CN101986884A - Processing method of heavy metal-free process preserved eggs - Google Patents

Processing method of heavy metal-free process preserved eggs Download PDF

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Publication number
CN101986884A
CN101986884A CN201010255039XA CN201010255039A CN101986884A CN 101986884 A CN101986884 A CN 101986884A CN 201010255039X A CN201010255039X A CN 201010255039XA CN 201010255039 A CN201010255039 A CN 201010255039A CN 101986884 A CN101986884 A CN 101986884A
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Prior art keywords
feed liquid
soak
temperature
initial concentration
alkali
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CN201010255039XA
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汤钦林
张成文
李家焕
张倩
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Weishan Lake Product Economy And Trade Industrial Co Ltd
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Weishan Lake Product Economy And Trade Industrial Co Ltd
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Abstract

The invention provides a processing method of heavy metal-free process preserved eggs, which comprises: preparing feed liquid and selecting raw material eggs; mixing the raw material eggs and prepared feed liquid; controlling the temperature of the feed liquid and the initial concentration of the feed liquid alkali; and soaking for a certain period, and taking out from tank. The creative point of the method is that the mixing and soaking time is divided into three periods according to the temperature of the feed liquid and the concentration of the feed liquid alkali, wherein in the first period, the soaking time is 0 to 10 days, the initial concentration of the feed liquid alkali is 3 to 5 percent, and the feed liquid temperature is 20 to 22 DEG C; and in the second period, the soaking time is 13 to 18 days, the initial concentration of the feed liquid alkali is 1 to 3 percent, and the feed liquid temperature is 22 to 25 DEG C; and in the third period, the soaking time is 19 to 35 days, the initial concentration of the feed liquid alkali is 2 to 4 percent, and the feed liquid temperature is 18 to 22 DEG C. In the invention, a double control method is adopted to produce the preserved eggs, which poses a challenge to the universal conclusion held in the theory world that it is impossible to control the seepage velocity of the feed liquid alkali nor produce high-quality preserved eggs without adding heavy metals, the yield of products processed by the method reaches 98 to 99 percent, and the new method is safe, environmentally-friendly and energy-efficient.

