CN106577959A - Method for reducing loss rate during cooling mature of carcass beef - Google Patents

Method for reducing loss rate during cooling mature of carcass beef Download PDF

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Publication number
CN106577959A
CN106577959A CN201611120494.2A CN201611120494A CN106577959A CN 106577959 A CN106577959 A CN 106577959A CN 201611120494 A CN201611120494 A CN 201611120494A CN 106577959 A CN106577959 A CN 106577959A
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cooling
carcass
mature
beef
carcass beef
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CN201611120494.2A
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Inventor
谢鹏
张松山
孙宝忠
李海鹏
雷元华
王欢
刘璇
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Institute of Animal Science of CAAS
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Institute of Animal Science of CAAS
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    • AHUMAN NECESSITIES
    • A22BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22CPROCESSING MEAT, POULTRY, OR FISH
    • A22C17/00Other devices for processing meat or bones

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
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Abstract

The invention discloses a method for reducing a loss rate during cooling mature of carcass beef. The method comprises the following steps of placing cooled carcass beef in a high-sealed packing bag, inflating nitrogen gas or carbon dioxide gas into the high-sealed packing bag, and performing cooling mature, wherein the high-sealed packing bag is made from high-sealed composite membranes which are made of ethylene/vinyl alcohol copolymers and/or polyethene. According to the method disclosed by the invention, special bags made from the high-sealed composite membranes are used as packing bags of the carcass beef. The cooled carcass beef is loaded into the packing bags, and food-grade nitrogen gas or carbon dioxide gas is inflated into the packing bags, and then under conventional cooling mature conditions, the carcass beef achieves the mature state. According to the method disclosed by the invention, the weight-loss loss rate of the carcass beef can be notably reduced due to cooling. For example, when the carcass beef is treated, compared with a conventional method, if the method disclosed by the invention is used, the weight loss can be reduced to one second to one third or below.

Description

一种降低牛胴体冷却成熟损失率的方法A Method for Reducing the Loss Rate of Cattle Carcass Cooling and Maturing

技术领域technical field

本发明涉及一种降低牛胴体冷却成熟损失率的方法,属于冷鲜肉工领域。The invention relates to a method for reducing the loss rate of beef carcass cooling and maturation, and belongs to the field of chilled fresh meat industry.

背景技术Background technique

牛肉冷却成熟是指对屠宰后的肉牛胴体迅速进行冷却处理,使胴体温度在24小时内降为0~4℃,并在此温度范围内进行冷却成熟(一般采用72h~168h排酸,甚至更长时间)的过程。肉牛屠宰后经过冷却成熟可有效降低牛肉嫩度,提升风味。在发达国家的生鲜肉消费中,冷鲜肉已达90%。Beef cooling and maturation refers to the rapid cooling of beef cattle carcasses after slaughter, so that the carcass temperature will drop to 0-4°C within 24 hours, and cooling and maturation within this temperature range (generally 72h-168h deacidification, or even more long time) process. Cooling and maturation of beef cattle after slaughter can effectively reduce beef tenderness and enhance flavor. In the consumption of fresh meat in developed countries, chilled meat has reached 90%.

目前,按照冷却肉的工艺标准要求,冷却间的温度控制在0℃~4℃;相对湿度为85%~90%;风速0.6~1.2m/s。在此条件下,肉牛胴体裸露在外,由于长时间的水分蒸发会造成3%甚至更高的风干损失。因此需要提供一种降低牛胴体冷却成熟损失率的方法。At present, according to the process standard requirements for cooling meat, the temperature in the cooling room is controlled at 0°C-4°C; the relative humidity is 85%-90%; the wind speed is 0.6-1.2m/s. Under these conditions, the beef carcass is exposed, resulting in a drying loss of 3% or more due to long-term water evaporation. Therefore need to provide a kind of method that reduces the cooling maturation loss rate of cattle carcass.

发明内容Contents of the invention

本发明的目的是提供一种降低牛胴体冷却成熟损失率的方法,本发明方法能够显著降低现有冷却成熟方法造成的损失率。The purpose of the present invention is to provide a method for reducing the loss rate of cooling and maturation of beef carcasses, and the method of the invention can significantly reduce the loss rate caused by the existing cooling and maturation method.

本发明所提供的牛胴体冷却成熟损失率的方法,包括如下步骤:将经冷却后的所述牛胴体置于高阻隔包装袋中,向所述高阻隔包装袋中充入氮气或二氧化碳气体,进行冷却成熟即可。The method for cooling mature loss rate of beef carcass provided by the present invention comprises the following steps: placing the cooled beef carcass in a high-barrier packaging bag, filling nitrogen or carbon dioxide gas into the high-barrier packaging bag, Allow to cool and mature.

上述的方法中,所述氮气或二氧化碳气体均为食品级的。In the above method, the nitrogen or carbon dioxide gas is food grade.

上述的方法中,所述高阻隔包装袋由高阻隔复合膜制成。In the above method, the high barrier packaging bag is made of high barrier composite film.

