CN107173424B - Ice temperature extends mutton color stability method - Google Patents

Ice temperature extends mutton color stability method Download PDF

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Publication number
CN107173424B
CN107173424B CN201710266619.0A CN201710266619A CN107173424B CN 107173424 B CN107173424 B CN 107173424B CN 201710266619 A CN201710266619 A CN 201710266619A CN 107173424 B CN107173424 B CN 107173424B
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mutton
ice temperature
color stability
sheep
temperature environment
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CN107173424A (en
Inventor
李欣
张德权
陈丽
张艳
李铮
侯成立
王振宇
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Institute of Food Science and Technology of CAAS
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Institute of Food Science and Technology of CAAS
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    • 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
    • A23B4/00General methods for preserving meat, sausages, fish or fish products
    • A23B4/06Freezing; Subsequent thawing; Cooling
    • 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
    • A23B4/00General methods for preserving meat, sausages, fish or fish products
    • A23B4/14Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
    • A23B4/16Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Abstract

The invention discloses a kind of ice temperature to extend mutton color stability method, comprising: Step 1: sheep rests before killing;Step 2: removing mutton from sheep and goat carcass after killing, and cooling processing is carried out to mutton;It is stored Step 3: mutton is placed under ice temperature environment, the storage time under ice temperature environment is not less than 2 days.Ice temperature of the present invention extends mutton color stability method and rests before sheep slaughter, cooling processing is carried out to mutton after government official, finally mutton is placed under ice temperature environment and is stored, and it has been determined that storage time of the mutton under ice temperature environment is not less than 2 days, to extend the color stability of mutton, the shelf life of mutton is extended, is provided convenience for production, transport, the sale of mutton, meat production, transport, sale enterprise economic benefit are significantly improved.

