CN110367477A - Liquid eggs and its processing method - Google Patents

Liquid eggs and its processing method Download PDF

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Publication number
CN110367477A
CN110367477A CN201910609591.5A CN201910609591A CN110367477A CN 110367477 A CN110367477 A CN 110367477A CN 201910609591 A CN201910609591 A CN 201910609591A CN 110367477 A CN110367477 A CN 110367477A
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China
Prior art keywords
liquid
egg liquid
egg
processing method
pectin
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CN201910609591.5A
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Chinese (zh)
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CN110367477B (en
Inventor
佟平
叶钰
陈红兵
高金燕
武涌
杨安树
吴志华
李欣
袁娟丽
刘晓华
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Nanchang University
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Nanchang University
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Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B5/00Preservation of eggs or egg products
    • A23B5/08Preserving with chemicals
    • A23B5/10Preserving with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L15/00Egg products; Preparation or treatment thereof
    • A23L15/20Addition of proteins, e.g. hydrolysates, fats, carbohydrates, natural plant hydrocolloids; Addition of animal or vegetable substances containing proteins, fats, or carbohydrates
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/20Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
    • A23L29/206Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of vegetable origin
    • A23L29/231Pectin; Derivatives thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/20Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
    • A23L29/206Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of vegetable origin
    • A23L29/262Cellulose; Derivatives thereof, e.g. ethers
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

Abstract

The present invention provides a kind of liquid eggs and its processing method, and the processing method of liquid eggs takes its egg liquid the following steps are included: (1) takes fresh birds, beasts and eggs after decladding;(2) hydroxypropyl methyl cellulose and pectin are added into egg liquid, carries out homogeneous after mixing evenly, forms stable gluey mixing egg liquid;(3) pasteurized process is carried out to the mixing egg liquid that step (2) obtain;(4) it will be sealed after the container vacuum-pumping of the mixing egg liquid after pasteurized process in step (3), then advertise sterile nitrogen into mixing egg liquid;(5) the mixing egg liquid for obtaining step (4) is bottled, and sterile nitrogen is filled with into bottle, bottle mouth sealing saves at 0-4 DEG C.The liquid eggs not only long shelf-life, but also the functional characters such as emulsibility, viscosity, gelation for improving liquid eggs that processing method of the invention obtains.