上述的方法中,所述高阻隔复合膜的材质为乙烯/乙烯醇共聚物(EVOH)和/或聚乙烯(PE),即所述高阻隔复合膜为以EVOH和/或PE为材质的多层复合膜。In the above method, the material of the high-barrier composite film is ethylene/vinyl alcohol copolymer (EVOH) and/or polyethylene (PE), that is, the high-barrier composite film is made of EVOH and/or PE. layer composite film.

上述的方法中,所述高阻隔复合膜的氧气透过率可为6.60~7.82cc/m2/24hr,具体可为7.10cc/m2/24hr,,湿气透过率可为3.87~7.01g/m2/24hr,具体可为6.68g/m2/24hr。In the above method, the oxygen transmission rate of the high barrier composite film may be 6.60-7.82cc/m 2 /24hr, specifically 7.10cc/m 2 /24hr, and the moisture vapor transmission rate may be 3.87-7.01 g/m 2 /24hr, specifically 6.68g/m 2 /24hr.

上述的方法中,充入所述氮气或所述二氧化碳气体后,所述高阻隔包装袋内的压力可为0.11~0.13MPa。In the above method, after filling the nitrogen gas or the carbon dioxide gas, the pressure inside the high barrier packaging bag may be 0.11-0.13 MPa.

上述的方法中,所述“冷却”采用现有技术中常规的冷却步骤即可。In the above method, the "cooling" can adopt conventional cooling steps in the prior art.

上述的方法中,所述“冷却成熟”采用的现有技术中常规的冷却成熟工艺即可。In the above method, the "cooling ripening" adopts the conventional cooling ripening process in the prior art.

所述高阻隔包装袋在降低牛胴体冷却成熟损失率中的应用也属于本发明的保护范围。The application of the high-barrier packaging bag in reducing the loss rate of beef carcass cooling and maturation also belongs to the protection scope of the present invention.

本发明方法,采用高阻隔复合膜制成的专用袋,作为牛胴体的包装袋,将冷却后的牛胴体装入包装袋中后并充入是食品级的氮气或二氧化碳气体,然后在常规的冷却成熟条件下成熟即可。本发明方法能够显著降低冷却失重损失率,如处理牛胴体时,本发明方法比现有冷却方法降低失重2~3倍以上。The method of the present invention adopts a special bag made of a high-barrier composite film as a packaging bag for the beef carcass. After the cooled beef carcass is packed into the packaging bag, it is filled with food-grade nitrogen or carbon dioxide gas, and then in a conventional It can be matured under cooling and ripening conditions. The method of the invention can significantly reduce the loss rate of weight loss during cooling, for example, when treating a cattle carcass, the method of the invention can reduce the weight loss by more than 2 to 3 times compared with the existing cooling method.

具体实施方式detailed description

下述实施例中所使用的实验方法如无特殊说明,均为常规方法。The experimental methods used in the following examples are conventional methods unless otherwise specified.

下述实施例中所用的材料、试剂等,如无特殊说明,均可从商业途径得到。The materials and reagents used in the following examples can be obtained from commercial sources unless otherwise specified.

实施例1、牛肉的冷却成熟The cooling maturation of embodiment 1, beef

选取12头12月龄的健康西门塔尔杂交公牛,宰前禁食12h,停水2h,按照伊斯兰教屠宰要求进行宰杀。每头牛经电击、宰杀、放血、去头蹄和内脏、剥皮、劈半冲洗推入冷却间冷却24h。选取左侧胴体随机分为两组,称重。处理组牛胴体套上灭菌的高阻隔专用袋,充入食用级二氧化碳气体(袋内压力为0.12MPa),并扎紧袋口,推入冷却间成熟(温度0℃~4℃;相对湿度为85%~90%;风速0.6~1.2m/s),对照组按照常规方法冷却成熟,成熟时间均为7天。成熟结束后胴体称重,测定剪切力和菌落总数,结果分别如表1、表2和表3中所示。Twelve 12-month-old healthy Simmental hybrid bulls were selected, fasted for 12 hours and without water for 2 hours before slaughter, and slaughtered according to Islamic slaughter requirements. Each cow is electrocuted, slaughtered, bled, head, hoof and viscera removed, skinned, washed in half and pushed into a cooling room for 24 hours. The carcasses on the left side were randomly divided into two groups and weighed. The cattle carcasses of the treatment group were covered with a sterilized high-barrier special bag, filled with food-grade carbon dioxide gas (the pressure inside the bag was 0.12MPa), and the bag was tightly tied, and pushed into the cooling room for maturation (temperature 0°C-4°C; relative humidity 85%-90%; wind speed 0.6-1.2m/s), the control group was cooled and matured according to the conventional method, and the maturation time was 7 days. After maturation, the carcass was weighed, and the shear force and the total number of bacterial colonies were measured. The results are shown in Table 1, Table 2 and Table 3, respectively.