Description

Ice temperature extends mutton color stability method
Technical field
Processing technique field is butchered the invention belongs to fowl poultry kind more particularly to ice temperature extends mutton color stability method.
Background technique
Color and luster of meat is that consumer judges fresh meat freshness and acceptable most important index, is to determine consumer's purchase It is intended to most crucial factor.In storage, the color variation of cold fresh meat is the major reason of its reduced shelf-life, and consumer is often Yellowish pink variation is connected with putrid and deteriorated caused by microorganism growth, stockpiling of unsold product is caused since yellowish pink changes, to meat Product industry causes huge economic losses.
Color and luster of meat mainly by two aspect factors regulate and control, first is that in meat coloring matter content and state, second is that muscle groups Knit configuration state.Myoglobins is the key that yellowish pink coloring matter is determined in muscle, and there are the different chemical shapes of three kinds of colors State: de-oxygenated myoglobin (kermesinus), oxymyoglobin (cerise), metmyoglobin (brown).Myoglobins is different The content ratio of chemical state determines meat surface color.Under refrigerated condition, myoglobins generates high-speed rail because oxidation reaction occurs Myoglobins is the gradually brown stain of meat surface color;Under freezing conditions, the institutional framework of meat is destroyed because freezing, serious shadow Ring the color of solution frozen meat.
Summary of the invention
In view of the above technical problems, the present invention has designed and developed a kind of ice temperature extension mutton color stability method, makes to store Yellowish pink pool is more preferable during hiding, and storage period is longer.
Technical solution provided by the invention are as follows:
A kind of ice temperature extension mutton color stability method, comprising:
Step 1: sheep rests before killing;
Step 2: removing mutton from sheep and goat carcass after killing, and cooling processing is carried out to mutton;
It is stored Step 3: mutton is placed under ice temperature environment, the storage time under ice temperature environment is not less than 2 days.
Preferably, the ice temperature extends in mutton color stability method, in the step 2, from sheep and goat carcass after government official Mutton is removed, using vacuum packaging, cooling processing is carried out to mutton.
Preferably, the ice temperature extends in mutton color stability method, the oxygen transmission rate of the vacuum packaging material For 40cm3/(m2·24h·atm)。
Preferably, the ice temperature extends in mutton color stability method, in the step 3, under ice temperature environment In storage, use oxygen transmission rate for 10600cm3/ (m224hatm), rate of perviousness are 68.5g/ (m2Packing timber for 24 hours) Material packaging.
Preferably, the ice temperature extends in mutton color stability method, in the step 2, the cooling processing To be realized on ice by the way that mutton to be placed in.
Preferably, the ice temperature extends in mutton color stability method, and in the step 2, mutton is on ice Temperature fall time is not less than 2h.
Preferably, the ice temperature extends in mutton color stability method, will in 2.5h after government official in the step 3 Mutton is placed under ice temperature environment and stores.
Preferably, the ice temperature extends in mutton color stability method, in the step 2, carries out to mutton After cooling processing, the surface fascia and subcutaneous fat of mutton are also rejected.
Preferably, the ice temperature extends in mutton color stability method, in the step 2, is rejecting mutton After surface fascia and subcutaneous fat, mutton is divided into meat piece.
Ice temperature of the present invention extends mutton color stability method and rests before sheep slaughter, to mutton after government official Cooling processing is carried out, finally mutton is placed under ice temperature environment and is stored, and storage time of the mutton under ice temperature environment has been determined It is production, the transport, pin of mutton to extend mutton color stability, to extend the shelf life of mutton not less than 2 days It sells and provides convenience, significantly improve meat production, transport, sale enterprise economic benefit.
Detailed description of the invention
Fig. 1 is mutton pH trend chart in comparative example one and embodiment one;
Fig. 2 is mutton oxymyoglobin relative amount trend chart in comparative example one and embodiment one;
Fig. 3 is mutton color stability value trend chart in comparative example one and embodiment one;
Fig. 4 is mutton high ferro myohemoglobin reductase activity change tendency chart in comparative example one and embodiment one;
Fig. 5 is mutton red scale value comparing result figure in embodiment one and embodiment two;
Fig. 6 is mutton red scale value comparing result figure in embodiment one and embodiment three;
Fig. 7 is mutton red scale value comparing result figure in comparative example one and embodiment one;
Fig. 8 is mutton total plate count comparing result figure in comparative example one and embodiment one.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text Word can be implemented accordingly.
The present invention provides a kind of ice temperature extension mutton color stability method, comprising:
Step 1: sheep rests before killing;
Step 2: removing mutton from sheep and goat carcass after killing, and cooling processing is carried out to mutton;
It is stored Step 3: mutton is placed under ice temperature environment, the storage time under ice temperature environment is not less than 2 days.
