claimed in claim 1, is characterized in that, the purity of described glucose is more than food-grade.
5. the method for fresh-keeping animal food as claimed in claim 1, is characterized in that, described fresh-keeping liquid sprays or soaks animal food and is specially:
Fresh-keeping liquid must be covered animal food all surfaces by the operation of described sprinkling or immersion.
6. the method for fresh-keeping animal food as claimed in claim 5, is characterized in that, described by fresh-keeping liquid spray or soak animal food comprise:
Animal food is sprayed based on spraying time threshold value;
Or invade bubble time threshold and invade bubble animal food.
7. the method for fresh-keeping animal food as claimed in claim 1, is characterized in that, described being drained by the animal food spraying or soaked fresh-keeping liquid comprises:
Based on Draining time threshold value, the animal food spraying or soaked fresh-keeping liquid is drained.
8. the method for the fresh-keeping animal food as described in any one of claim 1 to 7, is characterized in that, the temperature above freezing of described animal food is: between freezing point temperature to 30 degree of described animal food.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056104.9A CN104605007A (en) | 2015-02-03 | 2015-02-03 | Method for retaining freshness of animal-origin foods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056104.9A CN104605007A (en) | 2015-02-03 | 2015-02-03 | Method for retaining freshness of animal-origin foods |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105998202A (en) * | 2016-07-19 | 2016-10-12 | 朱思胜 | Processing and storing method for dry forsythia leaves and application thereof |
| CN106234552A (en) * | 2016-08-31 | 2016-12-21 | 茂名市惠众水产有限公司 | A kind of fresh-keeping liquid of tilapia |
| CN108294238A (en) * | 2018-01-22 | 2018-07-20 | 任文明 | A kind of rank of nobility gram parched rice item and preparation method thereof |
| CN113273639A (en) * | 2021-04-28 | 2021-08-20 | 广州双图生物科技有限公司 | Preparation method of probiotic-containing fresh-keeping insects |
-
2015
- 2015-02-03 CN CN201510056104.9A patent/CN104605007A/en active Pending
Non-Patent Citations (3)
| Title |
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| K SUDALAYANDI: "Efficacy of lactic acid bacteria in the", 《AFRICAN JOURNAL OF BIOTECHNOLOGY》 * |
| 孟晓华: "罗非鱼的腐败特性研究及天然防腐剂的研制", 《道客巴巴》 * |
| 张延芳: "肉类保鲜有新招", 《城市质量监督》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105998202A (en) * | 2016-07-19 | 2016-10-12 | 朱思胜 | Processing and storing method for dry forsythia leaves and application thereof |
| CN106234552A (en) * | 2016-08-31 | 2016-12-21 | 茂名市惠众水产有限公司 | A kind of fresh-keeping liquid of tilapia |
| CN108294238A (en) * | 2018-01-22 | 2018-07-20 | 任文明 | A kind of rank of nobility gram parched rice item and preparation method thereof |
| CN113273639A (en) * | 2021-04-28 | 2021-08-20 | 广州双图生物科技有限公司 | Preparation method of probiotic-containing fresh-keeping insects |
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Application publication date: 20150513 |
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