Description

Liquid eggs and its processing method
Technical field
The present invention relates to food processing technology field, it is specifically related to a kind of liquid eggs and its processing method.
Background technique
Liquid eggs be by fresh birds, beasts and eggs after a series of working processes egg liquid product obtained, egg white solution, yolk can be divided into Liquid, egg pulp.Liquid eggs can effectively solve the problems, such as frangible shell egg, difficult transport and difficult storage, simultaneously because aseptic packaging is more It is safe and healthy, it is more convenient to use.Currently, liquid egg product is quite universal in the U.S., Europe and Japan and other countries, liquid Egg products processing capacity accounts for about the 30%-40% of its fresh egg total amount, however China, as the first big country of egg production, birds, beasts and eggs yield accounts for 45% or so of world's share, but the ratio of deep processing egg product only accounts for the 0.7%-1% of birds, beasts and eggs total amount.Significant problem is liquid The production of egg encounters some bottlenecks: first, the sterilization technology of liquid eggs, manufacturer generallys use pasteurization, but egg white Heat resistance is lower, is easy heated denaturalization, and sterilization intensity influences the functional character and nutritive value of egg white;Second, the guarantor of liquid eggs The matter phase is usually within one month, in addition the time loss of factory and transport, time of the liquid egg product on Sales Channel are not grown.
Summary of the invention
The first object of the present invention is to provide emulsibility, the viscosity, gel of a kind of extension liquid eggs shelf-life and raising liquid eggs Functional processing method such as hardness.
The second object of the present invention is to provide a kind of liquid eggs obtained by above-mentioned processing method.
In order to realize that the first above-mentioned purpose, the present invention provide a kind of processing method of liquid eggs, comprising the following steps: (1) Fresh birds, beasts and eggs are taken, its egg liquid is taken after decladding;(2) hydroxypropyl methyl cellulose and pectin are added into egg liquid, after mixing evenly Homogeneous is carried out, stable gluey mixing egg liquid is formed;(3) pasteurized process is carried out to the mixing egg liquid that step (2) obtain; (4) it will be sealed after the container vacuum-pumping of the mixing egg liquid after pasteurized process in step (3), then advertise nothing into mixing egg liquid Bacterium nitrogen;(5) the mixing egg liquid for obtaining step (4) is bottled, and sterile nitrogen is filled with into bottle, by bottle mouth sealing, at 0-4 DEG C It saves.
By above scheme as it can be seen that hydroxypropyl methyl cellulose is a kind of very strong polysaccharide of surface-active, can be dissolved in water and Partial solvent has good water-retaining property and stronger thickening capabilities, has preferable biocompatibility;Pectin, which is used as, to be had solely A kind of water-soluble polysaccharide of special bioactivity can play synergistic effect with hydroxypropyl methyl cellulose, improve the emulsification of liquid eggs The functional characters such as property, viscosity, gelation.Liquid eggs is filled by sterile nitrogen, greatly reduces the oxygen content in liquid eggs, The shelf-life of liquid eggs is effectively extended, liquid eggs of the invention can be with stored refrigerated 80 days to 85 days at 4 DEG C.
Further embodiment is, in step (2), the mass ratio of hydroxypropyl methyl cellulose and egg liquid be 0.4% to 0.8%, the mass ratio of pectin and egg liquid is 0.3% to 0.7%.
As it can be seen that a small amount of hydroxypropyl methyl cellulose and pectin, which is added, can reach the emulsibility for improving liquid eggs, viscosity, coagulate The purpose of the functional characters such as colloidality has effectively kept the original protein function characteristic of liquid eggs.
Preferably, the mass ratio of hydroxypropyl methyl cellulose and egg liquid is 0.4%, and the mass ratio of pectin and egg liquid is 0.5%.
Preferably, the mass ratio of hydroxypropyl methyl cellulose and egg liquid is 0.6%, and the mass ratio of pectin and egg liquid is 0.3%.
Preferably, hydroxypropyl methyl cellulose is in powdered.
Preferably, pectin is in powdered.
Further scheme is that pectin is low-ester pectin, and the esterification degree of pectin is 25%.
Further embodiment is that the egg liquid in step (1) is egg white solution, egg yolk liquid or egg pulp.
Further embodiment is, in step (5), after being filled with sterile nitrogen into bottle, the volumetric concentration of the nitrogen in bottle is not Lower than 98%.