Ice temperature refers to the chill point (0 DEG C) lower than water and is higher than the temperature region of meat chill point.The ice of most of food Temperature area is between -0.5 DEG C~-2.8 DEG C, and for different food products because the type of its raw material is different with composition, freezing point temperature is different.Storage Food its physiological metabolism under the conditions of ice temperature is in extremely low level, and quality is bad caused by capable of effectively slowing down because of oxidation reaction Become, extends fresh food storage period, while avoiding nutrition loss caused by chilled storage.
Specifically, the mode of resting can mix group for jejunitas, water supply, nothing, and the time of resting is 1h.Answering for sheep can be eliminated by resting Swash reaction, plays the purpose for improving color stability.
Cooling processing is to avoid mutton that oxygen is occurring from being removed on trunk into storing in this period in ice temperature environment Change, is rotten, meat is caused to be deteriorated, color stability reduces.
In a preferred embodiment, the ice temperature extends in mutton color stability method, in the step 2, Mutton is removed from sheep and goat carcass after government official, using vacuum packaging, cooling processing is carried out to mutton.Vacuum packaging can reduce mutton surface Coloring matter is reacted with the oxygen in air, can further improve color stability.
In a preferred embodiment, the ice temperature extends in mutton color stability method, the vacuum packaging The oxygen transmission rate of material is 40cm3/(m2·24h·atm).Vacuum packaging material i.e. low using oxygen transmission rate, avoids mutton surface colour Plain substance touches air, reacts with the oxygen in air, influences color stability.
In a preferred embodiment, the ice temperature extends in mutton color stability method, in the step 3, Under ice temperature environment in storage, use oxygen transmission rate for 10600cm3/(m2Atm for 24 hours), rate of perviousness is 68.5g/ (m2· Packaging material packaging for 24 hours).Use the packaging material that oxygen transmission rate is high and permeability rate is low, under ice temperature environment, mutton surface colour Oxidation reaction appropriate occurs for plain substance and oxygen, to generate myoglobins appropriate, to keep yellowish pink long under ice temperature environment Time keeps scarlet color.
In a preferred embodiment, the ice temperature extends in mutton color stability method, in the step 2, The cooling processing is to be realized on ice by the way that mutton to be placed in.Mutton is placed on ice, can achieve as mutton fast cooling Purpose, is further reduced mutton surface coloring matter and oxidation reaction occurs for oxygen.
In a preferred embodiment, the ice temperature extends in mutton color stability method, in the step 2, The temperature fall time of mutton on ice is not less than 2h, reaches the temperature requirement of Icetemperature Storage.
In a preferred embodiment, the ice temperature extends in mutton color stability method, in the step 3, Mutton is placed under ice temperature environment in 2.5h after government official and is stored, meeting Icetemperature Storage needs mutton to carry out fast cooling before storage It is required that while prevent mutton surface coloring matter and oxygen from oxidation reaction occurs, influence color stability and storage period.
In a preferred embodiment, the ice temperature extends in mutton color stability method, in the step 2, After carrying out cooling processing to mutton, the surface fascia and subcutaneous fat of mutton are also rejected, contacts musculature sufficiently with oxygen, Generate lasting fresh colour.
In a preferred embodiment, the ice temperature extends in mutton color stability method, in the step 2, After the surface fascia and subcutaneous fat for rejecting mutton, mutton is divided into meat piece.
Comparative example one presented below, embodiment one to embodiment three, to enable those skilled in the art to understand the present invention Technical solution.
Comparative example one
1) sheep pre-slaughter rest 1h with eliminate stress, sheep and goat carcass two sides longissimus dorsi muscle is removed after government official in 0.5h, using vacuum packet Dress is placed on ice;
2) surface fascia and subcutaneous fat are rejected, 2cm chump is divided into perpendicular to muscle fibre direction, uses oxygen transmission rate The material high, permeability rate is low wraps up meat piece;
3) meat piece is put under cold storage environment (4 DEG C) in 2.5h after killing and is stored, periodically sampling carries out index determining.
Embodiment one
1) sheep pre-slaughter rest 1h with eliminate stress, sheep and goat carcass two sides longissimus dorsi muscle is removed after government official in 0.5h, using vacuum packet Dress is placed on ice;
2) surface fascia and subcutaneous fat are rejected, 2cm chump is divided into perpendicular to muscle fibre direction, uses oxygen transmission rate The material high, permeability rate is low wraps up meat piece;
3) meat piece is stored at (- 1.3 ± 0.5 DEG C) of ice temperature environment in 2.5h after government official, periodically sampling carries out index determining.
Embodiment two
1) sheep pre-slaughter rest 1h with eliminate stress, remove sheep and goat carcass two sides longissimus dorsi muscle after government official in 0.5h, no packaging is exposed It is placed on ice in air;
2) surface fascia and subcutaneous fat are rejected, 2cm chump is divided into perpendicular to muscle fibre direction, uses oxygen transmission rate The material high, permeability rate is low wraps up meat piece;
3) meat piece is stored under ice temperature environment (- 1.3 DEG C ± 0.5) in 2.5h after government official, periodically sampling carries out index survey It is fixed.
Embodiment three
