CN105747012A - Nutritive duck eggs rich in zinc element and manufacturing method thereof - Google Patents
Nutritive duck eggs rich in zinc element and manufacturing method thereof Download PDFInfo
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- CN105747012A CN105747012A CN201410785311.3A CN201410785311A CN105747012A CN 105747012 A CN105747012 A CN 105747012A CN 201410785311 A CN201410785311 A CN 201410785311A CN 105747012 A CN105747012 A CN 105747012A
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Abstract
The invention provides nutritive duck eggs rich in zinc element and a manufacturing method thereof. The method mainly comprises: firstly, checking qualified fresh duck eggs and putting the eggs in a jar for later use; secondly, performing first soaking on the fresh duck eggs with a solution containing NaOH, NaCl, and tea, wherein the first soaking solution contains 8.8-9.9% of NaOH and 0.3-0.9% of ZnSO4 or ZnCl2; then, taking the soaked duck eggs out, and performing second soaking on the duck eggs with a solution containing NaOH, NaCl, and tea, wherein the second soaking solution contains 1.8-2.4% of NaOH and 0.3-0.9% of ZnSO4 or ZnCl2; and finally taking the soaked duck eggs out, and performing sealed storage to obtain the nutritive duck eggs. The obtained nutritive duck eggs have the zinc content in a range of 30-40 ppm, the free alkali content lower than 0.2%, and the lead content almost being zero. The lead pollution during conventional processing of duck eggs is effectively prevented, original taste of fresh duck eggs is basically kept, and the comprehensive application value of duck eggs is increased.
Description
Technical field
The present invention relates to Ovum Anas domestica deep process technology field, especially relate to a kind of nutrition Ovum Anas domestica rich in zinc element and preparation method thereof.
Background technology
Ovum Anas domestica (herein refer in particular to the ovum of Anatidae animal man duck, lower with) is nutritious, can match in excellence or beauty with egg, and its main nutrient composition includes protein, fat, calcium, phosphorus, ferrum, potassium etc..The data provided in " Chinese food component list (2002) " that Nutrition and Food Safety Office of China Disease Prevention and control Centre shows show: the nutritional labeling contained by every 100 grams of Ovum Anas domesticas is: 12.6 grams of protein, 13 grams of fat, calcium 62 milligrams, 226 milligrams of phosphorus, 135 milligrams of potassium, ferrum 2.9 milligrams, and Zn content only has 1.67 milligrams, namely 16.7ppm.Ovum Anas domestica nature and flavor are sweet, cool, have the effect of YIN nourishing lung heat clearing, are the daily food materials being loved by the people.
Although the nutritive value of Ovum Anas domestica is very high, but wherein Zn content is almost nil.Especially in China, when pickling cutification egg product if, with traditional eggs deep working method, owing to the material needed for pickling preserved egg has salt, tea and alkaline matter, conventional alkaline matter includes quick lime, plant ash, sodium carbonate, sodium hydroxide etc., therefore, inevitably lead to the free alkali content in Ovum Anas domestica product higher, have a strong impact on the mouthfeel of Ovum Anas domestica product.And, in order to promote the protein coagulating in egg body, in preserved egg manufacturing process, it is wrapped in the adjuvant outside fresh egg containing lead oxide and lead salt, in sealing placement process, these lead oxide just penetrate in egg body gradually.If edible this leaded Ovum Anas domestica for a long time, human body is after long-term suction micro lead, and nervous system, hemopoietic system and digestive system can be caused obvious harm by the micro lead entering human body.