In order to realize the second above-mentioned purpose, liquid eggs provided by the invention is obtained according to above-mentioned processing method.
Specific embodiment
The present invention will be described further by following embodiment.
Embodiment one
The processing method of the liquid eggs of the present embodiment the following steps are included:
(1) take fresh birds, beasts and eggs (egg is selected in the present embodiment, can also select in other implementations duck's egg, Goose egg, bird egg etc.), in 25 DEG C of warm water clean, then with 75% alcohol wipe twice, take its egg after drying rear decladding Liquid, with the impurity such as umbilical cord in aseptic nipper removal egg liquid, using high pressure homogenizer by egg liquid homogeneous, homogenizing time 20min, Homogeneous power is 28MPa, obtains uniform not stratified egg liquid.
(2) hydroxypropyl methyl cellulose and pectin are added into egg liquid, carries out homogeneous after mixing evenly, forms stable glue Shape mixes egg liquid.In the present embodiment, hydroxypropyl methyl cellulose and pectin are in powdered, i.e., hydroxypropyl methyl cellulose makes With hydroxypropyl methyl cellulose powder, pectin uses pectin powder, and pectin is low-ester pectin, esterification degree 25%, hydroxypropyl Ylmethyl cellulose and pectin are food-grade.The mass ratio of hydroxypropyl methyl cellulose and egg liquid is 0.4%, pectin and egg liquid Mass ratio be 0.5%.In other implementations, hydroxypropyl methyl cellulose and pectin can also be used hydroxypropyl methyl fine Tie up plain solution and pectin solution.
(3) pasteurized process is carried out to the mixing egg liquid that step (2) obtain, pasteurizing conditions are 58 DEG C of waters bath with thermostatic control 3min is heated, is then rapidly cooled to 4 DEG C.
(4) will be sealed after the container vacuum-pumping of the mixing egg liquid after pasteurized process in step (3), then to mixing egg liquid In advertise sterile nitrogen 20min so that appearance has been discharged full of a large amount of bubble (gas be nitrogen) in bubble in mixing egg liquid Oxygen in device and mixing egg liquid.
(5) the mixing egg liquid for obtaining step (4) is bottled, and sterile nitrogen is filled with into bottle, it is ensured that the body of the nitrogen in bottle Product concentration is not less than 98%, and bottle mouth sealing saves at 4 DEG C.
The liquid egg product obtained through this embodiment can be with stored refrigerated 81 days at 4 DEG C, and the emulsibility of liquid eggs can 0.852, viscosity can achieve 240mPas, gel hardness can achieve 210g to reach, the emulsification of liquid eggs during refrigeration Property, viscosity, gel hardness change rate within 2%.
Embodiment two
The processing method of the liquid eggs of the present embodiment the following steps are included:
(1) take fresh birds, beasts and eggs (egg is selected in the present embodiment, can also select in other implementations duck's egg, Goose egg, bird egg etc.), in 25 DEG C of warm water clean, then with 75% alcohol wipe twice, take its egg after drying rear decladding Liquid, with the impurity such as umbilical cord in aseptic nipper removal egg liquid, using high pressure homogenizer by egg liquid homogeneous, homogenizing time 20min, Homogeneous power is 28MPa, obtains uniform not stratified egg liquid.
(2) hydroxypropyl methyl cellulose and pectin are added into egg liquid, carries out homogeneous after mixing evenly, forms stable glue Shape mixes egg liquid.In the present embodiment, hydroxypropyl methyl cellulose and pectin are in powdered, i.e., hydroxypropyl methyl cellulose makes With hydroxypropyl methyl cellulose powder, pectin uses pectin powder, and pectin is low-ester pectin, esterification degree 25%, hydroxypropyl Ylmethyl cellulose and pectin are food-grade.The mass ratio of hydroxypropyl methyl cellulose and egg liquid is 0.6%, pectin and egg liquid Mass ratio be 0.3%.In other implementations, hydroxypropyl methyl cellulose and pectin can also be used hydroxypropyl methyl fine Tie up plain solution and pectin solution.
(3) pasteurized process is carried out to the mixing egg liquid that step (2) obtain, pasteurizing conditions are 58 DEG C of waters bath with thermostatic control 3min is heated, is then rapidly cooled to 4 DEG C.
(4) will be sealed after the container vacuum-pumping of the mixing egg liquid after pasteurized process in step (3), then to mixing egg liquid In advertise sterile nitrogen 30min so that appearance has been discharged full of a large amount of bubble (gas be nitrogen) in bubble in mixing egg liquid Oxygen in device and mixing egg liquid.
(5) the mixing egg liquid for obtaining step (4) is bottled, and sterile nitrogen is filled with into bottle, it is ensured that the body of the nitrogen in bottle Product concentration is not less than 98%, and bottle mouth sealing saves at 4 DEG C.