本实施例中采用的高阻隔专用袋由高阻隔复合膜制成,其中高阻隔复合膜为EVOH/PE的多层复合膜,其氧气透过率为7.10cc/m2/24hr,湿气透过率为6.68g/m2/24hr。The high-barrier special bag used in this example is made of a high-barrier composite film, wherein the high-barrier composite film is a multi-layer composite film of EVOH/PE, and its oxygen transmission rate is 7.10cc/ m2 /24hr, moisture vapor permeability The pass rate is 6.68g/m 2 /24hr.

表1不同处理对胴体失重率的影响(n=6)Table 1 Effects of different treatments on carcass weight loss rate (n=6)

注:连续不同小写字母表示差异显著(p<0.05),间隔小写字母表示差异极显著(p<0.01)。下同。Note: Continuous different lowercase letters indicate significant difference (p<0.05), and interval lowercase letters indicate extremely significant difference (p<0.01). The same below.

由表1中的数据可以看出,处理组的冷却失重损失极显著低于常规冷却方式(对照组)。As can be seen from the data in Table 1, the cooling weight loss of the treatment group is significantly lower than the conventional cooling method (control group).

表2不同处理对肉品质的影响(n=6)Table 2 Effects of different treatments on meat quality (n=6)

由表2中的数据可以看出,对照组和处理组的剪切力值和pH值差异均不显著,表明两种方法对肉品质影响无差异。It can be seen from the data in Table 2 that the shear force value and pH value of the control group and the treatment group were not significantly different, indicating that the two methods had no difference in the effect on meat quality.

表3不同处理对胴体菌落总数的影响(lgcfu/cm2)(n=6)Table 3 Effects of different treatments on the total number of carcass colonies (lgcfu/cm 2 ) (n=6)

由表3中的数据可以看出,对照组和处理组胴体菌落总数差异不显著。As can be seen from the data in Table 3, there was no significant difference in the total number of carcass colonies between the control group and the treatment group.

Claims (9)

1. a kind of method for reducing the ripe loss late of ox trunk cooling, comprises the steps:By the ox trunk after cooling In being placed in high-barrier packaging bag, nitrogen or carbon dioxide are filled with the high-barrier packaging bag, carry out cooling down maturation i.e. Can.
2. method according to claim 1, it is characterised in that:The high-barrier packaging bag is made up of high-barrier composite membrane.
3. method according to claim 2, it is characterised in that:The material of the high-barrier composite membrane is ethylene/vinyl alcohol Copolymer and/or polyethylene.
4. according to the method in claim 2 or 3, it is characterised in that:The OTR oxygen transmission rate of the high-barrier composite membrane is 6.60~7.82cc/m2/ 24hr, moisture transmission is 3.87~7.01g/m2/24hr。
5. the method according to any one of claim 1-4, it is characterised in that:It is filled with the nitrogen or the carbon dioxide After gas, the pressure in the high-barrier packaging bag is 0.11~0.13MPa.
6. application of the high-barrier packaging bag in the ripe loss late of ox trunk cooling is reduced.
7. application according to claim 6, it is characterised in that:The high-barrier packaging bag is made up of high-barrier composite membrane.
8. method according to claim 7, it is characterised in that:The material of the high-barrier composite membrane is ethylene/vinyl alcohol Copolymer and/or polyethylene.
9. the method according to claim 7 or 8, it is characterised in that:The OTR oxygen transmission rate of the high-barrier composite membrane is 6.60~7.82cc/m2/ 24hr, moisture transmission is 3.87~7.01g/m2/24hr。
CN201611120494.2A 2016-12-08 2016-12-08 Method for reducing loss rate during cooling mature of carcass beef Pending CN106577959A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110558492A (en) * 2019-08-30 2019-12-13 中国农业科学院北京畜牧兽医研究所 Method for reducing weight loss of beef cattle and yak carcasses in cooling maturity

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CN102615899A (en) * 2012-04-06 2012-08-01 湖南工业大学 Chilled meat antibacterial packaging film and novel packaging method
CN103004948A (en) * 2012-11-29 2013-04-03 苏州亚和保鲜科技有限公司 Modified atmosphere preservation method of duck carcass
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Publication number Priority date Publication date Assignee Title
US4594253A (en) * 1984-03-21 1986-06-10 Maurice Fradin Method for mincing and prepackaging minced meat under controlled atmosphere and temperature
CN1810502A (en) * 2005-01-28 2006-08-02 朱家牧 Low temperature high shrinkage and high obstruction membrane and its production process
CN1785757A (en) * 2005-11-16 2006-06-14 朱家牧 Shape memory low temperature high shrinking film and its preparation method
CN201105860Y (en) * 2007-11-20 2008-08-27 吉林省农业机械研究院 A new heat-shrinkable fresh-keeping bag film for fresh meat
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Publication number Priority date Publication date Assignee Title
CN110558492A (en) * 2019-08-30 2019-12-13 中国农业科学院北京畜牧兽医研究所 Method for reducing weight loss of beef cattle and yak carcasses in cooling maturity
CN110558492B (en) * 2019-08-30 2023-05-16 中国农业科学院北京畜牧兽医研究所 A method for reducing weight loss of beef cattle and yak carcasses during cooling and maturation

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Application publication date: 20170426