Zinc is as one of the trace element of needed by human, and it participates in various metabolic activity widely as the constituent of multiple enzyme.China specifies, the infants and children of 1 years old～10 years old, every day, the quantity delivered of zinc should be 10mg～15mg, and the children of more than 10 years old are 15mg～20mg.NAM should obtain 15 milligrams of zinc, women 11.5 milligrams every day from meals, and simple dependence diet takes in zinc element, it is clear that can not meet the human body demand to zinc element.Add the raising along with people's living standard, diet more subtilizedization, it is easy to cause the shortage of Trace Elements in Human Body zinc.If human body zinc deficiency, may result in the bad phenomenon such as anorexia, short and small, immunologic hypofunction, erythra and alopecia, even bring out various disease, have impact on the sound development of human body.In order to ensure the zinc element content of needed by human body, although various medical zinc supplement preparation can be taken and carry out supplementing zinc.But, fortified zinc content in these medical zinc supplement preparations is generally significantly larger than the safe Zn content that people should take in from diet, therefore, if this medical zinc supplement preparation of long-term taking, easily lead to zinc poisoning, thus causing the gastrointestinal symptoms such as vomiting, diarrhoea, on the contrary health is caused damage；Even without zinc poisoning, health also can be caused potential threat by the side effect of medical zinc supplement preparation.
Summary of the invention
The technical problem to be solved in the present invention is: for prior art Problems existing, a kind of nutrition Ovum Anas domestica rich in zinc element and preparation method thereof is provided, it is effectively improved in Ovum Anas domestica product the content of zinc element, and avoids Ovum Anas domestica to suffer the pollution of lead element in deep-processing process.
The technical problem to be solved in the present invention realizes by the following technical solutions: the preparation method of a kind of nutrition Ovum Anas domestica rich in zinc element, comprises the steps:
1st step, fills cylinder by the fresh Ovum Anas domestica of passed examination standby；
2nd step, soaks fresh Ovum Anas domestica first with the solution containing NaOH, NaCl and Folium Camelliae sinensis, and contains in soak first: NaOH8.8%-9.9%, ZnSO4Or ZnCl20.3%-0.9%；
3rd step, takes out the Ovum Anas domestica after soaking first, with the solution containing NaOH, NaCl and Folium Camelliae sinensis, it is carried out secondary immersion, and contain in secondary soak: NaOH1.8%-2.4%, ZnSO4Or ZnCl20.3%-0.9%；
4th step, obtains nutrition Ovum Anas domestica product after taking out the Ovum Anas domestica sealed storage after secondary soaks.
Preferably, in described 1st step, resonant mode bird egg freshness detector is utilized to carry out the inspection of fresh Ovum Anas domestica and select.
Preferably, in described 1st step, being carried out the inspection of fresh Ovum Anas domestica by cold water method of testing and selected, put in cold water by Ovum Anas domestica to be measured, sinking is qualified fresh-laid egg, and floating is underproof rotten egg.
Preferably, in described 2nd step, ZnSO in soak first4Or ZnCl2Content be 0.58%-0.78%.
Preferably, in described 3rd step, in secondary soak, the content of NaOH is 2.4%, ZnSO4Or ZnCl2Content be 0.58%-0.78%.
Preferably, the soak time of Ovum Anas domestica is 5-8 days by described soak first.
Preferably, the soak time of Ovum Anas domestica is 7-10 days by described secondary soak.
Preferably, after immersion first, secondary soak, take out Ovum Anas domestica sealed storage and within 10 days, obtain nutrition Ovum Anas domestica product.
A kind of nutrition Ovum Anas domestica rich in zinc element, described nutrition Ovum Anas domestica is to utilize above-mentioned preparation method to prepare.
Compared with prior art, the invention has the beneficial effects as follows: owing to soak containing a certain amount of zinc element, and it has been entirely free of lead composition, therefore, it can the Zn content in the nutrition Ovum Anas domestica product so that being eventually fabricated between 30-40ppm, the content of free alkali is lower than 0.2%, and lead content is almost nil, efficiently avoid the lead element of Ovum Anas domestica product to pollute, improve the content of zinc element in Ovum Anas domestica product, and be kept substantially the original eating mouth feel of fresh Ovum Anas domestica.Often eating the nutrition Ovum Anas domestica rich in zinc element of the present invention, what be possible not only to supplement in right amount in diet is not enough containing zinc, it is also possible to zinc deficiency patient plays certain Drug therapy function, and the integrated application that improve Ovum Anas domestica is worth.
