CN101347145A - Egg antistaling agent and method of preparing the same - Google Patents
Egg antistaling agent and method of preparing the same Download PDFInfo
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- CN101347145A CN101347145A CNA2008101189000A CN200810118900A CN101347145A CN 101347145 A CN101347145 A CN 101347145A CN A2008101189000 A CNA2008101189000 A CN A2008101189000A CN 200810118900 A CN200810118900 A CN 200810118900A CN 101347145 A CN101347145 A CN 101347145A
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Abstract
The present invention discloses an egg preservative and a preparation method thereof. The technical proposal includes feed-grade chitosan and acetum, and the weight volume ratio of the confected film coating solution is 1 to 2 percent. The preparation method includes: 1) preparation of raw materials: feed-grade chitosan (deacetylation degree is more than 70 percent) and acetum (volume concentration is 1 to 2 percent); 2) confection: chitosan is put into acetum with the volume concentration of 2 percent, then stirred until basically being dissolved and finally diluted by acetum with the volume concentration of 1 to 2 percent, thus obtaining the egg preservative with the quality volume concentration (kg/L) of 1 to 2 percent, namely, 10g of chitosan is added with 500ml to 1L of the acetum with the volume concentration of 1 to 2 percent to prepare the egg preservative.
Description
Technical field
The present invention relates to a kind of egg antistaling agent and preparation method thereof, can or be engaged in plant's use that egg is produced for family expenses.
Background technology
Egg is human important animal protein source always.China's egg output grows steadily in recent years, the important ring that egg fresh-keeping becomes day by day to be increased raiser's income, reduce the loss; Along with the change of consumption idea, people are increasing to the demand of nuisanceless green egg simultaneously, and price has not been the unique factor that influences egg consumption.So exploitation and popularization are practical, green, economic egg fresh-keeping and storage practice has great importance.The preservation method of egg comprises refrigeration, infusion method, coating method etc., and is apt to deteriorate after refrigeration cost height and the egg outbound; The egg that infusion method is preserved is because the intrusion edible quality reduction of soak; In the coating method, some chemical industry class coating materials such as paraffin can influence the edible quality of egg, and some edible natural materials such as gelatin, konjaku fresh-keeping effect are not satisfactory.
Summary of the invention
The objective of the invention is to provide a kind of egg antistaling agent and preparation method thereof, and it has the cost performance height, and is easy to use, advantages such as environmental protection.
In order to reach first purpose of the present invention, a kind of egg antistaling agent promptly is provided, the technical scheme of being taked comprises, feed grade shitosan and acetum, its mass volume ratio are 1%～2%.
In the above-mentioned egg antistaling agent, the deacetylation of described shitosan＞70%.
In the above-mentioned egg antistaling agent, the volumetric concentration of described acetum is 1%～2%, and promptly the cumulative volume of acetic acid volume/acetic acid+water is 1%～2%.
In order to reach second purpose of the present invention, the preparation method of above-mentioned egg antistaling agent promptly is provided, the technical scheme of being taked comprises the steps:
1, prepares raw material: feed grade shitosan (deacetylation＞70%), acetum (volumetric concentration 1%～2%);
2, preparation: it is 1%～2% acetum that shitosan is put into volumetric concentration, make quality volumetric concentration (kg/L) and be 1%～2% egg antistaling agent, it is that 1%～2% acetum is made egg antistaling agent that promptly every 10g shitosan adds 500ml to 1L volumetric concentration.
Among the preparation method of above-mentioned egg antistaling agent, in second step is in the preparation steps, at first shitosan is put into volumetric concentration and is 2% acetum, after being stirred to basic dissolving, again with the dilution of the acetum of volumetric concentration 1%～2%, make quality volumetric concentration (kg/L) and be 1%～2% egg antistaling agent.
The present invention is the main material of antistaling agent with the feed grade shitosan, the existing market price is 100～200 yuan/kg, if the chitosan solution of preparation 2% (g/ml) is used to film, each egg is coated with 1ml～2ml, then each egg films cost about 0.005 yuan, as consider to prepare required acetic acid, the cost of filming of each egg also is no more than 0.01 yuan.Simultaneously having edibility and film forming with discarded shrimp shell, shitosan that the crab shell is raw materials for production as a kind of derivative of natural polysaccharide, is a kind of highly desirable class coating material.Its fresh-keeping effect of this antistaling agent is comparatively stable, and this preparation method is easy, and is with low cost, has higher using value.
The specific embodiment
This egg antistaling agent contains feed grade shitosan and acetum, and its mass volume ratio is 1%～2%.
Interim preparation egg antistaling agent (being coating liquid) before filming:
1, prepares raw material: feed grade shitosan (deacetylation＞70%), acetum (volumetric concentration 1%～2%).
2, shitosan being put into volumetric concentration is 2% acetum, be stirred to of the acetum dilution of basic dissolving back with volumetric concentration 1%～2%, make quality volumetric concentration (kg/L) and be 1%～2% egg antistaling agent, it is that 1%～2% acetum is made egg antistaling agent that promptly every 10g shitosan adds 500ml to 1L volumetric concentration.
When filming, egg antistaling agent is poured in the basin, put into an amount of egg at every turn and make egg antistaling agent cover egg fully, pull egg afterwards out, erase unnecessary egg antistaling agent, put into the egg holder after placing the ventilation to dry with cotton brush.Every liter of this egg antistaling agent 1000 pieces of eggs of can filming at most.