1) sheep pre-slaughter rest 1h with eliminate stress, sheep and goat carcass two sides longissimus dorsi muscle is removed after government official in 0.5h, using vacuum packet Dress is placed on ice;
2) surface fascia and subcutaneous fat are rejected, is divided into 2cm chump perpendicular to muscle fibre direction, no packaging is exposed to In air;
3) meat piece is stored at (- 1.3 DEG C ± 0.5 DEG C) of ice temperature environment in 2.5h after government official, periodically sampling carries out index survey It is fixed.
PH value, oxymyoglobin relative amount, yellowish pink is carried out to the sample of above-mentioned comparative example one and embodiment one to stablize Property value, the active measurement of high ferro myohemoglobin reductase.Yellowish pink redness is carried out to the sample of above-described embodiment one to embodiment three The measurement of value.Attached drawing 1 into attached drawing 4, same time point mark * indicate between refrigeration and ice temperature group result difference it is significant (P < 0.05).In attached Figures 5 and 6, same time point mark * indicates red scale value significant difference (P < 0.05) between two embodiments.Attached drawing 7 In 8, same time point mark * indicates that result difference is significant (P < 0.05) between refrigeration and ice temperature group.
The pH of living animal is neutral (pH value is 7 or so), and since oxygen supply interrupts after butchering, metabolism is changed to nothing in vivo Oxygen glycolysis, product are lactic acid, gradually decrease the pH of muscle, until the pH value that reaches capacity.High ph-values in a certain range after government official Be conducive to color stability.PH value variation tendency is shown in attached drawing 1 during mutton storage in comparative example one and embodiment one, from Fig. 1 In as can be seen that the mutton that the mutton of ice temperature storage is significantly higher than refrigerated storage in comparative example one for 4-8 days the in embodiment one.
Myoglobins is the key that yellowish pink coloring matter is determined in muscle, there are the different chemical state of three kinds of colors, Wherein oxymyoglobin is in cerise, and content is to determine the key factor of yellowish pink appearance.In comparative example one and embodiment one Mutton oxymyoglobin changes of contents trend is shown in attached drawing 2, it can be seen from the figure that the oxymyoglobin of ice temperature storage mutton The mutton that content is significantly higher than refrigerated storage for 2-10 days.The color of ice temperature storage mutton is significant at the 10th day in embodiment one Better than refrigerated storage mutton in comparative example one.
Color stability value (R630/580) is ratio of the muscle in different wave length absorbance, is reaction color stability Important indicator, numerical value is higher to show that color stability is higher.The Color stability value of mutton in comparative example one and embodiment one Variation tendency is shown in attached drawing 3, it can be seen from the figure that the Color stability value of ice temperature storage mutton be significantly higher than within 2-10 days the it is cold Hide the mutton of storage.
A kind of chemical state of myoglobins is metmyoglobin, and brown is presented, and is yellowish pink deterioration in storage process Main cause.There are high ferro myohemoglobin reductases in muscle, under certain condition can be by generated metmyoglobin Reduction is conducive to maintain color stability.High ferro myohemoglobin reductase activity is higher, and the color stability of muscle is higher.It is right The high ferro myohemoglobin reductase activity change trend of mutton is shown in attached drawing 4 in ratio one and embodiment one, it can be seen from the figure that The high ferro myohemoglobin reductase activity of ice temperature storage mutton is significantly higher than cold in comparative example one for 4-10 days the in embodiment one Hide the mutton of storage.
Red scale value is to embody the yellowish pink most important index of quality, and red scale value height illustrates that meat shows that presentation consumer is favorite fresh It is red.With the extension of storage time, myoglobins oxidation generates the metmyoglobin of brown in meat, keeps yellowish pink generation bad Become, red scale value reduces.Mutton red scale value comparing result is shown in attached drawing 5 in embodiment one and embodiment two, it can be seen from the figure that real It applies in example one and ice in embodiment two to be significantly higher than for 2-10 days in storage the using vacuum-packed mutton red scale value before Icetemperature Storage The red scale value of mutton in air is exposed to before temperature storage without packaging.
Mutton red scale value comparing result is shown in attached drawing 6 in embodiment one and embodiment three, it can be seen from the figure that embodiment one The red scale value for the material package mutton that middle Icetemperature Storage process is high using oxygen transmission rate, permeability rate is low is significantly high at storage the 2-10 days Icetemperature Storage process is exposed to the red scale value of mutton in air without packaging in embodiment three.
Mutton red scale value comparing result is shown in attached drawing 7,20 days red degree of mutton of Icetemperature Storage in comparative example one and embodiment one Value is 11.2, close with the mutton red scale value of refrigeration 10 days, in consumer's tolerance interval.
Mutton total plate count comparing result is shown in attached drawing 8 in comparative example one and embodiment one, it can be seen that, Icetemperature Storage 20 days The total plate count of mutton is 5.4, meets fresh mutton quality requirements.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details and legend shown and described herein.