Description

Heavy metal free technology lime-preserved egg processing method
(1) technical field
The present invention relates to a kind of processing method of egg products, specifically a kind of heavy metal free technology lime-preserved egg processing method.
(2) technical background
Lime-preserved egg has long processing history in China, be the exclusive traditional egg products of China, the production and processing lime-preserved egg has saying of " unleaded (or copper) not becoming egg " in industry, as not adding lead metals such as (or) copper salt, just can not produce the high-quality lime-preserved egg when meaning is production and processing.The tradition "Thousand year old" duck eggs adds man-hour, has all added 0.2%~0.4% lead oxide in feed liquid, and it mainly acts on and is: in processing in earlier stage, can guide and promote NaOH to enter in the egg, accelerate protein coagulation, make albumen keep certain rigidity, be convenient to shrinking away from theshell; In the processing later stage, decompose the H that produces with protein 2S reaction generates the PbS of slightly solubility black, is deposited on the mesh of the pore of eggshell and egg shell membrane, stops up pore, thus hinder and reduce NaOH excessive in egg seepage velocity, prevent that lime-preserved egg alkali hinders mashed head.Because lead is a kind of poisonous heavy metal element, understands and in human body, accumulate and cause chronic heavy metal poisoning, to the health of human body, especially children ' s intelligence development is had serious harmful effect.So what researcher and manufacturing enterprise research in recent years was maximum is exactly to find out the mechanism of action of lead oxide in lime-preserved egg processing, thereby finds suitable substitute.
How Taiwan in 1971 celebrates that the people propose to add copper sulphate 0.6% or iron oxide 0.8% is made lead-free preserved egg.Bad autumn cloud added 0.5% aluminium chloride acquisition immaculate lime-preserved egg in 1978, and fresh-keeping with 10% alcohol-soluble polyvinyl acetate solution spray.1986, Dong Jixuan replaced lead oxide with zinc salt, the infusion egg with a soft yolk.1989, persons such as Li Faxin compared test with the different metal element to seepage velocity, the shelling of egg, the stability of NaOH, thought that zinc salt and mantoquita all can replace lead salt to produce lime-preserved egg.People such as Wu Shiying (1990) think that also zinc salt and mantoquita are the optimisation substance that replaces lead oxide, and the two share better than adopting single mantoquita or zinc salt.Lee's tin felicity etc. is considered from chemical terms, think that zinc salt is identical with lead salt with the mechanism of action of mantoquita in the lime-preserved egg maturation, be that Pb, Zn, Cu are the heavy metal elements with both sexes, can both be under the highly basic condition with anion [Pb (OH) 4] 2-, [Cu (OH) 4] 2-, [Zn (OH) 4] 2-form exist and in egg infiltration bright egg sex change is solidified, and when infiltration can both with the CaCO around the pore 3Form insoluble compound or and CO 2And the NH that decompose to produce and escape by protein 3, H 2The S reaction generates the indissoluble material, blocks pore gradually, thereby NaOH permeates in egg in the control feed liquid.
On June 1st, 2009, " People's Republic of China's food security method " (hereinafter to be referred as new method) formally comes into effect, and carried out nearly 14 years " food hygiene law " and abrogated simultaneously, and new method will produce significant impact to China's lime-preserved egg production.New " food security method " the 43 to the 48 standard the production and the application of food additives, regulation must not be used chemical substance and other materials that may be detrimental to health beyond the food additives in food production, what regulation state food additive catalogue the inside did not have just can not add, otherwise be exactly illegal the interpolation, the acceptance of punishment.And the no lead powder (mainly being heavy metallic salts such as copper) that uses in China's lime-preserved egg processing at present belongs to illegal food additives, therefore, be processed into the high-quality lime-preserved egg as why not adding heavy metallic salt, be related to China thousands of lime-preserved egg manufacturing enterprise existence problem, also directly the aquaculture of the national enormous amount of influence, raiser's birds, beasts and eggs are cultured, egg product is sold and the existence of whole industry chain.The lime-preserved egg in present many provinces has been in and has stopped production status, is badly in need of wanting the new new technology that meets the food security method to replace existing lead-free preserved egg production technology.
(3) summary of the invention
Technical assignment of the present invention is at the deficiencies in the prior art, provides a kind of utilization two control methods, promptly controls the processing method that the concentration of the temperature of feed liquid and feed liquid alkali is produced heavy metal free technology lime-preserved egg.
Find by studying us: feed liquid alkali infiltrates through the quality of interior concentration of egg and speed decision preserved egg quality, and relevant therewith factor mainly contains following four: the size of egg hole and egg fenestra; Heavy metal ion (switch); Temperature (18~25 ℃); The concentration of feed liquid alkali.Egg hole and egg fenestra size are the intrinsic characteristics of duck's egg itself, can't regulate and control; Heavy metal is harmful, does not allow to add; Therefore, the adjusting of feed temperature and concentration directly determines the quality that lime-preserved egg is produced.