Test shows that filming with this egg antistaling agent effectively to prolong the high-quality phase of egg, preserves 7 weeks of egg down at room temperature condition in spring (10 ℃～25 ℃), and Ha Shi unit still remains on more than the AA level, and the weight-loss ratio of egg significantly reduces (P＜0.05), is worthy to be popularized.
Egg antistaling agent of the present invention is primary raw material with the shitosan, be aided with acetic acid and make plastics, the egg fresh-keeping effect of filming is better, simultaneously because shitosan is a kind of nontoxic natural polysaccharide with edibility, on the environmental protection performance, possess greater advantage, represented the developing direction of following preservation method.
Illustrate: directly promptly can be made into the quality volumetric concentration with 1%～2% acetum dissolving shitosan in theory is 1%～2% egg antistaling agent, but in practical operation, find shitosan volumetric concentration be 2% or slightly high acetum in dissolving very fast (but being not that concentration is high more fast more), can avoid the generation of luming, so suggestion when preparation earlier with 2% acetum, dilute with low concentration acetic acid more afterwards and make 1%～2% chitosan-acetic acid solution.
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1, a kind of egg antistaling agent is characterized in that, it comprises feed grade shitosan and acetum, and its mass volume ratio is 1%～2%.
2, egg antistaling agent according to claim 1 is characterized in that, the deacetylation of described shitosan＞70%.
3, egg antistaling agent according to claim 1 and 2 is characterized in that, the volumetric concentration of described acetum is 1%～2%.
4, a kind of preparation method of egg antistaling agent as claimed in claim 1 is characterized in that, it comprises the steps:
1) prepare raw material: the feed grade shitosan of its deacetylation＞70%, volumetric concentration are 1%～2% acetum;
2) preparation: it is 1%～2% acetum that shitosan is put into volumetric concentration, make quality volumetric concentration (kg/L) and be 1%～2% egg antistaling agent, it is that 1%～2% acetum is made egg antistaling agent that promptly every 10g shitosan adds 500ml to 1L volumetric concentration.
5, the preparation method of egg antistaling agent according to claim 4, it is characterized in that, in second step is in the preparation steps, at first shitosan is put into volumetric concentration and is 2% acetum, after being stirred to basic dissolving, be the dilution of 1%～2% acetum with volumetric concentration again, make quality volumetric concentration (kg/L) and be 1%～2% egg antistaling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101189000A CN101347145A (en) | 2008-08-27 | 2008-08-27 | Egg antistaling agent and method of preparing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101189000A CN101347145A (en) | 2008-08-27 | 2008-08-27 | Egg antistaling agent and method of preparing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101347145A true CN101347145A (en) | 2009-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101189000A Pending CN101347145A (en) | 2008-08-27 | 2008-08-27 | Egg antistaling agent and method of preparing the same |
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| CN (1) | CN101347145A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988889A (en) * | 2014-05-29 | 2014-08-20 | 南通天乐农业科技有限公司 | Egg preservative free from toxic and side effect |
| CN104757097A (en) * | 2015-03-09 | 2015-07-08 | 四川农业大学 | Egg preservative film preparation and application |
| CN105248610A (en) * | 2015-10-10 | 2016-01-20 | 太仓市荣德生物技术研究所 | Egg fresh-keeping agent |
| CN104106622B (en) * | 2014-07-03 | 2016-03-16 | 河南科技大学 | A kind of coating-film fresh-keeping method of egg |
| CN105901110A (en) * | 2016-04-20 | 2016-08-31 | 潜山县天胜农业生态科技发展有限公司 | Treatment method of prolonging egg preservation time |
| CN108077398A (en) * | 2017-12-29 | 2018-05-29 | 西南大学 | A kind of eggs fresh-keeping film-coating agent and a kind of preservation method of eggs |
| CN113100284A (en) * | 2021-05-22 | 2021-07-13 | 王倩倩 | Poultry egg composite membrane and using method thereof |
| CN115736000A (en) * | 2022-11-24 | 2023-03-07 | 广东省领鲜食品科技有限公司 | Egg preservative and preparation method and application thereof |
-
2008
- 2008-08-27 CN CNA2008101189000A patent/CN101347145A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988889A (en) * | 2014-05-29 | 2014-08-20 | 南通天乐农业科技有限公司 | Egg preservative free from toxic and side effect |
| CN104106622B (en) * | 2014-07-03 | 2016-03-16 | 河南科技大学 | A kind of coating-film fresh-keeping method of egg |
| CN104757097A (en) * | 2015-03-09 | 2015-07-08 | 四川农业大学 | Egg preservative film preparation and application |
| CN105248610A (en) * | 2015-10-10 | 2016-01-20 | 太仓市荣德生物技术研究所 | Egg fresh-keeping agent |
| CN105901110A (en) * | 2016-04-20 | 2016-08-31 | 潜山县天胜农业生态科技发展有限公司 | Treatment method of prolonging egg preservation time |
| CN108077398A (en) * | 2017-12-29 | 2018-05-29 | 西南大学 | A kind of eggs fresh-keeping film-coating agent and a kind of preservation method of eggs |
| CN113100284A (en) * | 2021-05-22 | 2021-07-13 | 王倩倩 | Poultry egg composite membrane and using method thereof |
| CN115736000A (en) * | 2022-11-24 | 2023-03-07 | 广东省领鲜食品科技有限公司 | Egg preservative and preparation method and application thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20090121 |