The liquid egg product obtained through this embodiment can be with stored refrigerated 84 days at 4 DEG C, and the emulsibility of liquid eggs can 0.860, viscosity can achieve 250mPas, gel hardness can achieve 220g to reach, the emulsification of liquid eggs during refrigeration Property, viscosity, gel hardness change rate within 2.5%.
In the present invention, the measurement method of emulsibility are as follows: the liquid eggs PBS buffer solution of Example one and embodiment two (0.01M, pH7.2) is diluted to 10% liquid eggs solution, in 3:1 ratio be added vegetable oil, with high speed disperser with 10000rpm homogeneous 2min takes the 50 μ L of bottom emulsion of homogeneous sample to be added in the SDS solution of 5mL 0.1% and obtains milkiness Liquid, using 0.1%SDS liquid as blank, 200ul emulsion is added in every hole in 96 hole elisa Plates, its suction is measured at 500nm wavelength Luminosity A1, emulsibility (EC)=A1*100%.
Finally it is emphasized that the above description is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is right For those skilled in the art, the present invention can have various change and change, all within the spirits and principles of the present invention, Any modification, equivalent substitution, improvement and etc. done, should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of processing method of liquid eggs, which comprises the following steps:
(1) fresh birds, beasts and eggs are taken, its egg liquid is taken after decladding;
(2) hydroxypropyl methyl cellulose and pectin are added in Xiang Suoshu egg liquid, carries out homogeneous after mixing evenly, forms stable glue Shape mixes egg liquid;
(3) pasteurized process is carried out to the mixing egg liquid that step (2) obtain;
(4) it will be sealed after the container vacuum-pumping of the mixing egg liquid after pasteurized process in step (3), then to the mixing egg liquid In advertise sterile nitrogen;
(5) the mixing egg liquid for obtaining step (4) is bottled, and sterile nitrogen is filled with into bottle, bottle mouth sealing is protected at 0-4 DEG C It deposits.
2. processing method according to claim 1, it is characterised in that:
In step (2), the mass ratio of the hydroxypropyl methyl cellulose and the egg liquid is 0.4% to 0.8%, the pectin with The mass ratio of the egg liquid is 0.3% to 0.7%.
3. processing method according to claim 2, it is characterised in that:
The mass ratio of the hydroxypropyl methyl cellulose and the egg liquid is 0.4%, the mass ratio of the pectin and the egg liquid It is 0.5%.
4. processing method according to claim 2, it is characterised in that:
The mass ratio of the hydroxypropyl methyl cellulose and the egg liquid is 0.6%, the mass ratio of the pectin and the egg liquid It is 0.3%.
5. processing method according to claim 1, it is characterised in that:
The hydroxypropyl methyl cellulose is in powdered.
6. processing method according to claim 1, it is characterised in that:
The pectin is in powdered.
7. processing method according to claim 6, it is characterised in that:
The pectin is low-ester pectin, and the esterification degree of the pectin is 25%.
8. processing method according to any one of claims 1 to 7, it is characterised in that:
Egg liquid in step (1) is egg white solution, egg yolk liquid or egg pulp.
9. processing method according to claim 8, it is characterised in that:
In step (5), after being filled with sterile nitrogen into bottle, the volumetric concentration of the nitrogen in bottle is not less than 98%.
10. liquid eggs, it is characterised in that:
According to any of claims 1 to 10, the processing method obtains the liquid eggs.
CN201910609591.5A 2019-07-08 2019-07-08 Liquid egg and processing method thereof Active CN110367477B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110074353A (en) * 2019-06-04 2019-08-02 吉林大学 A kind of preparation method of high grafting degree pectin egg white product

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CN109463428A (en) * 2018-10-11 2019-03-15 武汉轻工大学 A kind of extension egg clear liquid shelf-life improves its functional method simultaneously

Patent Citations (4)

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CN105995790A (en) * 2016-05-19 2016-10-12 江西农业大学 Nutritional egg-white jelly and production method thereof
CN108813424A (en) * 2018-07-13 2018-11-16 吉林大学 A kind of preparation method improving liquid eggs gelation
CN109463428A (en) * 2018-10-11 2019-03-15 武汉轻工大学 A kind of extension egg clear liquid shelf-life improves its functional method simultaneously

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110074353A (en) * 2019-06-04 2019-08-02 吉林大学 A kind of preparation method of high grafting degree pectin egg white product

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