Claims (4)

1. a kind of ice temperature extends mutton color stability method characterized by comprising
Step 1: sheep rests before killing;
Step 2: removing mutton from sheep and goat carcass after killing, and cooling processing is carried out to mutton;
It is stored Step 3: mutton is placed under ice temperature environment, the storage time under ice temperature environment is not less than 2 days;
In the step 2, mutton is removed from sheep and goat carcass after government official, using vacuum packaging, cooling processing is carried out to mutton;It is described true The oxygen transmission rate of empty package material is 40cm3/(m2·24h·atm);In the step 2, cooling processing is by by mutton It is placed in and realizes on ice;In the step 2, the temperature fall time of mutton on ice is not less than 2h;
In the step 3, under ice temperature environment in storage, use oxygen transmission rate for 10600cm3/(m2Atm for 24 hours), thoroughly Wet rate is 68.5g/ (m2Packaging material packaging for 24 hours).
2. ice temperature as described in claim 1 extends mutton color stability method, which is characterized in that in the step 3, kill Mutton is placed under ice temperature environment in 2.5h afterwards and is stored.
3. ice temperature as described in claim 1 extends mutton color stability method, which is characterized in that in the step 2, After carrying out cooling processing to mutton, the surface fascia and subcutaneous fat of mutton are also rejected.
4. ice temperature as described in claim 1 extends mutton color stability method, which is characterized in that in the step 2, After the surface fascia and subcutaneous fat of rejecting mutton, mutton is divided into meat piece.
CN201710266619.0A 2017-04-21 2017-04-21 Ice temperature extends mutton color stability method Active CN107173424B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101658198A (en) * 2009-09-11 2010-03-03 昆明高上高农业科技发展有限责任公司 Method of air-conditioning color protection of meat color of chilled meat
CN102090442A (en) * 2009-12-14 2011-06-15 李文忠 Comprehensive preservation technology for mutton
CN102113536A (en) * 2010-12-06 2011-07-06 湖南颐丰食品有限公司 Method for processing iced fresh pork cuts
CN102870861A (en) * 2011-07-11 2013-01-16 应关雄 Air-regulating antistaling agent for packed sliced meat
CN104719428A (en) * 2015-02-14 2015-06-24 中国农业科学院农产品加工研究所 Mutton maturation control technology
CN106305965A (en) * 2016-08-17 2017-01-11 天津商业大学 Partial freezing and controlled atmosphere preservation method for mutton

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101658198A (en) * 2009-09-11 2010-03-03 昆明高上高农业科技发展有限责任公司 Method of air-conditioning color protection of meat color of chilled meat
CN102090442A (en) * 2009-12-14 2011-06-15 李文忠 Comprehensive preservation technology for mutton
CN102113536A (en) * 2010-12-06 2011-07-06 湖南颐丰食品有限公司 Method for processing iced fresh pork cuts
CN102870861A (en) * 2011-07-11 2013-01-16 应关雄 Air-regulating antistaling agent for packed sliced meat
CN104719428A (en) * 2015-02-14 2015-06-24 中国农业科学院农产品加工研究所 Mutton maturation control technology
CN106305965A (en) * 2016-08-17 2017-01-11 天津商业大学 Partial freezing and controlled atmosphere preservation method for mutton

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