The technical solution adopted for the present invention to solve the technical problems is:
Heavy metal free technology lime-preserved egg processing method, comprise the preparation of feed liquid and choosing of raw material egg, the raw material egg of choosing is mixed with the feed liquid of preparation, and the temperature of control feed liquid and the initial concentration of feed liquid alkali, go out cylinder after soaking certain hour, according to the temperature of feed liquid and the concentration difference of feed liquid alkali, will mix soak time and be divided into three phases, the initial concentration and the feed temperature of the soak time of three phases, feed liquid alkali are as follows:
Phase I soak time: 0-10 days,
Soak the initial concentration of liquid caustic soda: 3-5%,
Soak temperature: 20-22 ℃;
Second stage soak time: 13-18 days,
Soak the initial concentration of liquid caustic soda: 1-3%,
Soak temperature: 22-25 ℃;
Phase III soak time: 19-35,
Soak the initial concentration of liquid caustic soda: 2-4%,
Soak temperature: 18-22 ℃.
The preferred soak time of above-mentioned three phases, the initial concentration and the feed temperature of feed liquid alkali are as follows:
Phase I soak time: 0-10 days,
Soak the initial concentration of liquid caustic soda: 3.5-1.5%,
Soak temperature: 20.5-21.5 ℃;
Second stage soak time: 13-18 days,
Soak the initial concentration of liquid caustic soda: 1.5-2.5%,
Soak temperature: 23-24 ℃;
Phase III soak time: 19-35,
Soak the initial concentration of liquid caustic soda: 2.5-3.5%,
Soak temperature: 19-21 ℃.
The preparation of above-mentioned feed liquid is that edible sheet alkali, tealeaves, quick lime and salt ratio and the boiling water in following parts by weight mixed:
Edible sheet alkali: 39-44 part,
Tealeaves: 8-12 part,
Quick lime: 70-80 part,
Salt: 16-22,
All the other are boiling water.
The preparation of above-mentioned feed liquid is that edible sheet alkali, tealeaves, quick lime and salt ratio and the boiling water in following parts by weight mixed:
Edible sheet alkali: 41-42 part,
Tealeaves: 9-11 part,
Quick lime: 74-86 part,
Salt: 18-20,
All the other are boiling water.
The mixed proportion of above-mentioned raw materials egg and feed liquid is:
The raw material egg: 10000 pieces, edible sheet alkali: 39-44kg, tealeaves: 8-12kg, quick lime: 70-80kg, salt: 16-22kg.
Above-mentioned feed temperature is regulated with air-conditioning equipment and heater unit.
Heavy metal free technology lime-preserved egg processing method of the present invention compared with prior art, the beneficial effect that is produced is:
1) traditional lime-preserved egg manufacture craft is soaked with Porcelain Jar, cement pit or Plastic Drum, and such technology often can only once be prepared burden, and a bubble is not easy to soak the adjustment of feed concentration and temperature on earth, is prone to the substandard products egg, reduces the factor of merit of lime-preserved egg.This law has changed that the traditional mode of production lime-preserved egg is once prepared burden, on earth technology of a bubble, instruct the preserved egg quality of production and processing to compare favourably with this new technology parameter, thereby negated that present theoretical circles generally believe and do not add heavy metal can't process the high-quality lime-preserved egg with regard to the seepage velocity of uncontrollable feed liquid alkali conclusion with traditional sheet lead egg that has.
2) lime-preserved egg made of traditional handicraft or lead-free process, yield rate generally is not more than 80%-85%, and defect rate is compared higher, has not only wasted protein resource, but also has increased the lime-preserved egg cost; Through this law product processed, yield rate can reach 98-99%, is a kind of new method of safety and environmental protection low power consuming.
3) reusable after feed liquid of the present invention, the soup adjustment, energy saving economy, benefit is obvious.
4) heavy metal and its esters such as the inartificial interpolation lead of the present invention, copper, iron, zinc, bismuth, utilize the lime-preserved egg of key technology outputs such as temperature control, control feed concentration, its eggshell cleaning, black, green spot that no traditional handicraft surface produces, the consumer very easily discerns; Outward appearance was light brown after product was peeled off, and preserved egg is high-visible; Albumen elasticity foot; Nutritious, various amino acid contents are higher than traditional lime-preserved egg; Content of beary metal is limited the quantity of well below national standard; Aromatic flavour, fine and smooth tasty and refreshing, long times of aftertaste; Have effects such as poor dehumidifying, step-down temperature stomach, sharp intestines defaecation; Biological compelx coating hygienic and convenient, compliance with environmental protection requirements.
(4) description of drawings
Accompanying drawing 1 is a process flow diagram of the present invention.
(5) specific embodiment
Below in conjunction with explaining below 1 pair of heavy metal free technology lime-preserved egg processing method work of the present invention of accompanying drawing.
Embodiment 1:
As shown in Figure 1, heavy metal free technology lime-preserved egg processing method of the present invention, comprise the preparation of feed liquid and choosing of raw material egg, the preparation of feed liquid is that edible sheet alkali, tealeaves, quick lime and salt ratio and the boiling water in following parts by weight mixed: edible sheet alkali: 39 parts, tealeaves: 8 parts, quick lime: 70 parts, salt: 16 parts, all the other are boiling water, mix, filtration, feed liquid check; The choosing of raw material egg comprise the raw material egg select, according to egg, skilful egg classification, dress cylinder.The raw material egg of choosing is mixed with the feed liquid of preparation, mixing is that 10000 pieces of raw material eggs are put into the feed liquid that is mixed by the edible sheet alkali of 39kg, 8kg tealeaves, 70kg quick lime, 16kg salt and boiling water, and utilize air-conditioning equipment and heater unit to control the temperature of feed liquid, utilize proportioner (fork truck, a mobile seat end, mixer, mixer) and the condiment device (outlet pipe of sucking pump, band valve, move a seat end, fork truck, immersion bucket) control the initial concentration of feed liquid alkali, go out cylinder after soaking by following technical parameter:
According to the temperature of feed liquid and the concentration difference of feed liquid alkali, will mix soak time and be divided into three phases, the initial concentration and the feed temperature of the soak time of three phases, feed liquid alkali are as follows:
Phase I soak time: 0-10 days, the initial concentration of immersion liquid caustic soda: 3%, soak temperature: 22 ℃;
The second rank soak time: 13 days, the initial concentration of immersion liquid caustic soda: 1, soak temperature: 25 ℃;
The 3rd rank soak time: 19 days, the initial concentration of immersion liquid caustic soda: 2%, soak temperature: 22 ℃.
Embodiment 2:
As shown in Figure 1, heavy metal free technology lime-preserved egg processing method of the present invention, comprise the preparation of feed liquid and choosing of raw material egg, the preparation of feed liquid is that edible sheet alkali, tealeaves, quick lime and salt ratio and the boiling water in following parts by weight mixed: edible sheet alkali: 44 parts, tealeaves: 12 parts, quick lime: 80 parts, salt: 22 parts, all the other are boiling water, mix, filtration, feed liquid check; The choosing of raw material egg comprise the raw material egg select, according to egg, skilful egg classification, dress cylinder.The raw material egg of choosing is mixed with the feed liquid of preparation, mixing is that 10000 pieces of raw material eggs are put into the feed liquid that is mixed by the edible sheet alkali of 44kg, 12kg tealeaves, 80kg quick lime, 22kg salt and boiling water, and utilize air-conditioning equipment and heater unit to control the temperature of feed liquid, utilize proportioner (fork truck, a mobile seat end, mixer, mixer) and the condiment device (outlet pipe of sucking pump, band valve, move a seat end, fork truck, immersion bucket) control the initial concentration of feed liquid alkali, go out cylinder after soaking by following technical parameter:
According to the temperature of feed liquid and the concentration difference of feed liquid alkali, will mix soak time and be divided into three phases, the initial concentration and the feed temperature of the soak time of three phases, feed liquid alkali are as follows:
Phase I soak time: 0-10 days, the initial concentration of immersion liquid caustic soda: 5%, soak temperature: 20 ℃;
The second stage soak time: 18 days, the initial concentration of immersion liquid caustic soda: 3%, soak temperature: 22 ℃;
The phase III soak time: 35, the initial concentration of immersion liquid caustic soda: 4%, soak temperature: 18 ℃.
Embodiment 3:
As shown in Figure 1, heavy metal free technology lime-preserved egg processing method of the present invention, comprise the preparation of feed liquid and choosing of raw material egg, the preparation of feed liquid is that edible sheet alkali, tealeaves, quick lime and salt ratio and the boiling water in following parts by weight mixed: edible sheet alkali: 42 parts, tealeaves: 10 parts, quick lime: 75 parts, salt: 20 parts, all the other are boiling water, mix, filtration, feed liquid check; The choosing of raw material egg comprise the raw material egg select, according to egg, skilful egg classification, dress cylinder.The raw material egg of choosing is mixed with the feed liquid of preparation, mixing is that 10000 pieces of raw material eggs are put into the feed liquid that is mixed by the edible sheet alkali of 40kg, 10kg tealeaves, 75kg quick lime, 20kg salt and boiling water, and utilize air-conditioning equipment and heater unit to control the temperature of feed liquid, utilize proportioner (fork truck, a mobile seat end, mixer, mixer) and the condiment device (outlet pipe of sucking pump, band valve, move a seat end, fork truck, immersion bucket) control the initial concentration of feed liquid alkali, go out cylinder after soaking by following technical parameter:
According to the temperature of feed liquid and the concentration difference of feed liquid alkali, will mix soak time and be divided into three phases, the initial concentration and the feed temperature of the soak time of three phases, feed liquid alkali are as follows:
Phase I soak time: 0-10 days, the initial concentration of immersion liquid caustic soda: 4%, soak temperature: 21 ℃;
The second stage soak time: 15 days, the initial concentration of immersion liquid caustic soda: 2%, soak temperature: 23 ℃;
The phase III soak time: 30, the initial concentration of immersion liquid caustic soda: 3%, soak temperature: 20 ℃.