Accompanying drawing explanation
Fig. 1 is the process chart of a kind of nutrition Ovum Anas domestica preparation method rich in zinc element of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
As it is shown in figure 1, the preparation method of a kind of nutrition Ovum Anas domestica rich in zinc element, specifically include:
First, the fresh Ovum Anas domestica of passed examination is filled cylinder standby.When checking, resonant mode bird egg freshness detector can be utilized to carry out the inspection of fresh Ovum Anas domestica and select, this resonant mode bird egg freshness detector is the Fast nondestructive evaluation utilizing simple physical resonance principle to realize bird egg freshness, its detection efficiency is high, Detection accuracy is up to more than 96.5%, it is possible to ensure to fill the freshness of the standby Ovum Anas domestica of cylinder well.If the input amount of Ovum Anas domestica is not as big, it would however also be possible to employ cold water method of testing carries out the inspection of fresh Ovum Anas domestica and selects, i.e. put in cold water by Ovum Anas domestica to be measured, sinking is qualified fresh-laid egg, and floating is then underproof rotten egg.
Then, the preparation of soak is carried out.First putting into cylinder bottom after Folium Camelliae sinensis and NaOH precise, add certain amount of boiling water immediately so that it is content reaches following concentration requirement, heating, to boiling, adds NaCl and ZnSO while stirring4, stand-by after depositing 3 days.
It follows that soak first.Being loaded in cylinder by the fresh Ovum Anas domestica of passed examination, pour above-mentioned soak into, the concentration of wherein each composition is respectively as follows: NaOH9.9%, ZnSO40.58%, NaCl5%, Folium Camelliae sinensis 3%, at room temperature continuous dipping 5 days.
Take out the Ovum Anas domestica after soaking first, it is carried out damaged inspection, if it find that eggshell crackle or breakage, clean out in time.After inspection, the above-mentioned Ovum Anas domestica soaked first can be carried out surface clean, to remove the residue on eggshell.After cleaning eggshell surface, it is possible to carrying out secondary immersion, make secondary soak as stated above, the concentration of wherein each composition is respectively as follows: NaOH2.4%, ZnSO40.3%, NaCl5%, Folium Camelliae sinensis 3%, at room temperature continuous dipping 8 days.
Finally, take out the Ovum Anas domestica after secondary soaks, sealed storage 10 days at room temperature, after taking-up, namely obtain nutrition Ovum Anas domestica product.
Embodiment 2
Preparation method is with embodiment 1.But, soak used is:
Soak first: NaOH8.8%, ZnSO40.9%, NaCl5%, Folium Camelliae sinensis 3%, at room temperature continuous dipping 6 days.
Secondary soak: NaOH1.8%, ZnSO40.58%, NaCl5%, Folium Camelliae sinensis 3%, at room temperature continuous dipping 7 days.
Embodiment 3
Preparation method is with embodiment 1.But, soak used is:
Soak first: NaOH8.8%, ZnCl20.7%, NaCl5%, Folium Camelliae sinensis 3%, at room temperature continuous dipping 8 days.
Secondary soak: NaOH2.4%, ZnCl20.7%, NaCl5%, Folium Camelliae sinensis 3%, at room temperature continuous dipping 7 days.
Embodiment 4
Preparation method is with embodiment 1.But, soak used is:
Soak first: NaOH9.9%, ZnSO40.3%, NaCl5%, Folium Camelliae sinensis 3%, at room temperature continuous dipping 5 days.
Secondary soak: NaOH2.4%, ZnSO40.3%, NaCl5%, Folium Camelliae sinensis 3%, at room temperature continuous dipping 8 days.