Claims (6)

1. heavy metal free technology lime-preserved egg processing method, comprise the preparation of feed liquid and choosing of raw material egg, be that the raw material egg that will choose mixes with the feed liquid of preparation, and the temperature of control feed liquid and the initial concentration of feed liquid alkali, go out cylinder after soaking certain hour, it is characterized in that: according to the temperature of feed liquid and the concentration difference of feed liquid alkali, will mix soak time and be divided into three phases, the initial concentration and the feed temperature of the soak time of three phases, feed liquid alkali are as follows:
Phase I soak time: 0-10 days,
Soak the initial concentration of liquid caustic soda: 3-5%,
Soak temperature: 20-22 ℃;
Second stage soak time: 13-18 days,
Soak the initial concentration of liquid caustic soda: 1-3%,
Soak temperature: 22-25 ℃;
Phase III soak time: 19-35,
Soak the initial concentration of liquid caustic soda: 2-4%,
Soak temperature: 18-22 ℃.
2. heavy metal free technology lime-preserved egg processing method according to claim 1, it is characterized in that: the initial concentration and the feed temperature of the soak time of three phases, feed liquid alkali are as follows:
Phase I soak time: 0-10 days,
Soak the initial concentration of liquid caustic soda: 3.5-1.5%,
Soak temperature: 20.5-21.5 ℃;
Second stage soak time: 13-18 days,
Soak the initial concentration of liquid caustic soda: 1.5-2.5%,
Soak temperature: 23-24 ℃;
Phase III soak time: 19-35,
Soak the initial concentration of liquid caustic soda: 2.5-3.5%,
Soak temperature: 19-21 ℃.
3. heavy metal free technology lime-preserved egg processing method according to claim 1 is characterized in that: the preparation of feed liquid is that edible sheet alkali, tealeaves, quick lime and salt ratio and the boiling water in following parts by weight mixed:
Edible sheet alkali: 39-44 part,
Tealeaves: 8-12 part,
Quick lime: 70-80 part,
Salt: 16-22,
All the other are boiling water.
4. heavy metal free technology lime-preserved egg processing method according to claim 3 is characterized in that: the preparation of feed liquid is that edible sheet alkali, tealeaves, quick lime and salt ratio and the boiling water in following parts by weight mixed:
Edible sheet alkali: 41-42 part,
Tealeaves: 9-11 part,
Quick lime: 74-86 part,
Salt: 18-20,
All the other are boiling water.
5. heavy metal free technology lime-preserved egg processing method according to claim 1, it is characterized in that: the mixed proportion of raw material egg and feed liquid is:
The raw material egg: 10000 pieces, edible sheet alkali: 39-44kg, tealeaves: 8-12kg, quick lime: 70-80kg, salt: 16-22kg.
6. heavy metal free technology lime-preserved egg processing method according to claim 1, it is characterized in that: feed temperature is regulated with air-conditioning equipment and heater unit.
CN201010255039XA 2010-08-17 2010-08-17 Processing method of heavy metal-free process preserved eggs Pending CN101986884A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103141868A (en) * 2013-03-08 2013-06-12 南昌大学 Preserved egg salting solution and using method thereof
CN104705691A (en) * 2013-12-16 2015-06-17 福泉市保利食品有限公司 Preparation process of crystal preserved egg
CN111838628A (en) * 2020-07-17 2020-10-30 湖北伊念食品有限公司 Preserved egg pickling solution without adding lead, copper and zinc heavy metal compounds and process for producing preserved eggs by using pickling solution
CN112220000A (en) * 2020-10-28 2021-01-15 李绍勋 Preserved egg processing technology

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105241A (en) * 1986-08-08 1988-02-17 邢世增 The production method of unleaded no mud lime-preserved egg and technology
CN1052249A (en) * 1989-11-26 1991-06-19 罗光前 Processing powder for lead-free Golden preserved egg and manufacture method thereof
CN1656935A (en) * 2005-03-24 2005-08-24 叶明伟 Production method of convenient preserved egg
CN1810129A (en) * 2005-01-25 2006-08-02 夏正荣 Production process of lead-less preserved duck egg
CN101731660A (en) * 2010-02-08 2010-06-16 山东微山湖运河湖产品有限公司 Preparation method of preserved duck egg

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105241A (en) * 1986-08-08 1988-02-17 邢世增 The production method of unleaded no mud lime-preserved egg and technology
CN1052249A (en) * 1989-11-26 1991-06-19 罗光前 Processing powder for lead-free Golden preserved egg and manufacture method thereof
CN1810129A (en) * 2005-01-25 2006-08-02 夏正荣 Production process of lead-less preserved duck egg
CN1656935A (en) * 2005-03-24 2005-08-24 叶明伟 Production method of convenient preserved egg
CN101731660A (en) * 2010-02-08 2010-06-16 山东微山湖运河湖产品有限公司 Preparation method of preserved duck egg

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* Cited by examiner, † Cited by third party
Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103141868A (en) * 2013-03-08 2013-06-12 南昌大学 Preserved egg salting solution and using method thereof
CN103141868B (en) * 2013-03-08 2014-07-16 南昌大学 Preserved egg salting solution and using method thereof
CN104705691A (en) * 2013-12-16 2015-06-17 福泉市保利食品有限公司 Preparation process of crystal preserved egg
CN111838628A (en) * 2020-07-17 2020-10-30 湖北伊念食品有限公司 Preserved egg pickling solution without adding lead, copper and zinc heavy metal compounds and process for producing preserved eggs by using pickling solution
CN111838628B (en) * 2020-07-17 2022-11-08 湖北伊念食品有限公司 Preserved egg pickling solution without adding lead, copper and zinc heavy metal compounds and process for producing preserved eggs by using pickling solution
CN112220000A (en) * 2020-10-28 2021-01-15 李绍勋 Preserved egg processing technology

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Application publication date: 20110323