Adopt the nutrition Ovum Anas domestica product that above-mentioned preparation method is obtained, through atomic absorption spectrography (AAS), electrochemistry polarography, trace element zinc therein is analyzed, detects, testing result shows, Zn content therein, between 30-40ppm, is not detected by obvious lead element.Therefore, the present invention can be effectively improved in Ovum Anas domestica product the content of zinc element, it is to avoid the lead element of Ovum Anas domestica product pollutes.Owing to the content of the free alkali in obtained Ovum Anas domestica product is lower than 0.2%, thus being kept substantially the original eating mouth feel of fresh Ovum Anas domestica, be conducive to improving the economic worth of Ovum Anas domestica.Often eat the nutrition Ovum Anas domestica rich in zinc element of the present invention, it is possible to appropriate supplement in diet not enough containing zinc, make human body keep rational Zn content level；For zinc deficiency patient, often eat the nutrition Ovum Anas domestica rich in zinc element of the present invention, moreover it is possible to play certain Drug therapy function, thus reducing relying on and its potential side effect for medical zinc supplement preparation.So that the Zn content in nutrition Ovum Anas domestica product reaches the standard of more than 30ppm, when preparing soak, ZnSO in soak first4Or ZnCl2Compound concentration preferably within the scope of 0.58%-0.78%.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, it is noted that all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (9)
1. the preparation method rich in the nutrition Ovum Anas domestica of zinc element, it is characterised in that: comprise the steps:
1st step, fills cylinder by the fresh Ovum Anas domestica of passed examination standby；
2nd step, soaks fresh Ovum Anas domestica first with the solution containing NaOH, NaCl and Folium Camelliae sinensis, and contains in soak first: NaOH8.8%-9.9%, ZnSO4Or ZnCl20.3%-0.9%；
3rd step, takes out the Ovum Anas domestica after soaking first, with the solution containing NaOH, NaCl and Folium Camelliae sinensis, it is carried out secondary immersion, and contain in secondary soak: NaOH1.8%-2.4%, ZnSO4Or ZnCl20.3%-0.9%；
4th step, obtains nutrition Ovum Anas domestica product after taking out the Ovum Anas domestica sealed storage after secondary soaks.
2. the preparation method of a kind of nutrition Ovum Anas domestica rich in zinc element according to claim 1, it is characterised in that: in described 1st step, utilize resonant mode bird egg freshness detector to carry out the inspection of fresh Ovum Anas domestica and select.
3. the preparation method of a kind of nutrition Ovum Anas domestica rich in zinc element according to claim 1, it is characterized in that: in described 1st step, carry out the inspection of fresh Ovum Anas domestica by cold water method of testing and select, Ovum Anas domestica to be measured is put in cold water, what sink is qualified fresh-laid egg, and floating is underproof rotten egg.
4. the preparation method of a kind of nutrition Ovum Anas domestica rich in zinc element according to claim 1, it is characterised in that: in described 2nd step, ZnSO in soak first4Or ZnCl2Content be 0.58%-0.78%.
5. the preparation method of a kind of nutrition Ovum Anas domestica rich in zinc element according to claim 1, it is characterised in that: in described 3rd step, in secondary soak, the content of NaOH is 2.4%, ZnSO4Or ZnCl2Content be 0.58%-0.78%.
6. the preparation method of a kind of nutrition Ovum Anas domestica rich in zinc element according to any one of claim 1-5, it is characterised in that: the soak time of Ovum Anas domestica is 5-8 days by described soak first.
7. the preparation method of a kind of nutrition Ovum Anas domestica rich in zinc element according to any one of claim 1-5, it is characterised in that: the soak time of Ovum Anas domestica is 7-10 days by described secondary soak.
8. the preparation method of a kind of nutrition Ovum Anas domestica rich in zinc element according to any one of claim 1-5, it is characterised in that: after immersion first, secondary soak, take out Ovum Anas domestica sealed storage and within 10 days, obtain nutrition Ovum Anas domestica product.
9. the nutrition Ovum Anas domestica rich in zinc element, it is characterised in that: described nutrition Ovum Anas domestica is to utilize the preparation method described in any one of the claims 1-8 to prepare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785311.3A CN105747012A (en) | 2014-12-17 | 2014-12-17 | Nutritive duck eggs rich in zinc element and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785311.3A CN105747012A (en) | 2014-12-17 | 2014-12-17 | Nutritive duck eggs rich in zinc element and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN105747012A true CN105747012A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410785311.3A Pending CN105747012A (en) | 2014-12-17 | 2014-12-17 | Nutritive duck eggs rich in zinc element and manufacturing method thereof |
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| CN (1) | CN105747012A (en) |
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2014
- 2014-12-17 CN CN201410785311.3A patent/CN105747012A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 杨立: "《全国专利代理人资格考试历年真题分类精解》", 31 August 2010, 知识产权出版社 * |
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